Show More
@@ -1,3396 +1,3397 b'' | |||||
1 | # -*- coding: iso-8859-1 -*- |
|
1 | # -*- coding: iso-8859-1 -*- | |
2 |
|
2 | |||
3 | """ |
|
3 | """ | |
4 | ``ipipe`` provides classes to be used in an interactive Python session. Doing a |
|
4 | ``ipipe`` provides classes to be used in an interactive Python session. Doing a | |
5 | ``from ipipe import *`` is the preferred way to do this. The name of all |
|
5 | ``from ipipe import *`` is the preferred way to do this. The name of all | |
6 | objects imported this way starts with ``i`` to minimize collisions. |
|
6 | objects imported this way starts with ``i`` to minimize collisions. | |
7 |
|
7 | |||
8 | ``ipipe`` supports "pipeline expressions", which is something resembling Unix |
|
8 | ``ipipe`` supports "pipeline expressions", which is something resembling Unix | |
9 | pipes. An example is: |
|
9 | pipes. An example is: | |
10 |
|
10 | |||
11 | >>> ienv | isort("key.lower()") |
|
11 | >>> ienv | isort("key.lower()") | |
12 |
|
12 | |||
13 | This gives a listing of all environment variables sorted by name. |
|
13 | This gives a listing of all environment variables sorted by name. | |
14 |
|
14 | |||
15 |
|
15 | |||
16 | There are three types of objects in a pipeline expression: |
|
16 | There are three types of objects in a pipeline expression: | |
17 |
|
17 | |||
18 | * ``Table``s: These objects produce items. Examples are ``ls`` (listing the |
|
18 | * ``Table``s: These objects produce items. Examples are ``ls`` (listing the | |
19 | current directory, ``ienv`` (listing environment variables), ``ipwd`` (listing |
|
19 | current directory, ``ienv`` (listing environment variables), ``ipwd`` (listing | |
20 | user account) and ``igrp`` (listing user groups). A ``Table`` must be the |
|
20 | user account) and ``igrp`` (listing user groups). A ``Table`` must be the | |
21 | first object in a pipe expression. |
|
21 | first object in a pipe expression. | |
22 |
|
22 | |||
23 | * ``Pipe``s: These objects sit in the middle of a pipe expression. They |
|
23 | * ``Pipe``s: These objects sit in the middle of a pipe expression. They | |
24 | transform the input in some way (e.g. filtering or sorting it). Examples are: |
|
24 | transform the input in some way (e.g. filtering or sorting it). Examples are: | |
25 | ``ifilter`` (which filters the input pipe), ``isort`` (which sorts the input |
|
25 | ``ifilter`` (which filters the input pipe), ``isort`` (which sorts the input | |
26 | pipe) and ``ieval`` (which evaluates a function or expression for each object |
|
26 | pipe) and ``ieval`` (which evaluates a function or expression for each object | |
27 | in the input pipe). |
|
27 | in the input pipe). | |
28 |
|
28 | |||
29 | * ``Display``s: These objects can be put as the last object in a pipeline |
|
29 | * ``Display``s: These objects can be put as the last object in a pipeline | |
30 | expression. There are responsible for displaying the result of the pipeline |
|
30 | expression. There are responsible for displaying the result of the pipeline | |
31 | expression. If a pipeline expression doesn't end in a display object a default |
|
31 | expression. If a pipeline expression doesn't end in a display object a default | |
32 | display objects will be used. One example is ``browse`` which is a ``curses`` |
|
32 | display objects will be used. One example is ``browse`` which is a ``curses`` | |
33 | based browser. |
|
33 | based browser. | |
34 |
|
34 | |||
35 |
|
35 | |||
36 | Adding support for pipeline expressions to your own objects can be done through |
|
36 | Adding support for pipeline expressions to your own objects can be done through | |
37 | three extensions points (all of them optional): |
|
37 | three extensions points (all of them optional): | |
38 |
|
38 | |||
39 | * An object that will be displayed as a row by a ``Display`` object should |
|
39 | * An object that will be displayed as a row by a ``Display`` object should | |
40 | implement the method ``__xattrs__(self, mode)``. This method must return a |
|
40 | implement the method ``__xattrs__(self, mode)``. This method must return a | |
41 | sequence of attribute names. This sequence may also contain integers, which |
|
41 | sequence of attribute names. This sequence may also contain integers, which | |
42 | will be treated as sequence indizes. Also supported is ``None``, which uses |
|
42 | will be treated as sequence indizes. Also supported is ``None``, which uses | |
43 | the object itself and callables which will be called with the object as the |
|
43 | the object itself and callables which will be called with the object as the | |
44 | an argument. If ``__xattrs__()`` isn't implemented ``(None,)`` will be used as |
|
44 | an argument. If ``__xattrs__()`` isn't implemented ``(None,)`` will be used as | |
45 | the attribute sequence (i.e. the object itself (it's ``repr()`` format) will |
|
45 | the attribute sequence (i.e. the object itself (it's ``repr()`` format) will | |
46 | be being displayed. The global function ``xattrs()`` implements this |
|
46 | be being displayed. The global function ``xattrs()`` implements this | |
47 | functionality. |
|
47 | functionality. | |
48 |
|
48 | |||
49 | * When an object ``foo`` is displayed in the header, footer or table cell of the |
|
49 | * When an object ``foo`` is displayed in the header, footer or table cell of the | |
50 | browser ``foo.__xrepr__(mode)`` is called. Mode can be ``"header"`` or |
|
50 | browser ``foo.__xrepr__(mode)`` is called. Mode can be ``"header"`` or | |
51 | ``"footer"`` for the header or footer line and ``"cell"`` for a table cell. |
|
51 | ``"footer"`` for the header or footer line and ``"cell"`` for a table cell. | |
52 | ``__xrepr__()```must return an iterable (e.g. by being a generator) which |
|
52 | ``__xrepr__()```must return an iterable (e.g. by being a generator) which | |
53 | produces the following items: The first item should be a tuple containing |
|
53 | produces the following items: The first item should be a tuple containing | |
54 | the alignment (-1 left aligned, 0 centered and 1 right aligned) and whether |
|
54 | the alignment (-1 left aligned, 0 centered and 1 right aligned) and whether | |
55 | the complete output must be displayed or if the browser is allowed to stop |
|
55 | the complete output must be displayed or if the browser is allowed to stop | |
56 | output after enough text has been produced (e.g. a syntax highlighted text |
|
56 | output after enough text has been produced (e.g. a syntax highlighted text | |
57 | line would use ``True``, but for a large data structure (i.e. a nested list, |
|
57 | line would use ``True``, but for a large data structure (i.e. a nested list, | |
58 | tuple or dictionary) ``False`` would be used). The other output ``__xrepr__()`` |
|
58 | tuple or dictionary) ``False`` would be used). The other output ``__xrepr__()`` | |
59 | may produce is tuples of ``Style```objects and text (which contain the text |
|
59 | may produce is tuples of ``Style```objects and text (which contain the text | |
60 | representation of the object). If ``__xrepr__()`` recursively outputs a data |
|
60 | representation of the object). If ``__xrepr__()`` recursively outputs a data | |
61 | structure the function ``xrepr(object, mode)`` can be used and ``"default"`` |
|
61 | structure the function ``xrepr(object, mode)`` can be used and ``"default"`` | |
62 | must be passed as the mode in these calls. This in turn calls the |
|
62 | must be passed as the mode in these calls. This in turn calls the | |
63 | ``__xrepr__()`` method on ``object`` (or uses ``repr(object)`` as the string |
|
63 | ``__xrepr__()`` method on ``object`` (or uses ``repr(object)`` as the string | |
64 | representation if ``__xrepr__()`` doesn't exist. |
|
64 | representation if ``__xrepr__()`` doesn't exist. | |
65 |
|
65 | |||
66 | * Objects that can be iterated by ``Pipe``s must implement the method |
|
66 | * Objects that can be iterated by ``Pipe``s must implement the method | |
67 | ``__xiter__(self, mode)``. ``mode`` can take the following values: |
|
67 | ``__xiter__(self, mode)``. ``mode`` can take the following values: | |
68 |
|
68 | |||
69 | - ``"default"``: This is the default value and ist always used by pipeline |
|
69 | - ``"default"``: This is the default value and ist always used by pipeline | |
70 | expressions. Other values are only used in the browser. |
|
70 | expressions. Other values are only used in the browser. | |
71 | - ``None``: This value is passed by the browser. The object must return an |
|
71 | - ``None``: This value is passed by the browser. The object must return an | |
72 | iterable of ``XMode`` objects describing all modes supported by the object. |
|
72 | iterable of ``XMode`` objects describing all modes supported by the object. | |
73 | (This should never include ``"default"`` or ``None``). |
|
73 | (This should never include ``"default"`` or ``None``). | |
74 | - Any other value that the object supports. |
|
74 | - Any other value that the object supports. | |
75 |
|
75 | |||
76 | The global function ``xiter()`` can be called to get such an iterator. If |
|
76 | The global function ``xiter()`` can be called to get such an iterator. If | |
77 | the method ``_xiter__`` isn't implemented, ``xiter()`` falls back to |
|
77 | the method ``_xiter__`` isn't implemented, ``xiter()`` falls back to | |
78 | ``__iter__``. In addition to that, dictionaries and modules receive special |
|
78 | ``__iter__``. In addition to that, dictionaries and modules receive special | |
79 | treatment (returning an iterator over ``(key, value)`` pairs). This makes it |
|
79 | treatment (returning an iterator over ``(key, value)`` pairs). This makes it | |
80 | possible to use dictionaries and modules in pipeline expressions, for example: |
|
80 | possible to use dictionaries and modules in pipeline expressions, for example: | |
81 |
|
81 | |||
82 | >>> import sys |
|
82 | >>> import sys | |
83 | >>> sys | ifilter("isinstance(value, int)") | idump |
|
83 | >>> sys | ifilter("isinstance(value, int)") | idump | |
84 | key |value |
|
84 | key |value | |
85 | api_version| 1012 |
|
85 | api_version| 1012 | |
86 | dllhandle | 503316480 |
|
86 | dllhandle | 503316480 | |
87 | hexversion | 33817328 |
|
87 | hexversion | 33817328 | |
88 | maxint |2147483647 |
|
88 | maxint |2147483647 | |
89 | maxunicode | 65535 |
|
89 | maxunicode | 65535 | |
90 | >>> sys.modules | ifilter("_.value is not None") | isort("_.key.lower()") |
|
90 | >>> sys.modules | ifilter("_.value is not None") | isort("_.key.lower()") | |
91 | ... |
|
91 | ... | |
92 |
|
92 | |||
93 | Note: The expression strings passed to ``ifilter()`` and ``isort()`` can |
|
93 | Note: The expression strings passed to ``ifilter()`` and ``isort()`` can | |
94 | refer to the object to be filtered or sorted via the variable ``_`` and to any |
|
94 | refer to the object to be filtered or sorted via the variable ``_`` and to any | |
95 | of the attributes of the object, i.e.: |
|
95 | of the attributes of the object, i.e.: | |
96 |
|
96 | |||
97 | >>> sys.modules | ifilter("_.value is not None") | isort("_.key.lower()") |
|
97 | >>> sys.modules | ifilter("_.value is not None") | isort("_.key.lower()") | |
98 |
|
98 | |||
99 | does the same as |
|
99 | does the same as | |
100 |
|
100 | |||
101 | >>> sys.modules | ifilter("value is not None") | isort("key.lower()") |
|
101 | >>> sys.modules | ifilter("value is not None") | isort("key.lower()") | |
102 |
|
102 | |||
103 | In addition to expression strings, it's possible to pass callables (taking |
|
103 | In addition to expression strings, it's possible to pass callables (taking | |
104 | the object as an argument) to ``ifilter()``, ``isort()`` and ``ieval()``: |
|
104 | the object as an argument) to ``ifilter()``, ``isort()`` and ``ieval()``: | |
105 |
|
105 | |||
106 | >>> sys | ifilter(lambda _:isinstance(_.value, int)) \ |
|
106 | >>> sys | ifilter(lambda _:isinstance(_.value, int)) \ | |
107 | ... | ieval(lambda _: (_.key, hex(_.value))) | idump |
|
107 | ... | ieval(lambda _: (_.key, hex(_.value))) | idump | |
108 | 0 |1 |
|
108 | 0 |1 | |
109 | api_version|0x3f4 |
|
109 | api_version|0x3f4 | |
110 | dllhandle |0x1e000000 |
|
110 | dllhandle |0x1e000000 | |
111 | hexversion |0x20402f0 |
|
111 | hexversion |0x20402f0 | |
112 | maxint |0x7fffffff |
|
112 | maxint |0x7fffffff | |
113 | maxunicode |0xffff |
|
113 | maxunicode |0xffff | |
114 | """ |
|
114 | """ | |
115 |
|
115 | |||
116 | import sys, os, os.path, stat, glob, new, csv, datetime, types |
|
116 | import sys, os, os.path, stat, glob, new, csv, datetime, types | |
117 | import textwrap, itertools, mimetypes |
|
117 | import textwrap, itertools, mimetypes | |
118 |
|
118 | |||
119 | try: # Python 2.3 compatibility |
|
119 | try: # Python 2.3 compatibility | |
120 | import collections |
|
120 | import collections | |
121 | except ImportError: |
|
121 | except ImportError: | |
122 | deque = list |
|
122 | deque = list | |
123 | else: |
|
123 | else: | |
124 | deque = collections.deque |
|
124 | deque = collections.deque | |
125 |
|
125 | |||
126 | try: # Python 2.3 compatibility |
|
126 | try: # Python 2.3 compatibility | |
127 | set |
|
127 | set | |
128 | except NameError: |
|
128 | except NameError: | |
129 | import sets |
|
129 | import sets | |
130 | set = sets.Set |
|
130 | set = sets.Set | |
131 |
|
131 | |||
132 | try: # Python 2.3 compatibility |
|
132 | try: # Python 2.3 compatibility | |
133 | sorted |
|
133 | sorted | |
134 | except NameError: |
|
134 | except NameError: | |
135 | def sorted(iterator, key=None, reverse=False): |
|
135 | def sorted(iterator, key=None, reverse=False): | |
136 | items = list(iterator) |
|
136 | items = list(iterator) | |
137 | if key is not None: |
|
137 | if key is not None: | |
138 | items.sort(lambda i1, i2: cmp(key(i1), key(i2))) |
|
138 | items.sort(lambda i1, i2: cmp(key(i1), key(i2))) | |
139 | else: |
|
139 | else: | |
140 | items.sort() |
|
140 | items.sort() | |
141 | if reverse: |
|
141 | if reverse: | |
142 | items.reverse() |
|
142 | items.reverse() | |
143 | return items |
|
143 | return items | |
144 |
|
144 | |||
145 | try: |
|
145 | try: | |
146 | import pwd |
|
146 | import pwd | |
147 | except ImportError: |
|
147 | except ImportError: | |
148 | pwd = None |
|
148 | pwd = None | |
149 |
|
149 | |||
150 | try: |
|
150 | try: | |
151 | import grp |
|
151 | import grp | |
152 | except ImportError: |
|
152 | except ImportError: | |
153 | grp = None |
|
153 | grp = None | |
154 |
|
154 | |||
155 | try: |
|
155 | try: | |
156 | import curses |
|
156 | import curses | |
157 | except ImportError: |
|
157 | except ImportError: | |
158 | curses = None |
|
158 | curses = None | |
159 |
|
159 | |||
160 | import path |
|
160 | import path | |
161 | try: |
|
161 | try: | |
162 | from IPython import genutils |
|
162 | from IPython import genutils | |
163 | except ImportError: |
|
163 | except ImportError: | |
164 | pass |
|
164 | pass | |
165 |
|
165 | |||
166 |
|
166 | |||
167 | __all__ = [ |
|
167 | __all__ = [ | |
168 | "ifile", "ils", "iglob", "iwalk", "ipwdentry", "ipwd", "igrpentry", "igrp", |
|
168 | "ifile", "ils", "iglob", "iwalk", "ipwdentry", "ipwd", "igrpentry", "igrp", | |
169 | "icsv", "ix", "ichain", "isort", "ifilter", "ieval", "ienum", "ienv", |
|
169 | "icsv", "ix", "ichain", "isort", "ifilter", "ieval", "ienum", "ienv", | |
170 | "idump", "iless" |
|
170 | "idump", "iless" | |
171 | ] |
|
171 | ] | |
172 |
|
172 | |||
173 |
|
173 | |||
174 | os.stat_float_times(True) # enable microseconds |
|
174 | os.stat_float_times(True) # enable microseconds | |
175 |
|
175 | |||
176 |
|
176 | |||
177 | class _AttrNamespace(object): |
|
177 | class _AttrNamespace(object): | |
178 | """ |
|
178 | """ | |
179 | Internal helper class that is used for providing a namespace for evaluating |
|
179 | Internal helper class that is used for providing a namespace for evaluating | |
180 | expressions containg attribute names of an object. |
|
180 | expressions containg attribute names of an object. | |
181 | """ |
|
181 | """ | |
182 | def __init__(self, wrapped): |
|
182 | def __init__(self, wrapped): | |
183 | self.wrapped = wrapped |
|
183 | self.wrapped = wrapped | |
184 |
|
184 | |||
185 | def __getitem__(self, name): |
|
185 | def __getitem__(self, name): | |
186 | if name == "_": |
|
186 | if name == "_": | |
187 | return self.wrapped |
|
187 | return self.wrapped | |
188 | try: |
|
188 | try: | |
189 | return getattr(self.wrapped, name) |
|
189 | return getattr(self.wrapped, name) | |
190 | except AttributeError: |
|
190 | except AttributeError: | |
191 | raise KeyError(name) |
|
191 | raise KeyError(name) | |
192 |
|
192 | |||
193 | # Python 2.3 compatibility |
|
193 | # Python 2.3 compatibility | |
194 | # use eval workaround to find out which names are used in the |
|
194 | # use eval workaround to find out which names are used in the | |
195 | # eval string and put them into the locals. This works for most |
|
195 | # eval string and put them into the locals. This works for most | |
196 | # normal uses case, bizarre ones like accessing the locals() |
|
196 | # normal uses case, bizarre ones like accessing the locals() | |
197 | # will fail |
|
197 | # will fail | |
198 | try: |
|
198 | try: | |
199 | eval("_", None, _AttrNamespace(None)) |
|
199 | eval("_", None, _AttrNamespace(None)) | |
200 | except TypeError: |
|
200 | except TypeError: | |
201 | real_eval = eval |
|
201 | real_eval = eval | |
202 | def eval(codestring, _globals, _locals): |
|
202 | def eval(codestring, _globals, _locals): | |
203 | """ |
|
203 | """ | |
204 | eval(source[, globals[, locals]]) -> value |
|
204 | eval(source[, globals[, locals]]) -> value | |
205 |
|
205 | |||
206 | Evaluate the source in the context of globals and locals. |
|
206 | Evaluate the source in the context of globals and locals. | |
207 | The source may be a string representing a Python expression |
|
207 | The source may be a string representing a Python expression | |
208 | or a code object as returned by compile(). |
|
208 | or a code object as returned by compile(). | |
209 | The globals must be a dictionary and locals can be any mappping. |
|
209 | The globals must be a dictionary and locals can be any mappping. | |
210 |
|
210 | |||
211 | This function is a workaround for the shortcomings of |
|
211 | This function is a workaround for the shortcomings of | |
212 | Python 2.3's eval. |
|
212 | Python 2.3's eval. | |
213 | """ |
|
213 | """ | |
214 |
|
214 | |||
215 | code = compile(codestring, "_eval", "eval") |
|
215 | code = compile(codestring, "_eval", "eval") | |
216 | newlocals = {} |
|
216 | newlocals = {} | |
217 | for name in code.co_names: |
|
217 | for name in code.co_names: | |
218 | try: |
|
218 | try: | |
219 | newlocals[name] = _locals[name] |
|
219 | newlocals[name] = _locals[name] | |
220 | except KeyError: |
|
220 | except KeyError: | |
221 | pass |
|
221 | pass | |
222 | return real_eval(code, _globals, newlocals) |
|
222 | return real_eval(code, _globals, newlocals) | |
223 |
|
223 | |||
224 |
|
224 | |||
225 | _default = object() |
|
225 | _default = object() | |
226 |
|
226 | |||
227 | def item(iterator, index, default=_default): |
|
227 | def item(iterator, index, default=_default): | |
228 | """ |
|
228 | """ | |
229 | Return the ``index``th item from the iterator ``iterator``. |
|
229 | Return the ``index``th item from the iterator ``iterator``. | |
230 | ``index`` must be an integer (negative integers are relative to the |
|
230 | ``index`` must be an integer (negative integers are relative to the | |
231 | end (i.e. the last item produced by the iterator)). |
|
231 | end (i.e. the last item produced by the iterator)). | |
232 |
|
232 | |||
233 | If ``default`` is given, this will be the default value when |
|
233 | If ``default`` is given, this will be the default value when | |
234 | the iterator doesn't contain an item at this position. Otherwise an |
|
234 | the iterator doesn't contain an item at this position. Otherwise an | |
235 | ``IndexError`` will be raised. |
|
235 | ``IndexError`` will be raised. | |
236 |
|
236 | |||
237 | Note that using this function will partially or totally exhaust the |
|
237 | Note that using this function will partially or totally exhaust the | |
238 | iterator. |
|
238 | iterator. | |
239 | """ |
|
239 | """ | |
240 | i = index |
|
240 | i = index | |
241 | if i>=0: |
|
241 | if i>=0: | |
242 | for item in iterator: |
|
242 | for item in iterator: | |
243 | if not i: |
|
243 | if not i: | |
244 | return item |
|
244 | return item | |
245 | i -= 1 |
|
245 | i -= 1 | |
246 | else: |
|
246 | else: | |
247 | i = -index |
|
247 | i = -index | |
248 | cache = deque() |
|
248 | cache = deque() | |
249 | for item in iterator: |
|
249 | for item in iterator: | |
250 | cache.append(item) |
|
250 | cache.append(item) | |
251 | if len(cache)>i: |
|
251 | if len(cache)>i: | |
252 | cache.popleft() |
|
252 | cache.popleft() | |
253 | if len(cache)==i: |
|
253 | if len(cache)==i: | |
254 | return cache.popleft() |
|
254 | return cache.popleft() | |
255 | if default is _default: |
|
255 | if default is _default: | |
256 | raise IndexError(index) |
|
256 | raise IndexError(index) | |
257 | else: |
|
257 | else: | |
258 | return default |
|
258 | return default | |
259 |
|
259 | |||
260 |
|
260 | |||
261 | class Table(object): |
|
261 | class Table(object): | |
262 | """ |
|
262 | """ | |
263 | A ``Table`` is an object that produces items (just like a normal Python |
|
263 | A ``Table`` is an object that produces items (just like a normal Python | |
264 | iterator/generator does) and can be used as the first object in a pipeline |
|
264 | iterator/generator does) and can be used as the first object in a pipeline | |
265 | expression. The displayhook will open the default browser for such an object |
|
265 | expression. The displayhook will open the default browser for such an object | |
266 | (instead of simply printing the ``repr()`` result). |
|
266 | (instead of simply printing the ``repr()`` result). | |
267 | """ |
|
267 | """ | |
268 |
|
268 | |||
269 | # We want to support ``foo`` and ``foo()`` in pipeline expression: |
|
269 | # We want to support ``foo`` and ``foo()`` in pipeline expression: | |
270 | # So we implement the required operators (``|`` and ``+``) in the metaclass, |
|
270 | # So we implement the required operators (``|`` and ``+``) in the metaclass, | |
271 | # instantiate the class and forward the operator to the instance |
|
271 | # instantiate the class and forward the operator to the instance | |
272 | class __metaclass__(type): |
|
272 | class __metaclass__(type): | |
273 | def __iter__(self): |
|
273 | def __iter__(self): | |
274 | return iter(self()) |
|
274 | return iter(self()) | |
275 |
|
275 | |||
276 | def __or__(self, other): |
|
276 | def __or__(self, other): | |
277 | return self() | other |
|
277 | return self() | other | |
278 |
|
278 | |||
279 | def __add__(self, other): |
|
279 | def __add__(self, other): | |
280 | return self() + other |
|
280 | return self() + other | |
281 |
|
281 | |||
282 | def __radd__(self, other): |
|
282 | def __radd__(self, other): | |
283 | return other + self() |
|
283 | return other + self() | |
284 |
|
284 | |||
285 | def __getitem__(self, index): |
|
285 | def __getitem__(self, index): | |
286 | return self()[index] |
|
286 | return self()[index] | |
287 |
|
287 | |||
288 | def __getitem__(self, index): |
|
288 | def __getitem__(self, index): | |
289 | return item(self, index) |
|
289 | return item(self, index) | |
290 |
|
290 | |||
291 | def __contains__(self, item): |
|
291 | def __contains__(self, item): | |
292 | for haveitem in self: |
|
292 | for haveitem in self: | |
293 | if item == haveitem: |
|
293 | if item == haveitem: | |
294 | return True |
|
294 | return True | |
295 | return False |
|
295 | return False | |
296 |
|
296 | |||
297 | def __or__(self, other): |
|
297 | def __or__(self, other): | |
298 | # autoinstantiate right hand side |
|
298 | # autoinstantiate right hand side | |
299 | if isinstance(other, type) and issubclass(other, (Table, Display)): |
|
299 | if isinstance(other, type) and issubclass(other, (Table, Display)): | |
300 | other = other() |
|
300 | other = other() | |
301 | # treat simple strings and functions as ``ieval`` instances |
|
301 | # treat simple strings and functions as ``ieval`` instances | |
302 | elif not isinstance(other, Display) and not isinstance(other, Table): |
|
302 | elif not isinstance(other, Display) and not isinstance(other, Table): | |
303 | other = ieval(other) |
|
303 | other = ieval(other) | |
304 | # forward operations to the right hand side |
|
304 | # forward operations to the right hand side | |
305 | return other.__ror__(self) |
|
305 | return other.__ror__(self) | |
306 |
|
306 | |||
307 | def __add__(self, other): |
|
307 | def __add__(self, other): | |
308 | # autoinstantiate right hand side |
|
308 | # autoinstantiate right hand side | |
309 | if isinstance(other, type) and issubclass(other, Table): |
|
309 | if isinstance(other, type) and issubclass(other, Table): | |
310 | other = other() |
|
310 | other = other() | |
311 | return ichain(self, other) |
|
311 | return ichain(self, other) | |
312 |
|
312 | |||
313 | def __radd__(self, other): |
|
313 | def __radd__(self, other): | |
314 | # autoinstantiate left hand side |
|
314 | # autoinstantiate left hand side | |
315 | if isinstance(other, type) and issubclass(other, Table): |
|
315 | if isinstance(other, type) and issubclass(other, Table): | |
316 | other = other() |
|
316 | other = other() | |
317 | return ichain(other, self) |
|
317 | return ichain(other, self) | |
318 |
|
318 | |||
319 | def __iter__(self): |
|
319 | def __iter__(self): | |
320 | return xiter(self, "default") |
|
320 | return xiter(self, "default") | |
321 |
|
321 | |||
322 |
|
322 | |||
323 | class Pipe(Table): |
|
323 | class Pipe(Table): | |
324 | """ |
|
324 | """ | |
325 | A ``Pipe`` is an object that can be used in a pipeline expression. It |
|
325 | A ``Pipe`` is an object that can be used in a pipeline expression. It | |
326 | processes the objects it gets from its input ``Table``/``Pipe``. Note that |
|
326 | processes the objects it gets from its input ``Table``/``Pipe``. Note that | |
327 | a ``Pipe`` object can't be used as the first object in a pipeline |
|
327 | a ``Pipe`` object can't be used as the first object in a pipeline | |
328 | expression, as it doesn't produces items itself. |
|
328 | expression, as it doesn't produces items itself. | |
329 | """ |
|
329 | """ | |
330 | class __metaclass__(Table.__metaclass__): |
|
330 | class __metaclass__(Table.__metaclass__): | |
331 | def __ror__(self, input): |
|
331 | def __ror__(self, input): | |
332 | return input | self() |
|
332 | return input | self() | |
333 |
|
333 | |||
334 | def __ror__(self, input): |
|
334 | def __ror__(self, input): | |
335 | # autoinstantiate left hand side |
|
335 | # autoinstantiate left hand side | |
336 | if isinstance(input, type) and issubclass(input, Table): |
|
336 | if isinstance(input, type) and issubclass(input, Table): | |
337 | input = input() |
|
337 | input = input() | |
338 | self.input = input |
|
338 | self.input = input | |
339 | return self |
|
339 | return self | |
340 |
|
340 | |||
341 |
|
341 | |||
342 | def _getattr(obj, name, default=_default): |
|
342 | def _getattr(obj, name, default=_default): | |
343 | """ |
|
343 | """ | |
344 | Internal helper for getting an attribute of an item. If ``name`` is ``None`` |
|
344 | Internal helper for getting an attribute of an item. If ``name`` is ``None`` | |
345 | return the object itself. If ``name`` is an integer, use ``__getitem__`` |
|
345 | return the object itself. If ``name`` is an integer, use ``__getitem__`` | |
346 | instead. If the attribute or item does not exist, return ``default``. |
|
346 | instead. If the attribute or item does not exist, return ``default``. | |
347 | """ |
|
347 | """ | |
348 | if name is None: |
|
348 | if name is None: | |
349 | return obj |
|
349 | return obj | |
350 | elif isinstance(name, basestring): |
|
350 | elif isinstance(name, basestring): | |
351 | if name.endswith("()"): |
|
351 | if name.endswith("()"): | |
352 | return getattr(obj, name[:-2], default)() |
|
352 | return getattr(obj, name[:-2], default)() | |
353 | else: |
|
353 | else: | |
354 | return getattr(obj, name, default) |
|
354 | return getattr(obj, name, default) | |
355 | elif callable(name): |
|
355 | elif callable(name): | |
356 | try: |
|
356 | try: | |
357 | return name(obj) |
|
357 | return name(obj) | |
358 | except AttributeError: |
|
358 | except AttributeError: | |
359 | return default |
|
359 | return default | |
360 | else: |
|
360 | else: | |
361 | try: |
|
361 | try: | |
362 | return obj[name] |
|
362 | return obj[name] | |
363 | except IndexError: |
|
363 | except IndexError: | |
364 | return default |
|
364 | return default | |
365 |
|
365 | |||
366 |
|
366 | |||
367 | def _attrname(name): |
|
367 | def _attrname(name): | |
368 | """ |
|
368 | """ | |
369 | Internal helper that gives a proper name for the attribute ``name`` |
|
369 | Internal helper that gives a proper name for the attribute ``name`` | |
370 | (which might be ``None`` or an ``int``). |
|
370 | (which might be ``None`` or an ``int``). | |
371 | """ |
|
371 | """ | |
372 | if name is None: |
|
372 | if name is None: | |
373 | return "_" |
|
373 | return "_" | |
374 | elif isinstance(name, basestring): |
|
374 | elif isinstance(name, basestring): | |
375 | return name |
|
375 | return name | |
376 | elif callable(name): |
|
376 | elif callable(name): | |
377 | return name.__name__ |
|
377 | return name.__name__ | |
378 | else: |
|
378 | else: | |
379 | return str(name) |
|
379 | return str(name) | |
380 |
|
380 | |||
381 |
|
381 | |||
382 | COLOR_BLACK = 0 |
|
382 | COLOR_BLACK = 0 | |
383 | COLOR_RED = 1 |
|
383 | COLOR_RED = 1 | |
384 | COLOR_GREEN = 2 |
|
384 | COLOR_GREEN = 2 | |
385 | COLOR_YELLOW = 3 |
|
385 | COLOR_YELLOW = 3 | |
386 | COLOR_BLUE = 4 |
|
386 | COLOR_BLUE = 4 | |
387 | COLOR_MAGENTA = 5 |
|
387 | COLOR_MAGENTA = 5 | |
388 | COLOR_CYAN = 6 |
|
388 | COLOR_CYAN = 6 | |
389 | COLOR_WHITE = 7 |
|
389 | COLOR_WHITE = 7 | |
390 |
|
390 | |||
391 | A_BLINK = 1<<0 # Blinking text |
|
391 | A_BLINK = 1<<0 # Blinking text | |
392 | A_BOLD = 1<<1 # Extra bright or bold text |
|
392 | A_BOLD = 1<<1 # Extra bright or bold text | |
393 | A_DIM = 1<<2 # Half bright text |
|
393 | A_DIM = 1<<2 # Half bright text | |
394 | A_REVERSE = 1<<3 # Reverse-video text |
|
394 | A_REVERSE = 1<<3 # Reverse-video text | |
395 | A_STANDOUT = 1<<4 # The best highlighting mode available |
|
395 | A_STANDOUT = 1<<4 # The best highlighting mode available | |
396 | A_UNDERLINE = 1<<5 # Underlined text |
|
396 | A_UNDERLINE = 1<<5 # Underlined text | |
397 |
|
397 | |||
398 |
|
398 | |||
399 | class Style(object): |
|
399 | class Style(object): | |
400 | """ |
|
400 | """ | |
401 | Store foreground color, background color and attribute (bold, underlined |
|
401 | Store foreground color, background color and attribute (bold, underlined | |
402 | etc.). |
|
402 | etc.). | |
403 | """ |
|
403 | """ | |
404 | __slots__ = ("fg", "bg", "attrs") |
|
404 | __slots__ = ("fg", "bg", "attrs") | |
405 |
|
405 | |||
406 | COLORNAMES = { |
|
406 | COLORNAMES = { | |
407 | "black": COLOR_BLACK, |
|
407 | "black": COLOR_BLACK, | |
408 | "red": COLOR_RED, |
|
408 | "red": COLOR_RED, | |
409 | "green": COLOR_GREEN, |
|
409 | "green": COLOR_GREEN, | |
410 | "yellow": COLOR_YELLOW, |
|
410 | "yellow": COLOR_YELLOW, | |
411 | "blue": COLOR_BLUE, |
|
411 | "blue": COLOR_BLUE, | |
412 | "magenta": COLOR_MAGENTA, |
|
412 | "magenta": COLOR_MAGENTA, | |
413 | "cyan": COLOR_CYAN, |
|
413 | "cyan": COLOR_CYAN, | |
414 | "white": COLOR_WHITE, |
|
414 | "white": COLOR_WHITE, | |
415 | } |
|
415 | } | |
416 | ATTRNAMES = { |
|
416 | ATTRNAMES = { | |
417 | "blink": A_BLINK, |
|
417 | "blink": A_BLINK, | |
418 | "bold": A_BOLD, |
|
418 | "bold": A_BOLD, | |
419 | "dim": A_DIM, |
|
419 | "dim": A_DIM, | |
420 | "reverse": A_REVERSE, |
|
420 | "reverse": A_REVERSE, | |
421 | "standout": A_STANDOUT, |
|
421 | "standout": A_STANDOUT, | |
422 | "underline": A_UNDERLINE, |
|
422 | "underline": A_UNDERLINE, | |
423 | } |
|
423 | } | |
424 |
|
424 | |||
425 | def __init__(self, fg, bg, attrs=0): |
|
425 | def __init__(self, fg, bg, attrs=0): | |
426 | self.fg = fg |
|
426 | self.fg = fg | |
427 | self.bg = bg |
|
427 | self.bg = bg | |
428 | self.attrs = attrs |
|
428 | self.attrs = attrs | |
429 |
|
429 | |||
430 | def __call__(self, *args): |
|
430 | def __call__(self, *args): | |
431 | text = Text() |
|
431 | text = Text() | |
432 | for arg in args: |
|
432 | for arg in args: | |
433 | if isinstance(arg, Text): |
|
433 | if isinstance(arg, Text): | |
434 | text.extend(arg) |
|
434 | text.extend(arg) | |
435 | else: |
|
435 | else: | |
436 | text.append((self, arg)) |
|
436 | text.append((self, arg)) | |
437 | return text |
|
437 | return text | |
438 |
|
438 | |||
439 | def __eq__(self, other): |
|
439 | def __eq__(self, other): | |
440 | return self.fg == other.fg and self.bg == other.bg and self.attrs == other.attrs |
|
440 | return self.fg == other.fg and self.bg == other.bg and self.attrs == other.attrs | |
441 |
|
441 | |||
442 | def __neq__(self, other): |
|
442 | def __neq__(self, other): | |
443 | return self.fg != other.fg or self.bg != other.bg or self.attrs != other.attrs |
|
443 | return self.fg != other.fg or self.bg != other.bg or self.attrs != other.attrs | |
444 |
|
444 | |||
445 | def __repr__(self): |
|
445 | def __repr__(self): | |
446 | color2name = ("black", "red", "green", "yellow", "blue", "magenta", "cyan", "white") |
|
446 | color2name = ("black", "red", "green", "yellow", "blue", "magenta", "cyan", "white") | |
447 | attrs2name = ("blink", "bold", "dim", "reverse", "standout", "underline") |
|
447 | attrs2name = ("blink", "bold", "dim", "reverse", "standout", "underline") | |
448 |
|
448 | |||
449 | return "<%s fg=%s bg=%s attrs=%s>" % ( |
|
449 | return "<%s fg=%s bg=%s attrs=%s>" % ( | |
450 | self.__class__.__name__, color2name[self.fg], color2name[self.bg], |
|
450 | self.__class__.__name__, color2name[self.fg], color2name[self.bg], | |
451 | "|".join(attrs2name[b] for b in xrange(6) if self.attrs&(1<<b)) or 0) |
|
451 | "|".join(attrs2name[b] for b in xrange(6) if self.attrs&(1<<b)) or 0) | |
452 |
|
452 | |||
453 | def fromstr(cls, value): |
|
453 | def fromstr(cls, value): | |
454 | """ |
|
454 | """ | |
455 | Create a ``Style`` object from a string. The format looks like this: |
|
455 | Create a ``Style`` object from a string. The format looks like this: | |
456 | ``"red:black:bold|blink"``. |
|
456 | ``"red:black:bold|blink"``. | |
457 | """ |
|
457 | """ | |
458 | # defaults |
|
458 | # defaults | |
459 | fg = COLOR_WHITE |
|
459 | fg = COLOR_WHITE | |
460 | bg = COLOR_BLACK |
|
460 | bg = COLOR_BLACK | |
461 | attrs = 0 |
|
461 | attrs = 0 | |
462 |
|
462 | |||
463 | parts = value.split(":") |
|
463 | parts = value.split(":") | |
464 | if len(parts) > 0: |
|
464 | if len(parts) > 0: | |
465 | fg = cls.COLORNAMES[parts[0].lower()] |
|
465 | fg = cls.COLORNAMES[parts[0].lower()] | |
466 | if len(parts) > 1: |
|
466 | if len(parts) > 1: | |
467 | bg = cls.COLORNAMES[parts[1].lower()] |
|
467 | bg = cls.COLORNAMES[parts[1].lower()] | |
468 | if len(parts) > 2: |
|
468 | if len(parts) > 2: | |
469 | for strattr in parts[2].split("|"): |
|
469 | for strattr in parts[2].split("|"): | |
470 | attrs |= cls.ATTRNAMES[strattr.lower()] |
|
470 | attrs |= cls.ATTRNAMES[strattr.lower()] | |
471 | return cls(fg, bg, attrs) |
|
471 | return cls(fg, bg, attrs) | |
472 | fromstr = classmethod(fromstr) |
|
472 | fromstr = classmethod(fromstr) | |
473 |
|
473 | |||
474 | def fromenv(cls, name, default): |
|
474 | def fromenv(cls, name, default): | |
475 | """ |
|
475 | """ | |
476 | Create a ``Style`` from an environment variable named ``name`` |
|
476 | Create a ``Style`` from an environment variable named ``name`` | |
477 | (using ``default`` if the environment variable doesn't exist). |
|
477 | (using ``default`` if the environment variable doesn't exist). | |
478 | """ |
|
478 | """ | |
479 | return cls.fromstr(os.environ.get(name, default)) |
|
479 | return cls.fromstr(os.environ.get(name, default)) | |
480 | fromenv = classmethod(fromenv) |
|
480 | fromenv = classmethod(fromenv) | |
481 |
|
481 | |||
482 |
|
482 | |||
483 | def switchstyle(s1, s2): |
|
483 | def switchstyle(s1, s2): | |
484 | """ |
|
484 | """ | |
485 | Return the ANSI escape sequence needed to switch from style ``s1`` to |
|
485 | Return the ANSI escape sequence needed to switch from style ``s1`` to | |
486 | style ``s2``. |
|
486 | style ``s2``. | |
487 | """ |
|
487 | """ | |
488 | attrmask = (A_BLINK|A_BOLD|A_UNDERLINE|A_REVERSE) |
|
488 | attrmask = (A_BLINK|A_BOLD|A_UNDERLINE|A_REVERSE) | |
489 | a1 = s1.attrs & attrmask |
|
489 | a1 = s1.attrs & attrmask | |
490 | a2 = s2.attrs & attrmask |
|
490 | a2 = s2.attrs & attrmask | |
491 |
|
491 | |||
492 | args = [] |
|
492 | args = [] | |
493 | if s1 != s2: |
|
493 | if s1 != s2: | |
494 | # do we have to get rid of the bold/underline/blink bit? |
|
494 | # do we have to get rid of the bold/underline/blink bit? | |
495 | # (can only be done by a reset) |
|
495 | # (can only be done by a reset) | |
496 | # use reset when our target color is the default color |
|
496 | # use reset when our target color is the default color | |
497 | # (this is shorter than 37;40) |
|
497 | # (this is shorter than 37;40) | |
498 | if (a1 & ~a2 or s2==style_default): |
|
498 | if (a1 & ~a2 or s2==style_default): | |
499 | args.append("0") |
|
499 | args.append("0") | |
500 | s1 = style_default |
|
500 | s1 = style_default | |
501 | a1 = 0 |
|
501 | a1 = 0 | |
502 |
|
502 | |||
503 | # now we know that old and new color have the same boldness, |
|
503 | # now we know that old and new color have the same boldness, | |
504 | # or the new color is bold and the old isn't, |
|
504 | # or the new color is bold and the old isn't, | |
505 | # i.e. we only might have to switch bold on, not off |
|
505 | # i.e. we only might have to switch bold on, not off | |
506 | if not (a1 & A_BOLD) and (a2 & A_BOLD): |
|
506 | if not (a1 & A_BOLD) and (a2 & A_BOLD): | |
507 | args.append("1") |
|
507 | args.append("1") | |
508 |
|
508 | |||
509 | # Fix underline |
|
509 | # Fix underline | |
510 | if not (a1 & A_UNDERLINE) and (a2 & A_UNDERLINE): |
|
510 | if not (a1 & A_UNDERLINE) and (a2 & A_UNDERLINE): | |
511 | args.append("4") |
|
511 | args.append("4") | |
512 |
|
512 | |||
513 | # Fix blink |
|
513 | # Fix blink | |
514 | if not (a1 & A_BLINK) and (a2 & A_BLINK): |
|
514 | if not (a1 & A_BLINK) and (a2 & A_BLINK): | |
515 | args.append("5") |
|
515 | args.append("5") | |
516 |
|
516 | |||
517 | # Fix reverse |
|
517 | # Fix reverse | |
518 | if not (a1 & A_REVERSE) and (a2 & A_REVERSE): |
|
518 | if not (a1 & A_REVERSE) and (a2 & A_REVERSE): | |
519 | args.append("7") |
|
519 | args.append("7") | |
520 |
|
520 | |||
521 | # Fix foreground color |
|
521 | # Fix foreground color | |
522 | if s1.fg != s2.fg: |
|
522 | if s1.fg != s2.fg: | |
523 | args.append("3%d" % s2.fg) |
|
523 | args.append("3%d" % s2.fg) | |
524 |
|
524 | |||
525 | # Finally fix the background color |
|
525 | # Finally fix the background color | |
526 | if s1.bg != s2.bg: |
|
526 | if s1.bg != s2.bg: | |
527 | args.append("4%d" % s2.bg) |
|
527 | args.append("4%d" % s2.bg) | |
528 |
|
528 | |||
529 | if args: |
|
529 | if args: | |
530 | return "\033[%sm" % ";".join(args) |
|
530 | return "\033[%sm" % ";".join(args) | |
531 | return "" |
|
531 | return "" | |
532 |
|
532 | |||
533 |
|
533 | |||
534 | class Text(list): |
|
534 | class Text(list): | |
535 | """ |
|
535 | """ | |
536 | A colored string. A ``Text`` object is a sequence, the sequence |
|
536 | A colored string. A ``Text`` object is a sequence, the sequence | |
537 | items will be ``(style, string)`` tuples. |
|
537 | items will be ``(style, string)`` tuples. | |
538 | """ |
|
538 | """ | |
539 |
|
539 | |||
540 | def __repr__(self): |
|
540 | def __repr__(self): | |
541 | return "%s.%s(%s)" % ( |
|
541 | return "%s.%s(%s)" % ( | |
542 | self.__class__.__module__, self.__class__.__name__, |
|
542 | self.__class__.__module__, self.__class__.__name__, | |
543 | list.__repr__(self)[1:-1]) |
|
543 | list.__repr__(self)[1:-1]) | |
544 |
|
544 | |||
545 | def __init__(self, *args): |
|
545 | def __init__(self, *args): | |
546 | list.__init__(self) |
|
546 | list.__init__(self) | |
547 | self.append(*args) |
|
547 | self.append(*args) | |
548 |
|
548 | |||
549 | def append(self, *args): |
|
549 | def append(self, *args): | |
550 | for arg in args: |
|
550 | for arg in args: | |
551 | if isinstance(arg, Text): |
|
551 | if isinstance(arg, Text): | |
552 | self.extend(arg) |
|
552 | self.extend(arg) | |
553 | elif isinstance(arg, tuple): # must be (style, string) |
|
553 | elif isinstance(arg, tuple): # must be (style, string) | |
554 | list.append(self, arg) |
|
554 | list.append(self, arg) | |
555 | elif isinstance(arg, unicode): |
|
555 | elif isinstance(arg, unicode): | |
556 | list.append(self, (style_default, arg)) |
|
556 | list.append(self, (style_default, arg)) | |
557 | else: |
|
557 | else: | |
558 | list.append(self, (style_default, str(arg))) |
|
558 | list.append(self, (style_default, str(arg))) | |
559 |
|
559 | |||
560 | def insert(self, index, *args): |
|
560 | def insert(self, index, *args): | |
561 | self[index:index] = Text(*args) |
|
561 | self[index:index] = Text(*args) | |
562 |
|
562 | |||
563 | def __add__(self, other): |
|
563 | def __add__(self, other): | |
564 | new = Text() |
|
564 | new = Text() | |
565 | new.append(self) |
|
565 | new.append(self) | |
566 | new.append(other) |
|
566 | new.append(other) | |
567 | return new |
|
567 | return new | |
568 |
|
568 | |||
569 | def __iadd__(self, other): |
|
569 | def __iadd__(self, other): | |
570 | self.append(other) |
|
570 | self.append(other) | |
571 | return self |
|
571 | return self | |
572 |
|
572 | |||
573 | def format(self, styled=True): |
|
573 | def format(self, styled=True): | |
574 | """ |
|
574 | """ | |
575 | This generator yields the strings that will make up the final |
|
575 | This generator yields the strings that will make up the final | |
576 | colorized string. |
|
576 | colorized string. | |
577 | """ |
|
577 | """ | |
578 | if styled: |
|
578 | if styled: | |
579 | oldstyle = style_default |
|
579 | oldstyle = style_default | |
580 | for (style, string) in self: |
|
580 | for (style, string) in self: | |
581 | if not isinstance(style, (int, long)): |
|
581 | if not isinstance(style, (int, long)): | |
582 | switch = switchstyle(oldstyle, style) |
|
582 | switch = switchstyle(oldstyle, style) | |
583 | if switch: |
|
583 | if switch: | |
584 | yield switch |
|
584 | yield switch | |
585 | if string: |
|
585 | if string: | |
586 | yield string |
|
586 | yield string | |
587 | oldstyle = style |
|
587 | oldstyle = style | |
588 | switch = switchstyle(oldstyle, style_default) |
|
588 | switch = switchstyle(oldstyle, style_default) | |
589 | if switch: |
|
589 | if switch: | |
590 | yield switch |
|
590 | yield switch | |
591 | else: |
|
591 | else: | |
592 | for (style, string) in self: |
|
592 | for (style, string) in self: | |
593 | if not isinstance(style, (int, long)): |
|
593 | if not isinstance(style, (int, long)): | |
594 | yield string |
|
594 | yield string | |
595 |
|
595 | |||
596 | def string(self, styled=True): |
|
596 | def string(self, styled=True): | |
597 | """ |
|
597 | """ | |
598 | Return the resulting string (with escape sequences, if ``styled`` is true). |
|
598 | Return the resulting string (with escape sequences, if ``styled`` is true). | |
599 | """ |
|
599 | """ | |
600 | return "".join(self.format(styled)) |
|
600 | return "".join(self.format(styled)) | |
601 |
|
601 | |||
602 | def __str__(self): |
|
602 | def __str__(self): | |
603 | """ |
|
603 | """ | |
604 | Return the resulting string with ANSI escape sequences. |
|
604 | Return the resulting string with ANSI escape sequences. | |
605 | """ |
|
605 | """ | |
606 | return self.string(False) |
|
606 | return self.string(False) | |
607 |
|
607 | |||
608 | def write(self, stream, styled=True): |
|
608 | def write(self, stream, styled=True): | |
609 | for part in self.format(styled): |
|
609 | for part in self.format(styled): | |
610 | stream.write(part) |
|
610 | stream.write(part) | |
611 |
|
611 | |||
612 | def __xrepr__(self, mode="default"): |
|
612 | def __xrepr__(self, mode="default"): | |
613 | yield (-1, True) |
|
613 | yield (-1, True) | |
614 | for info in self: |
|
614 | for info in self: | |
615 | yield info |
|
615 | yield info | |
616 |
|
616 | |||
617 |
|
617 | |||
618 | if curses is not None: |
|
618 | if curses is not None: | |
619 | # This is probably just range(8) |
|
619 | # This is probably just range(8) | |
620 | COLOR2CURSES = [ |
|
620 | COLOR2CURSES = [ | |
621 | COLOR_BLACK, |
|
621 | COLOR_BLACK, | |
622 | COLOR_RED, |
|
622 | COLOR_RED, | |
623 | COLOR_GREEN, |
|
623 | COLOR_GREEN, | |
624 | COLOR_YELLOW, |
|
624 | COLOR_YELLOW, | |
625 | COLOR_BLUE, |
|
625 | COLOR_BLUE, | |
626 | COLOR_MAGENTA, |
|
626 | COLOR_MAGENTA, | |
627 | COLOR_CYAN, |
|
627 | COLOR_CYAN, | |
628 | COLOR_WHITE, |
|
628 | COLOR_WHITE, | |
629 | ] |
|
629 | ] | |
630 |
|
630 | |||
631 | A2CURSES = { |
|
631 | A2CURSES = { | |
632 | A_BLINK: curses.A_BLINK, |
|
632 | A_BLINK: curses.A_BLINK, | |
633 | A_BOLD: curses.A_BOLD, |
|
633 | A_BOLD: curses.A_BOLD, | |
634 | A_DIM: curses.A_DIM, |
|
634 | A_DIM: curses.A_DIM, | |
635 | A_REVERSE: curses.A_REVERSE, |
|
635 | A_REVERSE: curses.A_REVERSE, | |
636 | A_STANDOUT: curses.A_STANDOUT, |
|
636 | A_STANDOUT: curses.A_STANDOUT, | |
637 | A_UNDERLINE: curses.A_UNDERLINE, |
|
637 | A_UNDERLINE: curses.A_UNDERLINE, | |
638 | } |
|
638 | } | |
639 |
|
639 | |||
640 |
|
640 | |||
641 | # default style |
|
641 | # default style | |
642 | style_default = Style(COLOR_WHITE, COLOR_BLACK) |
|
642 | style_default = Style(COLOR_WHITE, COLOR_BLACK) | |
643 |
|
643 | |||
644 | # Styles for datatypes |
|
644 | # Styles for datatypes | |
645 | style_type_none = Style(COLOR_MAGENTA, COLOR_BLACK) |
|
645 | style_type_none = Style(COLOR_MAGENTA, COLOR_BLACK) | |
646 | style_type_bool = Style(COLOR_MAGENTA, COLOR_BLACK) |
|
646 | style_type_bool = Style(COLOR_MAGENTA, COLOR_BLACK) | |
647 | style_type_number = Style(COLOR_YELLOW, COLOR_BLACK) |
|
647 | style_type_number = Style(COLOR_YELLOW, COLOR_BLACK) | |
648 | style_type_datetime = Style(COLOR_MAGENTA, COLOR_BLACK) |
|
648 | style_type_datetime = Style(COLOR_MAGENTA, COLOR_BLACK) | |
649 |
|
649 | |||
650 | # Style for URLs and file/directory names |
|
650 | # Style for URLs and file/directory names | |
651 | style_url = Style(COLOR_GREEN, COLOR_BLACK) |
|
651 | style_url = Style(COLOR_GREEN, COLOR_BLACK) | |
652 | style_dir = Style(COLOR_CYAN, COLOR_BLACK) |
|
652 | style_dir = Style(COLOR_CYAN, COLOR_BLACK) | |
653 | style_file = Style(COLOR_GREEN, COLOR_BLACK) |
|
653 | style_file = Style(COLOR_GREEN, COLOR_BLACK) | |
654 |
|
654 | |||
655 | # Style for ellipsis (when an output has been shortened |
|
655 | # Style for ellipsis (when an output has been shortened | |
656 | style_ellisis = Style(COLOR_RED, COLOR_BLACK) |
|
656 | style_ellisis = Style(COLOR_RED, COLOR_BLACK) | |
657 |
|
657 | |||
658 | # Style for displaying exceptions |
|
658 | # Style for displaying exceptions | |
659 | style_error = Style(COLOR_RED, COLOR_BLACK) |
|
659 | style_error = Style(COLOR_RED, COLOR_BLACK) | |
660 |
|
660 | |||
661 | # Style for displaying non-existing attributes |
|
661 | # Style for displaying non-existing attributes | |
662 | style_nodata = Style(COLOR_RED, COLOR_BLACK) |
|
662 | style_nodata = Style(COLOR_RED, COLOR_BLACK) | |
663 |
|
663 | |||
664 |
|
664 | |||
665 | def xrepr(item, mode): |
|
665 | def xrepr(item, mode): | |
666 | try: |
|
666 | try: | |
667 | func = item.__xrepr__ |
|
667 | func = item.__xrepr__ | |
668 | except AttributeError: |
|
668 | except AttributeError: | |
669 | pass |
|
669 | pass | |
670 | else: |
|
670 | else: | |
671 | try: |
|
671 | try: | |
672 | for x in func(mode): |
|
672 | for x in func(mode): | |
673 | yield x |
|
673 | yield x | |
674 | except (KeyboardInterrupt, SystemExit): |
|
674 | except (KeyboardInterrupt, SystemExit): | |
675 | raise |
|
675 | raise | |
676 | except Exception: |
|
676 | except Exception: | |
677 | yield (-1, True) |
|
677 | yield (-1, True) | |
678 | yield (style_default, repr(item)) |
|
678 | yield (style_default, repr(item)) | |
679 | return |
|
679 | return | |
680 | if item is None: |
|
680 | if item is None: | |
681 | yield (-1, True) |
|
681 | yield (-1, True) | |
682 | yield (style_type_none, repr(item)) |
|
682 | yield (style_type_none, repr(item)) | |
683 | elif isinstance(item, bool): |
|
683 | elif isinstance(item, bool): | |
684 | yield (-1, True) |
|
684 | yield (-1, True) | |
685 | yield (style_type_bool, repr(item)) |
|
685 | yield (style_type_bool, repr(item)) | |
686 | elif isinstance(item, str): |
|
686 | elif isinstance(item, str): | |
687 | yield (-1, True) |
|
687 | yield (-1, True) | |
688 | if mode == "cell": |
|
688 | if mode == "cell": | |
689 | yield (style_default, repr(item.expandtabs(tab))[1:-1]) |
|
689 | yield (style_default, repr(item.expandtabs(tab))[1:-1]) | |
690 | else: |
|
690 | else: | |
691 | yield (style_default, repr(item)) |
|
691 | yield (style_default, repr(item)) | |
692 | elif isinstance(item, unicode): |
|
692 | elif isinstance(item, unicode): | |
693 | yield (-1, True) |
|
693 | yield (-1, True) | |
694 | if mode == "cell": |
|
694 | if mode == "cell": | |
695 | yield (style_default, repr(item.expandtabs(tab))[2:-1]) |
|
695 | yield (style_default, repr(item.expandtabs(tab))[2:-1]) | |
696 | else: |
|
696 | else: | |
697 | yield (style_default, repr(item)) |
|
697 | yield (style_default, repr(item)) | |
698 | elif isinstance(item, (int, long, float)): |
|
698 | elif isinstance(item, (int, long, float)): | |
699 | yield (1, True) |
|
699 | yield (1, True) | |
700 | yield (style_type_number, repr(item)) |
|
700 | yield (style_type_number, repr(item)) | |
701 | elif isinstance(item, complex): |
|
701 | elif isinstance(item, complex): | |
702 | yield (-1, True) |
|
702 | yield (-1, True) | |
703 | yield (style_type_number, repr(item)) |
|
703 | yield (style_type_number, repr(item)) | |
704 | elif isinstance(item, datetime.datetime): |
|
704 | elif isinstance(item, datetime.datetime): | |
705 | yield (-1, True) |
|
705 | yield (-1, True) | |
706 | if mode == "cell": |
|
706 | if mode == "cell": | |
707 | # Don't use strftime() here, as this requires year >= 1900 |
|
707 | # Don't use strftime() here, as this requires year >= 1900 | |
708 | yield (style_type_datetime, |
|
708 | yield (style_type_datetime, | |
709 | "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ |
|
709 | "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ | |
710 | (item.year, item.month, item.day, |
|
710 | (item.year, item.month, item.day, | |
711 | item.hour, item.minute, item.second, |
|
711 | item.hour, item.minute, item.second, | |
712 | item.microsecond), |
|
712 | item.microsecond), | |
713 | ) |
|
713 | ) | |
714 | else: |
|
714 | else: | |
715 | yield (style_type_datetime, repr(item)) |
|
715 | yield (style_type_datetime, repr(item)) | |
716 | elif isinstance(item, datetime.date): |
|
716 | elif isinstance(item, datetime.date): | |
717 | yield (-1, True) |
|
717 | yield (-1, True) | |
718 | if mode == "cell": |
|
718 | if mode == "cell": | |
719 | yield (style_type_datetime, |
|
719 | yield (style_type_datetime, | |
720 | "%04d-%02d-%02d" % (item.year, item.month, item.day)) |
|
720 | "%04d-%02d-%02d" % (item.year, item.month, item.day)) | |
721 | else: |
|
721 | else: | |
722 | yield (style_type_datetime, repr(item)) |
|
722 | yield (style_type_datetime, repr(item)) | |
723 | elif isinstance(item, datetime.time): |
|
723 | elif isinstance(item, datetime.time): | |
724 | yield (-1, True) |
|
724 | yield (-1, True) | |
725 | if mode == "cell": |
|
725 | if mode == "cell": | |
726 | yield (style_type_datetime, |
|
726 | yield (style_type_datetime, | |
727 | "%02d:%02d:%02d.%06d" % \ |
|
727 | "%02d:%02d:%02d.%06d" % \ | |
728 | (item.hour, item.minute, item.second, item.microsecond)) |
|
728 | (item.hour, item.minute, item.second, item.microsecond)) | |
729 | else: |
|
729 | else: | |
730 | yield (style_type_datetime, repr(item)) |
|
730 | yield (style_type_datetime, repr(item)) | |
731 | elif isinstance(item, datetime.timedelta): |
|
731 | elif isinstance(item, datetime.timedelta): | |
732 | yield (-1, True) |
|
732 | yield (-1, True) | |
733 | yield (style_type_datetime, repr(item)) |
|
733 | yield (style_type_datetime, repr(item)) | |
734 | elif isinstance(item, Exception): |
|
734 | elif isinstance(item, Exception): | |
735 | yield (-1, True) |
|
735 | yield (-1, True) | |
736 | if item.__class__.__module__ == "exceptions": |
|
736 | if item.__class__.__module__ == "exceptions": | |
737 | classname = item.__class__.__name__ |
|
737 | classname = item.__class__.__name__ | |
738 | else: |
|
738 | else: | |
739 | classname = "%s.%s: %s" % \ |
|
739 | classname = "%s.%s: %s" % \ | |
740 | (item.__class__.__module__, item.__class__.__name__) |
|
740 | (item.__class__.__module__, item.__class__.__name__) | |
741 | if mode == "header" or mode == "footer": |
|
741 | if mode == "header" or mode == "footer": | |
742 | yield (style_error, "%s: %s" % (classname, item)) |
|
742 | yield (style_error, "%s: %s" % (classname, item)) | |
743 | else: |
|
743 | else: | |
744 | yield (style_error, classname) |
|
744 | yield (style_error, classname) | |
745 | elif isinstance(item, (list, tuple)): |
|
745 | elif isinstance(item, (list, tuple)): | |
746 | yield (-1, False) |
|
746 | yield (-1, False) | |
747 | if mode == "header" or mode == "footer": |
|
747 | if mode == "header" or mode == "footer": | |
748 | if item.__class__.__module__ == "__builtin__": |
|
748 | if item.__class__.__module__ == "__builtin__": | |
749 | classname = item.__class__.__name__ |
|
749 | classname = item.__class__.__name__ | |
750 | else: |
|
750 | else: | |
751 | classname = "%s.%s" % \ |
|
751 | classname = "%s.%s" % \ | |
752 | (item.__class__.__module__,item.__class__.__name__) |
|
752 | (item.__class__.__module__,item.__class__.__name__) | |
753 | yield (style_default, |
|
753 | yield (style_default, | |
754 | "<%s object with %d items at 0x%x>" % \ |
|
754 | "<%s object with %d items at 0x%x>" % \ | |
755 | (classname, len(item), id(item))) |
|
755 | (classname, len(item), id(item))) | |
756 | else: |
|
756 | else: | |
757 | if isinstance(item, list): |
|
757 | if isinstance(item, list): | |
758 | yield (style_default, "[") |
|
758 | yield (style_default, "[") | |
759 | end = "]" |
|
759 | end = "]" | |
760 | else: |
|
760 | else: | |
761 | yield (style_default, "(") |
|
761 | yield (style_default, "(") | |
762 | end = ")" |
|
762 | end = ")" | |
763 | for (i, subitem) in enumerate(item): |
|
763 | for (i, subitem) in enumerate(item): | |
764 | if i: |
|
764 | if i: | |
765 | yield (style_default, ", ") |
|
765 | yield (style_default, ", ") | |
766 | for part in xrepr(subitem, "default"): |
|
766 | for part in xrepr(subitem, "default"): | |
767 | yield part |
|
767 | yield part | |
768 | yield (style_default, end) |
|
768 | yield (style_default, end) | |
769 | elif isinstance(item, (dict, types.DictProxyType)): |
|
769 | elif isinstance(item, (dict, types.DictProxyType)): | |
770 | yield (-1, False) |
|
770 | yield (-1, False) | |
771 | if mode == "header" or mode == "footer": |
|
771 | if mode == "header" or mode == "footer": | |
772 | if item.__class__.__module__ == "__builtin__": |
|
772 | if item.__class__.__module__ == "__builtin__": | |
773 | classname = item.__class__.__name__ |
|
773 | classname = item.__class__.__name__ | |
774 | else: |
|
774 | else: | |
775 | classname = "%s.%s" % \ |
|
775 | classname = "%s.%s" % \ | |
776 | (item.__class__.__module__,item.__class__.__name__) |
|
776 | (item.__class__.__module__,item.__class__.__name__) | |
777 | yield (style_default, |
|
777 | yield (style_default, | |
778 | "<%s object with %d items at 0x%x>" % \ |
|
778 | "<%s object with %d items at 0x%x>" % \ | |
779 | (classname, len(item), id(item))) |
|
779 | (classname, len(item), id(item))) | |
780 | else: |
|
780 | else: | |
781 | if isinstance(item, dict): |
|
781 | if isinstance(item, dict): | |
782 | yield (style_default, "{") |
|
782 | yield (style_default, "{") | |
783 | end = "}" |
|
783 | end = "}" | |
784 | else: |
|
784 | else: | |
785 | yield (style_default, "dictproxy((") |
|
785 | yield (style_default, "dictproxy((") | |
786 | end = "})" |
|
786 | end = "})" | |
787 | for (i, (key, value)) in enumerate(item.iteritems()): |
|
787 | for (i, (key, value)) in enumerate(item.iteritems()): | |
788 | if i: |
|
788 | if i: | |
789 | yield (style_default, ", ") |
|
789 | yield (style_default, ", ") | |
790 | for part in xrepr(key, "default"): |
|
790 | for part in xrepr(key, "default"): | |
791 | yield part |
|
791 | yield part | |
792 | yield (style_default, ": ") |
|
792 | yield (style_default, ": ") | |
793 | for part in xrepr(value, "default"): |
|
793 | for part in xrepr(value, "default"): | |
794 | yield part |
|
794 | yield part | |
795 | yield (style_default, end) |
|
795 | yield (style_default, end) | |
796 | else: |
|
796 | else: | |
797 | yield (-1, True) |
|
797 | yield (-1, True) | |
798 | yield (style_default, repr(item)) |
|
798 | yield (style_default, repr(item)) | |
799 |
|
799 | |||
800 |
|
800 | |||
801 | def xattrs(item, mode): |
|
801 | def xattrs(item, mode): | |
802 | try: |
|
802 | try: | |
803 | func = item.__xattrs__ |
|
803 | func = item.__xattrs__ | |
804 | except AttributeError: |
|
804 | except AttributeError: | |
805 | return (None,) |
|
805 | return (None,) | |
806 | else: |
|
806 | else: | |
807 | try: |
|
807 | try: | |
808 | return func(mode) |
|
808 | return func(mode) | |
809 | except (KeyboardInterrupt, SystemExit): |
|
809 | except (KeyboardInterrupt, SystemExit): | |
810 | raise |
|
810 | raise | |
811 | except Exception: |
|
811 | except Exception: | |
812 | return (None,) |
|
812 | return (None,) | |
813 |
|
813 | |||
814 |
|
814 | |||
815 | def xiter(item, mode): |
|
815 | def xiter(item, mode): | |
816 | if mode == "detail": |
|
816 | if mode == "detail": | |
817 | def items(): |
|
817 | def items(): | |
818 | for name in xattrs(item, mode): |
|
818 | for name in xattrs(item, mode): | |
819 | yield XAttr(item, name) |
|
819 | yield XAttr(item, name) | |
820 | return items() |
|
820 | return items() | |
821 | try: |
|
821 | try: | |
822 | func = item.__xiter__ |
|
822 | func = item.__xiter__ | |
823 | except AttributeError: |
|
823 | except AttributeError: | |
824 | if isinstance(item, (dict, types.DictProxyType)): |
|
824 | if isinstance(item, (dict, types.DictProxyType)): | |
825 | def items(item): |
|
825 | def items(item): | |
826 | fields = ("key", "value") |
|
826 | fields = ("key", "value") | |
827 | for (key, value) in item.iteritems(): |
|
827 | for (key, value) in item.iteritems(): | |
828 | yield Fields(fields, key=key, value=value) |
|
828 | yield Fields(fields, key=key, value=value) | |
829 | return items(item) |
|
829 | return items(item) | |
830 | elif isinstance(item, new.module): |
|
830 | elif isinstance(item, new.module): | |
831 | def items(item): |
|
831 | def items(item): | |
832 | fields = ("key", "value") |
|
832 | fields = ("key", "value") | |
833 | for key in sorted(item.__dict__): |
|
833 | for key in sorted(item.__dict__): | |
834 | yield Fields(fields, key=key, value=getattr(item, key)) |
|
834 | yield Fields(fields, key=key, value=getattr(item, key)) | |
835 | return items(item) |
|
835 | return items(item) | |
836 | elif isinstance(item, basestring): |
|
836 | elif isinstance(item, basestring): | |
837 | if not len(item): |
|
837 | if not len(item): | |
838 | raise ValueError("can't enter empty string") |
|
838 | raise ValueError("can't enter empty string") | |
839 | lines = item.splitlines() |
|
839 | lines = item.splitlines() | |
840 | if len(lines) <= 1: |
|
840 | if len(lines) <= 1: | |
841 | raise ValueError("can't enter one line string") |
|
841 | raise ValueError("can't enter one line string") | |
842 | return iter(lines) |
|
842 | return iter(lines) | |
843 | return iter(item) |
|
843 | return iter(item) | |
844 | else: |
|
844 | else: | |
845 | return iter(func(mode)) # iter() just to be safe |
|
845 | return iter(func(mode)) # iter() just to be safe | |
846 |
|
846 | |||
847 |
|
847 | |||
848 | class ichain(Pipe): |
|
848 | class ichain(Pipe): | |
849 | """ |
|
849 | """ | |
850 | Chains multiple ``Table``s into one. |
|
850 | Chains multiple ``Table``s into one. | |
851 | """ |
|
851 | """ | |
852 |
|
852 | |||
853 | def __init__(self, *iters): |
|
853 | def __init__(self, *iters): | |
854 | self.iters = iters |
|
854 | self.iters = iters | |
855 |
|
855 | |||
856 | def __xiter__(self, mode): |
|
856 | def __xiter__(self, mode): | |
857 | return itertools.chain(*self.iters) |
|
857 | return itertools.chain(*self.iters) | |
858 |
|
858 | |||
859 | def __xrepr__(self, mode): |
|
859 | def __xrepr__(self, mode): | |
860 | yield (-1, True) |
|
860 | yield (-1, True) | |
861 | if mode == "header" or mode == "footer": |
|
861 | if mode == "header" or mode == "footer": | |
862 | for (i, item) in enumerate(self.iters): |
|
862 | for (i, item) in enumerate(self.iters): | |
863 | if i: |
|
863 | if i: | |
864 | yield (style_default, "+") |
|
864 | yield (style_default, "+") | |
865 | if isinstance(item, Pipe): |
|
865 | if isinstance(item, Pipe): | |
866 | yield (style_default, "(") |
|
866 | yield (style_default, "(") | |
867 | for part in xrepr(item, mode): |
|
867 | for part in xrepr(item, mode): | |
868 | yield part |
|
868 | yield part | |
869 | if isinstance(item, Pipe): |
|
869 | if isinstance(item, Pipe): | |
870 | yield (style_default, ")") |
|
870 | yield (style_default, ")") | |
871 | else: |
|
871 | else: | |
872 | yield (style_default, repr(self)) |
|
872 | yield (style_default, repr(self)) | |
873 |
|
873 | |||
874 | def __repr__(self): |
|
874 | def __repr__(self): | |
875 | args = ", ".join([repr(it) for it in self.iters]) |
|
875 | args = ", ".join([repr(it) for it in self.iters]) | |
876 | return "%s.%s(%s)" % \ |
|
876 | return "%s.%s(%s)" % \ | |
877 | (self.__class__.__module__, self.__class__.__name__, args) |
|
877 | (self.__class__.__module__, self.__class__.__name__, args) | |
878 |
|
878 | |||
879 |
|
879 | |||
880 | class ifile(path.path): |
|
880 | class ifile(path.path): | |
881 | """ |
|
881 | """ | |
882 | file (or directory) object. |
|
882 | file (or directory) object. | |
883 | """ |
|
883 | """ | |
884 |
|
884 | |||
885 | def __add_(self, other): |
|
885 | def __add_(self, other): | |
886 | return ifile(path._base(self) + other) |
|
886 | return ifile(path._base(self) + other) | |
887 |
|
887 | |||
888 | def __radd_(self, other): |
|
888 | def __radd_(self, other): | |
889 | return ifile(other + path._base(self)) |
|
889 | return ifile(other + path._base(self)) | |
890 |
|
890 | |||
891 | def __div_(self, other): |
|
891 | def __div_(self, other): | |
892 | return ifile(path.__div__(self, other)) |
|
892 | return ifile(path.__div__(self, other)) | |
893 |
|
893 | |||
894 | def getcwd(): |
|
894 | def getcwd(): | |
895 | """ Return the current working directory as a path object. """ |
|
895 | """ Return the current working directory as a path object. """ | |
896 | return ifile(path.path.getcwd()) |
|
896 | return ifile(path.path.getcwd()) | |
897 | getcwd = staticmethod(getcwd) |
|
897 | getcwd = staticmethod(getcwd) | |
898 |
|
898 | |||
899 | def abspath(self): |
|
899 | def abspath(self): | |
900 | return ifile(path.path.abspath(self)) |
|
900 | return ifile(path.path.abspath(self)) | |
901 |
|
901 | |||
902 | def normcase(self): |
|
902 | def normcase(self): | |
903 | return ifile(path.path.normcase(self)) |
|
903 | return ifile(path.path.normcase(self)) | |
904 |
|
904 | |||
905 | def normpath(self): |
|
905 | def normpath(self): | |
906 | return ifile(path.path.normpath(self)) |
|
906 | return ifile(path.path.normpath(self)) | |
907 |
|
907 | |||
908 | def realpath(self): |
|
908 | def realpath(self): | |
909 | return ifile(path.path.realpath(self)) |
|
909 | return ifile(path.path.realpath(self)) | |
910 |
|
910 | |||
911 | def expanduser(self): |
|
911 | def expanduser(self): | |
912 | return ifile(path.path.expanduser(self)) |
|
912 | return ifile(path.path.expanduser(self)) | |
913 |
|
913 | |||
914 | def expandvars(self): |
|
914 | def expandvars(self): | |
915 | return ifile(path.path.expandvars(self)) |
|
915 | return ifile(path.path.expandvars(self)) | |
916 |
|
916 | |||
917 | def dirname(self): |
|
917 | def dirname(self): | |
918 | return ifile(path.path.dirname(self)) |
|
918 | return ifile(path.path.dirname(self)) | |
919 |
|
919 | |||
920 | parent = property(dirname, None, None, path.path.parent.__doc__) |
|
920 | parent = property(dirname, None, None, path.path.parent.__doc__) | |
921 |
|
921 | |||
922 | def splitpath(self): |
|
922 | def splitpath(self): | |
923 | (parent, child) = path.path.splitpath(self) |
|
923 | (parent, child) = path.path.splitpath(self) | |
924 | return (ifile(parent), child) |
|
924 | return (ifile(parent), child) | |
925 |
|
925 | |||
926 | def splitdrive(self): |
|
926 | def splitdrive(self): | |
927 | (drive, rel) = path.path.splitdrive(self) |
|
927 | (drive, rel) = path.path.splitdrive(self) | |
928 | return (ifile(drive), rel) |
|
928 | return (ifile(drive), rel) | |
929 |
|
929 | |||
930 | def splitext(self): |
|
930 | def splitext(self): | |
931 | (filename, ext) = path.path.splitext(self) |
|
931 | (filename, ext) = path.path.splitext(self) | |
932 | return (ifile(filename), ext) |
|
932 | return (ifile(filename), ext) | |
933 |
|
933 | |||
934 | if hasattr(path.path, "splitunc"): |
|
934 | if hasattr(path.path, "splitunc"): | |
935 | def splitunc(self): |
|
935 | def splitunc(self): | |
936 | (unc, rest) = path.path.splitunc(self) |
|
936 | (unc, rest) = path.path.splitunc(self) | |
937 | return (ifile(unc), rest) |
|
937 | return (ifile(unc), rest) | |
938 |
|
938 | |||
939 | def _get_uncshare(self): |
|
939 | def _get_uncshare(self): | |
940 | unc, r = os.path.splitunc(self) |
|
940 | unc, r = os.path.splitunc(self) | |
941 | return ifile(unc) |
|
941 | return ifile(unc) | |
942 |
|
942 | |||
943 | uncshare = property( |
|
943 | uncshare = property( | |
944 | _get_uncshare, None, None, |
|
944 | _get_uncshare, None, None, | |
945 | """ The UNC mount point for this path. |
|
945 | """ The UNC mount point for this path. | |
946 | This is empty for paths on local drives. """) |
|
946 | This is empty for paths on local drives. """) | |
947 |
|
947 | |||
948 | def joinpath(self, *args): |
|
948 | def joinpath(self, *args): | |
949 | return ifile(path.path.joinpath(self, *args)) |
|
949 | return ifile(path.path.joinpath(self, *args)) | |
950 |
|
950 | |||
951 | def splitall(self): |
|
951 | def splitall(self): | |
952 | return map(ifile, path.path.splitall(self)) |
|
952 | return map(ifile, path.path.splitall(self)) | |
953 |
|
953 | |||
954 | def relpath(self): |
|
954 | def relpath(self): | |
955 | return ifile(path.path.relpath(self)) |
|
955 | return ifile(path.path.relpath(self)) | |
956 |
|
956 | |||
957 | def relpathto(self, dest): |
|
957 | def relpathto(self, dest): | |
958 | return ifile(path.path.relpathto(self, dest)) |
|
958 | return ifile(path.path.relpathto(self, dest)) | |
959 |
|
959 | |||
960 | def listdir(self, pattern=None): |
|
960 | def listdir(self, pattern=None): | |
961 | return [ifile(child) for child in path.path.listdir(self, pattern)] |
|
961 | return [ifile(child) for child in path.path.listdir(self, pattern)] | |
962 |
|
962 | |||
963 | def dirs(self, pattern=None): |
|
963 | def dirs(self, pattern=None): | |
964 | return [ifile(child) for child in path.path.dirs(self, pattern)] |
|
964 | return [ifile(child) for child in path.path.dirs(self, pattern)] | |
965 |
|
965 | |||
966 | def files(self, pattern=None): |
|
966 | def files(self, pattern=None): | |
967 | return [ifile(child) for child in path.path.files(self, pattern)] |
|
967 | return [ifile(child) for child in path.path.files(self, pattern)] | |
968 |
|
968 | |||
969 | def walk(self, pattern=None): |
|
969 | def walk(self, pattern=None): | |
970 | for child in path.path.walk(self, pattern): |
|
970 | for child in path.path.walk(self, pattern): | |
971 | yield ifile(child) |
|
971 | yield ifile(child) | |
972 |
|
972 | |||
973 | def walkdirs(self, pattern=None): |
|
973 | def walkdirs(self, pattern=None): | |
974 | for child in path.path.walkdirs(self, pattern): |
|
974 | for child in path.path.walkdirs(self, pattern): | |
975 | yield ifile(child) |
|
975 | yield ifile(child) | |
976 |
|
976 | |||
977 | def walkfiles(self, pattern=None): |
|
977 | def walkfiles(self, pattern=None): | |
978 | for child in path.path.walkfiles(self, pattern): |
|
978 | for child in path.path.walkfiles(self, pattern): | |
979 | yield ifile(child) |
|
979 | yield ifile(child) | |
980 |
|
980 | |||
981 | def glob(self, pattern): |
|
981 | def glob(self, pattern): | |
982 | return map(ifile, path.path.glob(self, pattern)) |
|
982 | return map(ifile, path.path.glob(self, pattern)) | |
983 |
|
983 | |||
984 | if hasattr(os, 'readlink'): |
|
984 | if hasattr(os, 'readlink'): | |
985 | def readlink(self): |
|
985 | def readlink(self): | |
986 | return ifile(path.path.readlink(self)) |
|
986 | return ifile(path.path.readlink(self)) | |
987 |
|
987 | |||
988 | def readlinkabs(self): |
|
988 | def readlinkabs(self): | |
989 | return ifile(path.path.readlinkabs(self)) |
|
989 | return ifile(path.path.readlinkabs(self)) | |
990 |
|
990 | |||
991 | def getmode(self): |
|
991 | def getmode(self): | |
992 | return self.stat().st_mode |
|
992 | return self.stat().st_mode | |
993 | mode = property(getmode, None, None, "Access mode") |
|
993 | mode = property(getmode, None, None, "Access mode") | |
994 |
|
994 | |||
995 | def gettype(self): |
|
995 | def gettype(self): | |
996 | data = [ |
|
996 | data = [ | |
997 | (stat.S_ISREG, "file"), |
|
997 | (stat.S_ISREG, "file"), | |
998 | (stat.S_ISDIR, "dir"), |
|
998 | (stat.S_ISDIR, "dir"), | |
999 | (stat.S_ISCHR, "chardev"), |
|
999 | (stat.S_ISCHR, "chardev"), | |
1000 | (stat.S_ISBLK, "blockdev"), |
|
1000 | (stat.S_ISBLK, "blockdev"), | |
1001 | (stat.S_ISFIFO, "fifo"), |
|
1001 | (stat.S_ISFIFO, "fifo"), | |
1002 | (stat.S_ISLNK, "symlink"), |
|
1002 | (stat.S_ISLNK, "symlink"), | |
1003 | (stat.S_ISSOCK,"socket"), |
|
1003 | (stat.S_ISSOCK,"socket"), | |
1004 | ] |
|
1004 | ] | |
1005 | lstat = self.lstat() |
|
1005 | lstat = self.lstat() | |
1006 | if lstat is not None: |
|
1006 | if lstat is not None: | |
1007 | types = set([text for (func, text) in data if func(lstat.st_mode)]) |
|
1007 | types = set([text for (func, text) in data if func(lstat.st_mode)]) | |
1008 | else: |
|
1008 | else: | |
1009 | types = set() |
|
1009 | types = set() | |
1010 | m = self.mode |
|
1010 | m = self.mode | |
1011 | types.update([text for (func, text) in data if func(m)]) |
|
1011 | types.update([text for (func, text) in data if func(m)]) | |
1012 | return ", ".join(types) |
|
1012 | return ", ".join(types) | |
1013 | type = property(gettype, None, None, "file type (file, directory, link, etc.)") |
|
1013 | type = property(gettype, None, None, "file type (file, directory, link, etc.)") | |
1014 |
|
1014 | |||
1015 | def getmodestr(self): |
|
1015 | def getmodestr(self): | |
1016 | m = self.mode |
|
1016 | m = self.mode | |
1017 | data = [ |
|
1017 | data = [ | |
1018 | (stat.S_IRUSR, "-r"), |
|
1018 | (stat.S_IRUSR, "-r"), | |
1019 | (stat.S_IWUSR, "-w"), |
|
1019 | (stat.S_IWUSR, "-w"), | |
1020 | (stat.S_IXUSR, "-x"), |
|
1020 | (stat.S_IXUSR, "-x"), | |
1021 | (stat.S_IRGRP, "-r"), |
|
1021 | (stat.S_IRGRP, "-r"), | |
1022 | (stat.S_IWGRP, "-w"), |
|
1022 | (stat.S_IWGRP, "-w"), | |
1023 | (stat.S_IXGRP, "-x"), |
|
1023 | (stat.S_IXGRP, "-x"), | |
1024 | (stat.S_IROTH, "-r"), |
|
1024 | (stat.S_IROTH, "-r"), | |
1025 | (stat.S_IWOTH, "-w"), |
|
1025 | (stat.S_IWOTH, "-w"), | |
1026 | (stat.S_IXOTH, "-x"), |
|
1026 | (stat.S_IXOTH, "-x"), | |
1027 | ] |
|
1027 | ] | |
1028 | return "".join([text[bool(m&bit)] for (bit, text) in data]) |
|
1028 | return "".join([text[bool(m&bit)] for (bit, text) in data]) | |
1029 |
|
1029 | |||
1030 | modestr = property(getmodestr, None, None, "Access mode as string") |
|
1030 | modestr = property(getmodestr, None, None, "Access mode as string") | |
1031 |
|
1031 | |||
1032 | def getblocks(self): |
|
1032 | def getblocks(self): | |
1033 | return self.stat().st_blocks |
|
1033 | return self.stat().st_blocks | |
1034 | blocks = property(getblocks, None, None, "File size in blocks") |
|
1034 | blocks = property(getblocks, None, None, "File size in blocks") | |
1035 |
|
1035 | |||
1036 | def getblksize(self): |
|
1036 | def getblksize(self): | |
1037 | return self.stat().st_blksize |
|
1037 | return self.stat().st_blksize | |
1038 | blksize = property(getblksize, None, None, "Filesystem block size") |
|
1038 | blksize = property(getblksize, None, None, "Filesystem block size") | |
1039 |
|
1039 | |||
1040 | def getdev(self): |
|
1040 | def getdev(self): | |
1041 | return self.stat().st_dev |
|
1041 | return self.stat().st_dev | |
1042 | dev = property(getdev) |
|
1042 | dev = property(getdev) | |
1043 |
|
1043 | |||
1044 | def getnlink(self): |
|
1044 | def getnlink(self): | |
1045 | return self.stat().st_nlink |
|
1045 | return self.stat().st_nlink | |
1046 | nlink = property(getnlink, None, None, "Number of links") |
|
1046 | nlink = property(getnlink, None, None, "Number of links") | |
1047 |
|
1047 | |||
1048 | def getuid(self): |
|
1048 | def getuid(self): | |
1049 | return self.stat().st_uid |
|
1049 | return self.stat().st_uid | |
1050 | uid = property(getuid, None, None, "User id of file owner") |
|
1050 | uid = property(getuid, None, None, "User id of file owner") | |
1051 |
|
1051 | |||
1052 | def getgid(self): |
|
1052 | def getgid(self): | |
1053 | return self.stat().st_gid |
|
1053 | return self.stat().st_gid | |
1054 | gid = property(getgid, None, None, "Group id of file owner") |
|
1054 | gid = property(getgid, None, None, "Group id of file owner") | |
1055 |
|
1055 | |||
1056 | def getowner(self): |
|
1056 | def getowner(self): | |
1057 | stat = self.stat() |
|
1057 | stat = self.stat() | |
1058 | try: |
|
1058 | try: | |
1059 | return pwd.getpwuid(stat.st_uid).pw_name |
|
1059 | return pwd.getpwuid(stat.st_uid).pw_name | |
1060 | except KeyError: |
|
1060 | except KeyError: | |
1061 | return stat.st_uid |
|
1061 | return stat.st_uid | |
1062 | owner = property(getowner, None, None, "Owner name (or id)") |
|
1062 | owner = property(getowner, None, None, "Owner name (or id)") | |
1063 |
|
1063 | |||
1064 | def getgroup(self): |
|
1064 | def getgroup(self): | |
1065 | stat = self.stat() |
|
1065 | stat = self.stat() | |
1066 | try: |
|
1066 | try: | |
1067 | return grp.getgrgid(stat.st_gid).gr_name |
|
1067 | return grp.getgrgid(stat.st_gid).gr_name | |
1068 | except KeyError: |
|
1068 | except KeyError: | |
1069 | return stat.st_gid |
|
1069 | return stat.st_gid | |
1070 | group = property(getgroup, None, None, "Group name (or id)") |
|
1070 | group = property(getgroup, None, None, "Group name (or id)") | |
1071 |
|
1071 | |||
1072 | def getadate(self): |
|
1072 | def getadate(self): | |
1073 | return datetime.datetime.utcfromtimestamp(self.atime) |
|
1073 | return datetime.datetime.utcfromtimestamp(self.atime) | |
1074 | adate = property(getadate, None, None, "Access date") |
|
1074 | adate = property(getadate, None, None, "Access date") | |
1075 |
|
1075 | |||
1076 | def getcdate(self): |
|
1076 | def getcdate(self): | |
1077 | return datetime.datetime.utcfromtimestamp(self.ctime) |
|
1077 | return datetime.datetime.utcfromtimestamp(self.ctime) | |
1078 | cdate = property(getcdate, None, None, "Creation date") |
|
1078 | cdate = property(getcdate, None, None, "Creation date") | |
1079 |
|
1079 | |||
1080 | def getmdate(self): |
|
1080 | def getmdate(self): | |
1081 | return datetime.datetime.utcfromtimestamp(self.mtime) |
|
1081 | return datetime.datetime.utcfromtimestamp(self.mtime) | |
1082 | mdate = property(getmdate, None, None, "Modification date") |
|
1082 | mdate = property(getmdate, None, None, "Modification date") | |
1083 |
|
1083 | |||
1084 | def getmimetype(self): |
|
1084 | def getmimetype(self): | |
1085 | return mimetypes.guess_type(self.basename())[0] |
|
1085 | return mimetypes.guess_type(self.basename())[0] | |
1086 | mimetype = property(getmimetype, None, None, "MIME type") |
|
1086 | mimetype = property(getmimetype, None, None, "MIME type") | |
1087 |
|
1087 | |||
1088 | def getencoding(self): |
|
1088 | def getencoding(self): | |
1089 | return mimetypes.guess_type(self.basename())[1] |
|
1089 | return mimetypes.guess_type(self.basename())[1] | |
1090 | encoding = property(getencoding, None, None, "Compression") |
|
1090 | encoding = property(getencoding, None, None, "Compression") | |
1091 |
|
1091 | |||
1092 | def __repr__(self): |
|
1092 | def __repr__(self): | |
1093 | return "ifile(%s)" % path._base.__repr__(self) |
|
1093 | return "ifile(%s)" % path._base.__repr__(self) | |
1094 |
|
1094 | |||
1095 | defaultattrs = (None, "type", "size", "modestr", "owner", "group", "mdate") |
|
1095 | defaultattrs = (None, "type", "size", "modestr", "owner", "group", "mdate") | |
1096 |
|
1096 | |||
1097 | def __xattrs__(self, mode): |
|
1097 | def __xattrs__(self, mode): | |
1098 | if mode == "detail": |
|
1098 | if mode == "detail": | |
1099 | return ( |
|
1099 | return ( | |
1100 | "name", "basename()", "abspath()", "realpath()", |
|
1100 | "name", "basename()", "abspath()", "realpath()", | |
1101 | "type", "mode", "modestr", "stat()", "lstat()", |
|
1101 | "type", "mode", "modestr", "stat()", "lstat()", | |
1102 | "uid", "gid", "owner", "group", "dev", "nlink", |
|
1102 | "uid", "gid", "owner", "group", "dev", "nlink", | |
1103 | "ctime", "mtime", "atime", "cdate", "mdate", "adate", |
|
1103 | "ctime", "mtime", "atime", "cdate", "mdate", "adate", | |
1104 | "size", "blocks", "blksize", "isdir()", "islink()", |
|
1104 | "size", "blocks", "blksize", "isdir()", "islink()", | |
1105 | "mimetype", "encoding" |
|
1105 | "mimetype", "encoding" | |
1106 | ) |
|
1106 | ) | |
1107 | return self.defaultattrs |
|
1107 | return self.defaultattrs | |
1108 |
|
1108 | |||
1109 | def __xrepr__(self, mode): |
|
1109 | def __xrepr__(self, mode): | |
1110 | yield (-1, True) |
|
1110 | yield (-1, True) | |
1111 | try: |
|
1111 | try: | |
1112 | if self.isdir(): |
|
1112 | if self.isdir(): | |
1113 | name = "idir" |
|
1113 | name = "idir" | |
1114 | style = style_dir |
|
1114 | style = style_dir | |
1115 | else: |
|
1115 | else: | |
1116 | name = "ifile" |
|
1116 | name = "ifile" | |
1117 | style = style_file |
|
1117 | style = style_file | |
1118 | except IOError: |
|
1118 | except IOError: | |
1119 | name = "ifile" |
|
1119 | name = "ifile" | |
1120 | style = style_default |
|
1120 | style = style_default | |
1121 | if mode == "cell" or mode in "header" or mode == "footer": |
|
1121 | if mode == "cell" or mode in "header" or mode == "footer": | |
1122 | abspath = repr(path._base(self.normpath())) |
|
1122 | abspath = repr(path._base(self.normpath())) | |
1123 | if abspath.startswith("u"): |
|
1123 | if abspath.startswith("u"): | |
1124 | abspath = abspath[2:-1] |
|
1124 | abspath = abspath[2:-1] | |
1125 | else: |
|
1125 | else: | |
1126 | abspath = abspath[1:-1] |
|
1126 | abspath = abspath[1:-1] | |
1127 | if mode == "cell": |
|
1127 | if mode == "cell": | |
1128 | yield (style, abspath) |
|
1128 | yield (style, abspath) | |
1129 | else: |
|
1129 | else: | |
1130 | yield (style, "%s(%s)" % (name, abspath)) |
|
1130 | yield (style, "%s(%s)" % (name, abspath)) | |
1131 | else: |
|
1131 | else: | |
1132 | yield (style, repr(self)) |
|
1132 | yield (style, repr(self)) | |
1133 |
|
1133 | |||
1134 | def __xiter__(self, mode): |
|
1134 | def __xiter__(self, mode): | |
1135 | if self.isdir(): |
|
1135 | if self.isdir(): | |
1136 | yield iparentdir(self / os.pardir) |
|
1136 | yield iparentdir(self / os.pardir) | |
1137 | for child in sorted(self.listdir()): |
|
1137 | for child in sorted(self.listdir()): | |
1138 | yield child |
|
1138 | yield child | |
1139 | else: |
|
1139 | else: | |
1140 | f = self.open("rb") |
|
1140 | f = self.open("rb") | |
1141 | for line in f: |
|
1141 | for line in f: | |
1142 | yield line |
|
1142 | yield line | |
1143 | f.close() |
|
1143 | f.close() | |
1144 |
|
1144 | |||
1145 |
|
1145 | |||
1146 | class iparentdir(ifile): |
|
1146 | class iparentdir(ifile): | |
1147 | def __xrepr__(self, mode): |
|
1147 | def __xrepr__(self, mode): | |
1148 | yield (-1, True) |
|
1148 | yield (-1, True) | |
1149 | if mode == "cell": |
|
1149 | if mode == "cell": | |
1150 | yield (style_dir, os.pardir) |
|
1150 | yield (style_dir, os.pardir) | |
1151 | else: |
|
1151 | else: | |
1152 | for part in ifile.__xrepr__(self, mode): |
|
1152 | for part in ifile.__xrepr__(self, mode): | |
1153 | yield part |
|
1153 | yield part | |
1154 |
|
1154 | |||
1155 |
|
1155 | |||
1156 | class ils(Table): |
|
1156 | class ils(Table): | |
1157 | """ |
|
1157 | """ | |
1158 | This ``Table`` lists a directory. |
|
1158 | This ``Table`` lists a directory. | |
1159 | """ |
|
1159 | """ | |
1160 | def __init__(self, base=os.curdir): |
|
1160 | def __init__(self, base=os.curdir): | |
1161 | self.base = os.path.expanduser(base) |
|
1161 | self.base = os.path.expanduser(base) | |
1162 |
|
1162 | |||
1163 | def __xiter__(self, mode): |
|
1163 | def __xiter__(self, mode): | |
1164 | return xiter(ifile(self.base), mode) |
|
1164 | return xiter(ifile(self.base), mode) | |
1165 |
|
1165 | |||
1166 | def __xrepr__(self, mode): |
|
1166 | def __xrepr__(self, mode): | |
1167 | return ifile(self.base).__xrepr__(mode) |
|
1167 | return ifile(self.base).__xrepr__(mode) | |
1168 |
|
1168 | |||
1169 | def __repr__(self): |
|
1169 | def __repr__(self): | |
1170 | return "%s.%s(%r)" % \ |
|
1170 | return "%s.%s(%r)" % \ | |
1171 | (self.__class__.__module__, self.__class__.__name__, self.base) |
|
1171 | (self.__class__.__module__, self.__class__.__name__, self.base) | |
1172 |
|
1172 | |||
1173 |
|
1173 | |||
1174 | class iglob(Table): |
|
1174 | class iglob(Table): | |
1175 | """ |
|
1175 | """ | |
1176 | This `Table`` lists all files and directories matching a specified pattern. |
|
1176 | This `Table`` lists all files and directories matching a specified pattern. | |
1177 | (See ``glob.glob()`` for more info.) |
|
1177 | (See ``glob.glob()`` for more info.) | |
1178 | """ |
|
1178 | """ | |
1179 | def __init__(self, glob): |
|
1179 | def __init__(self, glob): | |
1180 | self.glob = glob |
|
1180 | self.glob = glob | |
1181 |
|
1181 | |||
1182 | def __xiter__(self, mode): |
|
1182 | def __xiter__(self, mode): | |
1183 | for name in glob.glob(self.glob): |
|
1183 | for name in glob.glob(self.glob): | |
1184 | yield ifile(name) |
|
1184 | yield ifile(name) | |
1185 |
|
1185 | |||
1186 | def __xrepr__(self, mode): |
|
1186 | def __xrepr__(self, mode): | |
1187 | yield (-1, True) |
|
1187 | yield (-1, True) | |
1188 | if mode == "header" or mode == "footer" or mode == "cell": |
|
1188 | if mode == "header" or mode == "footer" or mode == "cell": | |
1189 | yield (style_default, "%s(%r)" % (self.__class__.__name__, self.glob)) |
|
1189 | yield (style_default, "%s(%r)" % (self.__class__.__name__, self.glob)) | |
1190 | else: |
|
1190 | else: | |
1191 | yield (style_default, repr(self)) |
|
1191 | yield (style_default, repr(self)) | |
1192 |
|
1192 | |||
1193 | def __repr__(self): |
|
1193 | def __repr__(self): | |
1194 | return "%s.%s(%r)" % \ |
|
1194 | return "%s.%s(%r)" % \ | |
1195 | (self.__class__.__module__, self.__class__.__name__, self.glob) |
|
1195 | (self.__class__.__module__, self.__class__.__name__, self.glob) | |
1196 |
|
1196 | |||
1197 |
|
1197 | |||
1198 | class iwalk(Table): |
|
1198 | class iwalk(Table): | |
1199 | """ |
|
1199 | """ | |
1200 | This `Table`` lists all files and directories in a directory and it's |
|
1200 | This `Table`` lists all files and directories in a directory and it's | |
1201 | subdirectory. |
|
1201 | subdirectory. | |
1202 | """ |
|
1202 | """ | |
1203 | def __init__(self, base=os.curdir, dirs=True, files=True): |
|
1203 | def __init__(self, base=os.curdir, dirs=True, files=True): | |
1204 | self.base = os.path.expanduser(base) |
|
1204 | self.base = os.path.expanduser(base) | |
1205 | self.dirs = dirs |
|
1205 | self.dirs = dirs | |
1206 | self.files = files |
|
1206 | self.files = files | |
1207 |
|
1207 | |||
1208 | def __xiter__(self, mode): |
|
1208 | def __xiter__(self, mode): | |
1209 | for (dirpath, dirnames, filenames) in os.walk(self.base): |
|
1209 | for (dirpath, dirnames, filenames) in os.walk(self.base): | |
1210 | if self.dirs: |
|
1210 | if self.dirs: | |
1211 | for name in sorted(dirnames): |
|
1211 | for name in sorted(dirnames): | |
1212 | yield ifile(os.path.join(dirpath, name)) |
|
1212 | yield ifile(os.path.join(dirpath, name)) | |
1213 | if self.files: |
|
1213 | if self.files: | |
1214 | for name in sorted(filenames): |
|
1214 | for name in sorted(filenames): | |
1215 | yield ifile(os.path.join(dirpath, name)) |
|
1215 | yield ifile(os.path.join(dirpath, name)) | |
1216 |
|
1216 | |||
1217 | def __xrepr__(self, mode): |
|
1217 | def __xrepr__(self, mode): | |
1218 | yield (-1, True) |
|
1218 | yield (-1, True) | |
1219 | if mode == "header" or mode == "footer" or mode == "cell": |
|
1219 | if mode == "header" or mode == "footer" or mode == "cell": | |
1220 | yield (style_default, "%s(%r)" % (self.__class__.__name__, self.base)) |
|
1220 | yield (style_default, "%s(%r)" % (self.__class__.__name__, self.base)) | |
1221 | else: |
|
1221 | else: | |
1222 | yield (style_default, repr(self)) |
|
1222 | yield (style_default, repr(self)) | |
1223 |
|
1223 | |||
1224 | def __repr__(self): |
|
1224 | def __repr__(self): | |
1225 | return "%s.%s(%r)" % \ |
|
1225 | return "%s.%s(%r)" % \ | |
1226 | (self.__class__.__module__, self.__class__.__name__, self.base) |
|
1226 | (self.__class__.__module__, self.__class__.__name__, self.base) | |
1227 |
|
1227 | |||
1228 |
|
1228 | |||
1229 | class ipwdentry(object): |
|
1229 | class ipwdentry(object): | |
1230 | """ |
|
1230 | """ | |
1231 | ``ipwdentry`` objects encapsulate entries in the Unix user account and |
|
1231 | ``ipwdentry`` objects encapsulate entries in the Unix user account and | |
1232 | password database. |
|
1232 | password database. | |
1233 | """ |
|
1233 | """ | |
1234 | def __init__(self, id): |
|
1234 | def __init__(self, id): | |
1235 | self._id = id |
|
1235 | self._id = id | |
1236 | self._entry = None |
|
1236 | self._entry = None | |
1237 |
|
1237 | |||
1238 | def _getentry(self): |
|
1238 | def _getentry(self): | |
1239 | if self._entry is None: |
|
1239 | if self._entry is None: | |
1240 | if isinstance(self._id, basestring): |
|
1240 | if isinstance(self._id, basestring): | |
1241 | self._entry = pwd.getpwnam(self._id) |
|
1241 | self._entry = pwd.getpwnam(self._id) | |
1242 | else: |
|
1242 | else: | |
1243 | self._entry = pwd.getpwuid(self._id) |
|
1243 | self._entry = pwd.getpwuid(self._id) | |
1244 | return self._entry |
|
1244 | return self._entry | |
1245 |
|
1245 | |||
1246 | def getname(self): |
|
1246 | def getname(self): | |
1247 | if isinstance(self._id, basestring): |
|
1247 | if isinstance(self._id, basestring): | |
1248 | return self._id |
|
1248 | return self._id | |
1249 | else: |
|
1249 | else: | |
1250 | return self._getentry().pw_name |
|
1250 | return self._getentry().pw_name | |
1251 | name = property(getname, None, None, "User name") |
|
1251 | name = property(getname, None, None, "User name") | |
1252 |
|
1252 | |||
1253 | def getpasswd(self): |
|
1253 | def getpasswd(self): | |
1254 | return self._getentry().pw_passwd |
|
1254 | return self._getentry().pw_passwd | |
1255 | passwd = property(getpasswd, None, None, "Password") |
|
1255 | passwd = property(getpasswd, None, None, "Password") | |
1256 |
|
1256 | |||
1257 | def getuid(self): |
|
1257 | def getuid(self): | |
1258 | if isinstance(self._id, basestring): |
|
1258 | if isinstance(self._id, basestring): | |
1259 | return self._getentry().pw_uid |
|
1259 | return self._getentry().pw_uid | |
1260 | else: |
|
1260 | else: | |
1261 | return self._id |
|
1261 | return self._id | |
1262 | uid = property(getuid, None, None, "User id") |
|
1262 | uid = property(getuid, None, None, "User id") | |
1263 |
|
1263 | |||
1264 | def getgid(self): |
|
1264 | def getgid(self): | |
1265 | return self._getentry().pw_gid |
|
1265 | return self._getentry().pw_gid | |
1266 | gid = property(getgid, None, None, "Primary group id") |
|
1266 | gid = property(getgid, None, None, "Primary group id") | |
1267 |
|
1267 | |||
1268 | def getgroup(self): |
|
1268 | def getgroup(self): | |
1269 | return igrpentry(self.gid) |
|
1269 | return igrpentry(self.gid) | |
1270 | group = property(getgroup, None, None, "Group") |
|
1270 | group = property(getgroup, None, None, "Group") | |
1271 |
|
1271 | |||
1272 | def getgecos(self): |
|
1272 | def getgecos(self): | |
1273 | return self._getentry().pw_gecos |
|
1273 | return self._getentry().pw_gecos | |
1274 | gecos = property(getgecos, None, None, "Information (e.g. full user name)") |
|
1274 | gecos = property(getgecos, None, None, "Information (e.g. full user name)") | |
1275 |
|
1275 | |||
1276 | def getdir(self): |
|
1276 | def getdir(self): | |
1277 | return self._getentry().pw_dir |
|
1277 | return self._getentry().pw_dir | |
1278 | dir = property(getdir, None, None, "$HOME directory") |
|
1278 | dir = property(getdir, None, None, "$HOME directory") | |
1279 |
|
1279 | |||
1280 | def getshell(self): |
|
1280 | def getshell(self): | |
1281 | return self._getentry().pw_shell |
|
1281 | return self._getentry().pw_shell | |
1282 | shell = property(getshell, None, None, "Login shell") |
|
1282 | shell = property(getshell, None, None, "Login shell") | |
1283 |
|
1283 | |||
1284 | def __xattrs__(self, mode): |
|
1284 | def __xattrs__(self, mode): | |
1285 | return ("name", "passwd", "uid", "gid", "gecos", "dir", "shell") |
|
1285 | return ("name", "passwd", "uid", "gid", "gecos", "dir", "shell") | |
1286 |
|
1286 | |||
1287 | def __repr__(self): |
|
1287 | def __repr__(self): | |
1288 | return "%s.%s(%r)" % \ |
|
1288 | return "%s.%s(%r)" % \ | |
1289 | (self.__class__.__module__, self.__class__.__name__, self._id) |
|
1289 | (self.__class__.__module__, self.__class__.__name__, self._id) | |
1290 |
|
1290 | |||
1291 |
|
1291 | |||
1292 | class ipwd(Table): |
|
1292 | class ipwd(Table): | |
1293 | """ |
|
1293 | """ | |
1294 | This ``Table`` lists all entries in the Unix user account and password |
|
1294 | This ``Table`` lists all entries in the Unix user account and password | |
1295 | database. |
|
1295 | database. | |
1296 | """ |
|
1296 | """ | |
1297 | def __iter__(self): |
|
1297 | def __iter__(self): | |
1298 | for entry in pwd.getpwall(): |
|
1298 | for entry in pwd.getpwall(): | |
1299 | yield ipwdentry(entry.pw_name) |
|
1299 | yield ipwdentry(entry.pw_name) | |
1300 |
|
1300 | |||
1301 | def __xrepr__(self, mode): |
|
1301 | def __xrepr__(self, mode): | |
1302 | yield (-1, True) |
|
1302 | yield (-1, True) | |
1303 | if mode == "header" or mode == "footer" or mode == "cell": |
|
1303 | if mode == "header" or mode == "footer" or mode == "cell": | |
1304 | yield (style_default, "%s()" % self.__class__.__name__) |
|
1304 | yield (style_default, "%s()" % self.__class__.__name__) | |
1305 | else: |
|
1305 | else: | |
1306 | yield (style_default, repr(self)) |
|
1306 | yield (style_default, repr(self)) | |
1307 |
|
1307 | |||
1308 |
|
1308 | |||
1309 | class igrpentry(object): |
|
1309 | class igrpentry(object): | |
1310 | """ |
|
1310 | """ | |
1311 | ``igrpentry`` objects encapsulate entries in the Unix group database. |
|
1311 | ``igrpentry`` objects encapsulate entries in the Unix group database. | |
1312 | """ |
|
1312 | """ | |
1313 | def __init__(self, id): |
|
1313 | def __init__(self, id): | |
1314 | self._id = id |
|
1314 | self._id = id | |
1315 | self._entry = None |
|
1315 | self._entry = None | |
1316 |
|
1316 | |||
1317 | def _getentry(self): |
|
1317 | def _getentry(self): | |
1318 | if self._entry is None: |
|
1318 | if self._entry is None: | |
1319 | if isinstance(self._id, basestring): |
|
1319 | if isinstance(self._id, basestring): | |
1320 | self._entry = grp.getgrnam(self._id) |
|
1320 | self._entry = grp.getgrnam(self._id) | |
1321 | else: |
|
1321 | else: | |
1322 | self._entry = grp.getgrgid(self._id) |
|
1322 | self._entry = grp.getgrgid(self._id) | |
1323 | return self._entry |
|
1323 | return self._entry | |
1324 |
|
1324 | |||
1325 | def getname(self): |
|
1325 | def getname(self): | |
1326 | if isinstance(self._id, basestring): |
|
1326 | if isinstance(self._id, basestring): | |
1327 | return self._id |
|
1327 | return self._id | |
1328 | else: |
|
1328 | else: | |
1329 | return self._getentry().gr_name |
|
1329 | return self._getentry().gr_name | |
1330 | name = property(getname, None, None, "Group name") |
|
1330 | name = property(getname, None, None, "Group name") | |
1331 |
|
1331 | |||
1332 | def getpasswd(self): |
|
1332 | def getpasswd(self): | |
1333 | return self._getentry().gr_passwd |
|
1333 | return self._getentry().gr_passwd | |
1334 | passwd = property(getpasswd, None, None, "Password") |
|
1334 | passwd = property(getpasswd, None, None, "Password") | |
1335 |
|
1335 | |||
1336 | def getgid(self): |
|
1336 | def getgid(self): | |
1337 | if isinstance(self._id, basestring): |
|
1337 | if isinstance(self._id, basestring): | |
1338 | return self._getentry().gr_gid |
|
1338 | return self._getentry().gr_gid | |
1339 | else: |
|
1339 | else: | |
1340 | return self._id |
|
1340 | return self._id | |
1341 | gid = property(getgid, None, None, "Group id") |
|
1341 | gid = property(getgid, None, None, "Group id") | |
1342 |
|
1342 | |||
1343 | def getmem(self): |
|
1343 | def getmem(self): | |
1344 | return self._getentry().gr_mem |
|
1344 | return self._getentry().gr_mem | |
1345 | mem = property(getmem, None, None, "Members") |
|
1345 | mem = property(getmem, None, None, "Members") | |
1346 |
|
1346 | |||
1347 | def __xattrs__(self, mode): |
|
1347 | def __xattrs__(self, mode): | |
1348 | return ("name", "passwd", "gid", "mem") |
|
1348 | return ("name", "passwd", "gid", "mem") | |
1349 |
|
1349 | |||
1350 | def __xrepr__(self, mode): |
|
1350 | def __xrepr__(self, mode): | |
1351 | yield (-1, True) |
|
1351 | yield (-1, True) | |
1352 | if mode == "header" or mode == "footer" or mode == "cell": |
|
1352 | if mode == "header" or mode == "footer" or mode == "cell": | |
1353 | yield (style_default, "group ") |
|
1353 | yield (style_default, "group ") | |
1354 | try: |
|
1354 | try: | |
1355 | yield (style_default, self.name) |
|
1355 | yield (style_default, self.name) | |
1356 | except KeyError: |
|
1356 | except KeyError: | |
1357 | if isinstance(self._id, basestring): |
|
1357 | if isinstance(self._id, basestring): | |
1358 | yield (style_default, self.name_id) |
|
1358 | yield (style_default, self.name_id) | |
1359 | else: |
|
1359 | else: | |
1360 | yield (style_type_number, str(self._id)) |
|
1360 | yield (style_type_number, str(self._id)) | |
1361 | else: |
|
1361 | else: | |
1362 | yield (style_default, repr(self)) |
|
1362 | yield (style_default, repr(self)) | |
1363 |
|
1363 | |||
1364 | def __xiter__(self, mode): |
|
1364 | def __xiter__(self, mode): | |
1365 | for member in self.mem: |
|
1365 | for member in self.mem: | |
1366 | yield ipwdentry(member) |
|
1366 | yield ipwdentry(member) | |
1367 |
|
1367 | |||
1368 | def __repr__(self): |
|
1368 | def __repr__(self): | |
1369 | return "%s.%s(%r)" % \ |
|
1369 | return "%s.%s(%r)" % \ | |
1370 | (self.__class__.__module__, self.__class__.__name__, self._id) |
|
1370 | (self.__class__.__module__, self.__class__.__name__, self._id) | |
1371 |
|
1371 | |||
1372 |
|
1372 | |||
1373 | class igrp(Table): |
|
1373 | class igrp(Table): | |
1374 | """ |
|
1374 | """ | |
1375 | This ``Table`` lists all entries in the Unix group database. |
|
1375 | This ``Table`` lists all entries in the Unix group database. | |
1376 | """ |
|
1376 | """ | |
1377 | def __xiter__(self, mode): |
|
1377 | def __xiter__(self, mode): | |
1378 | for entry in grp.getgrall(): |
|
1378 | for entry in grp.getgrall(): | |
1379 | yield igrpentry(entry.gr_name) |
|
1379 | yield igrpentry(entry.gr_name) | |
1380 |
|
1380 | |||
1381 | def __xrepr__(self, mode): |
|
1381 | def __xrepr__(self, mode): | |
1382 | yield (-1, False) |
|
1382 | yield (-1, False) | |
1383 | if mode == "header" or mode == "footer": |
|
1383 | if mode == "header" or mode == "footer": | |
1384 | yield (style_default, "%s()" % self.__class__.__name__) |
|
1384 | yield (style_default, "%s()" % self.__class__.__name__) | |
1385 | else: |
|
1385 | else: | |
1386 | yield (style_default, repr(self)) |
|
1386 | yield (style_default, repr(self)) | |
1387 |
|
1387 | |||
1388 |
|
1388 | |||
1389 | class Fields(object): |
|
1389 | class Fields(object): | |
1390 | def __init__(self, fieldnames, **fields): |
|
1390 | def __init__(self, fieldnames, **fields): | |
1391 | self.__fieldnames = fieldnames |
|
1391 | self.__fieldnames = fieldnames | |
1392 | for (key, value) in fields.iteritems(): |
|
1392 | for (key, value) in fields.iteritems(): | |
1393 | setattr(self, key, value) |
|
1393 | setattr(self, key, value) | |
1394 |
|
1394 | |||
1395 | def __xattrs__(self, mode): |
|
1395 | def __xattrs__(self, mode): | |
1396 | return self.__fieldnames |
|
1396 | return self.__fieldnames | |
1397 |
|
1397 | |||
1398 | def __xrepr__(self, mode): |
|
1398 | def __xrepr__(self, mode): | |
1399 | yield (-1, False) |
|
1399 | yield (-1, False) | |
1400 | if mode == "header" or mode == "cell": |
|
1400 | if mode == "header" or mode == "cell": | |
1401 | yield (style_default, self.__class__.__name__) |
|
1401 | yield (style_default, self.__class__.__name__) | |
1402 | yield (style_default, "(") |
|
1402 | yield (style_default, "(") | |
1403 | for (i, f) in enumerate(self.__fieldnames): |
|
1403 | for (i, f) in enumerate(self.__fieldnames): | |
1404 | if i: |
|
1404 | if i: | |
1405 | yield (style_default, ", ") |
|
1405 | yield (style_default, ", ") | |
1406 | yield (style_default, f) |
|
1406 | yield (style_default, f) | |
1407 | yield (style_default, "=") |
|
1407 | yield (style_default, "=") | |
1408 | for part in xrepr(getattr(self, f), "default"): |
|
1408 | for part in xrepr(getattr(self, f), "default"): | |
1409 | yield part |
|
1409 | yield part | |
1410 | yield (style_default, ")") |
|
1410 | yield (style_default, ")") | |
1411 | elif mode == "footer": |
|
1411 | elif mode == "footer": | |
1412 | yield (style_default, self.__class__.__name__) |
|
1412 | yield (style_default, self.__class__.__name__) | |
1413 | yield (style_default, "(") |
|
1413 | yield (style_default, "(") | |
1414 | for (i, f) in enumerate(self.__fieldnames): |
|
1414 | for (i, f) in enumerate(self.__fieldnames): | |
1415 | if i: |
|
1415 | if i: | |
1416 | yield (style_default, ", ") |
|
1416 | yield (style_default, ", ") | |
1417 | yield (style_default, f) |
|
1417 | yield (style_default, f) | |
1418 | yield (style_default, ")") |
|
1418 | yield (style_default, ")") | |
1419 | else: |
|
1419 | else: | |
1420 | yield (style_default, repr(self)) |
|
1420 | yield (style_default, repr(self)) | |
1421 |
|
1421 | |||
1422 |
|
1422 | |||
1423 | class FieldTable(Table, list): |
|
1423 | class FieldTable(Table, list): | |
1424 | def __init__(self, *fields): |
|
1424 | def __init__(self, *fields): | |
1425 | Table.__init__(self) |
|
1425 | Table.__init__(self) | |
1426 | list.__init__(self) |
|
1426 | list.__init__(self) | |
1427 | self.fields = fields |
|
1427 | self.fields = fields | |
1428 |
|
1428 | |||
1429 | def add(self, **fields): |
|
1429 | def add(self, **fields): | |
1430 | self.append(Fields(self.fields, **fields)) |
|
1430 | self.append(Fields(self.fields, **fields)) | |
1431 |
|
1431 | |||
1432 | def __xiter__(self, mode): |
|
1432 | def __xiter__(self, mode): | |
1433 | return list.__iter__(self) |
|
1433 | return list.__iter__(self) | |
1434 |
|
1434 | |||
1435 | def __xrepr__(self, mode): |
|
1435 | def __xrepr__(self, mode): | |
1436 | yield (-1, False) |
|
1436 | yield (-1, False) | |
1437 | if mode == "header" or mode == "footer": |
|
1437 | if mode == "header" or mode == "footer": | |
1438 | yield (style_default, self.__class__.__name__) |
|
1438 | yield (style_default, self.__class__.__name__) | |
1439 | yield (style_default, "(") |
|
1439 | yield (style_default, "(") | |
1440 | for (i, f) in enumerate(self.__fieldnames): |
|
1440 | for (i, f) in enumerate(self.__fieldnames): | |
1441 | if i: |
|
1441 | if i: | |
1442 | yield (style_default, ", ") |
|
1442 | yield (style_default, ", ") | |
1443 | yield (style_default, f) |
|
1443 | yield (style_default, f) | |
1444 | yield (style_default, ")") |
|
1444 | yield (style_default, ")") | |
1445 | else: |
|
1445 | else: | |
1446 | yield (style_default, repr(self)) |
|
1446 | yield (style_default, repr(self)) | |
1447 |
|
1447 | |||
1448 | def __repr__(self): |
|
1448 | def __repr__(self): | |
1449 | return "<%s.%s object with fields=%r at 0x%x>" % \ |
|
1449 | return "<%s.%s object with fields=%r at 0x%x>" % \ | |
1450 | (self.__class__.__module__, self.__class__.__name__, |
|
1450 | (self.__class__.__module__, self.__class__.__name__, | |
1451 | ", ".join(map(repr, self.fields)), id(self)) |
|
1451 | ", ".join(map(repr, self.fields)), id(self)) | |
1452 |
|
1452 | |||
1453 |
|
1453 | |||
1454 | class List(list): |
|
1454 | class List(list): | |
1455 | def __xattrs__(self, mode): |
|
1455 | def __xattrs__(self, mode): | |
1456 | return xrange(len(self)) |
|
1456 | return xrange(len(self)) | |
1457 |
|
1457 | |||
1458 | def __xrepr__(self, mode): |
|
1458 | def __xrepr__(self, mode): | |
1459 | yield (-1, False) |
|
1459 | yield (-1, False) | |
1460 | if mode == "header" or mode == "cell" or mode == "footer" or mode == "default": |
|
1460 | if mode == "header" or mode == "cell" or mode == "footer" or mode == "default": | |
1461 | yield (style_default, self.__class__.__name__) |
|
1461 | yield (style_default, self.__class__.__name__) | |
1462 | yield (style_default, "(") |
|
1462 | yield (style_default, "(") | |
1463 | for (i, item) in enumerate(self): |
|
1463 | for (i, item) in enumerate(self): | |
1464 | if i: |
|
1464 | if i: | |
1465 | yield (style_default, ", ") |
|
1465 | yield (style_default, ", ") | |
1466 | for part in xrepr(item, "default"): |
|
1466 | for part in xrepr(item, "default"): | |
1467 | yield part |
|
1467 | yield part | |
1468 | yield (style_default, ")") |
|
1468 | yield (style_default, ")") | |
1469 | else: |
|
1469 | else: | |
1470 | yield (style_default, repr(self)) |
|
1470 | yield (style_default, repr(self)) | |
1471 |
|
1471 | |||
1472 |
|
1472 | |||
1473 | class ienv(Table): |
|
1473 | class ienv(Table): | |
1474 | """ |
|
1474 | """ | |
1475 | This ``Table`` lists environment variables. |
|
1475 | This ``Table`` lists environment variables. | |
1476 | """ |
|
1476 | """ | |
1477 |
|
1477 | |||
1478 | def __xiter__(self, mode): |
|
1478 | def __xiter__(self, mode): | |
1479 | fields = ("key", "value") |
|
1479 | fields = ("key", "value") | |
1480 | for (key, value) in os.environ.iteritems(): |
|
1480 | for (key, value) in os.environ.iteritems(): | |
1481 | yield Fields(fields, key=key, value=value) |
|
1481 | yield Fields(fields, key=key, value=value) | |
1482 |
|
1482 | |||
1483 | def __xrepr__(self, mode): |
|
1483 | def __xrepr__(self, mode): | |
1484 | yield (-1, True) |
|
1484 | yield (-1, True) | |
1485 | if mode == "header" or mode == "cell": |
|
1485 | if mode == "header" or mode == "cell": | |
1486 | yield (style_default, "%s()" % self.__class__.__name__) |
|
1486 | yield (style_default, "%s()" % self.__class__.__name__) | |
1487 | else: |
|
1487 | else: | |
1488 | yield (style_default, repr(self)) |
|
1488 | yield (style_default, repr(self)) | |
1489 |
|
1489 | |||
1490 |
|
1490 | |||
1491 | class icsv(Pipe): |
|
1491 | class icsv(Pipe): | |
1492 | """ |
|
1492 | """ | |
1493 | This ``Pipe`` lists turn the input (with must be a pipe outputting lines |
|
1493 | This ``Pipe`` lists turn the input (with must be a pipe outputting lines | |
1494 | or an ``ifile``) into lines of CVS columns. |
|
1494 | or an ``ifile``) into lines of CVS columns. | |
1495 | """ |
|
1495 | """ | |
1496 | def __init__(self, **csvargs): |
|
1496 | def __init__(self, **csvargs): | |
1497 | """ |
|
1497 | """ | |
1498 | Create an ``icsv`` object. ``cvsargs`` will be passed through as |
|
1498 | Create an ``icsv`` object. ``cvsargs`` will be passed through as | |
1499 | keyword arguments to ``cvs.reader()``. |
|
1499 | keyword arguments to ``cvs.reader()``. | |
1500 | """ |
|
1500 | """ | |
1501 | self.csvargs = csvargs |
|
1501 | self.csvargs = csvargs | |
1502 |
|
1502 | |||
1503 | def __xiter__(self, mode): |
|
1503 | def __xiter__(self, mode): | |
1504 | input = self.input |
|
1504 | input = self.input | |
1505 | if isinstance(input, ifile): |
|
1505 | if isinstance(input, ifile): | |
1506 | input = input.open("rb") |
|
1506 | input = input.open("rb") | |
1507 | reader = csv.reader(input, **self.csvargs) |
|
1507 | reader = csv.reader(input, **self.csvargs) | |
1508 | for line in reader: |
|
1508 | for line in reader: | |
1509 | yield List(line) |
|
1509 | yield List(line) | |
1510 |
|
1510 | |||
1511 | def __xrepr__(self, mode): |
|
1511 | def __xrepr__(self, mode): | |
1512 | yield (-1, False) |
|
1512 | yield (-1, False) | |
1513 | if mode == "header" or mode == "footer": |
|
1513 | if mode == "header" or mode == "footer": | |
1514 | input = getattr(self, "input", None) |
|
1514 | input = getattr(self, "input", None) | |
1515 | if input is not None: |
|
1515 | if input is not None: | |
1516 | for part in xrepr(input, mode): |
|
1516 | for part in xrepr(input, mode): | |
1517 | yield part |
|
1517 | yield part | |
1518 | yield (style_default, " | ") |
|
1518 | yield (style_default, " | ") | |
1519 | yield (style_default, "%s(" % self.__class__.__name__) |
|
1519 | yield (style_default, "%s(" % self.__class__.__name__) | |
1520 | for (i, (name, value)) in enumerate(self.csvargs.iteritems()): |
|
1520 | for (i, (name, value)) in enumerate(self.csvargs.iteritems()): | |
1521 | if i: |
|
1521 | if i: | |
1522 | yield (style_default, ", ") |
|
1522 | yield (style_default, ", ") | |
1523 | yield (style_default, name) |
|
1523 | yield (style_default, name) | |
1524 | yield (style_default, "=") |
|
1524 | yield (style_default, "=") | |
1525 | for part in xrepr(value, "default"): |
|
1525 | for part in xrepr(value, "default"): | |
1526 | yield part |
|
1526 | yield part | |
1527 | yield (style_default, ")") |
|
1527 | yield (style_default, ")") | |
1528 | else: |
|
1528 | else: | |
1529 | yield (style_default, repr(self)) |
|
1529 | yield (style_default, repr(self)) | |
1530 |
|
1530 | |||
1531 | def __repr__(self): |
|
1531 | def __repr__(self): | |
1532 | args = ", ".join(["%s=%r" % item for item in self.csvargs.iteritems()]) |
|
1532 | args = ", ".join(["%s=%r" % item for item in self.csvargs.iteritems()]) | |
1533 | return "<%s.%s %s at 0x%x>" % \ |
|
1533 | return "<%s.%s %s at 0x%x>" % \ | |
1534 | (self.__class__.__module__, self.__class__.__name__, args, id(self)) |
|
1534 | (self.__class__.__module__, self.__class__.__name__, args, id(self)) | |
1535 |
|
1535 | |||
1536 |
|
1536 | |||
1537 | class ix(Table): |
|
1537 | class ix(Table): | |
1538 | """ |
|
1538 | """ | |
1539 | This ``Table`` executes a system command and lists its output as lines |
|
1539 | This ``Table`` executes a system command and lists its output as lines | |
1540 | (similar to ``os.popen()``). |
|
1540 | (similar to ``os.popen()``). | |
1541 | """ |
|
1541 | """ | |
1542 | def __init__(self, cmd): |
|
1542 | def __init__(self, cmd): | |
1543 | self.cmd = cmd |
|
1543 | self.cmd = cmd | |
1544 | self._pipe = None |
|
1544 | self._pipe = None | |
1545 |
|
1545 | |||
1546 | def __xiter__(self, mode): |
|
1546 | def __xiter__(self, mode): | |
1547 | self._pipe = os.popen(self.cmd) |
|
1547 | self._pipe = os.popen(self.cmd) | |
1548 | for l in self._pipe: |
|
1548 | for l in self._pipe: | |
1549 | yield l.rstrip("\r\n") |
|
1549 | yield l.rstrip("\r\n") | |
1550 | self._pipe.close() |
|
1550 | self._pipe.close() | |
1551 | self._pipe = None |
|
1551 | self._pipe = None | |
1552 |
|
1552 | |||
1553 | def __del__(self): |
|
1553 | def __del__(self): | |
1554 | if self._pipe is not None and not self._pipe.closed: |
|
1554 | if self._pipe is not None and not self._pipe.closed: | |
1555 | self._pipe.close() |
|
1555 | self._pipe.close() | |
1556 | self._pipe = None |
|
1556 | self._pipe = None | |
1557 |
|
1557 | |||
1558 | def __xrepr__(self, mode): |
|
1558 | def __xrepr__(self, mode): | |
1559 | yield (-1, True) |
|
1559 | yield (-1, True) | |
1560 | if mode == "header" or mode == "footer": |
|
1560 | if mode == "header" or mode == "footer": | |
1561 | yield (style_default, "%s(%r)" % (self.__class__.__name__, self.cmd)) |
|
1561 | yield (style_default, "%s(%r)" % (self.__class__.__name__, self.cmd)) | |
1562 | else: |
|
1562 | else: | |
1563 | yield (style_default, repr(self)) |
|
1563 | yield (style_default, repr(self)) | |
1564 |
|
1564 | |||
1565 | def __repr__(self): |
|
1565 | def __repr__(self): | |
1566 | return "%s.%s(%r)" % \ |
|
1566 | return "%s.%s(%r)" % \ | |
1567 | (self.__class__.__module__, self.__class__.__name__, self.cmd) |
|
1567 | (self.__class__.__module__, self.__class__.__name__, self.cmd) | |
1568 |
|
1568 | |||
1569 |
|
1569 | |||
1570 | class ifilter(Pipe): |
|
1570 | class ifilter(Pipe): | |
1571 | """ |
|
1571 | """ | |
1572 | This ``Pipe`` filters an input pipe. Only objects where an expression |
|
1572 | This ``Pipe`` filters an input pipe. Only objects where an expression | |
1573 | evaluates to true (and doesn't raise an exception) are listed. |
|
1573 | evaluates to true (and doesn't raise an exception) are listed. | |
1574 | """ |
|
1574 | """ | |
1575 |
|
1575 | |||
1576 | def __init__(self, expr, errors="raiseifallfail"): |
|
1576 | def __init__(self, expr, errors="raiseifallfail"): | |
1577 | """ |
|
1577 | """ | |
1578 | Create an ``ifilter`` object. ``expr`` can be a callable or a string |
|
1578 | Create an ``ifilter`` object. ``expr`` can be a callable or a string | |
1579 | containing an expression. ``errors`` specifies how exception during |
|
1579 | containing an expression. ``errors`` specifies how exception during | |
1580 | evaluation of ``expr`` are handled: |
|
1580 | evaluation of ``expr`` are handled: | |
1581 |
|
1581 | |||
1582 | * ``drop``: drop all items that have errors; |
|
1582 | * ``drop``: drop all items that have errors; | |
1583 |
|
1583 | |||
1584 | * ``keep``: keep all items that have errors; |
|
1584 | * ``keep``: keep all items that have errors; | |
1585 |
|
1585 | |||
1586 | * ``keeperror``: keep the exception of all items that have errors; |
|
1586 | * ``keeperror``: keep the exception of all items that have errors; | |
1587 |
|
1587 | |||
1588 | * ``raise``: raise the exception; |
|
1588 | * ``raise``: raise the exception; | |
1589 |
|
1589 | |||
1590 | * ``raiseifallfail``: raise the first exception if all items have errors; |
|
1590 | * ``raiseifallfail``: raise the first exception if all items have errors; | |
1591 | otherwise drop those with errors (this is the default). |
|
1591 | otherwise drop those with errors (this is the default). | |
1592 | """ |
|
1592 | """ | |
1593 | self.expr = expr |
|
1593 | self.expr = expr | |
1594 | self.errors = errors |
|
1594 | self.errors = errors | |
1595 |
|
1595 | |||
1596 | def __xiter__(self, mode): |
|
1596 | def __xiter__(self, mode): | |
1597 | if callable(self.expr): |
|
1597 | if callable(self.expr): | |
1598 | def test(item): |
|
1598 | def test(item): | |
1599 | return self.expr(item) |
|
1599 | return self.expr(item) | |
1600 | else: |
|
1600 | else: | |
1601 | def test(item): |
|
1601 | def test(item): | |
1602 | return eval(self.expr, globals(), _AttrNamespace(item)) |
|
1602 | return eval(self.expr, globals(), _AttrNamespace(item)) | |
1603 |
|
1603 | |||
1604 | ok = 0 |
|
1604 | ok = 0 | |
1605 | exc_info = None |
|
1605 | exc_info = None | |
1606 | for item in xiter(self.input, mode): |
|
1606 | for item in xiter(self.input, mode): | |
1607 | try: |
|
1607 | try: | |
1608 | if test(item): |
|
1608 | if test(item): | |
1609 | yield item |
|
1609 | yield item | |
1610 | ok += 1 |
|
1610 | ok += 1 | |
1611 | except (KeyboardInterrupt, SystemExit): |
|
1611 | except (KeyboardInterrupt, SystemExit): | |
1612 | raise |
|
1612 | raise | |
1613 | except Exception, exc: |
|
1613 | except Exception, exc: | |
1614 | if self.errors == "drop": |
|
1614 | if self.errors == "drop": | |
1615 | pass # Ignore errors |
|
1615 | pass # Ignore errors | |
1616 | elif self.errors == "keep": |
|
1616 | elif self.errors == "keep": | |
1617 | yield item |
|
1617 | yield item | |
1618 | elif self.errors == "keeperror": |
|
1618 | elif self.errors == "keeperror": | |
1619 | yield exc |
|
1619 | yield exc | |
1620 | elif self.errors == "raise": |
|
1620 | elif self.errors == "raise": | |
1621 | raise |
|
1621 | raise | |
1622 | elif self.errors == "raiseifallfail": |
|
1622 | elif self.errors == "raiseifallfail": | |
1623 | if exc_info is None: |
|
1623 | if exc_info is None: | |
1624 | exc_info = sys.exc_info() |
|
1624 | exc_info = sys.exc_info() | |
1625 | if not ok and exc_info is not None: |
|
1625 | if not ok and exc_info is not None: | |
1626 | raise exc_info[0], exc_info[1], exc_info[2] |
|
1626 | raise exc_info[0], exc_info[1], exc_info[2] | |
1627 |
|
1627 | |||
1628 | def __xrepr__(self, mode): |
|
1628 | def __xrepr__(self, mode): | |
1629 | yield (-1, True) |
|
1629 | yield (-1, True) | |
1630 | if mode == "header" or mode == "footer": |
|
1630 | if mode == "header" or mode == "footer": | |
1631 | input = getattr(self, "input", None) |
|
1631 | input = getattr(self, "input", None) | |
1632 | if input is not None: |
|
1632 | if input is not None: | |
1633 | for part in xrepr(input, mode): |
|
1633 | for part in xrepr(input, mode): | |
1634 | yield part |
|
1634 | yield part | |
1635 | yield (style_default, " | ") |
|
1635 | yield (style_default, " | ") | |
1636 | yield (style_default, "%s(" % self.__class__.__name__) |
|
1636 | yield (style_default, "%s(" % self.__class__.__name__) | |
1637 | for part in xrepr(self.expr, "default"): |
|
1637 | for part in xrepr(self.expr, "default"): | |
1638 | yield part |
|
1638 | yield part | |
1639 | yield (style_default, ")") |
|
1639 | yield (style_default, ")") | |
1640 | else: |
|
1640 | else: | |
1641 | yield (style_default, repr(self)) |
|
1641 | yield (style_default, repr(self)) | |
1642 |
|
1642 | |||
1643 | def __repr__(self): |
|
1643 | def __repr__(self): | |
1644 | return "<%s.%s expr=%r at 0x%x>" % \ |
|
1644 | return "<%s.%s expr=%r at 0x%x>" % \ | |
1645 | (self.__class__.__module__, self.__class__.__name__, |
|
1645 | (self.__class__.__module__, self.__class__.__name__, | |
1646 | self.expr, id(self)) |
|
1646 | self.expr, id(self)) | |
1647 |
|
1647 | |||
1648 |
|
1648 | |||
1649 | class ieval(Pipe): |
|
1649 | class ieval(Pipe): | |
1650 | """ |
|
1650 | """ | |
1651 | This ``Pipe`` evaluates an expression for each object in the input pipe. |
|
1651 | This ``Pipe`` evaluates an expression for each object in the input pipe. | |
1652 | """ |
|
1652 | """ | |
1653 |
|
1653 | |||
1654 | def __init__(self, expr, errors="raiseifallfail"): |
|
1654 | def __init__(self, expr, errors="raiseifallfail"): | |
1655 | """ |
|
1655 | """ | |
1656 | Create an ``ieval`` object. ``expr`` can be a callable or a string |
|
1656 | Create an ``ieval`` object. ``expr`` can be a callable or a string | |
1657 | containing an expression. For the meaning of ``errors`` see ``ifilter``. |
|
1657 | containing an expression. For the meaning of ``errors`` see ``ifilter``. | |
1658 | """ |
|
1658 | """ | |
1659 | self.expr = expr |
|
1659 | self.expr = expr | |
1660 | self.errors = errors |
|
1660 | self.errors = errors | |
1661 |
|
1661 | |||
1662 | def __xiter__(self, mode): |
|
1662 | def __xiter__(self, mode): | |
1663 | if callable(self.expr): |
|
1663 | if callable(self.expr): | |
1664 | def do(item): |
|
1664 | def do(item): | |
1665 | return self.expr(item) |
|
1665 | return self.expr(item) | |
1666 | else: |
|
1666 | else: | |
1667 | def do(item): |
|
1667 | def do(item): | |
1668 | return eval(self.expr, globals(), _AttrNamespace(item)) |
|
1668 | return eval(self.expr, globals(), _AttrNamespace(item)) | |
1669 |
|
1669 | |||
1670 | ok = 0 |
|
1670 | ok = 0 | |
1671 | exc_info = None |
|
1671 | exc_info = None | |
1672 | for item in xiter(self.input, mode): |
|
1672 | for item in xiter(self.input, mode): | |
1673 | try: |
|
1673 | try: | |
1674 | yield do(item) |
|
1674 | yield do(item) | |
1675 | except (KeyboardInterrupt, SystemExit): |
|
1675 | except (KeyboardInterrupt, SystemExit): | |
1676 | raise |
|
1676 | raise | |
1677 | except Exception, exc: |
|
1677 | except Exception, exc: | |
1678 | if self.errors == "drop": |
|
1678 | if self.errors == "drop": | |
1679 | pass # Ignore errors |
|
1679 | pass # Ignore errors | |
1680 | elif self.errors == "keep": |
|
1680 | elif self.errors == "keep": | |
1681 | yield item |
|
1681 | yield item | |
1682 | elif self.errors == "keeperror": |
|
1682 | elif self.errors == "keeperror": | |
1683 | yield exc |
|
1683 | yield exc | |
1684 | elif self.errors == "raise": |
|
1684 | elif self.errors == "raise": | |
1685 | raise |
|
1685 | raise | |
1686 | elif self.errors == "raiseifallfail": |
|
1686 | elif self.errors == "raiseifallfail": | |
1687 | if exc_info is None: |
|
1687 | if exc_info is None: | |
1688 | exc_info = sys.exc_info() |
|
1688 | exc_info = sys.exc_info() | |
1689 | if not ok and exc_info is not None: |
|
1689 | if not ok and exc_info is not None: | |
1690 | raise exc_info[0], exc_info[1], exc_info[2] |
|
1690 | raise exc_info[0], exc_info[1], exc_info[2] | |
1691 |
|
1691 | |||
1692 | def __xrepr__(self, mode): |
|
1692 | def __xrepr__(self, mode): | |
1693 | yield (-1, True) |
|
1693 | yield (-1, True) | |
1694 | if mode == "header" or mode == "footer": |
|
1694 | if mode == "header" or mode == "footer": | |
1695 | input = getattr(self, "input", None) |
|
1695 | input = getattr(self, "input", None) | |
1696 | if input is not None: |
|
1696 | if input is not None: | |
1697 | for part in xrepr(input, mode): |
|
1697 | for part in xrepr(input, mode): | |
1698 | yield part |
|
1698 | yield part | |
1699 | yield (style_default, " | ") |
|
1699 | yield (style_default, " | ") | |
1700 | yield (style_default, "%s(" % self.__class__.__name__) |
|
1700 | yield (style_default, "%s(" % self.__class__.__name__) | |
1701 | for part in xrepr(self.expr, "default"): |
|
1701 | for part in xrepr(self.expr, "default"): | |
1702 | yield part |
|
1702 | yield part | |
1703 | yield (style_default, ")") |
|
1703 | yield (style_default, ")") | |
1704 | else: |
|
1704 | else: | |
1705 | yield (style_default, repr(self)) |
|
1705 | yield (style_default, repr(self)) | |
1706 |
|
1706 | |||
1707 | def __repr__(self): |
|
1707 | def __repr__(self): | |
1708 | return "<%s.%s expr=%r at 0x%x>" % \ |
|
1708 | return "<%s.%s expr=%r at 0x%x>" % \ | |
1709 | (self.__class__.__module__, self.__class__.__name__, |
|
1709 | (self.__class__.__module__, self.__class__.__name__, | |
1710 | self.expr, id(self)) |
|
1710 | self.expr, id(self)) | |
1711 |
|
1711 | |||
1712 |
|
1712 | |||
1713 | class ienum(Pipe): |
|
1713 | class ienum(Pipe): | |
1714 | def __xiter__(self, mode): |
|
1714 | def __xiter__(self, mode): | |
1715 | fields = ("index", "object") |
|
1715 | fields = ("index", "object") | |
1716 | for (index, object) in enumerate(xiter(self.input, mode)): |
|
1716 | for (index, object) in enumerate(xiter(self.input, mode)): | |
1717 | yield Fields(fields, index=index, object=object) |
|
1717 | yield Fields(fields, index=index, object=object) | |
1718 |
|
1718 | |||
1719 |
|
1719 | |||
1720 | class isort(Pipe): |
|
1720 | class isort(Pipe): | |
1721 | """ |
|
1721 | """ | |
1722 | This ``Pipe`` sorts its input pipe. |
|
1722 | This ``Pipe`` sorts its input pipe. | |
1723 | """ |
|
1723 | """ | |
1724 |
|
1724 | |||
1725 | def __init__(self, key, reverse=False): |
|
1725 | def __init__(self, key, reverse=False): | |
1726 | """ |
|
1726 | """ | |
1727 | Create an ``isort`` object. ``key`` can be a callable or a string |
|
1727 | Create an ``isort`` object. ``key`` can be a callable or a string | |
1728 | containing an expression. If ``reverse`` is true the sort order will |
|
1728 | containing an expression. If ``reverse`` is true the sort order will | |
1729 | be reversed. |
|
1729 | be reversed. | |
1730 | """ |
|
1730 | """ | |
1731 | self.key = key |
|
1731 | self.key = key | |
1732 | self.reverse = reverse |
|
1732 | self.reverse = reverse | |
1733 |
|
1733 | |||
1734 | def __xiter__(self, mode): |
|
1734 | def __xiter__(self, mode): | |
1735 | if callable(self.key): |
|
1735 | if callable(self.key): | |
1736 | items = sorted( |
|
1736 | items = sorted( | |
1737 | xiter(self.input, mode), |
|
1737 | xiter(self.input, mode), | |
1738 | key=self.key, |
|
1738 | key=self.key, | |
1739 | reverse=self.reverse |
|
1739 | reverse=self.reverse | |
1740 | ) |
|
1740 | ) | |
1741 | else: |
|
1741 | else: | |
1742 | def key(item): |
|
1742 | def key(item): | |
1743 | return eval(self.key, globals(), _AttrNamespace(item)) |
|
1743 | return eval(self.key, globals(), _AttrNamespace(item)) | |
1744 | items = sorted( |
|
1744 | items = sorted( | |
1745 | xiter(self.input, mode), |
|
1745 | xiter(self.input, mode), | |
1746 | key=key, |
|
1746 | key=key, | |
1747 | reverse=self.reverse |
|
1747 | reverse=self.reverse | |
1748 | ) |
|
1748 | ) | |
1749 | for item in items: |
|
1749 | for item in items: | |
1750 | yield item |
|
1750 | yield item | |
1751 |
|
1751 | |||
1752 | def __xrepr__(self, mode): |
|
1752 | def __xrepr__(self, mode): | |
1753 | yield (-1, True) |
|
1753 | yield (-1, True) | |
1754 | if mode == "header" or mode == "footer": |
|
1754 | if mode == "header" or mode == "footer": | |
1755 | input = getattr(self, "input", None) |
|
1755 | input = getattr(self, "input", None) | |
1756 | if input is not None: |
|
1756 | if input is not None: | |
1757 | for part in xrepr(input, mode): |
|
1757 | for part in xrepr(input, mode): | |
1758 | yield part |
|
1758 | yield part | |
1759 | yield (style_default, " | ") |
|
1759 | yield (style_default, " | ") | |
1760 | yield (style_default, "%s(" % self.__class__.__name__) |
|
1760 | yield (style_default, "%s(" % self.__class__.__name__) | |
1761 | for part in xrepr(self.key, "default"): |
|
1761 | for part in xrepr(self.key, "default"): | |
1762 | yield part |
|
1762 | yield part | |
1763 | if self.reverse: |
|
1763 | if self.reverse: | |
1764 | yield (style_default, ", ") |
|
1764 | yield (style_default, ", ") | |
1765 | for part in xrepr(True, "default"): |
|
1765 | for part in xrepr(True, "default"): | |
1766 | yield part |
|
1766 | yield part | |
1767 | yield (style_default, ")") |
|
1767 | yield (style_default, ")") | |
1768 | else: |
|
1768 | else: | |
1769 | yield (style_default, repr(self)) |
|
1769 | yield (style_default, repr(self)) | |
1770 |
|
1770 | |||
1771 | def __repr__(self): |
|
1771 | def __repr__(self): | |
1772 | return "<%s.%s key=%r reverse=%r at 0x%x>" % \ |
|
1772 | return "<%s.%s key=%r reverse=%r at 0x%x>" % \ | |
1773 | (self.__class__.__module__, self.__class__.__name__, |
|
1773 | (self.__class__.__module__, self.__class__.__name__, | |
1774 | self.key, self.reverse, id(self)) |
|
1774 | self.key, self.reverse, id(self)) | |
1775 |
|
1775 | |||
1776 |
|
1776 | |||
1777 | tab = 3 # for expandtabs() |
|
1777 | tab = 3 # for expandtabs() | |
1778 |
|
1778 | |||
1779 | def _format(field): |
|
1779 | def _format(field): | |
1780 | if isinstance(field, str): |
|
1780 | if isinstance(field, str): | |
1781 | text = repr(field.expandtabs(tab))[1:-1] |
|
1781 | text = repr(field.expandtabs(tab))[1:-1] | |
1782 | elif isinstance(field, unicode): |
|
1782 | elif isinstance(field, unicode): | |
1783 | text = repr(field.expandtabs(tab))[2:-1] |
|
1783 | text = repr(field.expandtabs(tab))[2:-1] | |
1784 | elif isinstance(field, datetime.datetime): |
|
1784 | elif isinstance(field, datetime.datetime): | |
1785 | # Don't use strftime() here, as this requires year >= 1900 |
|
1785 | # Don't use strftime() here, as this requires year >= 1900 | |
1786 | text = "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ |
|
1786 | text = "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ | |
1787 | (field.year, field.month, field.day, |
|
1787 | (field.year, field.month, field.day, | |
1788 | field.hour, field.minute, field.second, field.microsecond) |
|
1788 | field.hour, field.minute, field.second, field.microsecond) | |
1789 | elif isinstance(field, datetime.date): |
|
1789 | elif isinstance(field, datetime.date): | |
1790 | text = "%04d-%02d-%02d" % (field.year, field.month, field.day) |
|
1790 | text = "%04d-%02d-%02d" % (field.year, field.month, field.day) | |
1791 | else: |
|
1791 | else: | |
1792 | text = repr(field) |
|
1792 | text = repr(field) | |
1793 | return text |
|
1793 | return text | |
1794 |
|
1794 | |||
1795 |
|
1795 | |||
1796 | class Display(object): |
|
1796 | class Display(object): | |
1797 | class __metaclass__(type): |
|
1797 | class __metaclass__(type): | |
1798 | def __ror__(self, input): |
|
1798 | def __ror__(self, input): | |
1799 | return input | self() |
|
1799 | return input | self() | |
1800 |
|
1800 | |||
1801 | def __ror__(self, input): |
|
1801 | def __ror__(self, input): | |
1802 | self.input = input |
|
1802 | self.input = input | |
1803 | return self |
|
1803 | return self | |
1804 |
|
1804 | |||
1805 | def display(self): |
|
1805 | def display(self): | |
1806 | pass |
|
1806 | pass | |
1807 |
|
1807 | |||
1808 |
|
1808 | |||
1809 | class iless(Display): |
|
1809 | class iless(Display): | |
1810 | cmd = "less --quit-if-one-screen --LONG-PROMPT --LINE-NUMBERS --chop-long-lines --shift=8 --RAW-CONTROL-CHARS" |
|
1810 | cmd = "less --quit-if-one-screen --LONG-PROMPT --LINE-NUMBERS --chop-long-lines --shift=8 --RAW-CONTROL-CHARS" | |
1811 |
|
1811 | |||
1812 | def display(self): |
|
1812 | def display(self): | |
1813 | try: |
|
1813 | try: | |
1814 | pager = os.popen(self.cmd, "w") |
|
1814 | pager = os.popen(self.cmd, "w") | |
1815 | try: |
|
1815 | try: | |
1816 | for item in xiter(self.input, "default"): |
|
1816 | for item in xiter(self.input, "default"): | |
1817 | attrs = xattrs(item, "default") |
|
1817 | attrs = xattrs(item, "default") | |
1818 | attrs = ["%s=%s" % (a, _format(_getattr(item, a))) for a in attrs] |
|
1818 | attrs = ["%s=%s" % (a, _format(_getattr(item, a))) for a in attrs] | |
1819 | pager.write(" ".join(attrs)) |
|
1819 | pager.write(" ".join(attrs)) | |
1820 | pager.write("\n") |
|
1820 | pager.write("\n") | |
1821 | finally: |
|
1821 | finally: | |
1822 | pager.close() |
|
1822 | pager.close() | |
1823 | except Exception, exc: |
|
1823 | except Exception, exc: | |
1824 | print "%s: %s" % (exc.__class__.__name__, str(exc)) |
|
1824 | print "%s: %s" % (exc.__class__.__name__, str(exc)) | |
1825 |
|
1825 | |||
1826 |
|
1826 | |||
1827 | def xformat(value, mode, maxlength): |
|
1827 | def xformat(value, mode, maxlength): | |
1828 | align = None |
|
1828 | align = None | |
1829 | full = False |
|
1829 | full = False | |
1830 | width = 0 |
|
1830 | width = 0 | |
1831 | text = Text() |
|
1831 | text = Text() | |
1832 | for part in xrepr(value, mode): |
|
1832 | for part in xrepr(value, mode): | |
1833 | # part is (alignment, stop) |
|
1833 | # part is (alignment, stop) | |
1834 | if isinstance(part[0], int): |
|
1834 | if isinstance(part[0], int): | |
1835 | # only consider the first occurence |
|
1835 | # only consider the first occurence | |
1836 | if align is None: |
|
1836 | if align is None: | |
1837 | align = part[0] |
|
1837 | align = part[0] | |
1838 | full = part[1] |
|
1838 | full = part[1] | |
1839 | # part is (style, text) |
|
1839 | # part is (style, text) | |
1840 | else: |
|
1840 | else: | |
1841 | text.append(part) |
|
1841 | text.append(part) | |
1842 | width += len(part[1]) |
|
1842 | width += len(part[1]) | |
1843 | if width >= maxlength and not full: |
|
1843 | if width >= maxlength and not full: | |
1844 | text.append((style_ellisis, "...")) |
|
1844 | text.append((style_ellisis, "...")) | |
1845 | width += 3 |
|
1845 | width += 3 | |
1846 | break |
|
1846 | break | |
1847 | if align is None: # default to left alignment |
|
1847 | if align is None: # default to left alignment | |
1848 | align = -1 |
|
1848 | align = -1 | |
1849 | return (align, width, text) |
|
1849 | return (align, width, text) | |
1850 |
|
1850 | |||
1851 |
|
1851 | |||
1852 | class idump(Display): |
|
1852 | class idump(Display): | |
1853 | # The approximate maximum length of a column entry |
|
1853 | # The approximate maximum length of a column entry | |
1854 | maxattrlength = 200 |
|
1854 | maxattrlength = 200 | |
1855 |
|
1855 | |||
1856 | # Style for column names |
|
1856 | # Style for column names | |
1857 | style_header = Style(COLOR_WHITE, COLOR_BLACK, A_BOLD) |
|
1857 | style_header = Style(COLOR_WHITE, COLOR_BLACK, A_BOLD) | |
1858 |
|
1858 | |||
1859 | def __init__(self, *attrs): |
|
1859 | def __init__(self, *attrs): | |
1860 | self.attrs = attrs |
|
1860 | self.attrs = attrs | |
1861 | self.headerpadchar = " " |
|
1861 | self.headerpadchar = " " | |
1862 | self.headersepchar = "|" |
|
1862 | self.headersepchar = "|" | |
1863 | self.datapadchar = " " |
|
1863 | self.datapadchar = " " | |
1864 | self.datasepchar = "|" |
|
1864 | self.datasepchar = "|" | |
1865 |
|
1865 | |||
1866 | def display(self): |
|
1866 | def display(self): | |
1867 | stream = genutils.Term.cout |
|
1867 | stream = genutils.Term.cout | |
1868 | allattrs = [] |
|
1868 | allattrs = [] | |
1869 | allattrset = set() |
|
1869 | allattrset = set() | |
1870 | colwidths = {} |
|
1870 | colwidths = {} | |
1871 | rows = [] |
|
1871 | rows = [] | |
1872 | for item in xiter(self.input, "default"): |
|
1872 | for item in xiter(self.input, "default"): | |
1873 | row = {} |
|
1873 | row = {} | |
1874 |
|
|
1874 | attrs = self.attrs | |
|
1875 | if not attrs: | |||
1875 | attrs = xattrs(item, "default") |
|
1876 | attrs = xattrs(item, "default") | |
1876 | for attrname in attrs: |
|
1877 | for attrname in attrs: | |
1877 | if attrname not in allattrset: |
|
1878 | if attrname not in allattrset: | |
1878 | allattrs.append(attrname) |
|
1879 | allattrs.append(attrname) | |
1879 | allattrset.add(attrname) |
|
1880 | allattrset.add(attrname) | |
1880 | colwidths[attrname] = len(_attrname(attrname)) |
|
1881 | colwidths[attrname] = len(_attrname(attrname)) | |
1881 | value = _getattr(item, attrname, None) |
|
1882 | value = _getattr(item, attrname, None) | |
1882 |
|
1883 | |||
1883 | (align, width, text) = xformat(value, "cell", self.maxattrlength) |
|
1884 | (align, width, text) = xformat(value, "cell", self.maxattrlength) | |
1884 | colwidths[attrname] = max(colwidths[attrname], width) |
|
1885 | colwidths[attrname] = max(colwidths[attrname], width) | |
1885 | # remember alignment, length and colored parts |
|
1886 | # remember alignment, length and colored parts | |
1886 | row[attrname] = (align, width, text) |
|
1887 | row[attrname] = (align, width, text) | |
1887 | rows.append(row) |
|
1888 | rows.append(row) | |
1888 |
|
1889 | |||
1889 | stream.write("\n") |
|
1890 | stream.write("\n") | |
1890 | for (i, attrname) in enumerate(allattrs): |
|
1891 | for (i, attrname) in enumerate(allattrs): | |
1891 | self.style_header(_attrname(attrname)).write(stream) |
|
1892 | self.style_header(_attrname(attrname)).write(stream) | |
1892 | spc = colwidths[attrname] - len(_attrname(attrname)) |
|
1893 | spc = colwidths[attrname] - len(_attrname(attrname)) | |
1893 | if i < len(colwidths)-1: |
|
1894 | if i < len(colwidths)-1: | |
1894 | stream.write(self.headerpadchar*spc) |
|
1895 | stream.write(self.headerpadchar*spc) | |
1895 | stream.write(self.headersepchar) |
|
1896 | stream.write(self.headersepchar) | |
1896 | stream.write("\n") |
|
1897 | stream.write("\n") | |
1897 |
|
1898 | |||
1898 | for row in rows: |
|
1899 | for row in rows: | |
1899 | for (i, attrname) in enumerate(allattrs): |
|
1900 | for (i, attrname) in enumerate(allattrs): | |
1900 | (align, width, text) = row[attrname] |
|
1901 | (align, width, text) = row[attrname] | |
1901 | spc = colwidths[attrname] - width |
|
1902 | spc = colwidths[attrname] - width | |
1902 | if align == -1: |
|
1903 | if align == -1: | |
1903 | text.write(stream) |
|
1904 | text.write(stream) | |
1904 | if i < len(colwidths)-1: |
|
1905 | if i < len(colwidths)-1: | |
1905 | stream.write(self.datapadchar*spc) |
|
1906 | stream.write(self.datapadchar*spc) | |
1906 | elif align == 0: |
|
1907 | elif align == 0: | |
1907 | spc = colwidths[attrname] - width |
|
1908 | spc = colwidths[attrname] - width | |
1908 | spc1 = spc//2 |
|
1909 | spc1 = spc//2 | |
1909 | spc2 = spc-spc1 |
|
1910 | spc2 = spc-spc1 | |
1910 | stream.write(self.datapadchar*spc1) |
|
1911 | stream.write(self.datapadchar*spc1) | |
1911 | text.write(stream) |
|
1912 | text.write(stream) | |
1912 | if i < len(colwidths)-1: |
|
1913 | if i < len(colwidths)-1: | |
1913 | stream.write(self.datapadchar*spc2) |
|
1914 | stream.write(self.datapadchar*spc2) | |
1914 | else: |
|
1915 | else: | |
1915 | stream.write(self.datapadchar*spc) |
|
1916 | stream.write(self.datapadchar*spc) | |
1916 | text.write(stream) |
|
1917 | text.write(stream) | |
1917 | if i < len(colwidths)-1: |
|
1918 | if i < len(colwidths)-1: | |
1918 | stream.write(self.datasepchar) |
|
1919 | stream.write(self.datasepchar) | |
1919 | stream.write("\n") |
|
1920 | stream.write("\n") | |
1920 |
|
1921 | |||
1921 |
|
1922 | |||
1922 | class XMode(object): |
|
1923 | class XMode(object): | |
1923 | """ |
|
1924 | """ | |
1924 | An ``XMode`` object describes one enter mode available for an object |
|
1925 | An ``XMode`` object describes one enter mode available for an object | |
1925 | """ |
|
1926 | """ | |
1926 | def __init__(self, object, mode, title=None, description=None): |
|
1927 | def __init__(self, object, mode, title=None, description=None): | |
1927 | """ |
|
1928 | """ | |
1928 | Create a new ``XMode`` object for the object ``object``. This object |
|
1929 | Create a new ``XMode`` object for the object ``object``. This object | |
1929 | must support the enter mode ``mode`` (i.e. ``object.__xiter__(mode)`` |
|
1930 | must support the enter mode ``mode`` (i.e. ``object.__xiter__(mode)`` | |
1930 | must return an iterable). ``title`` and ``description`` will be |
|
1931 | must return an iterable). ``title`` and ``description`` will be | |
1931 | displayed in the browser when selecting among the available modes. |
|
1932 | displayed in the browser when selecting among the available modes. | |
1932 | """ |
|
1933 | """ | |
1933 | self.object = object |
|
1934 | self.object = object | |
1934 | self.mode = mode |
|
1935 | self.mode = mode | |
1935 | self.title = title |
|
1936 | self.title = title | |
1936 | self.description = description |
|
1937 | self.description = description | |
1937 |
|
1938 | |||
1938 | def __repr__(self): |
|
1939 | def __repr__(self): | |
1939 | return "<%s.%s object mode=%r at 0x%x>" % \ |
|
1940 | return "<%s.%s object mode=%r at 0x%x>" % \ | |
1940 | (self.__class__.__module__, self.__class__.__name__, |
|
1941 | (self.__class__.__module__, self.__class__.__name__, | |
1941 | self.mode, id(self)) |
|
1942 | self.mode, id(self)) | |
1942 |
|
1943 | |||
1943 | def __xrepr__(self, mode): |
|
1944 | def __xrepr__(self, mode): | |
1944 | yield (-1, True) |
|
1945 | yield (-1, True) | |
1945 | if mode == "header" or mode == "footer": |
|
1946 | if mode == "header" or mode == "footer": | |
1946 | yield (style_default, self.title) |
|
1947 | yield (style_default, self.title) | |
1947 | else: |
|
1948 | else: | |
1948 | yield (style_default, repr(self)) |
|
1949 | yield (style_default, repr(self)) | |
1949 |
|
1950 | |||
1950 | def __xattrs__(self, mode): |
|
1951 | def __xattrs__(self, mode): | |
1951 | if mode == "detail": |
|
1952 | if mode == "detail": | |
1952 | return ("object", "mode", "title", "description") |
|
1953 | return ("object", "mode", "title", "description") | |
1953 | return ("title", "description") |
|
1954 | return ("title", "description") | |
1954 |
|
1955 | |||
1955 | def __xiter__(self, mode): |
|
1956 | def __xiter__(self, mode): | |
1956 | return xiter(self.object, self.mode) |
|
1957 | return xiter(self.object, self.mode) | |
1957 |
|
1958 | |||
1958 |
|
1959 | |||
1959 | class XAttr(object): |
|
1960 | class XAttr(object): | |
1960 | def __init__(self, object, name): |
|
1961 | def __init__(self, object, name): | |
1961 | self.name = _attrname(name) |
|
1962 | self.name = _attrname(name) | |
1962 |
|
1963 | |||
1963 | try: |
|
1964 | try: | |
1964 | self.value = _getattr(object, name) |
|
1965 | self.value = _getattr(object, name) | |
1965 | except (KeyboardInterrupt, SystemExit): |
|
1966 | except (KeyboardInterrupt, SystemExit): | |
1966 | raise |
|
1967 | raise | |
1967 | except Exception, exc: |
|
1968 | except Exception, exc: | |
1968 | if exc.__class__.__module__ == "exceptions": |
|
1969 | if exc.__class__.__module__ == "exceptions": | |
1969 | self.value = exc.__class__.__name__ |
|
1970 | self.value = exc.__class__.__name__ | |
1970 | else: |
|
1971 | else: | |
1971 | self.value = "%s.%s" % \ |
|
1972 | self.value = "%s.%s" % \ | |
1972 | (exc.__class__.__module__, exc.__class__.__name__) |
|
1973 | (exc.__class__.__module__, exc.__class__.__name__) | |
1973 | self.type = self.value |
|
1974 | self.type = self.value | |
1974 | else: |
|
1975 | else: | |
1975 | t = type(self.value) |
|
1976 | t = type(self.value) | |
1976 | if t.__module__ == "__builtin__": |
|
1977 | if t.__module__ == "__builtin__": | |
1977 | self.type = t.__name__ |
|
1978 | self.type = t.__name__ | |
1978 | else: |
|
1979 | else: | |
1979 | self.type = "%s.%s" % (t.__module__, t.__name__) |
|
1980 | self.type = "%s.%s" % (t.__module__, t.__name__) | |
1980 |
|
1981 | |||
1981 | doc = None |
|
1982 | doc = None | |
1982 | if isinstance(name, basestring): |
|
1983 | if isinstance(name, basestring): | |
1983 | if name.endswith("()"): |
|
1984 | if name.endswith("()"): | |
1984 | doc = getattr(getattr(object, name[:-2]), "__doc__", None) |
|
1985 | doc = getattr(getattr(object, name[:-2]), "__doc__", None) | |
1985 | else: |
|
1986 | else: | |
1986 | try: |
|
1987 | try: | |
1987 | meta = getattr(type(object), name) |
|
1988 | meta = getattr(type(object), name) | |
1988 | except AttributeError: |
|
1989 | except AttributeError: | |
1989 | pass |
|
1990 | pass | |
1990 | else: |
|
1991 | else: | |
1991 | if isinstance(meta, property): |
|
1992 | if isinstance(meta, property): | |
1992 | doc = getattr(meta, "__doc__", None) |
|
1993 | doc = getattr(meta, "__doc__", None) | |
1993 | elif callable(name): |
|
1994 | elif callable(name): | |
1994 | doc = getattr(name, "__doc__", None) |
|
1995 | doc = getattr(name, "__doc__", None) | |
1995 | if isinstance(doc, basestring): |
|
1996 | if isinstance(doc, basestring): | |
1996 | doc = doc.strip() |
|
1997 | doc = doc.strip() | |
1997 | self.doc = doc |
|
1998 | self.doc = doc | |
1998 |
|
1999 | |||
1999 | def __xattrs__(self, mode): |
|
2000 | def __xattrs__(self, mode): | |
2000 | return ("name", "type", "doc", "value") |
|
2001 | return ("name", "type", "doc", "value") | |
2001 |
|
2002 | |||
2002 |
|
2003 | |||
2003 | _ibrowse_help = """ |
|
2004 | _ibrowse_help = """ | |
2004 | down |
|
2005 | down | |
2005 | Move the cursor to the next line. |
|
2006 | Move the cursor to the next line. | |
2006 |
|
2007 | |||
2007 | up |
|
2008 | up | |
2008 | Move the cursor to the previous line. |
|
2009 | Move the cursor to the previous line. | |
2009 |
|
2010 | |||
2010 | pagedown |
|
2011 | pagedown | |
2011 | Move the cursor down one page (minus overlap). |
|
2012 | Move the cursor down one page (minus overlap). | |
2012 |
|
2013 | |||
2013 | pageup |
|
2014 | pageup | |
2014 | Move the cursor up one page (minus overlap). |
|
2015 | Move the cursor up one page (minus overlap). | |
2015 |
|
2016 | |||
2016 | left |
|
2017 | left | |
2017 | Move the cursor left. |
|
2018 | Move the cursor left. | |
2018 |
|
2019 | |||
2019 | right |
|
2020 | right | |
2020 | Move the cursor right. |
|
2021 | Move the cursor right. | |
2021 |
|
2022 | |||
2022 | home |
|
2023 | home | |
2023 | Move the cursor to the first column. |
|
2024 | Move the cursor to the first column. | |
2024 |
|
2025 | |||
2025 | end |
|
2026 | end | |
2026 | Move the cursor to the last column. |
|
2027 | Move the cursor to the last column. | |
2027 |
|
2028 | |||
2028 | prevattr |
|
2029 | prevattr | |
2029 | Move the cursor one attribute column to the left. |
|
2030 | Move the cursor one attribute column to the left. | |
2030 |
|
2031 | |||
2031 | nextattr |
|
2032 | nextattr | |
2032 | Move the cursor one attribute column to the right. |
|
2033 | Move the cursor one attribute column to the right. | |
2033 |
|
2034 | |||
2034 | pick |
|
2035 | pick | |
2035 | 'Pick' the object under the cursor (i.e. the row the cursor is on). This leaves |
|
2036 | 'Pick' the object under the cursor (i.e. the row the cursor is on). This leaves | |
2036 | the browser and returns the picked object to the caller. (In IPython this object |
|
2037 | the browser and returns the picked object to the caller. (In IPython this object | |
2037 | will be available as the '_' variable.) |
|
2038 | will be available as the '_' variable.) | |
2038 |
|
2039 | |||
2039 | pickattr |
|
2040 | pickattr | |
2040 | 'Pick' the attribute under the cursor (i.e. the row/column the cursor is on). |
|
2041 | 'Pick' the attribute under the cursor (i.e. the row/column the cursor is on). | |
2041 |
|
2042 | |||
2042 | pickallattrs |
|
2043 | pickallattrs | |
2043 | Pick' the complete column under the cursor (i.e. the attribute under the cursor) |
|
2044 | Pick' the complete column under the cursor (i.e. the attribute under the cursor) | |
2044 | from all currently fetched objects. These attributes will be returned as a list. |
|
2045 | from all currently fetched objects. These attributes will be returned as a list. | |
2045 |
|
2046 | |||
2046 | tooglemark |
|
2047 | tooglemark | |
2047 | Mark/unmark the object under the cursor. Marked objects have a '!' after the |
|
2048 | Mark/unmark the object under the cursor. Marked objects have a '!' after the | |
2048 | row number). |
|
2049 | row number). | |
2049 |
|
2050 | |||
2050 | pickmarked |
|
2051 | pickmarked | |
2051 | 'Pick' marked objects. Marked objects will be returned as a list. |
|
2052 | 'Pick' marked objects. Marked objects will be returned as a list. | |
2052 |
|
2053 | |||
2053 | pickmarkedattr |
|
2054 | pickmarkedattr | |
2054 | 'Pick' the attribute under the cursor from all marked objects (This returns a |
|
2055 | 'Pick' the attribute under the cursor from all marked objects (This returns a | |
2055 | list). |
|
2056 | list). | |
2056 |
|
2057 | |||
2057 | enterdefault |
|
2058 | enterdefault | |
2058 | Enter the object under the cursor. (what this mean depends on the object |
|
2059 | Enter the object under the cursor. (what this mean depends on the object | |
2059 | itself (i.e. how it implements the '__xiter__' method). This opens a new browser |
|
2060 | itself (i.e. how it implements the '__xiter__' method). This opens a new browser | |
2060 | 'level'. |
|
2061 | 'level'. | |
2061 |
|
2062 | |||
2062 | enter |
|
2063 | enter | |
2063 | Enter the object under the cursor. If the object provides different enter modes |
|
2064 | Enter the object under the cursor. If the object provides different enter modes | |
2064 | a menu of all modes will be presented; choice one and enter it (via the 'enter' |
|
2065 | a menu of all modes will be presented; choice one and enter it (via the 'enter' | |
2065 | or 'enterdefault' command). |
|
2066 | or 'enterdefault' command). | |
2066 |
|
2067 | |||
2067 | enterattr |
|
2068 | enterattr | |
2068 | Enter the attribute under the cursor. |
|
2069 | Enter the attribute under the cursor. | |
2069 |
|
2070 | |||
2070 | leave |
|
2071 | leave | |
2071 | Leave the current browser level and go back to the previous one. |
|
2072 | Leave the current browser level and go back to the previous one. | |
2072 |
|
2073 | |||
2073 | detail |
|
2074 | detail | |
2074 | Show a detail view of the object under the cursor. This shows the name, type, |
|
2075 | Show a detail view of the object under the cursor. This shows the name, type, | |
2075 | doc string and value of the object attributes (and it might show more attributes |
|
2076 | doc string and value of the object attributes (and it might show more attributes | |
2076 | than in the list view, depending on the object). |
|
2077 | than in the list view, depending on the object). | |
2077 |
|
2078 | |||
2078 | detailattr |
|
2079 | detailattr | |
2079 | Show a detail view of the attribute under the cursor. |
|
2080 | Show a detail view of the attribute under the cursor. | |
2080 |
|
2081 | |||
2081 | markrange |
|
2082 | markrange | |
2082 | Mark all objects from the last marked object before the current cursor position |
|
2083 | Mark all objects from the last marked object before the current cursor position | |
2083 | to the cursor position. |
|
2084 | to the cursor position. | |
2084 |
|
2085 | |||
2085 | sortattrasc |
|
2086 | sortattrasc | |
2086 | Sort the objects (in ascending order) using the attribute under the cursor as |
|
2087 | Sort the objects (in ascending order) using the attribute under the cursor as | |
2087 | the sort key. |
|
2088 | the sort key. | |
2088 |
|
2089 | |||
2089 | sortattrdesc |
|
2090 | sortattrdesc | |
2090 | Sort the objects (in descending order) using the attribute under the cursor as |
|
2091 | Sort the objects (in descending order) using the attribute under the cursor as | |
2091 | the sort key. |
|
2092 | the sort key. | |
2092 |
|
2093 | |||
2093 | goto |
|
2094 | goto | |
2094 | Jump to a row. The row number can be entered at the bottom of the screen. |
|
2095 | Jump to a row. The row number can be entered at the bottom of the screen. | |
2095 |
|
2096 | |||
2096 | help |
|
2097 | help | |
2097 | This screen. |
|
2098 | This screen. | |
2098 | """ |
|
2099 | """ | |
2099 |
|
2100 | |||
2100 |
|
2101 | |||
2101 | if curses is not None: |
|
2102 | if curses is not None: | |
2102 | class UnassignedKeyError(Exception): |
|
2103 | class UnassignedKeyError(Exception): | |
2103 | """ |
|
2104 | """ | |
2104 | Exception that is used for reporting unassigned keys. |
|
2105 | Exception that is used for reporting unassigned keys. | |
2105 | """ |
|
2106 | """ | |
2106 |
|
2107 | |||
2107 |
|
2108 | |||
2108 | class UnknownCommandError(Exception): |
|
2109 | class UnknownCommandError(Exception): | |
2109 | """ |
|
2110 | """ | |
2110 | Exception that is used for reporting unknown command (this should never |
|
2111 | Exception that is used for reporting unknown command (this should never | |
2111 | happen). |
|
2112 | happen). | |
2112 | """ |
|
2113 | """ | |
2113 |
|
2114 | |||
2114 |
|
2115 | |||
2115 | class CommandError(Exception): |
|
2116 | class CommandError(Exception): | |
2116 | """ |
|
2117 | """ | |
2117 | Exception that is used for reporting that a command can't be executed. |
|
2118 | Exception that is used for reporting that a command can't be executed. | |
2118 | """ |
|
2119 | """ | |
2119 |
|
2120 | |||
2120 |
|
2121 | |||
2121 | class _BrowserCachedItem(object): |
|
2122 | class _BrowserCachedItem(object): | |
2122 | # This is used internally by ``ibrowse`` to store a item together with its |
|
2123 | # This is used internally by ``ibrowse`` to store a item together with its | |
2123 | # marked status. |
|
2124 | # marked status. | |
2124 | __slots__ = ("item", "marked") |
|
2125 | __slots__ = ("item", "marked") | |
2125 |
|
2126 | |||
2126 | def __init__(self, item): |
|
2127 | def __init__(self, item): | |
2127 | self.item = item |
|
2128 | self.item = item | |
2128 | self.marked = False |
|
2129 | self.marked = False | |
2129 |
|
2130 | |||
2130 |
|
2131 | |||
2131 | class _BrowserHelp(object): |
|
2132 | class _BrowserHelp(object): | |
2132 | # This is used internally by ``ibrowse`` for displaying the help screen. |
|
2133 | # This is used internally by ``ibrowse`` for displaying the help screen. | |
2133 | def __init__(self, browser): |
|
2134 | def __init__(self, browser): | |
2134 | self.browser = browser |
|
2135 | self.browser = browser | |
2135 |
|
2136 | |||
2136 | def __xrepr__(self, mode): |
|
2137 | def __xrepr__(self, mode): | |
2137 | yield (-1, True) |
|
2138 | yield (-1, True) | |
2138 | if mode == "header" or mode == "footer": |
|
2139 | if mode == "header" or mode == "footer": | |
2139 | yield (style_default, "ibrowse help screen") |
|
2140 | yield (style_default, "ibrowse help screen") | |
2140 | else: |
|
2141 | else: | |
2141 | yield (style_default, repr(self)) |
|
2142 | yield (style_default, repr(self)) | |
2142 |
|
2143 | |||
2143 | def __xiter__(self, mode): |
|
2144 | def __xiter__(self, mode): | |
2144 | # Get reverse key mapping |
|
2145 | # Get reverse key mapping | |
2145 | allkeys = {} |
|
2146 | allkeys = {} | |
2146 | for (key, cmd) in self.browser.keymap.iteritems(): |
|
2147 | for (key, cmd) in self.browser.keymap.iteritems(): | |
2147 | allkeys.setdefault(cmd, []).append(key) |
|
2148 | allkeys.setdefault(cmd, []).append(key) | |
2148 |
|
2149 | |||
2149 | fields = ("key", "command", "description") |
|
2150 | fields = ("key", "command", "description") | |
2150 |
|
2151 | |||
2151 | for (i, command) in enumerate(_ibrowse_help.strip().split("\n\n")): |
|
2152 | for (i, command) in enumerate(_ibrowse_help.strip().split("\n\n")): | |
2152 | if i: |
|
2153 | if i: | |
2153 | yield Fields(fields, key="", command="", description="") |
|
2154 | yield Fields(fields, key="", command="", description="") | |
2154 |
|
2155 | |||
2155 | (name, description) = command.split("\n", 1) |
|
2156 | (name, description) = command.split("\n", 1) | |
2156 | keys = allkeys.get(name, []) |
|
2157 | keys = allkeys.get(name, []) | |
2157 | lines = textwrap.wrap(description, 50) |
|
2158 | lines = textwrap.wrap(description, 50) | |
2158 |
|
2159 | |||
2159 | for i in xrange(max(len(keys), len(lines))): |
|
2160 | for i in xrange(max(len(keys), len(lines))): | |
2160 | if i: |
|
2161 | if i: | |
2161 | name = "" |
|
2162 | name = "" | |
2162 | try: |
|
2163 | try: | |
2163 | key = self.browser.keylabel(keys[i]) |
|
2164 | key = self.browser.keylabel(keys[i]) | |
2164 | except IndexError: |
|
2165 | except IndexError: | |
2165 | key = "" |
|
2166 | key = "" | |
2166 | try: |
|
2167 | try: | |
2167 | line = lines[i] |
|
2168 | line = lines[i] | |
2168 | except IndexError: |
|
2169 | except IndexError: | |
2169 | line = "" |
|
2170 | line = "" | |
2170 | yield Fields(fields, key=key, command=name, description=line) |
|
2171 | yield Fields(fields, key=key, command=name, description=line) | |
2171 |
|
2172 | |||
2172 |
|
2173 | |||
2173 | class _BrowserLevel(object): |
|
2174 | class _BrowserLevel(object): | |
2174 | # This is used internally to store the state (iterator, fetch items, |
|
2175 | # This is used internally to store the state (iterator, fetch items, | |
2175 | # position of cursor and screen, etc.) of one browser level |
|
2176 | # position of cursor and screen, etc.) of one browser level | |
2176 | # An ``ibrowse`` object keeps multiple ``_BrowserLevel`` objects in |
|
2177 | # An ``ibrowse`` object keeps multiple ``_BrowserLevel`` objects in | |
2177 | # a stack. |
|
2178 | # a stack. | |
2178 | def __init__(self, browser, input, iterator, mainsizey, *attrs): |
|
2179 | def __init__(self, browser, input, iterator, mainsizey, *attrs): | |
2179 | self.browser = browser |
|
2180 | self.browser = browser | |
2180 | self.input = input |
|
2181 | self.input = input | |
2181 | self.header = [x for x in xrepr(input, "header") if not isinstance(x[0], int)] |
|
2182 | self.header = [x for x in xrepr(input, "header") if not isinstance(x[0], int)] | |
2182 | # iterator for the input |
|
2183 | # iterator for the input | |
2183 | self.iterator = iterator |
|
2184 | self.iterator = iterator | |
2184 |
|
2185 | |||
2185 | # is the iterator exhausted? |
|
2186 | # is the iterator exhausted? | |
2186 | self.exhausted = False |
|
2187 | self.exhausted = False | |
2187 |
|
2188 | |||
2188 | # attributes to be display (autodetected if empty) |
|
2189 | # attributes to be display (autodetected if empty) | |
2189 | self.attrs = attrs |
|
2190 | self.attrs = attrs | |
2190 |
|
2191 | |||
2191 | # fetched items (+ marked flag) |
|
2192 | # fetched items (+ marked flag) | |
2192 | self.items = deque() |
|
2193 | self.items = deque() | |
2193 |
|
2194 | |||
2194 | # Number of marked objects |
|
2195 | # Number of marked objects | |
2195 | self.marked = 0 |
|
2196 | self.marked = 0 | |
2196 |
|
2197 | |||
2197 | # Vertical cursor position |
|
2198 | # Vertical cursor position | |
2198 | self.cury = 0 |
|
2199 | self.cury = 0 | |
2199 |
|
2200 | |||
2200 | # Horizontal cursor position |
|
2201 | # Horizontal cursor position | |
2201 | self.curx = 0 |
|
2202 | self.curx = 0 | |
2202 |
|
2203 | |||
2203 | # Index of first data column |
|
2204 | # Index of first data column | |
2204 | self.datastartx = 0 |
|
2205 | self.datastartx = 0 | |
2205 |
|
2206 | |||
2206 | # Index of first data line |
|
2207 | # Index of first data line | |
2207 | self.datastarty = 0 |
|
2208 | self.datastarty = 0 | |
2208 |
|
2209 | |||
2209 | # height of the data display area |
|
2210 | # height of the data display area | |
2210 | self.mainsizey = mainsizey |
|
2211 | self.mainsizey = mainsizey | |
2211 |
|
2212 | |||
2212 | # width of the data display area (changes when scrolling) |
|
2213 | # width of the data display area (changes when scrolling) | |
2213 | self.mainsizex = 0 |
|
2214 | self.mainsizex = 0 | |
2214 |
|
2215 | |||
2215 | # Size of row number (changes when scrolling) |
|
2216 | # Size of row number (changes when scrolling) | |
2216 | self.numbersizex = 0 |
|
2217 | self.numbersizex = 0 | |
2217 |
|
2218 | |||
2218 | # Attribute names to display (in this order) |
|
2219 | # Attribute names to display (in this order) | |
2219 | self.displayattrs = [] |
|
2220 | self.displayattrs = [] | |
2220 |
|
2221 | |||
2221 | # index and name of attribute under the cursor |
|
2222 | # index and name of attribute under the cursor | |
2222 | self.displayattr = (None, _default) |
|
2223 | self.displayattr = (None, _default) | |
2223 |
|
2224 | |||
2224 | # Maps attribute names to column widths |
|
2225 | # Maps attribute names to column widths | |
2225 | self.colwidths = {} |
|
2226 | self.colwidths = {} | |
2226 |
|
2227 | |||
2227 | self.fetch(mainsizey) |
|
2228 | self.fetch(mainsizey) | |
2228 | self.calcdisplayattrs() |
|
2229 | self.calcdisplayattrs() | |
2229 | # formatted attributes for the items on screen |
|
2230 | # formatted attributes for the items on screen | |
2230 | # (i.e. self.items[self.datastarty:self.datastarty+self.mainsizey]) |
|
2231 | # (i.e. self.items[self.datastarty:self.datastarty+self.mainsizey]) | |
2231 | self.displayrows = [self.getrow(i) for i in xrange(len(self.items))] |
|
2232 | self.displayrows = [self.getrow(i) for i in xrange(len(self.items))] | |
2232 | self.calcwidths() |
|
2233 | self.calcwidths() | |
2233 | self.calcdisplayattr() |
|
2234 | self.calcdisplayattr() | |
2234 |
|
2235 | |||
2235 | def fetch(self, count): |
|
2236 | def fetch(self, count): | |
2236 | # Try to fill ``self.items`` with at least ``count`` objects. |
|
2237 | # Try to fill ``self.items`` with at least ``count`` objects. | |
2237 | have = len(self.items) |
|
2238 | have = len(self.items) | |
2238 | while not self.exhausted and have < count: |
|
2239 | while not self.exhausted and have < count: | |
2239 | try: |
|
2240 | try: | |
2240 | item = self.iterator.next() |
|
2241 | item = self.iterator.next() | |
2241 | except StopIteration: |
|
2242 | except StopIteration: | |
2242 | self.exhausted = True |
|
2243 | self.exhausted = True | |
2243 | break |
|
2244 | break | |
2244 | else: |
|
2245 | else: | |
2245 | have += 1 |
|
2246 | have += 1 | |
2246 | self.items.append(_BrowserCachedItem(item)) |
|
2247 | self.items.append(_BrowserCachedItem(item)) | |
2247 |
|
2248 | |||
2248 | def calcdisplayattrs(self): |
|
2249 | def calcdisplayattrs(self): | |
2249 | # Calculate which attributes are available from the objects that are |
|
2250 | # Calculate which attributes are available from the objects that are | |
2250 | # currently visible on screen (and store it in ``self.displayattrs``) |
|
2251 | # currently visible on screen (and store it in ``self.displayattrs``) | |
2251 | attrnames = set() |
|
2252 | attrnames = set() | |
2252 | # If the browser object specifies a fixed list of attributes, |
|
2253 | # If the browser object specifies a fixed list of attributes, | |
2253 | # simply use it. |
|
2254 | # simply use it. | |
2254 | if self.attrs: |
|
2255 | if self.attrs: | |
2255 | self.displayattrs = self.attrs |
|
2256 | self.displayattrs = self.attrs | |
2256 | else: |
|
2257 | else: | |
2257 | self.displayattrs = [] |
|
2258 | self.displayattrs = [] | |
2258 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
2259 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
2259 | for i in xrange(self.datastarty, endy): |
|
2260 | for i in xrange(self.datastarty, endy): | |
2260 | for attrname in xattrs(self.items[i].item, "default"): |
|
2261 | for attrname in xattrs(self.items[i].item, "default"): | |
2261 | if attrname not in attrnames: |
|
2262 | if attrname not in attrnames: | |
2262 | self.displayattrs.append(attrname) |
|
2263 | self.displayattrs.append(attrname) | |
2263 | attrnames.add(attrname) |
|
2264 | attrnames.add(attrname) | |
2264 |
|
2265 | |||
2265 | def getrow(self, i): |
|
2266 | def getrow(self, i): | |
2266 | # Return a dictinary with the attributes for the object |
|
2267 | # Return a dictinary with the attributes for the object | |
2267 | # ``self.items[i]``. Attribute names are taken from |
|
2268 | # ``self.items[i]``. Attribute names are taken from | |
2268 | # ``self.displayattrs`` so ``calcdisplayattrs()`` must have been |
|
2269 | # ``self.displayattrs`` so ``calcdisplayattrs()`` must have been | |
2269 | # called before. |
|
2270 | # called before. | |
2270 | row = {} |
|
2271 | row = {} | |
2271 | item = self.items[i].item |
|
2272 | item = self.items[i].item | |
2272 | for attrname in self.displayattrs: |
|
2273 | for attrname in self.displayattrs: | |
2273 | try: |
|
2274 | try: | |
2274 | value = _getattr(item, attrname, _default) |
|
2275 | value = _getattr(item, attrname, _default) | |
2275 | except (KeyboardInterrupt, SystemExit): |
|
2276 | except (KeyboardInterrupt, SystemExit): | |
2276 | raise |
|
2277 | raise | |
2277 | except Exception, exc: |
|
2278 | except Exception, exc: | |
2278 | value = exc |
|
2279 | value = exc | |
2279 | # only store attribute if it exists (or we got an exception) |
|
2280 | # only store attribute if it exists (or we got an exception) | |
2280 | if value is not _default: |
|
2281 | if value is not _default: | |
2281 | parts = [] |
|
2282 | parts = [] | |
2282 | totallength = 0 |
|
2283 | totallength = 0 | |
2283 | align = None |
|
2284 | align = None | |
2284 | full = False |
|
2285 | full = False | |
2285 | # Collect parts until we have enough |
|
2286 | # Collect parts until we have enough | |
2286 | for part in xrepr(value, "cell"): |
|
2287 | for part in xrepr(value, "cell"): | |
2287 | # part gives (alignment, stop) |
|
2288 | # part gives (alignment, stop) | |
2288 | # instead of (style, text) |
|
2289 | # instead of (style, text) | |
2289 | if isinstance(part[0], int): |
|
2290 | if isinstance(part[0], int): | |
2290 | # only consider the first occurence |
|
2291 | # only consider the first occurence | |
2291 | if align is None: |
|
2292 | if align is None: | |
2292 | align = part[0] |
|
2293 | align = part[0] | |
2293 | full = part[1] |
|
2294 | full = part[1] | |
2294 | else: |
|
2295 | else: | |
2295 | parts.append(part) |
|
2296 | parts.append(part) | |
2296 | totallength += len(part[1]) |
|
2297 | totallength += len(part[1]) | |
2297 | if totallength >= self.browser.maxattrlength and not full: |
|
2298 | if totallength >= self.browser.maxattrlength and not full: | |
2298 | parts.append((style_ellisis, "...")) |
|
2299 | parts.append((style_ellisis, "...")) | |
2299 | totallength += 3 |
|
2300 | totallength += 3 | |
2300 | break |
|
2301 | break | |
2301 | # remember alignment, length and colored parts |
|
2302 | # remember alignment, length and colored parts | |
2302 | row[attrname] = (align, totallength, parts) |
|
2303 | row[attrname] = (align, totallength, parts) | |
2303 | return row |
|
2304 | return row | |
2304 |
|
2305 | |||
2305 | def calcwidths(self): |
|
2306 | def calcwidths(self): | |
2306 | # Recalculate the displayed fields and their width. |
|
2307 | # Recalculate the displayed fields and their width. | |
2307 | # ``calcdisplayattrs()'' must have been called and the cache |
|
2308 | # ``calcdisplayattrs()'' must have been called and the cache | |
2308 | # for attributes of the objects on screen (``self.displayrows``) |
|
2309 | # for attributes of the objects on screen (``self.displayrows``) | |
2309 | # must have been filled. This returns a dictionary mapping |
|
2310 | # must have been filled. This returns a dictionary mapping | |
2310 | # colmn names to width. |
|
2311 | # colmn names to width. | |
2311 | self.colwidths = {} |
|
2312 | self.colwidths = {} | |
2312 | for row in self.displayrows: |
|
2313 | for row in self.displayrows: | |
2313 | for attrname in self.displayattrs: |
|
2314 | for attrname in self.displayattrs: | |
2314 | try: |
|
2315 | try: | |
2315 | length = row[attrname][1] |
|
2316 | length = row[attrname][1] | |
2316 | except KeyError: |
|
2317 | except KeyError: | |
2317 | length = 0 |
|
2318 | length = 0 | |
2318 | # always add attribute to colwidths, even if it doesn't exist |
|
2319 | # always add attribute to colwidths, even if it doesn't exist | |
2319 | if attrname not in self.colwidths: |
|
2320 | if attrname not in self.colwidths: | |
2320 | self.colwidths[attrname] = len(_attrname(attrname)) |
|
2321 | self.colwidths[attrname] = len(_attrname(attrname)) | |
2321 | newwidth = max(self.colwidths[attrname], length) |
|
2322 | newwidth = max(self.colwidths[attrname], length) | |
2322 | self.colwidths[attrname] = newwidth |
|
2323 | self.colwidths[attrname] = newwidth | |
2323 |
|
2324 | |||
2324 | # How many characters do we need to paint the item number? |
|
2325 | # How many characters do we need to paint the item number? | |
2325 | self.numbersizex = len(str(self.datastarty+self.mainsizey-1)) |
|
2326 | self.numbersizex = len(str(self.datastarty+self.mainsizey-1)) | |
2326 | # How must space have we got to display data? |
|
2327 | # How must space have we got to display data? | |
2327 | self.mainsizex = self.browser.scrsizex-self.numbersizex-3 |
|
2328 | self.mainsizex = self.browser.scrsizex-self.numbersizex-3 | |
2328 | # width of all columns |
|
2329 | # width of all columns | |
2329 | self.datasizex = sum(self.colwidths.itervalues()) + len(self.colwidths) |
|
2330 | self.datasizex = sum(self.colwidths.itervalues()) + len(self.colwidths) | |
2330 |
|
2331 | |||
2331 | def calcdisplayattr(self): |
|
2332 | def calcdisplayattr(self): | |
2332 | # Find out on which attribute the cursor is on and store this |
|
2333 | # Find out on which attribute the cursor is on and store this | |
2333 | # information in ``self.displayattr``. |
|
2334 | # information in ``self.displayattr``. | |
2334 | pos = 0 |
|
2335 | pos = 0 | |
2335 | for (i, attrname) in enumerate(self.displayattrs): |
|
2336 | for (i, attrname) in enumerate(self.displayattrs): | |
2336 | if pos+self.colwidths[attrname] >= self.curx: |
|
2337 | if pos+self.colwidths[attrname] >= self.curx: | |
2337 | self.displayattr = (i, attrname) |
|
2338 | self.displayattr = (i, attrname) | |
2338 | break |
|
2339 | break | |
2339 | pos += self.colwidths[attrname]+1 |
|
2340 | pos += self.colwidths[attrname]+1 | |
2340 | else: |
|
2341 | else: | |
2341 | self.displayattr = (None, _default) |
|
2342 | self.displayattr = (None, _default) | |
2342 |
|
2343 | |||
2343 | def moveto(self, x, y, refresh=False): |
|
2344 | def moveto(self, x, y, refresh=False): | |
2344 | # Move the cursor to the position ``(x,y)`` (in data coordinates, |
|
2345 | # Move the cursor to the position ``(x,y)`` (in data coordinates, | |
2345 | # not in screen coordinates). If ``refresh`` is true, all cached |
|
2346 | # not in screen coordinates). If ``refresh`` is true, all cached | |
2346 | # values will be recalculated (e.g. because the list has been |
|
2347 | # values will be recalculated (e.g. because the list has been | |
2347 | # resorted, so screen positions etc. are no longer valid). |
|
2348 | # resorted, so screen positions etc. are no longer valid). | |
2348 | olddatastarty = self.datastarty |
|
2349 | olddatastarty = self.datastarty | |
2349 | oldx = self.curx |
|
2350 | oldx = self.curx | |
2350 | oldy = self.cury |
|
2351 | oldy = self.cury | |
2351 | x = int(x+0.5) |
|
2352 | x = int(x+0.5) | |
2352 | y = int(y+0.5) |
|
2353 | y = int(y+0.5) | |
2353 | newx = x # remember where we wanted to move |
|
2354 | newx = x # remember where we wanted to move | |
2354 | newy = y # remember where we wanted to move |
|
2355 | newy = y # remember where we wanted to move | |
2355 |
|
2356 | |||
2356 | scrollbordery = min(self.browser.scrollbordery, self.mainsizey//2) |
|
2357 | scrollbordery = min(self.browser.scrollbordery, self.mainsizey//2) | |
2357 | scrollborderx = min(self.browser.scrollborderx, self.mainsizex//2) |
|
2358 | scrollborderx = min(self.browser.scrollborderx, self.mainsizex//2) | |
2358 |
|
2359 | |||
2359 | # Make sure that the cursor didn't leave the main area vertically |
|
2360 | # Make sure that the cursor didn't leave the main area vertically | |
2360 | if y < 0: |
|
2361 | if y < 0: | |
2361 | y = 0 |
|
2362 | y = 0 | |
2362 | self.fetch(y+scrollbordery+1) # try to get more items |
|
2363 | self.fetch(y+scrollbordery+1) # try to get more items | |
2363 | if y >= len(self.items): |
|
2364 | if y >= len(self.items): | |
2364 | y = max(0, len(self.items)-1) |
|
2365 | y = max(0, len(self.items)-1) | |
2365 |
|
2366 | |||
2366 | # Make sure that the cursor stays on screen vertically |
|
2367 | # Make sure that the cursor stays on screen vertically | |
2367 | if y < self.datastarty+scrollbordery: |
|
2368 | if y < self.datastarty+scrollbordery: | |
2368 | self.datastarty = max(0, y-scrollbordery) |
|
2369 | self.datastarty = max(0, y-scrollbordery) | |
2369 | elif y >= self.datastarty+self.mainsizey-scrollbordery: |
|
2370 | elif y >= self.datastarty+self.mainsizey-scrollbordery: | |
2370 | self.datastarty = max(0, min(y-self.mainsizey+scrollbordery+1, |
|
2371 | self.datastarty = max(0, min(y-self.mainsizey+scrollbordery+1, | |
2371 | len(self.items)-self.mainsizey)) |
|
2372 | len(self.items)-self.mainsizey)) | |
2372 |
|
2373 | |||
2373 | if refresh: # Do we need to refresh the complete display? |
|
2374 | if refresh: # Do we need to refresh the complete display? | |
2374 | self.calcdisplayattrs() |
|
2375 | self.calcdisplayattrs() | |
2375 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
2376 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
2376 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) |
|
2377 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) | |
2377 | self.calcwidths() |
|
2378 | self.calcwidths() | |
2378 | # Did we scroll vertically => update displayrows |
|
2379 | # Did we scroll vertically => update displayrows | |
2379 | # and various other attributes |
|
2380 | # and various other attributes | |
2380 | elif self.datastarty != olddatastarty: |
|
2381 | elif self.datastarty != olddatastarty: | |
2381 | # Recalculate which attributes we have to display |
|
2382 | # Recalculate which attributes we have to display | |
2382 | olddisplayattrs = self.displayattrs |
|
2383 | olddisplayattrs = self.displayattrs | |
2383 | self.calcdisplayattrs() |
|
2384 | self.calcdisplayattrs() | |
2384 | # If there are new attributes, recreate the cache |
|
2385 | # If there are new attributes, recreate the cache | |
2385 | if self.displayattrs != olddisplayattrs: |
|
2386 | if self.displayattrs != olddisplayattrs: | |
2386 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
2387 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
2387 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) |
|
2388 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) | |
2388 | elif self.datastarty<olddatastarty: # we did scroll up |
|
2389 | elif self.datastarty<olddatastarty: # we did scroll up | |
2389 | # drop rows from the end |
|
2390 | # drop rows from the end | |
2390 | del self.displayrows[self.datastarty-olddatastarty:] |
|
2391 | del self.displayrows[self.datastarty-olddatastarty:] | |
2391 | # fetch new items |
|
2392 | # fetch new items | |
2392 | for i in xrange(olddatastarty-1, |
|
2393 | for i in xrange(olddatastarty-1, | |
2393 | self.datastarty-1, -1): |
|
2394 | self.datastarty-1, -1): | |
2394 | try: |
|
2395 | try: | |
2395 | row = self.getrow(i) |
|
2396 | row = self.getrow(i) | |
2396 | except IndexError: |
|
2397 | except IndexError: | |
2397 | # we didn't have enough objects to fill the screen |
|
2398 | # we didn't have enough objects to fill the screen | |
2398 | break |
|
2399 | break | |
2399 | self.displayrows.insert(0, row) |
|
2400 | self.displayrows.insert(0, row) | |
2400 | else: # we did scroll down |
|
2401 | else: # we did scroll down | |
2401 | # drop rows from the start |
|
2402 | # drop rows from the start | |
2402 | del self.displayrows[:self.datastarty-olddatastarty] |
|
2403 | del self.displayrows[:self.datastarty-olddatastarty] | |
2403 | # fetch new items |
|
2404 | # fetch new items | |
2404 | for i in xrange(olddatastarty+self.mainsizey, |
|
2405 | for i in xrange(olddatastarty+self.mainsizey, | |
2405 | self.datastarty+self.mainsizey): |
|
2406 | self.datastarty+self.mainsizey): | |
2406 | try: |
|
2407 | try: | |
2407 | row = self.getrow(i) |
|
2408 | row = self.getrow(i) | |
2408 | except IndexError: |
|
2409 | except IndexError: | |
2409 | # we didn't have enough objects to fill the screen |
|
2410 | # we didn't have enough objects to fill the screen | |
2410 | break |
|
2411 | break | |
2411 | self.displayrows.append(row) |
|
2412 | self.displayrows.append(row) | |
2412 | self.calcwidths() |
|
2413 | self.calcwidths() | |
2413 |
|
2414 | |||
2414 | # Make sure that the cursor didn't leave the data area horizontally |
|
2415 | # Make sure that the cursor didn't leave the data area horizontally | |
2415 | if x < 0: |
|
2416 | if x < 0: | |
2416 | x = 0 |
|
2417 | x = 0 | |
2417 | elif x >= self.datasizex: |
|
2418 | elif x >= self.datasizex: | |
2418 | x = max(0, self.datasizex-1) |
|
2419 | x = max(0, self.datasizex-1) | |
2419 |
|
2420 | |||
2420 | # Make sure that the cursor stays on screen horizontally |
|
2421 | # Make sure that the cursor stays on screen horizontally | |
2421 | if x < self.datastartx+scrollborderx: |
|
2422 | if x < self.datastartx+scrollborderx: | |
2422 | self.datastartx = max(0, x-scrollborderx) |
|
2423 | self.datastartx = max(0, x-scrollborderx) | |
2423 | elif x >= self.datastartx+self.mainsizex-scrollborderx: |
|
2424 | elif x >= self.datastartx+self.mainsizex-scrollborderx: | |
2424 | self.datastartx = max(0, min(x-self.mainsizex+scrollborderx+1, |
|
2425 | self.datastartx = max(0, min(x-self.mainsizex+scrollborderx+1, | |
2425 | self.datasizex-self.mainsizex)) |
|
2426 | self.datasizex-self.mainsizex)) | |
2426 |
|
2427 | |||
2427 | if x == oldx and y == oldy and (x != newx or y != newy): # couldn't move |
|
2428 | if x == oldx and y == oldy and (x != newx or y != newy): # couldn't move | |
2428 | self.browser.beep() |
|
2429 | self.browser.beep() | |
2429 | else: |
|
2430 | else: | |
2430 | self.curx = x |
|
2431 | self.curx = x | |
2431 | self.cury = y |
|
2432 | self.cury = y | |
2432 | self.calcdisplayattr() |
|
2433 | self.calcdisplayattr() | |
2433 |
|
2434 | |||
2434 | def sort(self, key, reverse=False): |
|
2435 | def sort(self, key, reverse=False): | |
2435 | """ |
|
2436 | """ | |
2436 | Sort the currently list of items using the key function ``key``. If |
|
2437 | Sort the currently list of items using the key function ``key``. If | |
2437 | ``reverse`` is true the sort order is reversed. |
|
2438 | ``reverse`` is true the sort order is reversed. | |
2438 | """ |
|
2439 | """ | |
2439 | curitem = self.items[self.cury] # Remember where the cursor is now |
|
2440 | curitem = self.items[self.cury] # Remember where the cursor is now | |
2440 |
|
2441 | |||
2441 | # Sort items |
|
2442 | # Sort items | |
2442 | def realkey(item): |
|
2443 | def realkey(item): | |
2443 | return key(item.item) |
|
2444 | return key(item.item) | |
2444 | self.items = deque(sorted(self.items, key=realkey, reverse=reverse)) |
|
2445 | self.items = deque(sorted(self.items, key=realkey, reverse=reverse)) | |
2445 |
|
2446 | |||
2446 | # Find out where the object under the cursor went |
|
2447 | # Find out where the object under the cursor went | |
2447 | cury = self.cury |
|
2448 | cury = self.cury | |
2448 | for (i, item) in enumerate(self.items): |
|
2449 | for (i, item) in enumerate(self.items): | |
2449 | if item is curitem: |
|
2450 | if item is curitem: | |
2450 | cury = i |
|
2451 | cury = i | |
2451 | break |
|
2452 | break | |
2452 |
|
2453 | |||
2453 | self.moveto(self.curx, cury, refresh=True) |
|
2454 | self.moveto(self.curx, cury, refresh=True) | |
2454 |
|
2455 | |||
2455 |
|
2456 | |||
2456 | class ibrowse(Display): |
|
2457 | class ibrowse(Display): | |
2457 | # Show this many lines from the previous screen when paging horizontally |
|
2458 | # Show this many lines from the previous screen when paging horizontally | |
2458 | pageoverlapx = 1 |
|
2459 | pageoverlapx = 1 | |
2459 |
|
2460 | |||
2460 | # Show this many lines from the previous screen when paging vertically |
|
2461 | # Show this many lines from the previous screen when paging vertically | |
2461 | pageoverlapy = 1 |
|
2462 | pageoverlapy = 1 | |
2462 |
|
2463 | |||
2463 | # Start scrolling when the cursor is less than this number of columns |
|
2464 | # Start scrolling when the cursor is less than this number of columns | |
2464 | # away from the left or right screen edge |
|
2465 | # away from the left or right screen edge | |
2465 | scrollborderx = 10 |
|
2466 | scrollborderx = 10 | |
2466 |
|
2467 | |||
2467 | # Start scrolling when the cursor is less than this number of lines |
|
2468 | # Start scrolling when the cursor is less than this number of lines | |
2468 | # away from the top or bottom screen edge |
|
2469 | # away from the top or bottom screen edge | |
2469 | scrollbordery = 5 |
|
2470 | scrollbordery = 5 | |
2470 |
|
2471 | |||
2471 | # Accelerate by this factor when scrolling horizontally |
|
2472 | # Accelerate by this factor when scrolling horizontally | |
2472 | acceleratex = 1.05 |
|
2473 | acceleratex = 1.05 | |
2473 |
|
2474 | |||
2474 | # Accelerate by this factor when scrolling vertically |
|
2475 | # Accelerate by this factor when scrolling vertically | |
2475 | acceleratey = 1.05 |
|
2476 | acceleratey = 1.05 | |
2476 |
|
2477 | |||
2477 | # The maximum horizontal scroll speed |
|
2478 | # The maximum horizontal scroll speed | |
2478 | # (as a factor of the screen width (i.e. 0.5 == half a screen width) |
|
2479 | # (as a factor of the screen width (i.e. 0.5 == half a screen width) | |
2479 | maxspeedx = 0.5 |
|
2480 | maxspeedx = 0.5 | |
2480 |
|
2481 | |||
2481 | # The maximum vertical scroll speed |
|
2482 | # The maximum vertical scroll speed | |
2482 | # (as a factor of the screen height (i.e. 0.5 == half a screen height) |
|
2483 | # (as a factor of the screen height (i.e. 0.5 == half a screen height) | |
2483 | maxspeedy = 0.5 |
|
2484 | maxspeedy = 0.5 | |
2484 |
|
2485 | |||
2485 | # The maximum number of header lines for browser level |
|
2486 | # The maximum number of header lines for browser level | |
2486 | # if the nesting is deeper, only the innermost levels are displayed |
|
2487 | # if the nesting is deeper, only the innermost levels are displayed | |
2487 | maxheaders = 5 |
|
2488 | maxheaders = 5 | |
2488 |
|
2489 | |||
2489 | # The approximate maximum length of a column entry |
|
2490 | # The approximate maximum length of a column entry | |
2490 | maxattrlength = 200 |
|
2491 | maxattrlength = 200 | |
2491 |
|
2492 | |||
2492 | # Styles for various parts of the GUI |
|
2493 | # Styles for various parts of the GUI | |
2493 | style_objheadertext = Style(COLOR_WHITE, COLOR_BLACK, A_BOLD|A_REVERSE) |
|
2494 | style_objheadertext = Style(COLOR_WHITE, COLOR_BLACK, A_BOLD|A_REVERSE) | |
2494 | style_objheadernumber = Style(COLOR_WHITE, COLOR_BLUE, A_BOLD|A_REVERSE) |
|
2495 | style_objheadernumber = Style(COLOR_WHITE, COLOR_BLUE, A_BOLD|A_REVERSE) | |
2495 | style_objheaderobject = Style(COLOR_WHITE, COLOR_BLACK, A_REVERSE) |
|
2496 | style_objheaderobject = Style(COLOR_WHITE, COLOR_BLACK, A_REVERSE) | |
2496 | style_colheader = Style(COLOR_BLUE, COLOR_WHITE, A_REVERSE) |
|
2497 | style_colheader = Style(COLOR_BLUE, COLOR_WHITE, A_REVERSE) | |
2497 | style_colheaderhere = Style(COLOR_GREEN, COLOR_BLACK, A_BOLD|A_REVERSE) |
|
2498 | style_colheaderhere = Style(COLOR_GREEN, COLOR_BLACK, A_BOLD|A_REVERSE) | |
2498 | style_colheadersep = Style(COLOR_BLUE, COLOR_BLACK, A_REVERSE) |
|
2499 | style_colheadersep = Style(COLOR_BLUE, COLOR_BLACK, A_REVERSE) | |
2499 | style_number = Style(COLOR_BLUE, COLOR_WHITE, A_REVERSE) |
|
2500 | style_number = Style(COLOR_BLUE, COLOR_WHITE, A_REVERSE) | |
2500 | style_numberhere = Style(COLOR_GREEN, COLOR_BLACK, A_BOLD|A_REVERSE) |
|
2501 | style_numberhere = Style(COLOR_GREEN, COLOR_BLACK, A_BOLD|A_REVERSE) | |
2501 | style_sep = Style(COLOR_BLUE, COLOR_BLACK) |
|
2502 | style_sep = Style(COLOR_BLUE, COLOR_BLACK) | |
2502 | style_data = Style(COLOR_WHITE, COLOR_BLACK) |
|
2503 | style_data = Style(COLOR_WHITE, COLOR_BLACK) | |
2503 | style_datapad = Style(COLOR_BLUE, COLOR_BLACK, A_BOLD) |
|
2504 | style_datapad = Style(COLOR_BLUE, COLOR_BLACK, A_BOLD) | |
2504 | style_footer = Style(COLOR_BLACK, COLOR_WHITE) |
|
2505 | style_footer = Style(COLOR_BLACK, COLOR_WHITE) | |
2505 | style_report = Style(COLOR_WHITE, COLOR_BLACK) |
|
2506 | style_report = Style(COLOR_WHITE, COLOR_BLACK) | |
2506 |
|
2507 | |||
2507 | # Column separator in header |
|
2508 | # Column separator in header | |
2508 | headersepchar = "|" |
|
2509 | headersepchar = "|" | |
2509 |
|
2510 | |||
2510 | # Character for padding data cell entries |
|
2511 | # Character for padding data cell entries | |
2511 | datapadchar = "." |
|
2512 | datapadchar = "." | |
2512 |
|
2513 | |||
2513 | # Column separator in data area |
|
2514 | # Column separator in data area | |
2514 | datasepchar = "|" |
|
2515 | datasepchar = "|" | |
2515 |
|
2516 | |||
2516 | # Character to use for "empty" cell (i.e. for non-existing attributes) |
|
2517 | # Character to use for "empty" cell (i.e. for non-existing attributes) | |
2517 | nodatachar = "-" |
|
2518 | nodatachar = "-" | |
2518 |
|
2519 | |||
2519 | # Prompt for the goto command |
|
2520 | # Prompt for the goto command | |
2520 | prompt_goto = "goto object #: " |
|
2521 | prompt_goto = "goto object #: " | |
2521 |
|
2522 | |||
2522 | # Maps curses key codes to "function" names |
|
2523 | # Maps curses key codes to "function" names | |
2523 | keymap = { |
|
2524 | keymap = { | |
2524 | ord("q"): "quit", |
|
2525 | ord("q"): "quit", | |
2525 | curses.KEY_UP: "up", |
|
2526 | curses.KEY_UP: "up", | |
2526 | curses.KEY_DOWN: "down", |
|
2527 | curses.KEY_DOWN: "down", | |
2527 | curses.KEY_PPAGE: "pageup", |
|
2528 | curses.KEY_PPAGE: "pageup", | |
2528 | curses.KEY_NPAGE: "pagedown", |
|
2529 | curses.KEY_NPAGE: "pagedown", | |
2529 | curses.KEY_LEFT: "left", |
|
2530 | curses.KEY_LEFT: "left", | |
2530 | curses.KEY_RIGHT: "right", |
|
2531 | curses.KEY_RIGHT: "right", | |
2531 | curses.KEY_HOME: "home", |
|
2532 | curses.KEY_HOME: "home", | |
2532 | curses.KEY_END: "end", |
|
2533 | curses.KEY_END: "end", | |
2533 | ord("<"): "prevattr", |
|
2534 | ord("<"): "prevattr", | |
2534 | 0x1b: "prevattr", # SHIFT-TAB |
|
2535 | 0x1b: "prevattr", # SHIFT-TAB | |
2535 | ord(">"): "nextattr", |
|
2536 | ord(">"): "nextattr", | |
2536 | ord("\t"):"nextattr", # TAB |
|
2537 | ord("\t"):"nextattr", # TAB | |
2537 | ord("p"): "pick", |
|
2538 | ord("p"): "pick", | |
2538 | ord("P"): "pickattr", |
|
2539 | ord("P"): "pickattr", | |
2539 | ord("C"): "pickallattrs", |
|
2540 | ord("C"): "pickallattrs", | |
2540 | ord("m"): "pickmarked", |
|
2541 | ord("m"): "pickmarked", | |
2541 | ord("M"): "pickmarkedattr", |
|
2542 | ord("M"): "pickmarkedattr", | |
2542 | ord("\n"): "enterdefault", |
|
2543 | ord("\n"): "enterdefault", | |
2543 | # FIXME: What's happening here? |
|
2544 | # FIXME: What's happening here? | |
2544 | 8: "leave", |
|
2545 | 8: "leave", | |
2545 | 127: "leave", |
|
2546 | 127: "leave", | |
2546 | curses.KEY_BACKSPACE: "leave", |
|
2547 | curses.KEY_BACKSPACE: "leave", | |
2547 | ord("x"): "leave", |
|
2548 | ord("x"): "leave", | |
2548 | ord("h"): "help", |
|
2549 | ord("h"): "help", | |
2549 | ord("e"): "enter", |
|
2550 | ord("e"): "enter", | |
2550 | ord("E"): "enterattr", |
|
2551 | ord("E"): "enterattr", | |
2551 | ord("d"): "detail", |
|
2552 | ord("d"): "detail", | |
2552 | ord("D"): "detailattr", |
|
2553 | ord("D"): "detailattr", | |
2553 | ord(" "): "tooglemark", |
|
2554 | ord(" "): "tooglemark", | |
2554 | ord("r"): "markrange", |
|
2555 | ord("r"): "markrange", | |
2555 | ord("v"): "sortattrasc", |
|
2556 | ord("v"): "sortattrasc", | |
2556 | ord("V"): "sortattrdesc", |
|
2557 | ord("V"): "sortattrdesc", | |
2557 | ord("g"): "goto", |
|
2558 | ord("g"): "goto", | |
2558 | } |
|
2559 | } | |
2559 |
|
2560 | |||
2560 | def __init__(self, *attrs): |
|
2561 | def __init__(self, *attrs): | |
2561 | """ |
|
2562 | """ | |
2562 | Create a new browser. If ``attrs`` is not empty, it is the list |
|
2563 | Create a new browser. If ``attrs`` is not empty, it is the list | |
2563 | of attributes that will be displayed in the browser, otherwise |
|
2564 | of attributes that will be displayed in the browser, otherwise | |
2564 | these will be determined by the objects on screen. |
|
2565 | these will be determined by the objects on screen. | |
2565 | """ |
|
2566 | """ | |
2566 | self.attrs = attrs |
|
2567 | self.attrs = attrs | |
2567 |
|
2568 | |||
2568 | # Stack of browser levels |
|
2569 | # Stack of browser levels | |
2569 | self.levels = [] |
|
2570 | self.levels = [] | |
2570 | # how many colums to scroll (Changes when accelerating) |
|
2571 | # how many colums to scroll (Changes when accelerating) | |
2571 | self.stepx = 1. |
|
2572 | self.stepx = 1. | |
2572 |
|
2573 | |||
2573 | # how many rows to scroll (Changes when accelerating) |
|
2574 | # how many rows to scroll (Changes when accelerating) | |
2574 | self.stepy = 1. |
|
2575 | self.stepy = 1. | |
2575 |
|
2576 | |||
2576 | # Beep on the edges of the data area? (Will be set to ``False`` |
|
2577 | # Beep on the edges of the data area? (Will be set to ``False`` | |
2577 | # once the cursor hits the edge of the screen, so we don't get |
|
2578 | # once the cursor hits the edge of the screen, so we don't get | |
2578 | # multiple beeps). |
|
2579 | # multiple beeps). | |
2579 | self._dobeep = True |
|
2580 | self._dobeep = True | |
2580 |
|
2581 | |||
2581 | # Cache for registered ``curses`` colors and styles. |
|
2582 | # Cache for registered ``curses`` colors and styles. | |
2582 | self._styles = {} |
|
2583 | self._styles = {} | |
2583 | self._colors = {} |
|
2584 | self._colors = {} | |
2584 | self._maxcolor = 1 |
|
2585 | self._maxcolor = 1 | |
2585 |
|
2586 | |||
2586 | # How many header lines do we want to paint (the numbers of levels |
|
2587 | # How many header lines do we want to paint (the numbers of levels | |
2587 | # we have, but with an upper bound) |
|
2588 | # we have, but with an upper bound) | |
2588 | self._headerlines = 1 |
|
2589 | self._headerlines = 1 | |
2589 |
|
2590 | |||
2590 | # Index of first header line |
|
2591 | # Index of first header line | |
2591 | self._firstheaderline = 0 |
|
2592 | self._firstheaderline = 0 | |
2592 |
|
2593 | |||
2593 | # curses window |
|
2594 | # curses window | |
2594 | self.scr = None |
|
2595 | self.scr = None | |
2595 | # report in the footer line (error, executed command etc.) |
|
2596 | # report in the footer line (error, executed command etc.) | |
2596 | self._report = None |
|
2597 | self._report = None | |
2597 |
|
2598 | |||
2598 | # value to be returned to the caller (set by commands) |
|
2599 | # value to be returned to the caller (set by commands) | |
2599 | self.returnvalue = None |
|
2600 | self.returnvalue = None | |
2600 |
|
2601 | |||
2601 | # The mode the browser is in |
|
2602 | # The mode the browser is in | |
2602 | # e.g. normal browsing or entering an argument for a command |
|
2603 | # e.g. normal browsing or entering an argument for a command | |
2603 | self.mode = "default" |
|
2604 | self.mode = "default" | |
2604 |
|
2605 | |||
2605 | # The partially entered row number for the goto command |
|
2606 | # The partially entered row number for the goto command | |
2606 | self.goto = "" |
|
2607 | self.goto = "" | |
2607 |
|
2608 | |||
2608 | def nextstepx(self, step): |
|
2609 | def nextstepx(self, step): | |
2609 | """ |
|
2610 | """ | |
2610 | Accelerate horizontally. |
|
2611 | Accelerate horizontally. | |
2611 | """ |
|
2612 | """ | |
2612 | return max(1., min(step*self.acceleratex, |
|
2613 | return max(1., min(step*self.acceleratex, | |
2613 | self.maxspeedx*self.levels[-1].mainsizex)) |
|
2614 | self.maxspeedx*self.levels[-1].mainsizex)) | |
2614 |
|
2615 | |||
2615 | def nextstepy(self, step): |
|
2616 | def nextstepy(self, step): | |
2616 | """ |
|
2617 | """ | |
2617 | Accelerate vertically. |
|
2618 | Accelerate vertically. | |
2618 | """ |
|
2619 | """ | |
2619 | return max(1., min(step*self.acceleratey, |
|
2620 | return max(1., min(step*self.acceleratey, | |
2620 | self.maxspeedy*self.levels[-1].mainsizey)) |
|
2621 | self.maxspeedy*self.levels[-1].mainsizey)) | |
2621 |
|
2622 | |||
2622 | def getstyle(self, style): |
|
2623 | def getstyle(self, style): | |
2623 | """ |
|
2624 | """ | |
2624 | Register the ``style`` with ``curses`` or get it from the cache, |
|
2625 | Register the ``style`` with ``curses`` or get it from the cache, | |
2625 | if it has been registered before. |
|
2626 | if it has been registered before. | |
2626 | """ |
|
2627 | """ | |
2627 | try: |
|
2628 | try: | |
2628 | return self._styles[style.fg, style.bg, style.attrs] |
|
2629 | return self._styles[style.fg, style.bg, style.attrs] | |
2629 | except KeyError: |
|
2630 | except KeyError: | |
2630 | attrs = 0 |
|
2631 | attrs = 0 | |
2631 | for b in A2CURSES: |
|
2632 | for b in A2CURSES: | |
2632 | if style.attrs & b: |
|
2633 | if style.attrs & b: | |
2633 | attrs |= A2CURSES[b] |
|
2634 | attrs |= A2CURSES[b] | |
2634 | try: |
|
2635 | try: | |
2635 | color = self._colors[style.fg, style.bg] |
|
2636 | color = self._colors[style.fg, style.bg] | |
2636 | except KeyError: |
|
2637 | except KeyError: | |
2637 | curses.init_pair( |
|
2638 | curses.init_pair( | |
2638 | self._maxcolor, |
|
2639 | self._maxcolor, | |
2639 | COLOR2CURSES[style.fg], |
|
2640 | COLOR2CURSES[style.fg], | |
2640 | COLOR2CURSES[style.bg] |
|
2641 | COLOR2CURSES[style.bg] | |
2641 | ) |
|
2642 | ) | |
2642 | color = curses.color_pair(self._maxcolor) |
|
2643 | color = curses.color_pair(self._maxcolor) | |
2643 | self._colors[style.fg, style.bg] = color |
|
2644 | self._colors[style.fg, style.bg] = color | |
2644 | self._maxcolor += 1 |
|
2645 | self._maxcolor += 1 | |
2645 | c = color | attrs |
|
2646 | c = color | attrs | |
2646 | self._styles[style.fg, style.bg, style.attrs] = c |
|
2647 | self._styles[style.fg, style.bg, style.attrs] = c | |
2647 | return c |
|
2648 | return c | |
2648 |
|
2649 | |||
2649 | def format(self, value): |
|
2650 | def format(self, value): | |
2650 | """ |
|
2651 | """ | |
2651 | Formats one attribute and returns an ``(alignment, string, style)`` |
|
2652 | Formats one attribute and returns an ``(alignment, string, style)`` | |
2652 | tuple. |
|
2653 | tuple. | |
2653 | """ |
|
2654 | """ | |
2654 | if value is None: |
|
2655 | if value is None: | |
2655 | return (-1, repr(value), style_type_none) |
|
2656 | return (-1, repr(value), style_type_none) | |
2656 | elif isinstance(value, str): |
|
2657 | elif isinstance(value, str): | |
2657 | return (-1, repr(value.expandtabs(tab))[1:-1], style_default) |
|
2658 | return (-1, repr(value.expandtabs(tab))[1:-1], style_default) | |
2658 | elif isinstance(value, unicode): |
|
2659 | elif isinstance(value, unicode): | |
2659 | return (-1, repr(value.expandtabs(tab))[2:-1], style_default) |
|
2660 | return (-1, repr(value.expandtabs(tab))[2:-1], style_default) | |
2660 | elif isinstance(value, datetime.datetime): |
|
2661 | elif isinstance(value, datetime.datetime): | |
2661 | # Don't use strftime() here, as this requires year >= 1900 |
|
2662 | # Don't use strftime() here, as this requires year >= 1900 | |
2662 | return (-1, "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ |
|
2663 | return (-1, "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ | |
2663 | (value.year, value.month, value.day, |
|
2664 | (value.year, value.month, value.day, | |
2664 | value.hour, value.minute, value.second, |
|
2665 | value.hour, value.minute, value.second, | |
2665 | value.microsecond), |
|
2666 | value.microsecond), | |
2666 | style_type_datetime) |
|
2667 | style_type_datetime) | |
2667 | elif isinstance(value, datetime.date): |
|
2668 | elif isinstance(value, datetime.date): | |
2668 | return (-1, "%04d-%02d-%02d" % \ |
|
2669 | return (-1, "%04d-%02d-%02d" % \ | |
2669 | (value.year, value.month, value.day), |
|
2670 | (value.year, value.month, value.day), | |
2670 | style_type_datetime) |
|
2671 | style_type_datetime) | |
2671 | elif isinstance(value, datetime.time): |
|
2672 | elif isinstance(value, datetime.time): | |
2672 | return (-1, "%02d:%02d:%02d.%06d" % \ |
|
2673 | return (-1, "%02d:%02d:%02d.%06d" % \ | |
2673 | (value.hour, value.minute, value.second, |
|
2674 | (value.hour, value.minute, value.second, | |
2674 | value.microsecond), |
|
2675 | value.microsecond), | |
2675 | style_type_datetime) |
|
2676 | style_type_datetime) | |
2676 | elif isinstance(value, datetime.timedelta): |
|
2677 | elif isinstance(value, datetime.timedelta): | |
2677 | return (-1, repr(value), style_type_datetime) |
|
2678 | return (-1, repr(value), style_type_datetime) | |
2678 | elif isinstance(value, bool): |
|
2679 | elif isinstance(value, bool): | |
2679 | return (-1, repr(value), style_type_bool) |
|
2680 | return (-1, repr(value), style_type_bool) | |
2680 | elif isinstance(value, (int, long, float)): |
|
2681 | elif isinstance(value, (int, long, float)): | |
2681 | return (1, repr(value), style_type_number) |
|
2682 | return (1, repr(value), style_type_number) | |
2682 | elif isinstance(value, complex): |
|
2683 | elif isinstance(value, complex): | |
2683 | return (-1, repr(value), style_type_number) |
|
2684 | return (-1, repr(value), style_type_number) | |
2684 | elif isinstance(value, Exception): |
|
2685 | elif isinstance(value, Exception): | |
2685 | if value.__class__.__module__ == "exceptions": |
|
2686 | if value.__class__.__module__ == "exceptions": | |
2686 | value = "%s: %s" % (value.__class__.__name__, value) |
|
2687 | value = "%s: %s" % (value.__class__.__name__, value) | |
2687 | else: |
|
2688 | else: | |
2688 | value = "%s.%s: %s" % \ |
|
2689 | value = "%s.%s: %s" % \ | |
2689 | (value.__class__.__module__, value.__class__.__name__, |
|
2690 | (value.__class__.__module__, value.__class__.__name__, | |
2690 | value) |
|
2691 | value) | |
2691 | return (-1, value, style_error) |
|
2692 | return (-1, value, style_error) | |
2692 | return (-1, repr(value), style_default) |
|
2693 | return (-1, repr(value), style_default) | |
2693 |
|
2694 | |||
2694 | def addstr(self, y, x, begx, endx, text, style): |
|
2695 | def addstr(self, y, x, begx, endx, text, style): | |
2695 | """ |
|
2696 | """ | |
2696 | A version of ``curses.addstr()`` that can handle ``x`` coordinates |
|
2697 | A version of ``curses.addstr()`` that can handle ``x`` coordinates | |
2697 | that are outside the screen. |
|
2698 | that are outside the screen. | |
2698 | """ |
|
2699 | """ | |
2699 | text2 = text[max(0, begx-x):max(0, endx-x)] |
|
2700 | text2 = text[max(0, begx-x):max(0, endx-x)] | |
2700 | if text2: |
|
2701 | if text2: | |
2701 | self.scr.addstr(y, max(x, begx), text2, self.getstyle(style)) |
|
2702 | self.scr.addstr(y, max(x, begx), text2, self.getstyle(style)) | |
2702 | return len(text) |
|
2703 | return len(text) | |
2703 |
|
2704 | |||
2704 | def addchr(self, y, x, begx, endx, c, l, style): |
|
2705 | def addchr(self, y, x, begx, endx, c, l, style): | |
2705 | x0 = max(x, begx) |
|
2706 | x0 = max(x, begx) | |
2706 | x1 = min(x+l, endx) |
|
2707 | x1 = min(x+l, endx) | |
2707 | if x1>x0: |
|
2708 | if x1>x0: | |
2708 | self.scr.addstr(y, x0, c*(x1-x0), self.getstyle(style)) |
|
2709 | self.scr.addstr(y, x0, c*(x1-x0), self.getstyle(style)) | |
2709 | return l |
|
2710 | return l | |
2710 |
|
2711 | |||
2711 | def _calcheaderlines(self, levels): |
|
2712 | def _calcheaderlines(self, levels): | |
2712 | # Calculate how many headerlines do we have to display, if we have |
|
2713 | # Calculate how many headerlines do we have to display, if we have | |
2713 | # ``levels`` browser levels |
|
2714 | # ``levels`` browser levels | |
2714 | if levels is None: |
|
2715 | if levels is None: | |
2715 | levels = len(self.levels) |
|
2716 | levels = len(self.levels) | |
2716 | self._headerlines = min(self.maxheaders, levels) |
|
2717 | self._headerlines = min(self.maxheaders, levels) | |
2717 | self._firstheaderline = levels-self._headerlines |
|
2718 | self._firstheaderline = levels-self._headerlines | |
2718 |
|
2719 | |||
2719 | def getstylehere(self, style): |
|
2720 | def getstylehere(self, style): | |
2720 | """ |
|
2721 | """ | |
2721 | Return a style for displaying the original style ``style`` |
|
2722 | Return a style for displaying the original style ``style`` | |
2722 | in the row the cursor is on. |
|
2723 | in the row the cursor is on. | |
2723 | """ |
|
2724 | """ | |
2724 | return Style(style.fg, style.bg, style.attrs | A_BOLD) |
|
2725 | return Style(style.fg, style.bg, style.attrs | A_BOLD) | |
2725 |
|
2726 | |||
2726 | def report(self, msg): |
|
2727 | def report(self, msg): | |
2727 | """ |
|
2728 | """ | |
2728 | Store the message ``msg`` for display below the footer line. This |
|
2729 | Store the message ``msg`` for display below the footer line. This | |
2729 | will be displayed as soon as the screen is redrawn. |
|
2730 | will be displayed as soon as the screen is redrawn. | |
2730 | """ |
|
2731 | """ | |
2731 | self._report = msg |
|
2732 | self._report = msg | |
2732 |
|
2733 | |||
2733 | def enter(self, item, mode, *attrs): |
|
2734 | def enter(self, item, mode, *attrs): | |
2734 | """ |
|
2735 | """ | |
2735 | Enter the object ``item`` in the mode ``mode``. If ``attrs`` is |
|
2736 | Enter the object ``item`` in the mode ``mode``. If ``attrs`` is | |
2736 | specified, it will be used as a fixed list of attributes to display. |
|
2737 | specified, it will be used as a fixed list of attributes to display. | |
2737 | """ |
|
2738 | """ | |
2738 | try: |
|
2739 | try: | |
2739 | iterator = xiter(item, mode) |
|
2740 | iterator = xiter(item, mode) | |
2740 | except (KeyboardInterrupt, SystemExit): |
|
2741 | except (KeyboardInterrupt, SystemExit): | |
2741 | raise |
|
2742 | raise | |
2742 | except Exception, exc: |
|
2743 | except Exception, exc: | |
2743 | curses.beep() |
|
2744 | curses.beep() | |
2744 | self.report(exc) |
|
2745 | self.report(exc) | |
2745 | else: |
|
2746 | else: | |
2746 | self._calcheaderlines(len(self.levels)+1) |
|
2747 | self._calcheaderlines(len(self.levels)+1) | |
2747 | level = _BrowserLevel( |
|
2748 | level = _BrowserLevel( | |
2748 | self, |
|
2749 | self, | |
2749 | item, |
|
2750 | item, | |
2750 | iterator, |
|
2751 | iterator, | |
2751 | self.scrsizey-1-self._headerlines-2, |
|
2752 | self.scrsizey-1-self._headerlines-2, | |
2752 | *attrs |
|
2753 | *attrs | |
2753 | ) |
|
2754 | ) | |
2754 | self.levels.append(level) |
|
2755 | self.levels.append(level) | |
2755 |
|
2756 | |||
2756 | def keylabel(self, keycode): |
|
2757 | def keylabel(self, keycode): | |
2757 | """ |
|
2758 | """ | |
2758 | Return a pretty name for the ``curses`` key ``keycode`` (used in the |
|
2759 | Return a pretty name for the ``curses`` key ``keycode`` (used in the | |
2759 | help screen and in reports about unassigned keys). |
|
2760 | help screen and in reports about unassigned keys). | |
2760 | """ |
|
2761 | """ | |
2761 | if keycode <= 0xff: |
|
2762 | if keycode <= 0xff: | |
2762 | specialsnames = { |
|
2763 | specialsnames = { | |
2763 | ord("\n"): "RETURN", |
|
2764 | ord("\n"): "RETURN", | |
2764 | ord(" "): "SPACE", |
|
2765 | ord(" "): "SPACE", | |
2765 | ord("\t"): "TAB", |
|
2766 | ord("\t"): "TAB", | |
2766 | ord("\x7f"): "DELETE", |
|
2767 | ord("\x7f"): "DELETE", | |
2767 | ord("\x08"): "BACKSPACE", |
|
2768 | ord("\x08"): "BACKSPACE", | |
2768 | } |
|
2769 | } | |
2769 | if keycode in specialsnames: |
|
2770 | if keycode in specialsnames: | |
2770 | return specialsnames[keycode] |
|
2771 | return specialsnames[keycode] | |
2771 | return repr(chr(keycode)) |
|
2772 | return repr(chr(keycode)) | |
2772 | for name in dir(curses): |
|
2773 | for name in dir(curses): | |
2773 | if name.startswith("KEY_") and getattr(curses, name) == keycode: |
|
2774 | if name.startswith("KEY_") and getattr(curses, name) == keycode: | |
2774 | return name |
|
2775 | return name | |
2775 | return str(keycode) |
|
2776 | return str(keycode) | |
2776 |
|
2777 | |||
2777 | def beep(self, force=False): |
|
2778 | def beep(self, force=False): | |
2778 | if force or self._dobeep: |
|
2779 | if force or self._dobeep: | |
2779 | curses.beep() |
|
2780 | curses.beep() | |
2780 | # don't beep again (as long as the same key is pressed) |
|
2781 | # don't beep again (as long as the same key is pressed) | |
2781 | self._dobeep = False |
|
2782 | self._dobeep = False | |
2782 |
|
2783 | |||
2783 | def cmd_quit(self): |
|
2784 | def cmd_quit(self): | |
2784 | self.returnvalue = None |
|
2785 | self.returnvalue = None | |
2785 | return True |
|
2786 | return True | |
2786 |
|
2787 | |||
2787 | def cmd_up(self): |
|
2788 | def cmd_up(self): | |
2788 | level = self.levels[-1] |
|
2789 | level = self.levels[-1] | |
2789 | self.report("up") |
|
2790 | self.report("up") | |
2790 | level.moveto(level.curx, level.cury-self.stepy) |
|
2791 | level.moveto(level.curx, level.cury-self.stepy) | |
2791 |
|
2792 | |||
2792 | def cmd_down(self): |
|
2793 | def cmd_down(self): | |
2793 | level = self.levels[-1] |
|
2794 | level = self.levels[-1] | |
2794 | self.report("down") |
|
2795 | self.report("down") | |
2795 | level.moveto(level.curx, level.cury+self.stepy) |
|
2796 | level.moveto(level.curx, level.cury+self.stepy) | |
2796 |
|
2797 | |||
2797 | def cmd_pageup(self): |
|
2798 | def cmd_pageup(self): | |
2798 | level = self.levels[-1] |
|
2799 | level = self.levels[-1] | |
2799 | self.report("page up") |
|
2800 | self.report("page up") | |
2800 | level.moveto(level.curx, level.cury-level.mainsizey+self.pageoverlapy) |
|
2801 | level.moveto(level.curx, level.cury-level.mainsizey+self.pageoverlapy) | |
2801 |
|
2802 | |||
2802 | def cmd_pagedown(self): |
|
2803 | def cmd_pagedown(self): | |
2803 | level = self.levels[-1] |
|
2804 | level = self.levels[-1] | |
2804 | self.report("page down") |
|
2805 | self.report("page down") | |
2805 | level.moveto(level.curx, level.cury+level.mainsizey-self.pageoverlapy) |
|
2806 | level.moveto(level.curx, level.cury+level.mainsizey-self.pageoverlapy) | |
2806 |
|
2807 | |||
2807 | def cmd_left(self): |
|
2808 | def cmd_left(self): | |
2808 | level = self.levels[-1] |
|
2809 | level = self.levels[-1] | |
2809 | self.report("left") |
|
2810 | self.report("left") | |
2810 | level.moveto(level.curx-self.stepx, level.cury) |
|
2811 | level.moveto(level.curx-self.stepx, level.cury) | |
2811 |
|
2812 | |||
2812 | def cmd_right(self): |
|
2813 | def cmd_right(self): | |
2813 | level = self.levels[-1] |
|
2814 | level = self.levels[-1] | |
2814 | self.report("right") |
|
2815 | self.report("right") | |
2815 | level.moveto(level.curx+self.stepx, level.cury) |
|
2816 | level.moveto(level.curx+self.stepx, level.cury) | |
2816 |
|
2817 | |||
2817 | def cmd_home(self): |
|
2818 | def cmd_home(self): | |
2818 | level = self.levels[-1] |
|
2819 | level = self.levels[-1] | |
2819 | self.report("home") |
|
2820 | self.report("home") | |
2820 | level.moveto(0, level.cury) |
|
2821 | level.moveto(0, level.cury) | |
2821 |
|
2822 | |||
2822 | def cmd_end(self): |
|
2823 | def cmd_end(self): | |
2823 | level = self.levels[-1] |
|
2824 | level = self.levels[-1] | |
2824 | self.report("end") |
|
2825 | self.report("end") | |
2825 | level.moveto(level.datasizex+level.mainsizey-self.pageoverlapx, level.cury) |
|
2826 | level.moveto(level.datasizex+level.mainsizey-self.pageoverlapx, level.cury) | |
2826 |
|
2827 | |||
2827 | def cmd_prevattr(self): |
|
2828 | def cmd_prevattr(self): | |
2828 | level = self.levels[-1] |
|
2829 | level = self.levels[-1] | |
2829 | if level.displayattr[0] is None or level.displayattr[0] == 0: |
|
2830 | if level.displayattr[0] is None or level.displayattr[0] == 0: | |
2830 | self.beep() |
|
2831 | self.beep() | |
2831 | else: |
|
2832 | else: | |
2832 | self.report("prevattr") |
|
2833 | self.report("prevattr") | |
2833 | pos = 0 |
|
2834 | pos = 0 | |
2834 | for (i, attrname) in enumerate(level.displayattrs): |
|
2835 | for (i, attrname) in enumerate(level.displayattrs): | |
2835 | if i == level.displayattr[0]-1: |
|
2836 | if i == level.displayattr[0]-1: | |
2836 | break |
|
2837 | break | |
2837 | pos += level.colwidths[attrname] + 1 |
|
2838 | pos += level.colwidths[attrname] + 1 | |
2838 | level.moveto(pos, level.cury) |
|
2839 | level.moveto(pos, level.cury) | |
2839 |
|
2840 | |||
2840 | def cmd_nextattr(self): |
|
2841 | def cmd_nextattr(self): | |
2841 | level = self.levels[-1] |
|
2842 | level = self.levels[-1] | |
2842 | if level.displayattr[0] is None or level.displayattr[0] == len(level.displayattrs)-1: |
|
2843 | if level.displayattr[0] is None or level.displayattr[0] == len(level.displayattrs)-1: | |
2843 | self.beep() |
|
2844 | self.beep() | |
2844 | else: |
|
2845 | else: | |
2845 | self.report("nextattr") |
|
2846 | self.report("nextattr") | |
2846 | pos = 0 |
|
2847 | pos = 0 | |
2847 | for (i, attrname) in enumerate(level.displayattrs): |
|
2848 | for (i, attrname) in enumerate(level.displayattrs): | |
2848 | if i == level.displayattr[0]+1: |
|
2849 | if i == level.displayattr[0]+1: | |
2849 | break |
|
2850 | break | |
2850 | pos += level.colwidths[attrname] + 1 |
|
2851 | pos += level.colwidths[attrname] + 1 | |
2851 | level.moveto(pos, level.cury) |
|
2852 | level.moveto(pos, level.cury) | |
2852 |
|
2853 | |||
2853 | def cmd_pick(self): |
|
2854 | def cmd_pick(self): | |
2854 | level = self.levels[-1] |
|
2855 | level = self.levels[-1] | |
2855 | self.returnvalue = level.items[level.cury].item |
|
2856 | self.returnvalue = level.items[level.cury].item | |
2856 | return True |
|
2857 | return True | |
2857 |
|
2858 | |||
2858 | def cmd_pickattr(self): |
|
2859 | def cmd_pickattr(self): | |
2859 | level = self.levels[-1] |
|
2860 | level = self.levels[-1] | |
2860 | attrname = level.displayattr[1] |
|
2861 | attrname = level.displayattr[1] | |
2861 | if attrname is _default: |
|
2862 | if attrname is _default: | |
2862 | curses.beep() |
|
2863 | curses.beep() | |
2863 | self.report(AttributeError(_attrname(attrname))) |
|
2864 | self.report(AttributeError(_attrname(attrname))) | |
2864 | return |
|
2865 | return | |
2865 | attr = _getattr(level.items[level.cury].item, attrname) |
|
2866 | attr = _getattr(level.items[level.cury].item, attrname) | |
2866 | if attr is _default: |
|
2867 | if attr is _default: | |
2867 | curses.beep() |
|
2868 | curses.beep() | |
2868 | self.report(AttributeError(_attrname(attrname))) |
|
2869 | self.report(AttributeError(_attrname(attrname))) | |
2869 | else: |
|
2870 | else: | |
2870 | self.returnvalue = attr |
|
2871 | self.returnvalue = attr | |
2871 | return True |
|
2872 | return True | |
2872 |
|
2873 | |||
2873 | def cmd_pickallattrs(self): |
|
2874 | def cmd_pickallattrs(self): | |
2874 | level = self.levels[-1] |
|
2875 | level = self.levels[-1] | |
2875 | attrname = level.displayattr[1] |
|
2876 | attrname = level.displayattr[1] | |
2876 | if attrname is _default: |
|
2877 | if attrname is _default: | |
2877 | curses.beep() |
|
2878 | curses.beep() | |
2878 | self.report(AttributeError(_attrname(attrname))) |
|
2879 | self.report(AttributeError(_attrname(attrname))) | |
2879 | return |
|
2880 | return | |
2880 | result = [] |
|
2881 | result = [] | |
2881 | for cache in level.items: |
|
2882 | for cache in level.items: | |
2882 | attr = _getattr(cache.item, attrname) |
|
2883 | attr = _getattr(cache.item, attrname) | |
2883 | if attr is not _default: |
|
2884 | if attr is not _default: | |
2884 | result.append(attr) |
|
2885 | result.append(attr) | |
2885 | self.returnvalue = result |
|
2886 | self.returnvalue = result | |
2886 | return True |
|
2887 | return True | |
2887 |
|
2888 | |||
2888 | def cmd_pickmarked(self): |
|
2889 | def cmd_pickmarked(self): | |
2889 | level = self.levels[-1] |
|
2890 | level = self.levels[-1] | |
2890 | self.returnvalue = [cache.item for cache in level.items if cache.marked] |
|
2891 | self.returnvalue = [cache.item for cache in level.items if cache.marked] | |
2891 | return True |
|
2892 | return True | |
2892 |
|
2893 | |||
2893 | def cmd_pickmarkedattr(self): |
|
2894 | def cmd_pickmarkedattr(self): | |
2894 | level = self.levels[-1] |
|
2895 | level = self.levels[-1] | |
2895 | attrname = level.displayattr[1] |
|
2896 | attrname = level.displayattr[1] | |
2896 | if attrname is _default: |
|
2897 | if attrname is _default: | |
2897 | curses.beep() |
|
2898 | curses.beep() | |
2898 | self.report(AttributeError(_attrname(attrname))) |
|
2899 | self.report(AttributeError(_attrname(attrname))) | |
2899 | return |
|
2900 | return | |
2900 | result = [] |
|
2901 | result = [] | |
2901 | for cache in level.items: |
|
2902 | for cache in level.items: | |
2902 | if cache.marked: |
|
2903 | if cache.marked: | |
2903 | attr = _getattr(cache.item, attrname) |
|
2904 | attr = _getattr(cache.item, attrname) | |
2904 | if attr is not _default: |
|
2905 | if attr is not _default: | |
2905 | result.append(attr) |
|
2906 | result.append(attr) | |
2906 | self.returnvalue = result |
|
2907 | self.returnvalue = result | |
2907 | return True |
|
2908 | return True | |
2908 |
|
2909 | |||
2909 | def cmd_markrange(self): |
|
2910 | def cmd_markrange(self): | |
2910 | level = self.levels[-1] |
|
2911 | level = self.levels[-1] | |
2911 | self.report("markrange") |
|
2912 | self.report("markrange") | |
2912 | start = None |
|
2913 | start = None | |
2913 | if level.items: |
|
2914 | if level.items: | |
2914 | for i in xrange(level.cury, -1, -1): |
|
2915 | for i in xrange(level.cury, -1, -1): | |
2915 | if level.items[i].marked: |
|
2916 | if level.items[i].marked: | |
2916 | start = i |
|
2917 | start = i | |
2917 | break |
|
2918 | break | |
2918 | if start is None: |
|
2919 | if start is None: | |
2919 | self.report(CommandError("no mark before cursor")) |
|
2920 | self.report(CommandError("no mark before cursor")) | |
2920 | curses.beep() |
|
2921 | curses.beep() | |
2921 | else: |
|
2922 | else: | |
2922 | for i in xrange(start, level.cury+1): |
|
2923 | for i in xrange(start, level.cury+1): | |
2923 | cache = level.items[i] |
|
2924 | cache = level.items[i] | |
2924 | if not cache.marked: |
|
2925 | if not cache.marked: | |
2925 | cache.marked = True |
|
2926 | cache.marked = True | |
2926 | level.marked += 1 |
|
2927 | level.marked += 1 | |
2927 |
|
2928 | |||
2928 | def cmd_enterdefault(self): |
|
2929 | def cmd_enterdefault(self): | |
2929 | level = self.levels[-1] |
|
2930 | level = self.levels[-1] | |
2930 | try: |
|
2931 | try: | |
2931 | item = level.items[level.cury].item |
|
2932 | item = level.items[level.cury].item | |
2932 | except IndexError: |
|
2933 | except IndexError: | |
2933 | self.report(CommandError("No object")) |
|
2934 | self.report(CommandError("No object")) | |
2934 | curses.beep() |
|
2935 | curses.beep() | |
2935 | else: |
|
2936 | else: | |
2936 | self.report("entering object (default mode)...") |
|
2937 | self.report("entering object (default mode)...") | |
2937 | self.enter(item, "default") |
|
2938 | self.enter(item, "default") | |
2938 |
|
2939 | |||
2939 | def cmd_leave(self): |
|
2940 | def cmd_leave(self): | |
2940 | self.report("leave") |
|
2941 | self.report("leave") | |
2941 | if len(self.levels) > 1: |
|
2942 | if len(self.levels) > 1: | |
2942 | self._calcheaderlines(len(self.levels)-1) |
|
2943 | self._calcheaderlines(len(self.levels)-1) | |
2943 | self.levels.pop(-1) |
|
2944 | self.levels.pop(-1) | |
2944 | else: |
|
2945 | else: | |
2945 | self.report(CommandError("This is the last level")) |
|
2946 | self.report(CommandError("This is the last level")) | |
2946 | curses.beep() |
|
2947 | curses.beep() | |
2947 |
|
2948 | |||
2948 | def cmd_enter(self): |
|
2949 | def cmd_enter(self): | |
2949 | level = self.levels[-1] |
|
2950 | level = self.levels[-1] | |
2950 | try: |
|
2951 | try: | |
2951 | item = level.items[level.cury].item |
|
2952 | item = level.items[level.cury].item | |
2952 | except IndexError: |
|
2953 | except IndexError: | |
2953 | self.report(CommandError("No object")) |
|
2954 | self.report(CommandError("No object")) | |
2954 | curses.beep() |
|
2955 | curses.beep() | |
2955 | else: |
|
2956 | else: | |
2956 | self.report("entering object...") |
|
2957 | self.report("entering object...") | |
2957 | self.enter(item, None) |
|
2958 | self.enter(item, None) | |
2958 |
|
2959 | |||
2959 | def cmd_enterattr(self): |
|
2960 | def cmd_enterattr(self): | |
2960 | level = self.levels[-1] |
|
2961 | level = self.levels[-1] | |
2961 | attrname = level.displayattr[1] |
|
2962 | attrname = level.displayattr[1] | |
2962 | if attrname is _default: |
|
2963 | if attrname is _default: | |
2963 | curses.beep() |
|
2964 | curses.beep() | |
2964 | self.report(AttributeError(_attrname(attrname))) |
|
2965 | self.report(AttributeError(_attrname(attrname))) | |
2965 | return |
|
2966 | return | |
2966 | try: |
|
2967 | try: | |
2967 | item = level.items[level.cury].item |
|
2968 | item = level.items[level.cury].item | |
2968 | except IndexError: |
|
2969 | except IndexError: | |
2969 | self.report(CommandError("No object")) |
|
2970 | self.report(CommandError("No object")) | |
2970 | curses.beep() |
|
2971 | curses.beep() | |
2971 | else: |
|
2972 | else: | |
2972 | attr = _getattr(item, attrname) |
|
2973 | attr = _getattr(item, attrname) | |
2973 | if attr is _default: |
|
2974 | if attr is _default: | |
2974 | self.report(AttributeError(_attrname(attrname))) |
|
2975 | self.report(AttributeError(_attrname(attrname))) | |
2975 | else: |
|
2976 | else: | |
2976 | self.report("entering object attribute %s..." % _attrname(attrname)) |
|
2977 | self.report("entering object attribute %s..." % _attrname(attrname)) | |
2977 | self.enter(attr, None) |
|
2978 | self.enter(attr, None) | |
2978 |
|
2979 | |||
2979 | def cmd_detail(self): |
|
2980 | def cmd_detail(self): | |
2980 | level = self.levels[-1] |
|
2981 | level = self.levels[-1] | |
2981 | try: |
|
2982 | try: | |
2982 | item = level.items[level.cury].item |
|
2983 | item = level.items[level.cury].item | |
2983 | except IndexError: |
|
2984 | except IndexError: | |
2984 | self.report(CommandError("No object")) |
|
2985 | self.report(CommandError("No object")) | |
2985 | curses.beep() |
|
2986 | curses.beep() | |
2986 | else: |
|
2987 | else: | |
2987 | self.report("entering detail view for object...") |
|
2988 | self.report("entering detail view for object...") | |
2988 | self.enter(item, "detail") |
|
2989 | self.enter(item, "detail") | |
2989 |
|
2990 | |||
2990 | def cmd_detailattr(self): |
|
2991 | def cmd_detailattr(self): | |
2991 | level = self.levels[-1] |
|
2992 | level = self.levels[-1] | |
2992 | attrname = level.displayattr[1] |
|
2993 | attrname = level.displayattr[1] | |
2993 | if attrname is _default: |
|
2994 | if attrname is _default: | |
2994 | curses.beep() |
|
2995 | curses.beep() | |
2995 | self.report(AttributeError(_attrname(attrname))) |
|
2996 | self.report(AttributeError(_attrname(attrname))) | |
2996 | return |
|
2997 | return | |
2997 | try: |
|
2998 | try: | |
2998 | item = level.items[level.cury].item |
|
2999 | item = level.items[level.cury].item | |
2999 | except IndexError: |
|
3000 | except IndexError: | |
3000 | self.report(CommandError("No object")) |
|
3001 | self.report(CommandError("No object")) | |
3001 | curses.beep() |
|
3002 | curses.beep() | |
3002 | else: |
|
3003 | else: | |
3003 | attr = _getattr(item, attrname) |
|
3004 | attr = _getattr(item, attrname) | |
3004 | if attr is _default: |
|
3005 | if attr is _default: | |
3005 | self.report(AttributeError(_attrname(attrname))) |
|
3006 | self.report(AttributeError(_attrname(attrname))) | |
3006 | else: |
|
3007 | else: | |
3007 | self.report("entering detail view for attribute...") |
|
3008 | self.report("entering detail view for attribute...") | |
3008 | self.enter(attr, "detail") |
|
3009 | self.enter(attr, "detail") | |
3009 |
|
3010 | |||
3010 | def cmd_tooglemark(self): |
|
3011 | def cmd_tooglemark(self): | |
3011 | level = self.levels[-1] |
|
3012 | level = self.levels[-1] | |
3012 | self.report("toggle mark") |
|
3013 | self.report("toggle mark") | |
3013 | try: |
|
3014 | try: | |
3014 | item = level.items[level.cury] |
|
3015 | item = level.items[level.cury] | |
3015 | except IndexError: # no items? |
|
3016 | except IndexError: # no items? | |
3016 | pass |
|
3017 | pass | |
3017 | else: |
|
3018 | else: | |
3018 | if item.marked: |
|
3019 | if item.marked: | |
3019 | item.marked = False |
|
3020 | item.marked = False | |
3020 | level.marked -= 1 |
|
3021 | level.marked -= 1 | |
3021 | else: |
|
3022 | else: | |
3022 | item.marked = True |
|
3023 | item.marked = True | |
3023 | level.marked += 1 |
|
3024 | level.marked += 1 | |
3024 |
|
3025 | |||
3025 | def cmd_sortattrasc(self): |
|
3026 | def cmd_sortattrasc(self): | |
3026 | level = self.levels[-1] |
|
3027 | level = self.levels[-1] | |
3027 | attrname = level.displayattr[1] |
|
3028 | attrname = level.displayattr[1] | |
3028 | if attrname is _default: |
|
3029 | if attrname is _default: | |
3029 | curses.beep() |
|
3030 | curses.beep() | |
3030 | self.report(AttributeError(_attrname(attrname))) |
|
3031 | self.report(AttributeError(_attrname(attrname))) | |
3031 | return |
|
3032 | return | |
3032 | self.report("sort by %s (ascending)" % _attrname(attrname)) |
|
3033 | self.report("sort by %s (ascending)" % _attrname(attrname)) | |
3033 | def key(item): |
|
3034 | def key(item): | |
3034 | try: |
|
3035 | try: | |
3035 | return _getattr(item, attrname, None) |
|
3036 | return _getattr(item, attrname, None) | |
3036 | except (KeyboardInterrupt, SystemExit): |
|
3037 | except (KeyboardInterrupt, SystemExit): | |
3037 | raise |
|
3038 | raise | |
3038 | except Exception: |
|
3039 | except Exception: | |
3039 | return None |
|
3040 | return None | |
3040 | level.sort(key) |
|
3041 | level.sort(key) | |
3041 |
|
3042 | |||
3042 | def cmd_sortattrdesc(self): |
|
3043 | def cmd_sortattrdesc(self): | |
3043 | level = self.levels[-1] |
|
3044 | level = self.levels[-1] | |
3044 | attrname = level.displayattr[1] |
|
3045 | attrname = level.displayattr[1] | |
3045 | if attrname is _default: |
|
3046 | if attrname is _default: | |
3046 | curses.beep() |
|
3047 | curses.beep() | |
3047 | self.report(AttributeError(_attrname(attrname))) |
|
3048 | self.report(AttributeError(_attrname(attrname))) | |
3048 | return |
|
3049 | return | |
3049 | self.report("sort by %s (descending)" % _attrname(attrname)) |
|
3050 | self.report("sort by %s (descending)" % _attrname(attrname)) | |
3050 | def key(item): |
|
3051 | def key(item): | |
3051 | try: |
|
3052 | try: | |
3052 | return _getattr(item, attrname, None) |
|
3053 | return _getattr(item, attrname, None) | |
3053 | except (KeyboardInterrupt, SystemExit): |
|
3054 | except (KeyboardInterrupt, SystemExit): | |
3054 | raise |
|
3055 | raise | |
3055 | except Exception: |
|
3056 | except Exception: | |
3056 | return None |
|
3057 | return None | |
3057 | level.sort(key, reverse=True) |
|
3058 | level.sort(key, reverse=True) | |
3058 |
|
3059 | |||
3059 | def cmd_goto(self): |
|
3060 | def cmd_goto(self): | |
3060 | self.mode = "goto" |
|
3061 | self.mode = "goto" | |
3061 | self.goto = "" |
|
3062 | self.goto = "" | |
3062 |
|
3063 | |||
3063 | def cmd_help(self): |
|
3064 | def cmd_help(self): | |
3064 | """ |
|
3065 | """ | |
3065 | The help command |
|
3066 | The help command | |
3066 | """ |
|
3067 | """ | |
3067 | for level in self.levels: |
|
3068 | for level in self.levels: | |
3068 | if isinstance(level.input, _BrowserHelp): |
|
3069 | if isinstance(level.input, _BrowserHelp): | |
3069 | curses.beep() |
|
3070 | curses.beep() | |
3070 | self.report(CommandError("help already active")) |
|
3071 | self.report(CommandError("help already active")) | |
3071 | return |
|
3072 | return | |
3072 |
|
3073 | |||
3073 | self.enter(_BrowserHelp(self), "default") |
|
3074 | self.enter(_BrowserHelp(self), "default") | |
3074 |
|
3075 | |||
3075 | def _dodisplay(self, scr): |
|
3076 | def _dodisplay(self, scr): | |
3076 | """ |
|
3077 | """ | |
3077 | This method is the workhorse of the browser. It handles screen |
|
3078 | This method is the workhorse of the browser. It handles screen | |
3078 | drawing and the keyboard. |
|
3079 | drawing and the keyboard. | |
3079 | """ |
|
3080 | """ | |
3080 | self.scr = scr |
|
3081 | self.scr = scr | |
3081 | curses.halfdelay(1) |
|
3082 | curses.halfdelay(1) | |
3082 | footery = 2 |
|
3083 | footery = 2 | |
3083 |
|
3084 | |||
3084 | keys = [] |
|
3085 | keys = [] | |
3085 | for (key, cmd) in self.keymap.iteritems(): |
|
3086 | for (key, cmd) in self.keymap.iteritems(): | |
3086 | if cmd == "quit": |
|
3087 | if cmd == "quit": | |
3087 | keys.append("%s=%s" % (self.keylabel(key), cmd)) |
|
3088 | keys.append("%s=%s" % (self.keylabel(key), cmd)) | |
3088 | for (key, cmd) in self.keymap.iteritems(): |
|
3089 | for (key, cmd) in self.keymap.iteritems(): | |
3089 | if cmd == "help": |
|
3090 | if cmd == "help": | |
3090 | keys.append("%s=%s" % (self.keylabel(key), cmd)) |
|
3091 | keys.append("%s=%s" % (self.keylabel(key), cmd)) | |
3091 | helpmsg = " | %s" % " ".join(keys) |
|
3092 | helpmsg = " | %s" % " ".join(keys) | |
3092 |
|
3093 | |||
3093 | scr.clear() |
|
3094 | scr.clear() | |
3094 | msg = "Fetching first batch of objects..." |
|
3095 | msg = "Fetching first batch of objects..." | |
3095 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() |
|
3096 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() | |
3096 | scr.addstr(self.scrsizey//2, (self.scrsizex-len(msg))//2, msg) |
|
3097 | scr.addstr(self.scrsizey//2, (self.scrsizex-len(msg))//2, msg) | |
3097 | scr.refresh() |
|
3098 | scr.refresh() | |
3098 |
|
3099 | |||
3099 | lastc = -1 |
|
3100 | lastc = -1 | |
3100 |
|
3101 | |||
3101 | self.levels = [] |
|
3102 | self.levels = [] | |
3102 | # enter the first level |
|
3103 | # enter the first level | |
3103 | self.enter(self.input, xiter(self.input, "default"), *self.attrs) |
|
3104 | self.enter(self.input, xiter(self.input, "default"), *self.attrs) | |
3104 |
|
3105 | |||
3105 | self._calcheaderlines(None) |
|
3106 | self._calcheaderlines(None) | |
3106 |
|
3107 | |||
3107 | while True: |
|
3108 | while True: | |
3108 | level = self.levels[-1] |
|
3109 | level = self.levels[-1] | |
3109 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() |
|
3110 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() | |
3110 | level.mainsizey = self.scrsizey-1-self._headerlines-footery |
|
3111 | level.mainsizey = self.scrsizey-1-self._headerlines-footery | |
3111 |
|
3112 | |||
3112 | # Paint object header |
|
3113 | # Paint object header | |
3113 | for i in xrange(self._firstheaderline, self._firstheaderline+self._headerlines): |
|
3114 | for i in xrange(self._firstheaderline, self._firstheaderline+self._headerlines): | |
3114 | lv = self.levels[i] |
|
3115 | lv = self.levels[i] | |
3115 | posx = 0 |
|
3116 | posx = 0 | |
3116 | posy = i-self._firstheaderline |
|
3117 | posy = i-self._firstheaderline | |
3117 | endx = self.scrsizex |
|
3118 | endx = self.scrsizex | |
3118 | if i: # not the first level |
|
3119 | if i: # not the first level | |
3119 | msg = " (%d/%d" % (self.levels[i-1].cury, len(self.levels[i-1].items)) |
|
3120 | msg = " (%d/%d" % (self.levels[i-1].cury, len(self.levels[i-1].items)) | |
3120 | if not self.levels[i-1].exhausted: |
|
3121 | if not self.levels[i-1].exhausted: | |
3121 | msg += "+" |
|
3122 | msg += "+" | |
3122 | msg += ") " |
|
3123 | msg += ") " | |
3123 | endx -= len(msg)+1 |
|
3124 | endx -= len(msg)+1 | |
3124 | posx += self.addstr(posy, posx, 0, endx, " ibrowse #%d: " % i, self.style_objheadertext) |
|
3125 | posx += self.addstr(posy, posx, 0, endx, " ibrowse #%d: " % i, self.style_objheadertext) | |
3125 | for (style, text) in lv.header: |
|
3126 | for (style, text) in lv.header: | |
3126 | posx += self.addstr(posy, posx, 0, endx, text, self.style_objheaderobject) |
|
3127 | posx += self.addstr(posy, posx, 0, endx, text, self.style_objheaderobject) | |
3127 | if posx >= endx: |
|
3128 | if posx >= endx: | |
3128 | break |
|
3129 | break | |
3129 | if i: |
|
3130 | if i: | |
3130 | posx += self.addstr(posy, posx, 0, self.scrsizex, msg, self.style_objheadernumber) |
|
3131 | posx += self.addstr(posy, posx, 0, self.scrsizex, msg, self.style_objheadernumber) | |
3131 | posx += self.addchr(posy, posx, 0, self.scrsizex, " ", self.scrsizex-posx, self.style_objheadernumber) |
|
3132 | posx += self.addchr(posy, posx, 0, self.scrsizex, " ", self.scrsizex-posx, self.style_objheadernumber) | |
3132 |
|
3133 | |||
3133 | if not level.items: |
|
3134 | if not level.items: | |
3134 | self.addchr(self._headerlines, 0, 0, self.scrsizex, " ", self.scrsizex, self.style_colheader) |
|
3135 | self.addchr(self._headerlines, 0, 0, self.scrsizex, " ", self.scrsizex, self.style_colheader) | |
3135 | self.addstr(self._headerlines+1, 0, 0, self.scrsizex, " <empty>", style_error) |
|
3136 | self.addstr(self._headerlines+1, 0, 0, self.scrsizex, " <empty>", style_error) | |
3136 | scr.clrtobot() |
|
3137 | scr.clrtobot() | |
3137 | else: |
|
3138 | else: | |
3138 | # Paint column headers |
|
3139 | # Paint column headers | |
3139 | scr.move(self._headerlines, 0) |
|
3140 | scr.move(self._headerlines, 0) | |
3140 | scr.addstr(" %*s " % (level.numbersizex, "#"), self.getstyle(self.style_colheader)) |
|
3141 | scr.addstr(" %*s " % (level.numbersizex, "#"), self.getstyle(self.style_colheader)) | |
3141 | scr.addstr(self.headersepchar, self.getstyle(self.style_colheadersep)) |
|
3142 | scr.addstr(self.headersepchar, self.getstyle(self.style_colheadersep)) | |
3142 | begx = level.numbersizex+3 |
|
3143 | begx = level.numbersizex+3 | |
3143 | posx = begx-level.datastartx |
|
3144 | posx = begx-level.datastartx | |
3144 | for attrname in level.displayattrs: |
|
3145 | for attrname in level.displayattrs: | |
3145 | strattrname = _attrname(attrname) |
|
3146 | strattrname = _attrname(attrname) | |
3146 | cwidth = level.colwidths[attrname] |
|
3147 | cwidth = level.colwidths[attrname] | |
3147 | header = strattrname.ljust(cwidth) |
|
3148 | header = strattrname.ljust(cwidth) | |
3148 | if attrname == level.displayattr[1]: |
|
3149 | if attrname == level.displayattr[1]: | |
3149 | style = self.style_colheaderhere |
|
3150 | style = self.style_colheaderhere | |
3150 | else: |
|
3151 | else: | |
3151 | style = self.style_colheader |
|
3152 | style = self.style_colheader | |
3152 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, header, style) |
|
3153 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, header, style) | |
3153 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, self.headersepchar, self.style_colheadersep) |
|
3154 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, self.headersepchar, self.style_colheadersep) | |
3154 | if posx >= self.scrsizex: |
|
3155 | if posx >= self.scrsizex: | |
3155 | break |
|
3156 | break | |
3156 | else: |
|
3157 | else: | |
3157 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_colheader)) |
|
3158 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_colheader)) | |
3158 |
|
3159 | |||
3159 | # Paint rows |
|
3160 | # Paint rows | |
3160 | posy = self._headerlines+1+level.datastarty |
|
3161 | posy = self._headerlines+1+level.datastarty | |
3161 | for i in xrange(level.datastarty, min(level.datastarty+level.mainsizey, len(level.items))): |
|
3162 | for i in xrange(level.datastarty, min(level.datastarty+level.mainsizey, len(level.items))): | |
3162 | cache = level.items[i] |
|
3163 | cache = level.items[i] | |
3163 | if i == level.cury: |
|
3164 | if i == level.cury: | |
3164 | style = self.style_numberhere |
|
3165 | style = self.style_numberhere | |
3165 | else: |
|
3166 | else: | |
3166 | style = self.style_number |
|
3167 | style = self.style_number | |
3167 |
|
3168 | |||
3168 | posy = self._headerlines+1+i-level.datastarty |
|
3169 | posy = self._headerlines+1+i-level.datastarty | |
3169 | posx = begx-level.datastartx |
|
3170 | posx = begx-level.datastartx | |
3170 |
|
3171 | |||
3171 | scr.move(posy, 0) |
|
3172 | scr.move(posy, 0) | |
3172 | scr.addstr(" %*d%s" % (level.numbersizex, i, " !"[cache.marked]), self.getstyle(style)) |
|
3173 | scr.addstr(" %*d%s" % (level.numbersizex, i, " !"[cache.marked]), self.getstyle(style)) | |
3173 | scr.addstr(self.headersepchar, self.getstyle(self.style_sep)) |
|
3174 | scr.addstr(self.headersepchar, self.getstyle(self.style_sep)) | |
3174 |
|
3175 | |||
3175 | for attrname in level.displayattrs: |
|
3176 | for attrname in level.displayattrs: | |
3176 | cwidth = level.colwidths[attrname] |
|
3177 | cwidth = level.colwidths[attrname] | |
3177 | try: |
|
3178 | try: | |
3178 | (align, length, parts) = level.displayrows[i-level.datastarty][attrname] |
|
3179 | (align, length, parts) = level.displayrows[i-level.datastarty][attrname] | |
3179 | except KeyError: |
|
3180 | except KeyError: | |
3180 | align = 2 |
|
3181 | align = 2 | |
3181 | style = style_nodata |
|
3182 | style = style_nodata | |
3182 | padstyle = self.style_datapad |
|
3183 | padstyle = self.style_datapad | |
3183 | sepstyle = self.style_sep |
|
3184 | sepstyle = self.style_sep | |
3184 | if i == level.cury: |
|
3185 | if i == level.cury: | |
3185 | padstyle = self.getstylehere(padstyle) |
|
3186 | padstyle = self.getstylehere(padstyle) | |
3186 | sepstyle = self.getstylehere(sepstyle) |
|
3187 | sepstyle = self.getstylehere(sepstyle) | |
3187 | if align == 2: |
|
3188 | if align == 2: | |
3188 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.nodatachar, cwidth, style) |
|
3189 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.nodatachar, cwidth, style) | |
3189 | else: |
|
3190 | else: | |
3190 | if align == 1: |
|
3191 | if align == 1: | |
3191 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) |
|
3192 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) | |
3192 | elif align == 0: |
|
3193 | elif align == 0: | |
3193 | pad1 = (cwidth-length)//2 |
|
3194 | pad1 = (cwidth-length)//2 | |
3194 | pad2 = cwidth-length-len(pad1) |
|
3195 | pad2 = cwidth-length-len(pad1) | |
3195 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad1, padstyle) |
|
3196 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad1, padstyle) | |
3196 | for (style, text) in parts: |
|
3197 | for (style, text) in parts: | |
3197 | if i == level.cury: |
|
3198 | if i == level.cury: | |
3198 | style = self.getstylehere(style) |
|
3199 | style = self.getstylehere(style) | |
3199 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) |
|
3200 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) | |
3200 | if posx >= self.scrsizex: |
|
3201 | if posx >= self.scrsizex: | |
3201 | break |
|
3202 | break | |
3202 | if align == -1: |
|
3203 | if align == -1: | |
3203 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) |
|
3204 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) | |
3204 | elif align == 0: |
|
3205 | elif align == 0: | |
3205 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad2, padstyle) |
|
3206 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad2, padstyle) | |
3206 | posx += self.addstr(posy, posx, begx, self.scrsizex, self.datasepchar, sepstyle) |
|
3207 | posx += self.addstr(posy, posx, begx, self.scrsizex, self.datasepchar, sepstyle) | |
3207 | else: |
|
3208 | else: | |
3208 | scr.clrtoeol() |
|
3209 | scr.clrtoeol() | |
3209 |
|
3210 | |||
3210 | # Add blank row headers for the rest of the screen |
|
3211 | # Add blank row headers for the rest of the screen | |
3211 | for posy in xrange(posy+1, self.scrsizey-2): |
|
3212 | for posy in xrange(posy+1, self.scrsizey-2): | |
3212 | scr.addstr(posy, 0, " " * (level.numbersizex+2), self.getstyle(self.style_colheader)) |
|
3213 | scr.addstr(posy, 0, " " * (level.numbersizex+2), self.getstyle(self.style_colheader)) | |
3213 | scr.clrtoeol() |
|
3214 | scr.clrtoeol() | |
3214 |
|
3215 | |||
3215 | posy = self.scrsizey-footery |
|
3216 | posy = self.scrsizey-footery | |
3216 | # Display footer |
|
3217 | # Display footer | |
3217 | scr.addstr(posy, 0, " "*self.scrsizex, self.getstyle(self.style_footer)) |
|
3218 | scr.addstr(posy, 0, " "*self.scrsizex, self.getstyle(self.style_footer)) | |
3218 |
|
3219 | |||
3219 | if level.exhausted: |
|
3220 | if level.exhausted: | |
3220 | flag = "" |
|
3221 | flag = "" | |
3221 | else: |
|
3222 | else: | |
3222 | flag = "+" |
|
3223 | flag = "+" | |
3223 |
|
3224 | |||
3224 | endx = self.scrsizex-len(helpmsg)-1 |
|
3225 | endx = self.scrsizex-len(helpmsg)-1 | |
3225 | scr.addstr(posy, endx, helpmsg, self.getstyle(self.style_footer)) |
|
3226 | scr.addstr(posy, endx, helpmsg, self.getstyle(self.style_footer)) | |
3226 |
|
3227 | |||
3227 | posx = 0 |
|
3228 | posx = 0 | |
3228 | msg = " %d%s objects (%d marked): " % (len(level.items), flag, level.marked) |
|
3229 | msg = " %d%s objects (%d marked): " % (len(level.items), flag, level.marked) | |
3229 | posx += self.addstr(posy, posx, 0, endx, msg, self.style_footer) |
|
3230 | posx += self.addstr(posy, posx, 0, endx, msg, self.style_footer) | |
3230 | try: |
|
3231 | try: | |
3231 | item = level.items[level.cury].item |
|
3232 | item = level.items[level.cury].item | |
3232 | except IndexError: # empty |
|
3233 | except IndexError: # empty | |
3233 | pass |
|
3234 | pass | |
3234 | else: |
|
3235 | else: | |
3235 | for (nostyle, text) in xrepr(item, "footer"): |
|
3236 | for (nostyle, text) in xrepr(item, "footer"): | |
3236 | if not isinstance(nostyle, int): |
|
3237 | if not isinstance(nostyle, int): | |
3237 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) |
|
3238 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) | |
3238 | if posx >= endx: |
|
3239 | if posx >= endx: | |
3239 | break |
|
3240 | break | |
3240 |
|
3241 | |||
3241 | attrstyle = [(style_default, "no attribute")] |
|
3242 | attrstyle = [(style_default, "no attribute")] | |
3242 | attrname = level.displayattr[1] |
|
3243 | attrname = level.displayattr[1] | |
3243 | if attrname is not _default and attrname is not None: |
|
3244 | if attrname is not _default and attrname is not None: | |
3244 | posx += self.addstr(posy, posx, 0, endx, " | ", self.style_footer) |
|
3245 | posx += self.addstr(posy, posx, 0, endx, " | ", self.style_footer) | |
3245 | posx += self.addstr(posy, posx, 0, endx, _attrname(attrname), self.style_footer) |
|
3246 | posx += self.addstr(posy, posx, 0, endx, _attrname(attrname), self.style_footer) | |
3246 | posx += self.addstr(posy, posx, 0, endx, ": ", self.style_footer) |
|
3247 | posx += self.addstr(posy, posx, 0, endx, ": ", self.style_footer) | |
3247 | try: |
|
3248 | try: | |
3248 | attr = _getattr(item, attrname) |
|
3249 | attr = _getattr(item, attrname) | |
3249 | except (SystemExit, KeyboardInterrupt): |
|
3250 | except (SystemExit, KeyboardInterrupt): | |
3250 | raise |
|
3251 | raise | |
3251 | except Exception, exc: |
|
3252 | except Exception, exc: | |
3252 | attr = exc |
|
3253 | attr = exc | |
3253 | if attr is not _default: |
|
3254 | if attr is not _default: | |
3254 | attrstyle = xrepr(attr, "footer") |
|
3255 | attrstyle = xrepr(attr, "footer") | |
3255 | for (nostyle, text) in attrstyle: |
|
3256 | for (nostyle, text) in attrstyle: | |
3256 | if not isinstance(nostyle, int): |
|
3257 | if not isinstance(nostyle, int): | |
3257 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) |
|
3258 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) | |
3258 | if posx >= endx: |
|
3259 | if posx >= endx: | |
3259 | break |
|
3260 | break | |
3260 |
|
3261 | |||
3261 | try: |
|
3262 | try: | |
3262 | # Display goto input prompt |
|
3263 | # Display goto input prompt | |
3263 | if self.mode == "goto": |
|
3264 | if self.mode == "goto": | |
3264 | scr.addstr(self.scrsizey-1, 0, self.prompt_goto + self.goto, self.getstyle(style_default)) |
|
3265 | scr.addstr(self.scrsizey-1, 0, self.prompt_goto + self.goto, self.getstyle(style_default)) | |
3265 | # Display report |
|
3266 | # Display report | |
3266 | else: |
|
3267 | else: | |
3267 | if self._report is not None: |
|
3268 | if self._report is not None: | |
3268 | if isinstance(self._report, Exception): |
|
3269 | if isinstance(self._report, Exception): | |
3269 | style = self.getstyle(style_error) |
|
3270 | style = self.getstyle(style_error) | |
3270 | if self._report.__class__.__module__ == "exceptions": |
|
3271 | if self._report.__class__.__module__ == "exceptions": | |
3271 | msg = "%s: %s" % \ |
|
3272 | msg = "%s: %s" % \ | |
3272 | (self._report.__class__.__name__, self._report) |
|
3273 | (self._report.__class__.__name__, self._report) | |
3273 | else: |
|
3274 | else: | |
3274 | msg = "%s.%s: %s" % \ |
|
3275 | msg = "%s.%s: %s" % \ | |
3275 | (self._report.__class__.__module__, |
|
3276 | (self._report.__class__.__module__, | |
3276 | self._report.__class__.__name__, self._report) |
|
3277 | self._report.__class__.__name__, self._report) | |
3277 | else: |
|
3278 | else: | |
3278 | style = self.getstyle(self.style_report) |
|
3279 | style = self.getstyle(self.style_report) | |
3279 | msg = self._report |
|
3280 | msg = self._report | |
3280 | scr.addstr(self.scrsizey-1, 0, msg[:self.scrsizex], style) |
|
3281 | scr.addstr(self.scrsizey-1, 0, msg[:self.scrsizex], style) | |
3281 | self._report = None |
|
3282 | self._report = None | |
3282 | else: |
|
3283 | else: | |
3283 | scr.move(self.scrsizey-1, 0) |
|
3284 | scr.move(self.scrsizey-1, 0) | |
3284 | except curses.error: |
|
3285 | except curses.error: | |
3285 | # Protect against error from writing to the last line |
|
3286 | # Protect against error from writing to the last line | |
3286 | pass |
|
3287 | pass | |
3287 | scr.clrtoeol() |
|
3288 | scr.clrtoeol() | |
3288 |
|
3289 | |||
3289 | # Position cursor |
|
3290 | # Position cursor | |
3290 | if self.mode == "goto": |
|
3291 | if self.mode == "goto": | |
3291 | scr.move(self.scrsizey-1, len(self.prompt_goto)+len(self.goto)) |
|
3292 | scr.move(self.scrsizey-1, len(self.prompt_goto)+len(self.goto)) | |
3292 | else: |
|
3293 | else: | |
3293 | scr.move( |
|
3294 | scr.move( | |
3294 | 1+self._headerlines+level.cury-level.datastarty, |
|
3295 | 1+self._headerlines+level.cury-level.datastarty, | |
3295 | level.numbersizex+3+level.curx-level.datastartx |
|
3296 | level.numbersizex+3+level.curx-level.datastartx | |
3296 | ) |
|
3297 | ) | |
3297 | scr.refresh() |
|
3298 | scr.refresh() | |
3298 |
|
3299 | |||
3299 | # Check keyboard |
|
3300 | # Check keyboard | |
3300 | while True: |
|
3301 | while True: | |
3301 | c = scr.getch() |
|
3302 | c = scr.getch() | |
3302 | if self.mode == "goto": |
|
3303 | if self.mode == "goto": | |
3303 | if ord("0") <= c <= ord("9"): |
|
3304 | if ord("0") <= c <= ord("9"): | |
3304 | self.goto += chr(c) |
|
3305 | self.goto += chr(c) | |
3305 | break # Redisplay |
|
3306 | break # Redisplay | |
3306 | elif c in (8, 127, curses.KEY_BACKSPACE, ord("x")): |
|
3307 | elif c in (8, 127, curses.KEY_BACKSPACE, ord("x")): | |
3307 | if self.goto: |
|
3308 | if self.goto: | |
3308 | self.goto = self.goto[:-1] |
|
3309 | self.goto = self.goto[:-1] | |
3309 | break |
|
3310 | break | |
3310 | else: |
|
3311 | else: | |
3311 | curses.beep() |
|
3312 | curses.beep() | |
3312 | elif c == ord("\n"): |
|
3313 | elif c == ord("\n"): | |
3313 | self.mode = "default" |
|
3314 | self.mode = "default" | |
3314 | if self.goto: |
|
3315 | if self.goto: | |
3315 | level.moveto(level.curx, int(self.goto)) |
|
3316 | level.moveto(level.curx, int(self.goto)) | |
3316 | break |
|
3317 | break | |
3317 | elif c != -1: |
|
3318 | elif c != -1: | |
3318 | curses.beep() |
|
3319 | curses.beep() | |
3319 | else: |
|
3320 | else: | |
3320 | # if no key is pressed slow down and beep again |
|
3321 | # if no key is pressed slow down and beep again | |
3321 | if c == -1: |
|
3322 | if c == -1: | |
3322 | self.stepx = 1. |
|
3323 | self.stepx = 1. | |
3323 | self.stepy = 1. |
|
3324 | self.stepy = 1. | |
3324 | self._dobeep = True |
|
3325 | self._dobeep = True | |
3325 | else: |
|
3326 | else: | |
3326 | # if a different key was pressed slow down and beep too |
|
3327 | # if a different key was pressed slow down and beep too | |
3327 | if c != lastc: |
|
3328 | if c != lastc: | |
3328 | lastc = c |
|
3329 | lastc = c | |
3329 | self.stepx = 1. |
|
3330 | self.stepx = 1. | |
3330 | self.stepy = 1. |
|
3331 | self.stepy = 1. | |
3331 | self._dobeep = True |
|
3332 | self._dobeep = True | |
3332 | cmdname = self.keymap.get(c, None) |
|
3333 | cmdname = self.keymap.get(c, None) | |
3333 | if cmdname is None: |
|
3334 | if cmdname is None: | |
3334 | self.report( |
|
3335 | self.report( | |
3335 | UnassignedKeyError("Unassigned key %s" % |
|
3336 | UnassignedKeyError("Unassigned key %s" % | |
3336 | self.keylabel(c))) |
|
3337 | self.keylabel(c))) | |
3337 | else: |
|
3338 | else: | |
3338 | cmdfunc = getattr(self, "cmd_%s" % cmdname, None) |
|
3339 | cmdfunc = getattr(self, "cmd_%s" % cmdname, None) | |
3339 | if cmdfunc is None: |
|
3340 | if cmdfunc is None: | |
3340 | self.report( |
|
3341 | self.report( | |
3341 | UnknownCommandError("Unknown command %r" % |
|
3342 | UnknownCommandError("Unknown command %r" % | |
3342 | (cmdname,))) |
|
3343 | (cmdname,))) | |
3343 | elif cmdfunc(): |
|
3344 | elif cmdfunc(): | |
3344 | returnvalue = self.returnvalue |
|
3345 | returnvalue = self.returnvalue | |
3345 | self.returnvalue = None |
|
3346 | self.returnvalue = None | |
3346 | return returnvalue |
|
3347 | return returnvalue | |
3347 | self.stepx = self.nextstepx(self.stepx) |
|
3348 | self.stepx = self.nextstepx(self.stepx) | |
3348 | self.stepy = self.nextstepy(self.stepy) |
|
3349 | self.stepy = self.nextstepy(self.stepy) | |
3349 | curses.flushinp() # get rid of type ahead |
|
3350 | curses.flushinp() # get rid of type ahead | |
3350 | break # Redisplay |
|
3351 | break # Redisplay | |
3351 | self.scr = None |
|
3352 | self.scr = None | |
3352 |
|
3353 | |||
3353 | def display(self): |
|
3354 | def display(self): | |
3354 | return curses.wrapper(self._dodisplay) |
|
3355 | return curses.wrapper(self._dodisplay) | |
3355 |
|
3356 | |||
3356 | defaultdisplay = ibrowse |
|
3357 | defaultdisplay = ibrowse | |
3357 | __all__.append("ibrowse") |
|
3358 | __all__.append("ibrowse") | |
3358 | else: |
|
3359 | else: | |
3359 | # No curses (probably Windows) => use ``idump`` as the default display. |
|
3360 | # No curses (probably Windows) => use ``idump`` as the default display. | |
3360 | defaultdisplay = idump |
|
3361 | defaultdisplay = idump | |
3361 |
|
3362 | |||
3362 |
|
3363 | |||
3363 | # If we're running under IPython, install an IPython displayhook that |
|
3364 | # If we're running under IPython, install an IPython displayhook that | |
3364 | # returns the object from Display.display(), else install a displayhook |
|
3365 | # returns the object from Display.display(), else install a displayhook | |
3365 | # directly as sys.displayhook |
|
3366 | # directly as sys.displayhook | |
3366 | try: |
|
3367 | try: | |
3367 | from IPython import ipapi |
|
3368 | from IPython import ipapi | |
3368 | api = ipapi.get() |
|
3369 | api = ipapi.get() | |
3369 | except (ImportError, AttributeError): |
|
3370 | except (ImportError, AttributeError): | |
3370 | api = None |
|
3371 | api = None | |
3371 |
|
3372 | |||
3372 | if api is not None: |
|
3373 | if api is not None: | |
3373 | def displayhook(self, obj): |
|
3374 | def displayhook(self, obj): | |
3374 | if isinstance(obj, type) and issubclass(obj, Table): |
|
3375 | if isinstance(obj, type) and issubclass(obj, Table): | |
3375 | obj = obj() |
|
3376 | obj = obj() | |
3376 | if isinstance(obj, Table): |
|
3377 | if isinstance(obj, Table): | |
3377 | obj = obj | defaultdisplay |
|
3378 | obj = obj | defaultdisplay | |
3378 | if isinstance(obj, Display): |
|
3379 | if isinstance(obj, Display): | |
3379 | return obj.display() |
|
3380 | return obj.display() | |
3380 | else: |
|
3381 | else: | |
3381 | raise ipapi.TryNext |
|
3382 | raise ipapi.TryNext | |
3382 | api.set_hook("result_display", displayhook) |
|
3383 | api.set_hook("result_display", displayhook) | |
3383 | else: |
|
3384 | else: | |
3384 | def installdisplayhook(): |
|
3385 | def installdisplayhook(): | |
3385 | _originalhook = sys.displayhook |
|
3386 | _originalhook = sys.displayhook | |
3386 | def displayhook(obj): |
|
3387 | def displayhook(obj): | |
3387 | if isinstance(obj, type) and issubclass(obj, Table): |
|
3388 | if isinstance(obj, type) and issubclass(obj, Table): | |
3388 | obj = obj() |
|
3389 | obj = obj() | |
3389 | if isinstance(obj, Table): |
|
3390 | if isinstance(obj, Table): | |
3390 | obj = obj | defaultdisplay |
|
3391 | obj = obj | defaultdisplay | |
3391 | if isinstance(obj, Display): |
|
3392 | if isinstance(obj, Display): | |
3392 | return obj.display() |
|
3393 | return obj.display() | |
3393 | else: |
|
3394 | else: | |
3394 | _originalhook(obj) |
|
3395 | _originalhook(obj) | |
3395 | sys.displayhook = displayhook |
|
3396 | sys.displayhook = displayhook | |
3396 | installdisplayhook() |
|
3397 | installdisplayhook() |
@@ -1,586 +1,586 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """ |
|
2 | """ | |
3 | Classes for handling input/output prompts. |
|
3 | Classes for handling input/output prompts. | |
4 |
|
4 | |||
5 |
$Id: Prompts.py 12 |
|
5 | $Id: Prompts.py 1272 2006-04-25 17:04:17Z vivainio $""" | |
6 |
|
6 | |||
7 | #***************************************************************************** |
|
7 | #***************************************************************************** | |
8 | # Copyright (C) 2001-2006 Fernando Perez <fperez@colorado.edu> |
|
8 | # Copyright (C) 2001-2006 Fernando Perez <fperez@colorado.edu> | |
9 | # |
|
9 | # | |
10 | # Distributed under the terms of the BSD License. The full license is in |
|
10 | # Distributed under the terms of the BSD License. The full license is in | |
11 | # the file COPYING, distributed as part of this software. |
|
11 | # the file COPYING, distributed as part of this software. | |
12 | #***************************************************************************** |
|
12 | #***************************************************************************** | |
13 |
|
13 | |||
14 | from IPython import Release |
|
14 | from IPython import Release | |
15 | __author__ = '%s <%s>' % Release.authors['Fernando'] |
|
15 | __author__ = '%s <%s>' % Release.authors['Fernando'] | |
16 | __license__ = Release.license |
|
16 | __license__ = Release.license | |
17 | __version__ = Release.version |
|
17 | __version__ = Release.version | |
18 |
|
18 | |||
19 | #**************************************************************************** |
|
19 | #**************************************************************************** | |
20 | # Required modules |
|
20 | # Required modules | |
21 | import __builtin__ |
|
21 | import __builtin__ | |
22 | import os |
|
22 | import os | |
23 | import socket |
|
23 | import socket | |
24 | import sys |
|
24 | import sys | |
25 | import time |
|
25 | import time | |
26 | from pprint import pprint,pformat |
|
26 | from pprint import pprint,pformat | |
27 |
|
27 | |||
28 | # IPython's own |
|
28 | # IPython's own | |
29 | from IPython import ColorANSI |
|
29 | from IPython import ColorANSI | |
30 | from IPython.Itpl import ItplNS |
|
30 | from IPython.Itpl import ItplNS | |
31 | from IPython.ipstruct import Struct |
|
31 | from IPython.ipstruct import Struct | |
32 | from IPython.macro import Macro |
|
32 | from IPython.macro import Macro | |
33 | from IPython.genutils import * |
|
33 | from IPython.genutils import * | |
34 |
|
34 | |||
35 | #**************************************************************************** |
|
35 | #**************************************************************************** | |
36 | #Color schemes for Prompts. |
|
36 | #Color schemes for Prompts. | |
37 |
|
37 | |||
38 | PromptColors = ColorANSI.ColorSchemeTable() |
|
38 | PromptColors = ColorANSI.ColorSchemeTable() | |
39 | InputColors = ColorANSI.InputTermColors # just a shorthand |
|
39 | InputColors = ColorANSI.InputTermColors # just a shorthand | |
40 | Colors = ColorANSI.TermColors # just a shorthand |
|
40 | Colors = ColorANSI.TermColors # just a shorthand | |
41 |
|
41 | |||
42 | PromptColors.add_scheme(ColorANSI.ColorScheme( |
|
42 | PromptColors.add_scheme(ColorANSI.ColorScheme( | |
43 | 'NoColor', |
|
43 | 'NoColor', | |
44 | in_prompt = InputColors.NoColor, # Input prompt |
|
44 | in_prompt = InputColors.NoColor, # Input prompt | |
45 | in_number = InputColors.NoColor, # Input prompt number |
|
45 | in_number = InputColors.NoColor, # Input prompt number | |
46 | in_prompt2 = InputColors.NoColor, # Continuation prompt |
|
46 | in_prompt2 = InputColors.NoColor, # Continuation prompt | |
47 | in_normal = InputColors.NoColor, # color off (usu. Colors.Normal) |
|
47 | in_normal = InputColors.NoColor, # color off (usu. Colors.Normal) | |
48 |
|
48 | |||
49 | out_prompt = Colors.NoColor, # Output prompt |
|
49 | out_prompt = Colors.NoColor, # Output prompt | |
50 | out_number = Colors.NoColor, # Output prompt number |
|
50 | out_number = Colors.NoColor, # Output prompt number | |
51 |
|
51 | |||
52 | normal = Colors.NoColor # color off (usu. Colors.Normal) |
|
52 | normal = Colors.NoColor # color off (usu. Colors.Normal) | |
53 | )) |
|
53 | )) | |
54 |
|
54 | |||
55 | # make some schemes as instances so we can copy them for modification easily: |
|
55 | # make some schemes as instances so we can copy them for modification easily: | |
56 | __PColLinux = ColorANSI.ColorScheme( |
|
56 | __PColLinux = ColorANSI.ColorScheme( | |
57 | 'Linux', |
|
57 | 'Linux', | |
58 | in_prompt = InputColors.Green, |
|
58 | in_prompt = InputColors.Green, | |
59 | in_number = InputColors.LightGreen, |
|
59 | in_number = InputColors.LightGreen, | |
60 | in_prompt2 = InputColors.Green, |
|
60 | in_prompt2 = InputColors.Green, | |
61 | in_normal = InputColors.Normal, # color off (usu. Colors.Normal) |
|
61 | in_normal = InputColors.Normal, # color off (usu. Colors.Normal) | |
62 |
|
62 | |||
63 | out_prompt = Colors.Red, |
|
63 | out_prompt = Colors.Red, | |
64 | out_number = Colors.LightRed, |
|
64 | out_number = Colors.LightRed, | |
65 |
|
65 | |||
66 | normal = Colors.Normal |
|
66 | normal = Colors.Normal | |
67 | ) |
|
67 | ) | |
68 | # Don't forget to enter it into the table! |
|
68 | # Don't forget to enter it into the table! | |
69 | PromptColors.add_scheme(__PColLinux) |
|
69 | PromptColors.add_scheme(__PColLinux) | |
70 |
|
70 | |||
71 | # Slightly modified Linux for light backgrounds |
|
71 | # Slightly modified Linux for light backgrounds | |
72 | __PColLightBG = __PColLinux.copy('LightBG') |
|
72 | __PColLightBG = __PColLinux.copy('LightBG') | |
73 |
|
73 | |||
74 | __PColLightBG.colors.update( |
|
74 | __PColLightBG.colors.update( | |
75 | in_prompt = InputColors.Blue, |
|
75 | in_prompt = InputColors.Blue, | |
76 | in_number = InputColors.LightBlue, |
|
76 | in_number = InputColors.LightBlue, | |
77 | in_prompt2 = InputColors.Blue |
|
77 | in_prompt2 = InputColors.Blue | |
78 | ) |
|
78 | ) | |
79 | PromptColors.add_scheme(__PColLightBG) |
|
79 | PromptColors.add_scheme(__PColLightBG) | |
80 |
|
80 | |||
81 | del Colors,InputColors |
|
81 | del Colors,InputColors | |
82 |
|
82 | |||
83 | #----------------------------------------------------------------------------- |
|
83 | #----------------------------------------------------------------------------- | |
84 | def multiple_replace(dict, text): |
|
84 | def multiple_replace(dict, text): | |
85 | """ Replace in 'text' all occurences of any key in the given |
|
85 | """ Replace in 'text' all occurences of any key in the given | |
86 | dictionary by its corresponding value. Returns the new string.""" |
|
86 | dictionary by its corresponding value. Returns the new string.""" | |
87 |
|
87 | |||
88 | # Function by Xavier Defrang, originally found at: |
|
88 | # Function by Xavier Defrang, originally found at: | |
89 | # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/81330 |
|
89 | # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/81330 | |
90 |
|
90 | |||
91 | # Create a regular expression from the dictionary keys |
|
91 | # Create a regular expression from the dictionary keys | |
92 | regex = re.compile("(%s)" % "|".join(map(re.escape, dict.keys()))) |
|
92 | regex = re.compile("(%s)" % "|".join(map(re.escape, dict.keys()))) | |
93 | # For each match, look-up corresponding value in dictionary |
|
93 | # For each match, look-up corresponding value in dictionary | |
94 | return regex.sub(lambda mo: dict[mo.string[mo.start():mo.end()]], text) |
|
94 | return regex.sub(lambda mo: dict[mo.string[mo.start():mo.end()]], text) | |
95 |
|
95 | |||
96 | #----------------------------------------------------------------------------- |
|
96 | #----------------------------------------------------------------------------- | |
97 | # Special characters that can be used in prompt templates, mainly bash-like |
|
97 | # Special characters that can be used in prompt templates, mainly bash-like | |
98 |
|
98 | |||
99 | # If $HOME isn't defined (Windows), make it an absurd string so that it can |
|
99 | # If $HOME isn't defined (Windows), make it an absurd string so that it can | |
100 | # never be expanded out into '~'. Basically anything which can never be a |
|
100 | # never be expanded out into '~'. Basically anything which can never be a | |
101 | # reasonable directory name will do, we just want the $HOME -> '~' operation |
|
101 | # reasonable directory name will do, we just want the $HOME -> '~' operation | |
102 | # to become a no-op. We pre-compute $HOME here so it's not done on every |
|
102 | # to become a no-op. We pre-compute $HOME here so it's not done on every | |
103 | # prompt call. |
|
103 | # prompt call. | |
104 |
|
104 | |||
105 | # FIXME: |
|
105 | # FIXME: | |
106 |
|
106 | |||
107 | # - This should be turned into a class which does proper namespace management, |
|
107 | # - This should be turned into a class which does proper namespace management, | |
108 | # since the prompt specials need to be evaluated in a certain namespace. |
|
108 | # since the prompt specials need to be evaluated in a certain namespace. | |
109 | # Currently it's just globals, which need to be managed manually by code |
|
109 | # Currently it's just globals, which need to be managed manually by code | |
110 | # below. |
|
110 | # below. | |
111 |
|
111 | |||
112 | # - I also need to split up the color schemes from the prompt specials |
|
112 | # - I also need to split up the color schemes from the prompt specials | |
113 | # somehow. I don't have a clean design for that quite yet. |
|
113 | # somehow. I don't have a clean design for that quite yet. | |
114 |
|
114 | |||
115 | HOME = os.environ.get("HOME","//////:::::ZZZZZ,,,~~~") |
|
115 | HOME = os.environ.get("HOME","//////:::::ZZZZZ,,,~~~") | |
116 |
|
116 | |||
117 | # We precompute a few more strings here for the prompt_specials, which are |
|
117 | # We precompute a few more strings here for the prompt_specials, which are | |
118 | # fixed once ipython starts. This reduces the runtime overhead of computing |
|
118 | # fixed once ipython starts. This reduces the runtime overhead of computing | |
119 | # prompt strings. |
|
119 | # prompt strings. | |
120 | USER = os.environ.get("USER") |
|
120 | USER = os.environ.get("USER") | |
121 | HOSTNAME = socket.gethostname() |
|
121 | HOSTNAME = socket.gethostname() | |
122 | HOSTNAME_SHORT = HOSTNAME.split(".")[0] |
|
122 | HOSTNAME_SHORT = HOSTNAME.split(".")[0] | |
123 | ROOT_SYMBOL = "$#"[os.name=='nt' or os.getuid()==0] |
|
123 | ROOT_SYMBOL = "$#"[os.name=='nt' or os.getuid()==0] | |
124 |
|
124 | |||
125 | prompt_specials_color = { |
|
125 | prompt_specials_color = { | |
126 | # Prompt/history count |
|
126 | # Prompt/history count | |
127 | '%n' : '${self.col_num}' '${self.cache.prompt_count}' '${self.col_p}', |
|
127 | '%n' : '${self.col_num}' '${self.cache.prompt_count}' '${self.col_p}', | |
128 | '\\#': '${self.col_num}' '${self.cache.prompt_count}' '${self.col_p}', |
|
128 | '\\#': '${self.col_num}' '${self.cache.prompt_count}' '${self.col_p}', | |
129 | # Prompt/history count, with the actual digits replaced by dots. Used |
|
129 | # Prompt/history count, with the actual digits replaced by dots. Used | |
130 | # mainly in continuation prompts (prompt_in2) |
|
130 | # mainly in continuation prompts (prompt_in2) | |
131 | '\\D': '${"."*len(str(self.cache.prompt_count))}', |
|
131 | '\\D': '${"."*len(str(self.cache.prompt_count))}', | |
132 | # Current working directory |
|
132 | # Current working directory | |
133 | '\\w': '${os.getcwd()}', |
|
133 | '\\w': '${os.getcwd()}', | |
134 | # Current time |
|
134 | # Current time | |
135 | '\\t' : '${time.strftime("%H:%M:%S")}', |
|
135 | '\\t' : '${time.strftime("%H:%M:%S")}', | |
136 | # Basename of current working directory. |
|
136 | # Basename of current working directory. | |
137 | # (use os.sep to make this portable across OSes) |
|
137 | # (use os.sep to make this portable across OSes) | |
138 | '\\W' : '${os.getcwd().split("%s")[-1]}' % os.sep, |
|
138 | '\\W' : '${os.getcwd().split("%s")[-1]}' % os.sep, | |
139 | # These X<N> are an extension to the normal bash prompts. They return |
|
139 | # These X<N> are an extension to the normal bash prompts. They return | |
140 | # N terms of the path, after replacing $HOME with '~' |
|
140 | # N terms of the path, after replacing $HOME with '~' | |
141 | '\\X0': '${os.getcwd().replace("%s","~")}' % HOME, |
|
141 | '\\X0': '${os.getcwd().replace("%s","~")}' % HOME, | |
142 | '\\X1': '${self.cwd_filt(1)}', |
|
142 | '\\X1': '${self.cwd_filt(1)}', | |
143 | '\\X2': '${self.cwd_filt(2)}', |
|
143 | '\\X2': '${self.cwd_filt(2)}', | |
144 | '\\X3': '${self.cwd_filt(3)}', |
|
144 | '\\X3': '${self.cwd_filt(3)}', | |
145 | '\\X4': '${self.cwd_filt(4)}', |
|
145 | '\\X4': '${self.cwd_filt(4)}', | |
146 | '\\X5': '${self.cwd_filt(5)}', |
|
146 | '\\X5': '${self.cwd_filt(5)}', | |
147 | # Y<N> are similar to X<N>, but they show '~' if it's the directory |
|
147 | # Y<N> are similar to X<N>, but they show '~' if it's the directory | |
148 | # N+1 in the list. Somewhat like %cN in tcsh. |
|
148 | # N+1 in the list. Somewhat like %cN in tcsh. | |
149 | '\\Y0': '${self.cwd_filt2(0)}', |
|
149 | '\\Y0': '${self.cwd_filt2(0)}', | |
150 | '\\Y1': '${self.cwd_filt2(1)}', |
|
150 | '\\Y1': '${self.cwd_filt2(1)}', | |
151 | '\\Y2': '${self.cwd_filt2(2)}', |
|
151 | '\\Y2': '${self.cwd_filt2(2)}', | |
152 | '\\Y3': '${self.cwd_filt2(3)}', |
|
152 | '\\Y3': '${self.cwd_filt2(3)}', | |
153 | '\\Y4': '${self.cwd_filt2(4)}', |
|
153 | '\\Y4': '${self.cwd_filt2(4)}', | |
154 | '\\Y5': '${self.cwd_filt2(5)}', |
|
154 | '\\Y5': '${self.cwd_filt2(5)}', | |
155 | # Hostname up to first . |
|
155 | # Hostname up to first . | |
156 | '\\h': HOSTNAME_SHORT, |
|
156 | '\\h': HOSTNAME_SHORT, | |
157 | # Full hostname |
|
157 | # Full hostname | |
158 | '\\H': HOSTNAME, |
|
158 | '\\H': HOSTNAME, | |
159 | # Username of current user |
|
159 | # Username of current user | |
160 | '\\u': USER, |
|
160 | '\\u': USER, | |
161 | # Escaped '\' |
|
161 | # Escaped '\' | |
162 | '\\\\': '\\', |
|
162 | '\\\\': '\\', | |
163 | # Newline |
|
163 | # Newline | |
164 | '\\n': '\n', |
|
164 | '\\n': '\n', | |
165 | # Carriage return |
|
165 | # Carriage return | |
166 | '\\r': '\r', |
|
166 | '\\r': '\r', | |
167 | # Release version |
|
167 | # Release version | |
168 | '\\v': __version__, |
|
168 | '\\v': __version__, | |
169 | # Root symbol ($ or #) |
|
169 | # Root symbol ($ or #) | |
170 | '\\$': ROOT_SYMBOL, |
|
170 | '\\$': ROOT_SYMBOL, | |
171 | } |
|
171 | } | |
172 |
|
172 | |||
173 | # A copy of the prompt_specials dictionary but with all color escapes removed, |
|
173 | # A copy of the prompt_specials dictionary but with all color escapes removed, | |
174 | # so we can correctly compute the prompt length for the auto_rewrite method. |
|
174 | # so we can correctly compute the prompt length for the auto_rewrite method. | |
175 | prompt_specials_nocolor = prompt_specials_color.copy() |
|
175 | prompt_specials_nocolor = prompt_specials_color.copy() | |
176 | prompt_specials_nocolor['%n'] = '${self.cache.prompt_count}' |
|
176 | prompt_specials_nocolor['%n'] = '${self.cache.prompt_count}' | |
177 | prompt_specials_nocolor['\\#'] = '${self.cache.prompt_count}' |
|
177 | prompt_specials_nocolor['\\#'] = '${self.cache.prompt_count}' | |
178 |
|
178 | |||
179 | # Add in all the InputTermColors color escapes as valid prompt characters. |
|
179 | # Add in all the InputTermColors color escapes as valid prompt characters. | |
180 | # They all get added as \\C_COLORNAME, so that we don't have any conflicts |
|
180 | # They all get added as \\C_COLORNAME, so that we don't have any conflicts | |
181 | # with a color name which may begin with a letter used by any other of the |
|
181 | # with a color name which may begin with a letter used by any other of the | |
182 | # allowed specials. This of course means that \\C will never be allowed for |
|
182 | # allowed specials. This of course means that \\C will never be allowed for | |
183 | # anything else. |
|
183 | # anything else. | |
184 | input_colors = ColorANSI.InputTermColors |
|
184 | input_colors = ColorANSI.InputTermColors | |
185 | for _color in dir(input_colors): |
|
185 | for _color in dir(input_colors): | |
186 | if _color[0] != '_': |
|
186 | if _color[0] != '_': | |
187 | c_name = '\\C_'+_color |
|
187 | c_name = '\\C_'+_color | |
188 | prompt_specials_color[c_name] = getattr(input_colors,_color) |
|
188 | prompt_specials_color[c_name] = getattr(input_colors,_color) | |
189 | prompt_specials_nocolor[c_name] = '' |
|
189 | prompt_specials_nocolor[c_name] = '' | |
190 |
|
190 | |||
191 | # we default to no color for safety. Note that prompt_specials is a global |
|
191 | # we default to no color for safety. Note that prompt_specials is a global | |
192 | # variable used by all prompt objects. |
|
192 | # variable used by all prompt objects. | |
193 | prompt_specials = prompt_specials_nocolor |
|
193 | prompt_specials = prompt_specials_nocolor | |
194 |
|
194 | |||
195 | #----------------------------------------------------------------------------- |
|
195 | #----------------------------------------------------------------------------- | |
196 | def str_safe(arg): |
|
196 | def str_safe(arg): | |
197 | """Convert to a string, without ever raising an exception. |
|
197 | """Convert to a string, without ever raising an exception. | |
198 |
|
198 | |||
199 | If str(arg) fails, <ERROR: ... > is returned, where ... is the exception |
|
199 | If str(arg) fails, <ERROR: ... > is returned, where ... is the exception | |
200 | error message.""" |
|
200 | error message.""" | |
201 |
|
201 | |||
202 | try: |
|
202 | try: | |
203 | out = str(arg) |
|
203 | out = str(arg) | |
204 | except UnicodeError: |
|
204 | except UnicodeError: | |
205 | try: |
|
205 | try: | |
206 | out = arg.encode('utf_8','replace') |
|
206 | out = arg.encode('utf_8','replace') | |
207 | except Exception,msg: |
|
207 | except Exception,msg: | |
208 | # let's keep this little duplication here, so that the most common |
|
208 | # let's keep this little duplication here, so that the most common | |
209 | # case doesn't suffer from a double try wrapping. |
|
209 | # case doesn't suffer from a double try wrapping. | |
210 | out = '<ERROR: %s>' % msg |
|
210 | out = '<ERROR: %s>' % msg | |
211 | except Exception,msg: |
|
211 | except Exception,msg: | |
212 | out = '<ERROR: %s>' % msg |
|
212 | out = '<ERROR: %s>' % msg | |
213 | return out |
|
213 | return out | |
214 |
|
214 | |||
215 | class BasePrompt: |
|
215 | class BasePrompt: | |
216 | """Interactive prompt similar to Mathematica's.""" |
|
216 | """Interactive prompt similar to Mathematica's.""" | |
217 | def __init__(self,cache,sep,prompt,pad_left=False): |
|
217 | def __init__(self,cache,sep,prompt,pad_left=False): | |
218 |
|
218 | |||
219 | # Hack: we access information about the primary prompt through the |
|
219 | # Hack: we access information about the primary prompt through the | |
220 | # cache argument. We need this, because we want the secondary prompt |
|
220 | # cache argument. We need this, because we want the secondary prompt | |
221 | # to be aligned with the primary one. Color table info is also shared |
|
221 | # to be aligned with the primary one. Color table info is also shared | |
222 | # by all prompt classes through the cache. Nice OO spaghetti code! |
|
222 | # by all prompt classes through the cache. Nice OO spaghetti code! | |
223 | self.cache = cache |
|
223 | self.cache = cache | |
224 | self.sep = sep |
|
224 | self.sep = sep | |
225 |
|
225 | |||
226 | # regexp to count the number of spaces at the end of a prompt |
|
226 | # regexp to count the number of spaces at the end of a prompt | |
227 | # expression, useful for prompt auto-rewriting |
|
227 | # expression, useful for prompt auto-rewriting | |
228 | self.rspace = re.compile(r'(\s*)$') |
|
228 | self.rspace = re.compile(r'(\s*)$') | |
229 | # Flag to left-pad prompt strings to match the length of the primary |
|
229 | # Flag to left-pad prompt strings to match the length of the primary | |
230 | # prompt |
|
230 | # prompt | |
231 | self.pad_left = pad_left |
|
231 | self.pad_left = pad_left | |
232 | # Set template to create each actual prompt (where numbers change) |
|
232 | # Set template to create each actual prompt (where numbers change) | |
233 | self.p_template = prompt |
|
233 | self.p_template = prompt | |
234 | self.set_p_str() |
|
234 | self.set_p_str() | |
235 |
|
235 | |||
236 | def set_p_str(self): |
|
236 | def set_p_str(self): | |
237 | """ Set the interpolating prompt strings. |
|
237 | """ Set the interpolating prompt strings. | |
238 |
|
238 | |||
239 | This must be called every time the color settings change, because the |
|
239 | This must be called every time the color settings change, because the | |
240 | prompt_specials global may have changed.""" |
|
240 | prompt_specials global may have changed.""" | |
241 |
|
241 | |||
242 | import os,time # needed in locals for prompt string handling |
|
242 | import os,time # needed in locals for prompt string handling | |
243 | loc = locals() |
|
243 | loc = locals() | |
244 | self.p_str = ItplNS('%s%s%s' % |
|
244 | self.p_str = ItplNS('%s%s%s' % | |
245 | ('${self.sep}${self.col_p}', |
|
245 | ('${self.sep}${self.col_p}', | |
246 | multiple_replace(prompt_specials, self.p_template), |
|
246 | multiple_replace(prompt_specials, self.p_template), | |
247 | '${self.col_norm}'),self.cache.user_ns,loc) |
|
247 | '${self.col_norm}'),self.cache.user_ns,loc) | |
248 |
|
248 | |||
249 | self.p_str_nocolor = ItplNS(multiple_replace(prompt_specials_nocolor, |
|
249 | self.p_str_nocolor = ItplNS(multiple_replace(prompt_specials_nocolor, | |
250 | self.p_template), |
|
250 | self.p_template), | |
251 | self.cache.user_ns,loc) |
|
251 | self.cache.user_ns,loc) | |
252 |
|
252 | |||
253 | def write(self,msg): # dbg |
|
253 | def write(self,msg): # dbg | |
254 | sys.stdout.write(msg) |
|
254 | sys.stdout.write(msg) | |
255 | return '' |
|
255 | return '' | |
256 |
|
256 | |||
257 | def __str__(self): |
|
257 | def __str__(self): | |
258 | """Return a string form of the prompt. |
|
258 | """Return a string form of the prompt. | |
259 |
|
259 | |||
260 | This for is useful for continuation and output prompts, since it is |
|
260 | This for is useful for continuation and output prompts, since it is | |
261 | left-padded to match lengths with the primary one (if the |
|
261 | left-padded to match lengths with the primary one (if the | |
262 | self.pad_left attribute is set).""" |
|
262 | self.pad_left attribute is set).""" | |
263 |
|
263 | |||
264 | out_str = str_safe(self.p_str) |
|
264 | out_str = str_safe(self.p_str) | |
265 | if self.pad_left: |
|
265 | if self.pad_left: | |
266 | # We must find the amount of padding required to match lengths, |
|
266 | # We must find the amount of padding required to match lengths, | |
267 | # taking the color escapes (which are invisible on-screen) into |
|
267 | # taking the color escapes (which are invisible on-screen) into | |
268 | # account. |
|
268 | # account. | |
269 | esc_pad = len(out_str) - len(str_safe(self.p_str_nocolor)) |
|
269 | esc_pad = len(out_str) - len(str_safe(self.p_str_nocolor)) | |
270 | format = '%%%ss' % (len(str(self.cache.last_prompt))+esc_pad) |
|
270 | format = '%%%ss' % (len(str(self.cache.last_prompt))+esc_pad) | |
271 | return format % out_str |
|
271 | return format % out_str | |
272 | else: |
|
272 | else: | |
273 | return out_str |
|
273 | return out_str | |
274 |
|
274 | |||
275 | # these path filters are put in as methods so that we can control the |
|
275 | # these path filters are put in as methods so that we can control the | |
276 | # namespace where the prompt strings get evaluated |
|
276 | # namespace where the prompt strings get evaluated | |
277 | def cwd_filt(self,depth): |
|
277 | def cwd_filt(self,depth): | |
278 | """Return the last depth elements of the current working directory. |
|
278 | """Return the last depth elements of the current working directory. | |
279 |
|
279 | |||
280 | $HOME is always replaced with '~'. |
|
280 | $HOME is always replaced with '~'. | |
281 | If depth==0, the full path is returned.""" |
|
281 | If depth==0, the full path is returned.""" | |
282 |
|
282 | |||
283 | cwd = os.getcwd().replace(HOME,"~") |
|
283 | cwd = os.getcwd().replace(HOME,"~") | |
284 | out = os.sep.join(cwd.split(os.sep)[-depth:]) |
|
284 | out = os.sep.join(cwd.split(os.sep)[-depth:]) | |
285 | if out: |
|
285 | if out: | |
286 | return out |
|
286 | return out | |
287 | else: |
|
287 | else: | |
288 | return os.sep |
|
288 | return os.sep | |
289 |
|
289 | |||
290 | def cwd_filt2(self,depth): |
|
290 | def cwd_filt2(self,depth): | |
291 | """Return the last depth elements of the current working directory. |
|
291 | """Return the last depth elements of the current working directory. | |
292 |
|
292 | |||
293 | $HOME is always replaced with '~'. |
|
293 | $HOME is always replaced with '~'. | |
294 | If depth==0, the full path is returned.""" |
|
294 | If depth==0, the full path is returned.""" | |
295 |
|
295 | |||
296 | cwd = os.getcwd().replace(HOME,"~").split(os.sep) |
|
296 | cwd = os.getcwd().replace(HOME,"~").split(os.sep) | |
297 | if '~' in cwd and len(cwd) == depth+1: |
|
297 | if '~' in cwd and len(cwd) == depth+1: | |
298 | depth += 1 |
|
298 | depth += 1 | |
299 | out = os.sep.join(cwd[-depth:]) |
|
299 | out = os.sep.join(cwd[-depth:]) | |
300 | if out: |
|
300 | if out: | |
301 | return out |
|
301 | return out | |
302 | else: |
|
302 | else: | |
303 | return os.sep |
|
303 | return os.sep | |
304 |
|
304 | |||
305 | class Prompt1(BasePrompt): |
|
305 | class Prompt1(BasePrompt): | |
306 | """Input interactive prompt similar to Mathematica's.""" |
|
306 | """Input interactive prompt similar to Mathematica's.""" | |
307 |
|
307 | |||
308 | def __init__(self,cache,sep='\n',prompt='In [\\#]: ',pad_left=True): |
|
308 | def __init__(self,cache,sep='\n',prompt='In [\\#]: ',pad_left=True): | |
309 | BasePrompt.__init__(self,cache,sep,prompt,pad_left) |
|
309 | BasePrompt.__init__(self,cache,sep,prompt,pad_left) | |
310 |
|
310 | |||
311 | def set_colors(self): |
|
311 | def set_colors(self): | |
312 | self.set_p_str() |
|
312 | self.set_p_str() | |
313 | Colors = self.cache.color_table.active_colors # shorthand |
|
313 | Colors = self.cache.color_table.active_colors # shorthand | |
314 | self.col_p = Colors.in_prompt |
|
314 | self.col_p = Colors.in_prompt | |
315 | self.col_num = Colors.in_number |
|
315 | self.col_num = Colors.in_number | |
316 | self.col_norm = Colors.in_normal |
|
316 | self.col_norm = Colors.in_normal | |
317 | # We need a non-input version of these escapes for the '--->' |
|
317 | # We need a non-input version of these escapes for the '--->' | |
318 | # auto-call prompts used in the auto_rewrite() method. |
|
318 | # auto-call prompts used in the auto_rewrite() method. | |
319 | self.col_p_ni = self.col_p.replace('\001','').replace('\002','') |
|
319 | self.col_p_ni = self.col_p.replace('\001','').replace('\002','') | |
320 | self.col_norm_ni = Colors.normal |
|
320 | self.col_norm_ni = Colors.normal | |
321 |
|
321 | |||
322 | def __str__(self): |
|
322 | def __str__(self): | |
323 | self.cache.prompt_count += 1 |
|
323 | self.cache.prompt_count += 1 | |
324 | self.cache.last_prompt = str_safe(self.p_str_nocolor).split('\n')[-1] |
|
324 | self.cache.last_prompt = str_safe(self.p_str_nocolor).split('\n')[-1] | |
325 | return str_safe(self.p_str) |
|
325 | return str_safe(self.p_str) | |
326 |
|
326 | |||
327 | def auto_rewrite(self): |
|
327 | def auto_rewrite(self): | |
328 | """Print a string of the form '--->' which lines up with the previous |
|
328 | """Print a string of the form '--->' which lines up with the previous | |
329 | input string. Useful for systems which re-write the user input when |
|
329 | input string. Useful for systems which re-write the user input when | |
330 | handling automatically special syntaxes.""" |
|
330 | handling automatically special syntaxes.""" | |
331 |
|
331 | |||
332 | curr = str(self.cache.last_prompt) |
|
332 | curr = str(self.cache.last_prompt) | |
333 | nrspaces = len(self.rspace.search(curr).group()) |
|
333 | nrspaces = len(self.rspace.search(curr).group()) | |
334 | return '%s%s>%s%s' % (self.col_p_ni,'-'*(len(curr)-nrspaces-1), |
|
334 | return '%s%s>%s%s' % (self.col_p_ni,'-'*(len(curr)-nrspaces-1), | |
335 | ' '*nrspaces,self.col_norm_ni) |
|
335 | ' '*nrspaces,self.col_norm_ni) | |
336 |
|
336 | |||
337 | class PromptOut(BasePrompt): |
|
337 | class PromptOut(BasePrompt): | |
338 | """Output interactive prompt similar to Mathematica's.""" |
|
338 | """Output interactive prompt similar to Mathematica's.""" | |
339 |
|
339 | |||
340 | def __init__(self,cache,sep='',prompt='Out[\\#]: ',pad_left=True): |
|
340 | def __init__(self,cache,sep='',prompt='Out[\\#]: ',pad_left=True): | |
341 | BasePrompt.__init__(self,cache,sep,prompt,pad_left) |
|
341 | BasePrompt.__init__(self,cache,sep,prompt,pad_left) | |
342 | if not self.p_template: |
|
342 | if not self.p_template: | |
343 | self.__str__ = lambda: '' |
|
343 | self.__str__ = lambda: '' | |
344 |
|
344 | |||
345 | def set_colors(self): |
|
345 | def set_colors(self): | |
346 | self.set_p_str() |
|
346 | self.set_p_str() | |
347 | Colors = self.cache.color_table.active_colors # shorthand |
|
347 | Colors = self.cache.color_table.active_colors # shorthand | |
348 | self.col_p = Colors.out_prompt |
|
348 | self.col_p = Colors.out_prompt | |
349 | self.col_num = Colors.out_number |
|
349 | self.col_num = Colors.out_number | |
350 | self.col_norm = Colors.normal |
|
350 | self.col_norm = Colors.normal | |
351 |
|
351 | |||
352 | class Prompt2(BasePrompt): |
|
352 | class Prompt2(BasePrompt): | |
353 | """Interactive continuation prompt.""" |
|
353 | """Interactive continuation prompt.""" | |
354 |
|
354 | |||
355 | def __init__(self,cache,prompt=' .\\D.: ',pad_left=True): |
|
355 | def __init__(self,cache,prompt=' .\\D.: ',pad_left=True): | |
356 | self.cache = cache |
|
356 | self.cache = cache | |
357 | self.p_template = prompt |
|
357 | self.p_template = prompt | |
358 | self.pad_left = pad_left |
|
358 | self.pad_left = pad_left | |
359 | self.set_p_str() |
|
359 | self.set_p_str() | |
360 |
|
360 | |||
361 | def set_p_str(self): |
|
361 | def set_p_str(self): | |
362 | import os,time # needed in locals for prompt string handling |
|
362 | import os,time # needed in locals for prompt string handling | |
363 | loc = locals() |
|
363 | loc = locals() | |
364 | self.p_str = ItplNS('%s%s%s' % |
|
364 | self.p_str = ItplNS('%s%s%s' % | |
365 | ('${self.col_p2}', |
|
365 | ('${self.col_p2}', | |
366 | multiple_replace(prompt_specials, self.p_template), |
|
366 | multiple_replace(prompt_specials, self.p_template), | |
367 | '$self.col_norm'), |
|
367 | '$self.col_norm'), | |
368 | self.cache.user_ns,loc) |
|
368 | self.cache.user_ns,loc) | |
369 | self.p_str_nocolor = ItplNS(multiple_replace(prompt_specials_nocolor, |
|
369 | self.p_str_nocolor = ItplNS(multiple_replace(prompt_specials_nocolor, | |
370 | self.p_template), |
|
370 | self.p_template), | |
371 | self.cache.user_ns,loc) |
|
371 | self.cache.user_ns,loc) | |
372 |
|
372 | |||
373 | def set_colors(self): |
|
373 | def set_colors(self): | |
374 | self.set_p_str() |
|
374 | self.set_p_str() | |
375 | Colors = self.cache.color_table.active_colors |
|
375 | Colors = self.cache.color_table.active_colors | |
376 | self.col_p2 = Colors.in_prompt2 |
|
376 | self.col_p2 = Colors.in_prompt2 | |
377 | self.col_norm = Colors.in_normal |
|
377 | self.col_norm = Colors.in_normal | |
378 | # FIXME (2004-06-16) HACK: prevent crashes for users who haven't |
|
378 | # FIXME (2004-06-16) HACK: prevent crashes for users who haven't | |
379 | # updated their prompt_in2 definitions. Remove eventually. |
|
379 | # updated their prompt_in2 definitions. Remove eventually. | |
380 | self.col_p = Colors.out_prompt |
|
380 | self.col_p = Colors.out_prompt | |
381 | self.col_num = Colors.out_number |
|
381 | self.col_num = Colors.out_number | |
382 |
|
382 | |||
383 | #----------------------------------------------------------------------------- |
|
383 | #----------------------------------------------------------------------------- | |
384 | class CachedOutput: |
|
384 | class CachedOutput: | |
385 | """Class for printing output from calculations while keeping a cache of |
|
385 | """Class for printing output from calculations while keeping a cache of | |
386 | reults. It dynamically creates global variables prefixed with _ which |
|
386 | reults. It dynamically creates global variables prefixed with _ which | |
387 | contain these results. |
|
387 | contain these results. | |
388 |
|
388 | |||
389 | Meant to be used as a sys.displayhook replacement, providing numbered |
|
389 | Meant to be used as a sys.displayhook replacement, providing numbered | |
390 | prompts and cache services. |
|
390 | prompts and cache services. | |
391 |
|
391 | |||
392 | Initialize with initial and final values for cache counter (this defines |
|
392 | Initialize with initial and final values for cache counter (this defines | |
393 | the maximum size of the cache.""" |
|
393 | the maximum size of the cache.""" | |
394 |
|
394 | |||
395 | def __init__(self,shell,cache_size,Pprint, |
|
395 | def __init__(self,shell,cache_size,Pprint, | |
396 | colors='NoColor',input_sep='\n', |
|
396 | colors='NoColor',input_sep='\n', | |
397 | output_sep='\n',output_sep2='', |
|
397 | output_sep='\n',output_sep2='', | |
398 | ps1 = None, ps2 = None,ps_out = None,pad_left=True): |
|
398 | ps1 = None, ps2 = None,ps_out = None,pad_left=True): | |
399 |
|
399 | |||
400 |
cache_size_min = |
|
400 | cache_size_min = 3 | |
401 | if cache_size <= 0: |
|
401 | if cache_size <= 0: | |
402 | self.do_full_cache = 0 |
|
402 | self.do_full_cache = 0 | |
403 | cache_size = 0 |
|
403 | cache_size = 0 | |
404 | elif cache_size < cache_size_min: |
|
404 | elif cache_size < cache_size_min: | |
405 | self.do_full_cache = 0 |
|
405 | self.do_full_cache = 0 | |
406 | cache_size = 0 |
|
406 | cache_size = 0 | |
407 | warn('caching was disabled (min value for cache size is %s).' % |
|
407 | warn('caching was disabled (min value for cache size is %s).' % | |
408 | cache_size_min,level=3) |
|
408 | cache_size_min,level=3) | |
409 | else: |
|
409 | else: | |
410 | self.do_full_cache = 1 |
|
410 | self.do_full_cache = 1 | |
411 |
|
411 | |||
412 | self.cache_size = cache_size |
|
412 | self.cache_size = cache_size | |
413 | self.input_sep = input_sep |
|
413 | self.input_sep = input_sep | |
414 |
|
414 | |||
415 | # we need a reference to the user-level namespace |
|
415 | # we need a reference to the user-level namespace | |
416 | self.shell = shell |
|
416 | self.shell = shell | |
417 | self.user_ns = shell.user_ns |
|
417 | self.user_ns = shell.user_ns | |
418 | # and to the user's input |
|
418 | # and to the user's input | |
419 | self.input_hist = shell.input_hist |
|
419 | self.input_hist = shell.input_hist | |
420 | # and to the user's logger, for logging output |
|
420 | # and to the user's logger, for logging output | |
421 | self.logger = shell.logger |
|
421 | self.logger = shell.logger | |
422 |
|
422 | |||
423 | # Set input prompt strings and colors |
|
423 | # Set input prompt strings and colors | |
424 | if cache_size == 0: |
|
424 | if cache_size == 0: | |
425 | if ps1.find('%n') > -1 or ps1.find('\\#') > -1: ps1 = '>>> ' |
|
425 | if ps1.find('%n') > -1 or ps1.find('\\#') > -1: ps1 = '>>> ' | |
426 | if ps2.find('%n') > -1 or ps2.find('\\#') > -1: ps2 = '... ' |
|
426 | if ps2.find('%n') > -1 or ps2.find('\\#') > -1: ps2 = '... ' | |
427 | self.ps1_str = self._set_prompt_str(ps1,'In [\\#]: ','>>> ') |
|
427 | self.ps1_str = self._set_prompt_str(ps1,'In [\\#]: ','>>> ') | |
428 | self.ps2_str = self._set_prompt_str(ps2,' .\\D.: ','... ') |
|
428 | self.ps2_str = self._set_prompt_str(ps2,' .\\D.: ','... ') | |
429 | self.ps_out_str = self._set_prompt_str(ps_out,'Out[\\#]: ','') |
|
429 | self.ps_out_str = self._set_prompt_str(ps_out,'Out[\\#]: ','') | |
430 |
|
430 | |||
431 | self.color_table = PromptColors |
|
431 | self.color_table = PromptColors | |
432 | self.prompt1 = Prompt1(self,sep=input_sep,prompt=self.ps1_str, |
|
432 | self.prompt1 = Prompt1(self,sep=input_sep,prompt=self.ps1_str, | |
433 | pad_left=pad_left) |
|
433 | pad_left=pad_left) | |
434 | self.prompt2 = Prompt2(self,prompt=self.ps2_str,pad_left=pad_left) |
|
434 | self.prompt2 = Prompt2(self,prompt=self.ps2_str,pad_left=pad_left) | |
435 | self.prompt_out = PromptOut(self,sep='',prompt=self.ps_out_str, |
|
435 | self.prompt_out = PromptOut(self,sep='',prompt=self.ps_out_str, | |
436 | pad_left=pad_left) |
|
436 | pad_left=pad_left) | |
437 | self.set_colors(colors) |
|
437 | self.set_colors(colors) | |
438 |
|
438 | |||
439 | # other more normal stuff |
|
439 | # other more normal stuff | |
440 | # b/c each call to the In[] prompt raises it by 1, even the first. |
|
440 | # b/c each call to the In[] prompt raises it by 1, even the first. | |
441 | self.prompt_count = 0 |
|
441 | self.prompt_count = 0 | |
442 | # Store the last prompt string each time, we need it for aligning |
|
442 | # Store the last prompt string each time, we need it for aligning | |
443 | # continuation and auto-rewrite prompts |
|
443 | # continuation and auto-rewrite prompts | |
444 | self.last_prompt = '' |
|
444 | self.last_prompt = '' | |
445 | self.Pprint = Pprint |
|
445 | self.Pprint = Pprint | |
446 | self.output_sep = output_sep |
|
446 | self.output_sep = output_sep | |
447 | self.output_sep2 = output_sep2 |
|
447 | self.output_sep2 = output_sep2 | |
448 | self._,self.__,self.___ = '','','' |
|
448 | self._,self.__,self.___ = '','','' | |
449 | self.pprint_types = map(type,[(),[],{}]) |
|
449 | self.pprint_types = map(type,[(),[],{}]) | |
450 |
|
450 | |||
451 | # these are deliberately global: |
|
451 | # these are deliberately global: | |
452 | to_user_ns = {'_':self._,'__':self.__,'___':self.___} |
|
452 | to_user_ns = {'_':self._,'__':self.__,'___':self.___} | |
453 | self.user_ns.update(to_user_ns) |
|
453 | self.user_ns.update(to_user_ns) | |
454 |
|
454 | |||
455 | def _set_prompt_str(self,p_str,cache_def,no_cache_def): |
|
455 | def _set_prompt_str(self,p_str,cache_def,no_cache_def): | |
456 | if p_str is None: |
|
456 | if p_str is None: | |
457 | if self.do_full_cache: |
|
457 | if self.do_full_cache: | |
458 | return cache_def |
|
458 | return cache_def | |
459 | else: |
|
459 | else: | |
460 | return no_cache_def |
|
460 | return no_cache_def | |
461 | else: |
|
461 | else: | |
462 | return p_str |
|
462 | return p_str | |
463 |
|
463 | |||
464 | def set_colors(self,colors): |
|
464 | def set_colors(self,colors): | |
465 | """Set the active color scheme and configure colors for the three |
|
465 | """Set the active color scheme and configure colors for the three | |
466 | prompt subsystems.""" |
|
466 | prompt subsystems.""" | |
467 |
|
467 | |||
468 | # FIXME: the prompt_specials global should be gobbled inside this |
|
468 | # FIXME: the prompt_specials global should be gobbled inside this | |
469 | # class instead. Do it when cleaning up the whole 3-prompt system. |
|
469 | # class instead. Do it when cleaning up the whole 3-prompt system. | |
470 | global prompt_specials |
|
470 | global prompt_specials | |
471 | if colors.lower()=='nocolor': |
|
471 | if colors.lower()=='nocolor': | |
472 | prompt_specials = prompt_specials_nocolor |
|
472 | prompt_specials = prompt_specials_nocolor | |
473 | else: |
|
473 | else: | |
474 | prompt_specials = prompt_specials_color |
|
474 | prompt_specials = prompt_specials_color | |
475 |
|
475 | |||
476 | self.color_table.set_active_scheme(colors) |
|
476 | self.color_table.set_active_scheme(colors) | |
477 | self.prompt1.set_colors() |
|
477 | self.prompt1.set_colors() | |
478 | self.prompt2.set_colors() |
|
478 | self.prompt2.set_colors() | |
479 | self.prompt_out.set_colors() |
|
479 | self.prompt_out.set_colors() | |
480 |
|
480 | |||
481 | def __call__(self,arg=None): |
|
481 | def __call__(self,arg=None): | |
482 | """Printing with history cache management. |
|
482 | """Printing with history cache management. | |
483 |
|
483 | |||
484 | This is invoked everytime the interpreter needs to print, and is |
|
484 | This is invoked everytime the interpreter needs to print, and is | |
485 | activated by setting the variable sys.displayhook to it.""" |
|
485 | activated by setting the variable sys.displayhook to it.""" | |
486 |
|
486 | |||
487 | # If something injected a '_' variable in __builtin__, delete |
|
487 | # If something injected a '_' variable in __builtin__, delete | |
488 | # ipython's automatic one so we don't clobber that. gettext() in |
|
488 | # ipython's automatic one so we don't clobber that. gettext() in | |
489 | # particular uses _, so we need to stay away from it. |
|
489 | # particular uses _, so we need to stay away from it. | |
490 | if '_' in __builtin__.__dict__: |
|
490 | if '_' in __builtin__.__dict__: | |
491 | try: |
|
491 | try: | |
492 | del self.user_ns['_'] |
|
492 | del self.user_ns['_'] | |
493 | except KeyError: |
|
493 | except KeyError: | |
494 | pass |
|
494 | pass | |
495 | if arg is not None: |
|
495 | if arg is not None: | |
496 | cout_write = Term.cout.write # fast lookup |
|
496 | cout_write = Term.cout.write # fast lookup | |
497 | # first handle the cache and counters |
|
497 | # first handle the cache and counters | |
498 |
|
498 | |||
499 | # do not print output if input ends in ';' |
|
499 | # do not print output if input ends in ';' | |
500 | if self.input_hist[self.prompt_count].endswith(';\n'): |
|
500 | if self.input_hist[self.prompt_count].endswith(';\n'): | |
501 | return |
|
501 | return | |
502 | # don't use print, puts an extra space |
|
502 | # don't use print, puts an extra space | |
503 | cout_write(self.output_sep) |
|
503 | cout_write(self.output_sep) | |
504 | if self.do_full_cache: |
|
504 | if self.do_full_cache: | |
505 | cout_write(str(self.prompt_out)) |
|
505 | cout_write(str(self.prompt_out)) | |
506 |
|
506 | |||
507 | if isinstance(arg,Macro): |
|
507 | if isinstance(arg,Macro): | |
508 | print 'Executing Macro...' |
|
508 | print 'Executing Macro...' | |
509 | # in case the macro takes a long time to execute |
|
509 | # in case the macro takes a long time to execute | |
510 | Term.cout.flush() |
|
510 | Term.cout.flush() | |
511 | self.shell.runlines(arg.value) |
|
511 | self.shell.runlines(arg.value) | |
512 | return None |
|
512 | return None | |
513 |
|
513 | |||
514 | # and now call a possibly user-defined print mechanism |
|
514 | # and now call a possibly user-defined print mechanism | |
515 | manipulated_val = self.display(arg) |
|
515 | manipulated_val = self.display(arg) | |
516 |
|
516 | |||
517 | # user display hooks can change the variable to be stored in |
|
517 | # user display hooks can change the variable to be stored in | |
518 | # output history |
|
518 | # output history | |
519 |
|
519 | |||
520 | if manipulated_val is not None: |
|
520 | if manipulated_val is not None: | |
521 | arg = manipulated_val |
|
521 | arg = manipulated_val | |
522 |
|
522 | |||
523 | # avoid recursive reference when displaying _oh/Out |
|
523 | # avoid recursive reference when displaying _oh/Out | |
524 | if arg is not self.user_ns['_oh']: |
|
524 | if arg is not self.user_ns['_oh']: | |
525 | self.update(arg) |
|
525 | self.update(arg) | |
526 |
|
526 | |||
527 | if self.logger.log_output: |
|
527 | if self.logger.log_output: | |
528 | self.logger.log_write(repr(arg),'output') |
|
528 | self.logger.log_write(repr(arg),'output') | |
529 | cout_write(self.output_sep2) |
|
529 | cout_write(self.output_sep2) | |
530 | Term.cout.flush() |
|
530 | Term.cout.flush() | |
531 |
|
531 | |||
532 | def _display(self,arg): |
|
532 | def _display(self,arg): | |
533 | """Default printer method, uses pprint. |
|
533 | """Default printer method, uses pprint. | |
534 |
|
534 | |||
535 | Do ip.set_hook("result_display", my_displayhook) for custom result |
|
535 | Do ip.set_hook("result_display", my_displayhook) for custom result | |
536 | display, e.g. when your own objects need special formatting. |
|
536 | display, e.g. when your own objects need special formatting. | |
537 | """ |
|
537 | """ | |
538 |
|
538 | |||
539 | return self.shell.hooks.result_display(arg) |
|
539 | return self.shell.hooks.result_display(arg) | |
540 |
|
540 | |||
541 | # Assign the default display method: |
|
541 | # Assign the default display method: | |
542 | display = _display |
|
542 | display = _display | |
543 |
|
543 | |||
544 | def update(self,arg): |
|
544 | def update(self,arg): | |
545 | #print '***cache_count', self.cache_count # dbg |
|
545 | #print '***cache_count', self.cache_count # dbg | |
546 | if len(self.user_ns['_oh']) >= self.cache_size and self.do_full_cache: |
|
546 | if len(self.user_ns['_oh']) >= self.cache_size and self.do_full_cache: | |
547 |
warn('Output cache limit (currently '+ |
|
547 | warn('Output cache limit (currently '+ | |
548 |
`self.cache_ |
|
548 | `self.cache_size`+' entries) hit.\n' | |
549 | 'Flushing cache and resetting history counter...\n' |
|
549 | 'Flushing cache and resetting history counter...\n' | |
550 | 'The only history variables available will be _,__,___ and _1\n' |
|
550 | 'The only history variables available will be _,__,___ and _1\n' | |
551 | 'with the current result.') |
|
551 | 'with the current result.') | |
552 |
|
552 | |||
553 | self.flush() |
|
553 | self.flush() | |
554 | # Don't overwrite '_' and friends if '_' is in __builtin__ (otherwise |
|
554 | # Don't overwrite '_' and friends if '_' is in __builtin__ (otherwise | |
555 | # we cause buggy behavior for things like gettext). |
|
555 | # we cause buggy behavior for things like gettext). | |
556 | if '_' not in __builtin__.__dict__: |
|
556 | if '_' not in __builtin__.__dict__: | |
557 | self.___ = self.__ |
|
557 | self.___ = self.__ | |
558 | self.__ = self._ |
|
558 | self.__ = self._ | |
559 | self._ = arg |
|
559 | self._ = arg | |
560 | self.user_ns.update({'_':self._,'__':self.__,'___':self.___}) |
|
560 | self.user_ns.update({'_':self._,'__':self.__,'___':self.___}) | |
561 |
|
561 | |||
562 | # hackish access to top-level namespace to create _1,_2... dynamically |
|
562 | # hackish access to top-level namespace to create _1,_2... dynamically | |
563 | to_main = {} |
|
563 | to_main = {} | |
564 | if self.do_full_cache: |
|
564 | if self.do_full_cache: | |
565 | new_result = '_'+`self.prompt_count` |
|
565 | new_result = '_'+`self.prompt_count` | |
566 | to_main[new_result] = arg |
|
566 | to_main[new_result] = arg | |
567 | self.user_ns.update(to_main) |
|
567 | self.user_ns.update(to_main) | |
568 | self.user_ns['_oh'][self.prompt_count] = arg |
|
568 | self.user_ns['_oh'][self.prompt_count] = arg | |
569 |
|
569 | |||
570 | def flush(self): |
|
570 | def flush(self): | |
571 | if not self.do_full_cache: |
|
571 | if not self.do_full_cache: | |
572 | raise ValueError,"You shouldn't have reached the cache flush "\ |
|
572 | raise ValueError,"You shouldn't have reached the cache flush "\ | |
573 | "if full caching is not enabled!" |
|
573 | "if full caching is not enabled!" | |
574 | # delete auto-generated vars from global namespace |
|
574 | # delete auto-generated vars from global namespace | |
575 |
|
575 | |||
576 | for n in range(1,self.prompt_count + 1): |
|
576 | for n in range(1,self.prompt_count + 1): | |
577 | key = '_'+`n` |
|
577 | key = '_'+`n` | |
578 | try: |
|
578 | try: | |
579 | del self.user_ns[key] |
|
579 | del self.user_ns[key] | |
580 | except: pass |
|
580 | except: pass | |
581 | self.user_ns['_oh'].clear() |
|
581 | self.user_ns['_oh'].clear() | |
582 |
|
582 | |||
583 | if '_' not in __builtin__.__dict__: |
|
583 | if '_' not in __builtin__.__dict__: | |
584 | self.user_ns.update({'_':None,'__':None, '___':None}) |
|
584 | self.user_ns.update({'_':None,'__':None, '___':None}) | |
585 | import gc |
|
585 | import gc | |
586 | gc.collect() # xxx needed? |
|
586 | gc.collect() # xxx needed? |
General Comments 0
You need to be logged in to leave comments.
Login now