Show More
@@ -1,2178 +1,2183 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 | iwalk | ifilter("name.endswith('.py')") | isort("size") |
|
11 | iwalk | ifilter("name.endswith('.py')") | isort("size") | |
12 |
|
12 | |||
13 | This gives a listing of all files in the current directory (and subdirectories) |
|
13 | This gives a listing of all files in the current directory (and subdirectories) | |
14 | whose name ends with '.py' sorted by size. |
|
14 | whose name ends with '.py' sorted by size. | |
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 `οΏ½ls`` (listing the |
|
18 | * ``Table``s: These objects produce items. Examples are `οΏ½ls`` (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 `οΏ½browse`` which is a ``curses`` |
|
32 | display objects will be used. One example is `οΏ½browse`` which is a ``curses`` | |
33 | based browser. |
|
33 | based browser. | |
34 | """ |
|
34 | """ | |
35 |
|
35 | |||
36 | import sys, os, os.path, stat, glob, new, csv, datetime |
|
36 | import sys, os, os.path, stat, glob, new, csv, datetime | |
37 | import textwrap, itertools, mimetypes |
|
37 | import textwrap, itertools, mimetypes | |
38 |
|
38 | |||
39 | try: # Python 2.3 compatibility |
|
39 | try: # Python 2.3 compatibility | |
40 | import collections |
|
40 | import collections | |
41 | except ImportError: |
|
41 | except ImportError: | |
42 | deque = list |
|
42 | deque = list | |
43 | else: |
|
43 | else: | |
44 | deque = collections.deque |
|
44 | deque = collections.deque | |
45 |
|
45 | |||
46 | try: # Python 2.3 compatibility |
|
46 | try: # Python 2.3 compatibility | |
47 | set |
|
47 | set | |
48 | except NameError: |
|
48 | except NameError: | |
49 | import sets |
|
49 | import sets | |
50 | set = sets.Set |
|
50 | set = sets.Set | |
51 |
|
51 | |||
52 | try: # Python 2.3 compatibility |
|
52 | try: # Python 2.3 compatibility | |
53 | sorted |
|
53 | sorted | |
54 | except NameError: |
|
54 | except NameError: | |
55 | def sorted(iterator, key=None, reverse=False): |
|
55 | def sorted(iterator, key=None, reverse=False): | |
56 | items = list(iterator) |
|
56 | items = list(iterator) | |
57 | if key is not None: |
|
57 | if key is not None: | |
58 | items.sort(lambda i1, i2: cmp(key(i1), key(i2))) |
|
58 | items.sort(lambda i1, i2: cmp(key(i1), key(i2))) | |
59 | else: |
|
59 | else: | |
60 | items.sort() |
|
60 | items.sort() | |
61 | if reverse: |
|
61 | if reverse: | |
62 | items.reverse() |
|
62 | items.reverse() | |
63 | return items |
|
63 | return items | |
64 |
|
64 | |||
65 | try: |
|
65 | try: | |
66 | import pwd |
|
66 | import pwd | |
67 | except ImportError: |
|
67 | except ImportError: | |
68 | pwd = None |
|
68 | pwd = None | |
69 |
|
69 | |||
70 | try: |
|
70 | try: | |
71 | import grp |
|
71 | import grp | |
72 | except ImportError: |
|
72 | except ImportError: | |
73 | grp = None |
|
73 | grp = None | |
74 |
|
74 | |||
75 | try: |
|
75 | try: | |
76 | import curses |
|
76 | import curses | |
77 | except ImportError: |
|
77 | except ImportError: | |
78 | curses = None |
|
78 | curses = None | |
79 |
|
79 | |||
80 |
|
80 | |||
81 | __all__ = [ |
|
81 | __all__ = [ | |
82 | "ifile", "ils", "iglob", "iwalk", "ipwdentry", "ipwd", "igrpentry", "igrp", |
|
82 | "ifile", "ils", "iglob", "iwalk", "ipwdentry", "ipwd", "igrpentry", "igrp", | |
83 | "icsv", "ix", "ichain", "isort", "ifilter", "ieval", "ienum", "ienv", |
|
83 | "icsv", "ix", "ichain", "isort", "ifilter", "ieval", "ienum", "ienv", | |
84 | "idump", "iless" |
|
84 | "idump", "iless" | |
85 | ] |
|
85 | ] | |
86 |
|
86 | |||
87 |
|
87 | |||
88 | os.stat_float_times(True) # enable microseconds |
|
88 | os.stat_float_times(True) # enable microseconds | |
89 |
|
89 | |||
90 |
|
90 | |||
91 | _default = object() |
|
91 | _default = object() | |
92 |
|
92 | |||
93 | def item(iterator, index, default=_default): |
|
93 | def item(iterator, index, default=_default): | |
94 | """ |
|
94 | """ | |
95 | Return the ``index``th item from the iterator ``iterator``. |
|
95 | Return the ``index``th item from the iterator ``iterator``. | |
96 | ``index`` must be an integer (negative integers are relative to the |
|
96 | ``index`` must be an integer (negative integers are relative to the | |
97 | end (i.e. the last item produced by the iterator)). |
|
97 | end (i.e. the last item produced by the iterator)). | |
98 |
|
98 | |||
99 | If ``default`` is given, this will be the default value when |
|
99 | If ``default`` is given, this will be the default value when | |
100 | the iterator doesn't contain an item at this position. Otherwise an |
|
100 | the iterator doesn't contain an item at this position. Otherwise an | |
101 | ``IndexError`` will be raised. |
|
101 | ``IndexError`` will be raised. | |
102 |
|
102 | |||
103 | Note that using this function will partially or totally exhaust the |
|
103 | Note that using this function will partially or totally exhaust the | |
104 | iterator. |
|
104 | iterator. | |
105 | """ |
|
105 | """ | |
106 | i = index |
|
106 | i = index | |
107 | if i>=0: |
|
107 | if i>=0: | |
108 | for item in iterator: |
|
108 | for item in iterator: | |
109 | if not i: |
|
109 | if not i: | |
110 | return item |
|
110 | return item | |
111 | i -= 1 |
|
111 | i -= 1 | |
112 | else: |
|
112 | else: | |
113 | i = -index |
|
113 | i = -index | |
114 | cache = deque() |
|
114 | cache = deque() | |
115 | for item in iterator: |
|
115 | for item in iterator: | |
116 | cache.append(item) |
|
116 | cache.append(item) | |
117 | if len(cache)>i: |
|
117 | if len(cache)>i: | |
118 | cache.popleft() |
|
118 | cache.popleft() | |
119 | if len(cache)==i: |
|
119 | if len(cache)==i: | |
120 | return cache.popleft() |
|
120 | return cache.popleft() | |
121 | if default is _default: |
|
121 | if default is _default: | |
122 | raise IndexError(index) |
|
122 | raise IndexError(index) | |
123 | else: |
|
123 | else: | |
124 | return default |
|
124 | return default | |
125 |
|
125 | |||
126 |
|
126 | |||
127 | class _AttrNamespace(object): |
|
127 | class _AttrNamespace(object): | |
128 | """ |
|
128 | """ | |
129 | Internal helper that is used for providing a namespace for evaluating |
|
129 | Internal helper that is used for providing a namespace for evaluating | |
130 | expressions containg attribute names of an object. |
|
130 | expressions containg attribute names of an object. | |
131 | """ |
|
131 | """ | |
132 | def __init__(self, wrapped): |
|
132 | def __init__(self, wrapped): | |
133 | self.wrapped = wrapped |
|
133 | self.wrapped = wrapped | |
134 |
|
134 | |||
135 | def __getitem__(self, name): |
|
135 | def __getitem__(self, name): | |
136 | if name == "_": |
|
136 | if name == "_": | |
137 | return self.wrapped |
|
137 | return self.wrapped | |
138 | try: |
|
138 | try: | |
139 | return getattr(self.wrapped, name) |
|
139 | return getattr(self.wrapped, name) | |
140 | except AttributeError: |
|
140 | except AttributeError: | |
141 | raise KeyError(name) |
|
141 | raise KeyError(name) | |
142 |
|
142 | |||
143 |
|
143 | |||
144 | class Table(object): |
|
144 | class Table(object): | |
145 | """ |
|
145 | """ | |
146 | A ``Table`` is an object that produces items (just like a normal Python |
|
146 | A ``Table`` is an object that produces items (just like a normal Python | |
147 | iterator/generator does) and can be used as the first object in a pipeline |
|
147 | iterator/generator does) and can be used as the first object in a pipeline | |
148 | expression. The displayhook will open the default browser for such an object |
|
148 | expression. The displayhook will open the default browser for such an object | |
149 | (instead of simply printing the ``repr()`` result). |
|
149 | (instead of simply printing the ``repr()`` result). | |
150 | """ |
|
150 | """ | |
151 | class __metaclass__(type): |
|
151 | class __metaclass__(type): | |
152 | def __iter__(self): |
|
152 | def __iter__(self): | |
153 | return iter(self()) |
|
153 | return iter(self()) | |
154 |
|
154 | |||
155 | def __or__(self, other): |
|
155 | def __or__(self, other): | |
156 | return self() | other |
|
156 | return self() | other | |
157 |
|
157 | |||
158 | def __add__(self, other): |
|
158 | def __add__(self, other): | |
159 | return self() + other |
|
159 | return self() + other | |
160 |
|
160 | |||
161 | def __radd__(self, other): |
|
161 | def __radd__(self, other): | |
162 | return other + self() |
|
162 | return other + self() | |
163 |
|
163 | |||
164 | def __getitem__(self, index): |
|
164 | def __getitem__(self, index): | |
165 | return self()[index] |
|
165 | return self()[index] | |
166 |
|
166 | |||
167 | def __getitem__(self, index): |
|
167 | def __getitem__(self, index): | |
168 | return item(self, index) |
|
168 | return item(self, index) | |
169 |
|
169 | |||
170 | def __contains__(self, item): |
|
170 | def __contains__(self, item): | |
171 | for haveitem in self: |
|
171 | for haveitem in self: | |
172 | if item == haveitem: |
|
172 | if item == haveitem: | |
173 | return True |
|
173 | return True | |
174 | return False |
|
174 | return False | |
175 |
|
175 | |||
176 | def __or__(self, other): |
|
176 | def __or__(self, other): | |
177 | if isinstance(other, type) and issubclass(other, (Table, Display)): |
|
177 | if isinstance(other, type) and issubclass(other, (Table, Display)): | |
178 | other = other() |
|
178 | other = other() | |
179 | elif not isinstance(other, Display) and not isinstance(other, Table): |
|
179 | elif not isinstance(other, Display) and not isinstance(other, Table): | |
180 | other = ieval(other) |
|
180 | other = ieval(other) | |
181 | return other.__ror__(self) |
|
181 | return other.__ror__(self) | |
182 |
|
182 | |||
183 | def __add__(self, other): |
|
183 | def __add__(self, other): | |
184 | if isinstance(other, type) and issubclass(other, Table): |
|
184 | if isinstance(other, type) and issubclass(other, Table): | |
185 | other = other() |
|
185 | other = other() | |
186 | return ichain(self, other) |
|
186 | return ichain(self, other) | |
187 |
|
187 | |||
188 | def __radd__(self, other): |
|
188 | def __radd__(self, other): | |
189 | if isinstance(other, type) and issubclass(other, Table): |
|
189 | if isinstance(other, type) and issubclass(other, Table): | |
190 | other = other() |
|
190 | other = other() | |
191 | return ichain(other, self) |
|
191 | return ichain(other, self) | |
192 |
|
192 | |||
193 | def __iter__(self): |
|
193 | def __iter__(self): | |
194 | return xiter(self, "default") |
|
194 | return xiter(self, "default") | |
195 |
|
195 | |||
196 |
|
196 | |||
197 | class Pipe(Table): |
|
197 | class Pipe(Table): | |
198 | """ |
|
198 | """ | |
199 | A ``Pipe`` is an object that can be used in a pipeline expression. It |
|
199 | A ``Pipe`` is an object that can be used in a pipeline expression. It | |
200 | processes the objects it gets from its input ``Table``/``Pipe``. Note that |
|
200 | processes the objects it gets from its input ``Table``/``Pipe``. Note that | |
201 | a ``Pipe`` object can't be used as the first object in a pipeline |
|
201 | a ``Pipe`` object can't be used as the first object in a pipeline | |
202 | expression, as it doesn't produces items itself. |
|
202 | expression, as it doesn't produces items itself. | |
203 | """ |
|
203 | """ | |
204 | class __metaclass__(Table.__metaclass__): |
|
204 | class __metaclass__(Table.__metaclass__): | |
205 | def __ror__(self, input): |
|
205 | def __ror__(self, input): | |
206 | return input | self() |
|
206 | return input | self() | |
207 |
|
207 | |||
208 | def __ror__(self, input): |
|
208 | def __ror__(self, input): | |
209 | if isinstance(input, type) and issubclass(input, Table): |
|
209 | if isinstance(input, type) and issubclass(input, Table): | |
210 | input = input() |
|
210 | input = input() | |
211 | self.input = input |
|
211 | self.input = input | |
212 | return self |
|
212 | return self | |
213 |
|
213 | |||
214 |
|
214 | |||
215 | def _getattr(obj, name, default=_default): |
|
215 | def _getattr(obj, name, default=_default): | |
216 | """ |
|
216 | """ | |
217 | Internal helper for getting an attribute of an item. If ``name`` is ``None`` |
|
217 | Internal helper for getting an attribute of an item. If ``name`` is ``None`` | |
218 | return the object itself. If ``name`` is an integer, use ``__getitem__`` |
|
218 | return the object itself. If ``name`` is an integer, use ``__getitem__`` | |
219 | instead. If the attribute or item does not exist, return ``default``. |
|
219 | instead. If the attribute or item does not exist, return ``default``. | |
220 | """ |
|
220 | """ | |
221 | if name is None: |
|
221 | if name is None: | |
222 | return obj |
|
222 | return obj | |
223 | elif isinstance(name, basestring): |
|
223 | elif isinstance(name, basestring): | |
224 | return getattr(obj, name, default) |
|
224 | return getattr(obj, name, default) | |
225 | elif callable(name): |
|
225 | elif callable(name): | |
226 | return name(obj) |
|
226 | return name(obj) | |
227 | else: |
|
227 | else: | |
228 | try: |
|
228 | try: | |
229 | return obj[name] |
|
229 | return obj[name] | |
230 | except IndexError: |
|
230 | except IndexError: | |
231 | return default |
|
231 | return default | |
232 |
|
232 | |||
233 |
|
233 | |||
234 | def _attrname(name): |
|
234 | def _attrname(name): | |
235 | """ |
|
235 | """ | |
236 | Internal helper that gives a proper name for the attribute ``name`` |
|
236 | Internal helper that gives a proper name for the attribute ``name`` | |
237 | (which might be ``None`` or an ``int``). |
|
237 | (which might be ``None`` or an ``int``). | |
238 | """ |
|
238 | """ | |
239 | if name is None: |
|
239 | if name is None: | |
240 | return "_" |
|
240 | return "_" | |
241 | elif isinstance(name, basestring): |
|
241 | elif isinstance(name, basestring): | |
242 | return name |
|
242 | return name | |
243 | elif callable(name): |
|
243 | elif callable(name): | |
244 | return name.__name__ |
|
244 | return name.__name__ | |
245 | else: |
|
245 | else: | |
246 | return str(name) |
|
246 | return str(name) | |
247 |
|
247 | |||
248 |
|
248 | |||
249 | def xrepr(item, mode): |
|
249 | def xrepr(item, mode): | |
250 | try: |
|
250 | try: | |
251 | func = item.__xrepr__ |
|
251 | func = item.__xrepr__ | |
252 | except (KeyboardInterrupt, SystemExit): |
|
252 | except (KeyboardInterrupt, SystemExit): | |
253 | raise |
|
253 | raise | |
254 | except Exception: |
|
254 | except Exception: | |
255 | return repr(item) |
|
255 | return repr(item) | |
256 | else: |
|
256 | else: | |
257 | return func(mode) |
|
257 | return func(mode) | |
258 |
|
258 | |||
259 |
|
259 | |||
260 | def xattrs(item, mode): |
|
260 | def xattrs(item, mode): | |
261 | try: |
|
261 | try: | |
262 | func = item.__xattrs__ |
|
262 | func = item.__xattrs__ | |
263 | except AttributeError: |
|
263 | except AttributeError: | |
264 | if isinstance(item, (list, tuple)): |
|
264 | if isinstance(item, (list, tuple)): | |
265 | return xrange(len(item)) |
|
265 | return xrange(len(item)) | |
266 | return (None,) |
|
266 | return (None,) | |
267 | else: |
|
267 | else: | |
268 | return func(mode) |
|
268 | return func(mode) | |
269 |
|
269 | |||
270 |
|
270 | |||
271 | def xiter(item, mode): |
|
271 | def xiter(item, mode): | |
272 | if mode == "detail": |
|
272 | if mode == "detail": | |
273 | def items(): |
|
273 | def items(): | |
274 | for name in xattrs(item, mode): |
|
274 | for name in xattrs(item, mode): | |
275 | yield XAttr(item, name) |
|
275 | yield XAttr(item, name) | |
276 | return items() |
|
276 | return items() | |
277 | try: |
|
277 | try: | |
278 | func = item.__xiter__ |
|
278 | func = item.__xiter__ | |
279 | except AttributeError: |
|
279 | except AttributeError: | |
280 | if isinstance(item, dict): |
|
280 | if isinstance(item, dict): | |
281 |
|
|
281 | def items(item): | |
|
282 | fields = ("key", "value") | |||
|
283 | for (key, value) in item.iteritems(): | |||
|
284 | yield Fields(fields, key=key, value=value) | |||
|
285 | return items(item) | |||
282 | elif isinstance(item, new.module): |
|
286 | elif isinstance(item, new.module): | |
283 | def items(item): |
|
287 | def items(item): | |
|
288 | fields = ("key", "value") | |||
284 | for key in sorted(item.__dict__): |
|
289 | for key in sorted(item.__dict__): | |
285 |
yield |
|
290 | yield Fields(fields, key, getattr(item, key)) | |
286 | return items(item) |
|
291 | return items(item) | |
287 | elif isinstance(item, basestring): |
|
292 | elif isinstance(item, basestring): | |
288 | if not len(item): |
|
293 | if not len(item): | |
289 | raise ValueError("can't enter empty string") |
|
294 | raise ValueError("can't enter empty string") | |
290 | lines = item.splitlines() |
|
295 | lines = item.splitlines() | |
291 | if len(lines) <= 1: |
|
296 | if len(lines) <= 1: | |
292 | raise ValueError("can't enter one line string") |
|
297 | raise ValueError("can't enter one line string") | |
293 | return iter(lines) |
|
298 | return iter(lines) | |
294 | return iter(item) |
|
299 | return iter(item) | |
295 | else: |
|
300 | else: | |
296 | return iter(func(mode)) # iter() just to be safe |
|
301 | return iter(func(mode)) # iter() just to be safe | |
297 |
|
302 | |||
298 |
|
303 | |||
299 | class ichain(Pipe): |
|
304 | class ichain(Pipe): | |
300 | """ |
|
305 | """ | |
301 | Chains multiple ``Table``s into one. |
|
306 | Chains multiple ``Table``s into one. | |
302 | """ |
|
307 | """ | |
303 |
|
308 | |||
304 | def __init__(self, *iters): |
|
309 | def __init__(self, *iters): | |
305 | self.iters = iters |
|
310 | self.iters = iters | |
306 |
|
311 | |||
307 | def __xiter__(self, mode): |
|
312 | def __xiter__(self, mode): | |
308 | return itertools.chain(*self.iters) |
|
313 | return itertools.chain(*self.iters) | |
309 |
|
314 | |||
310 | def __xrepr__(self, mode): |
|
315 | def __xrepr__(self, mode): | |
311 | if mode == "header" or mode == "footer": |
|
316 | if mode == "header" or mode == "footer": | |
312 | parts = [] |
|
317 | parts = [] | |
313 | for item in self.iters: |
|
318 | for item in self.iters: | |
314 | part = xrepr(item, mode) |
|
319 | part = xrepr(item, mode) | |
315 | if isinstance(item, Pipe): |
|
320 | if isinstance(item, Pipe): | |
316 | part = "(%s)" % part |
|
321 | part = "(%s)" % part | |
317 | parts.append(part) |
|
322 | parts.append(part) | |
318 | return "+".join(parts) |
|
323 | return "+".join(parts) | |
319 | return repr(self) |
|
324 | return repr(self) | |
320 |
|
325 | |||
321 | def __repr__(self): |
|
326 | def __repr__(self): | |
322 | args = ", ".join([repr(it) for it in self.iters]) |
|
327 | args = ", ".join([repr(it) for it in self.iters]) | |
323 | return "%s.%s(%s)" % \ |
|
328 | return "%s.%s(%s)" % \ | |
324 | (self.__class__.__module__, self.__class__.__name__, args) |
|
329 | (self.__class__.__module__, self.__class__.__name__, args) | |
325 |
|
330 | |||
326 |
|
331 | |||
327 | class ifile(object): |
|
332 | class ifile(object): | |
328 | __slots__ = ("name", "_abspath", "_realpath", "_stat", "_lstat") |
|
333 | __slots__ = ("name", "_abspath", "_realpath", "_stat", "_lstat") | |
329 |
|
334 | |||
330 | def __init__(self, name): |
|
335 | def __init__(self, name): | |
331 | if isinstance(name, ifile): # copying files |
|
336 | if isinstance(name, ifile): # copying files | |
332 | self.name = name.name |
|
337 | self.name = name.name | |
333 | self._abspath = name._abspath |
|
338 | self._abspath = name._abspath | |
334 | self._realpath = name._realpath |
|
339 | self._realpath = name._realpath | |
335 | self._stat = name._stat |
|
340 | self._stat = name._stat | |
336 | self._lstat = name._lstat |
|
341 | self._lstat = name._lstat | |
337 | else: |
|
342 | else: | |
338 | self.name = os.path.normpath(name) |
|
343 | self.name = os.path.normpath(name) | |
339 | self._abspath = None |
|
344 | self._abspath = None | |
340 | self._realpath = None |
|
345 | self._realpath = None | |
341 | self._stat = None |
|
346 | self._stat = None | |
342 | self._lstat = None |
|
347 | self._lstat = None | |
343 |
|
348 | |||
344 | def __repr__(self): |
|
349 | def __repr__(self): | |
345 | return "%s.%s(%r)" % \ |
|
350 | return "%s.%s(%r)" % \ | |
346 | (self.__class__.__module__, self.__class__.__name__, self.name) |
|
351 | (self.__class__.__module__, self.__class__.__name__, self.name) | |
347 |
|
352 | |||
348 | def open(self, mode="rb", buffer=None): |
|
353 | def open(self, mode="rb", buffer=None): | |
349 | if buffer is None: |
|
354 | if buffer is None: | |
350 | return open(self.abspath, mode) |
|
355 | return open(self.abspath, mode) | |
351 | else: |
|
356 | else: | |
352 | return open(self.abspath, mode, buffer) |
|
357 | return open(self.abspath, mode, buffer) | |
353 |
|
358 | |||
354 | def remove(self): |
|
359 | def remove(self): | |
355 | os.remove(self.abspath) |
|
360 | os.remove(self.abspath) | |
356 |
|
361 | |||
357 | def getabspath(self): |
|
362 | def getabspath(self): | |
358 | if self._abspath is None: |
|
363 | if self._abspath is None: | |
359 | self._abspath = os.path.abspath(self.name) |
|
364 | self._abspath = os.path.abspath(self.name) | |
360 | return self._abspath |
|
365 | return self._abspath | |
361 | abspath = property(getabspath, None, None, "Path to file") |
|
366 | abspath = property(getabspath, None, None, "Path to file") | |
362 |
|
367 | |||
363 | def getrealpath(self): |
|
368 | def getrealpath(self): | |
364 | if self._realpath is None: |
|
369 | if self._realpath is None: | |
365 | self._realpath = os.path.realpath(self.name) |
|
370 | self._realpath = os.path.realpath(self.name) | |
366 | return self._realpath |
|
371 | return self._realpath | |
367 | realpath = property(getrealpath, None, None, "Path with links resolved") |
|
372 | realpath = property(getrealpath, None, None, "Path with links resolved") | |
368 |
|
373 | |||
369 | def getbasename(self): |
|
374 | def getbasename(self): | |
370 | return os.path.basename(self.abspath) |
|
375 | return os.path.basename(self.abspath) | |
371 | basename = property(getbasename, None, None, "File name without directory") |
|
376 | basename = property(getbasename, None, None, "File name without directory") | |
372 |
|
377 | |||
373 | def getstat(self): |
|
378 | def getstat(self): | |
374 | if self._stat is None: |
|
379 | if self._stat is None: | |
375 | self._stat = os.stat(self.abspath) |
|
380 | self._stat = os.stat(self.abspath) | |
376 | return self._stat |
|
381 | return self._stat | |
377 | stat = property(getstat, None, None, "os.stat() result") |
|
382 | stat = property(getstat, None, None, "os.stat() result") | |
378 |
|
383 | |||
379 | def getlstat(self): |
|
384 | def getlstat(self): | |
380 | if self._lstat is None: |
|
385 | if self._lstat is None: | |
381 | self._lstat = os.lstat(self.abspath) |
|
386 | self._lstat = os.lstat(self.abspath) | |
382 | return self._lstat |
|
387 | return self._lstat | |
383 | lstat = property(getlstat, None, None, "os.lstat() result") |
|
388 | lstat = property(getlstat, None, None, "os.lstat() result") | |
384 |
|
389 | |||
385 | def getmode(self): |
|
390 | def getmode(self): | |
386 | return self.stat.st_mode |
|
391 | return self.stat.st_mode | |
387 | mode = property(getmode, None, None, "Access mode") |
|
392 | mode = property(getmode, None, None, "Access mode") | |
388 |
|
393 | |||
389 | def gettype(self): |
|
394 | def gettype(self): | |
390 | data = [ |
|
395 | data = [ | |
391 | (stat.S_ISREG, "file"), |
|
396 | (stat.S_ISREG, "file"), | |
392 | (stat.S_ISDIR, "dir"), |
|
397 | (stat.S_ISDIR, "dir"), | |
393 | (stat.S_ISCHR, "chardev"), |
|
398 | (stat.S_ISCHR, "chardev"), | |
394 | (stat.S_ISBLK, "blockdev"), |
|
399 | (stat.S_ISBLK, "blockdev"), | |
395 | (stat.S_ISFIFO, "fifo"), |
|
400 | (stat.S_ISFIFO, "fifo"), | |
396 | (stat.S_ISLNK, "symlink"), |
|
401 | (stat.S_ISLNK, "symlink"), | |
397 | (stat.S_ISSOCK,"socket"), |
|
402 | (stat.S_ISSOCK,"socket"), | |
398 | ] |
|
403 | ] | |
399 | lstat = self.lstat |
|
404 | lstat = self.lstat | |
400 | if lstat is not None: |
|
405 | if lstat is not None: | |
401 | types = set([text for (func, text) in data if func(lstat.st_mode)]) |
|
406 | types = set([text for (func, text) in data if func(lstat.st_mode)]) | |
402 | else: |
|
407 | else: | |
403 | types = set() |
|
408 | types = set() | |
404 | m = self.mode |
|
409 | m = self.mode | |
405 | types.update([text for (func, text) in data if func(m)]) |
|
410 | types.update([text for (func, text) in data if func(m)]) | |
406 | return ", ".join(types) |
|
411 | return ", ".join(types) | |
407 | type = property(gettype, None, None, "file type") |
|
412 | type = property(gettype, None, None, "file type") | |
408 |
|
413 | |||
409 | def getaccess(self): |
|
414 | def getaccess(self): | |
410 | m = self.mode |
|
415 | m = self.mode | |
411 | data = [ |
|
416 | data = [ | |
412 | (stat.S_IRUSR, "-r"), |
|
417 | (stat.S_IRUSR, "-r"), | |
413 | (stat.S_IWUSR, "-w"), |
|
418 | (stat.S_IWUSR, "-w"), | |
414 | (stat.S_IXUSR, "-x"), |
|
419 | (stat.S_IXUSR, "-x"), | |
415 | (stat.S_IRGRP, "-r"), |
|
420 | (stat.S_IRGRP, "-r"), | |
416 | (stat.S_IWGRP, "-w"), |
|
421 | (stat.S_IWGRP, "-w"), | |
417 | (stat.S_IXGRP, "-x"), |
|
422 | (stat.S_IXGRP, "-x"), | |
418 | (stat.S_IROTH, "-r"), |
|
423 | (stat.S_IROTH, "-r"), | |
419 | (stat.S_IWOTH, "-w"), |
|
424 | (stat.S_IWOTH, "-w"), | |
420 | (stat.S_IXOTH, "-x"), |
|
425 | (stat.S_IXOTH, "-x"), | |
421 | ] |
|
426 | ] | |
422 | return "".join([text[bool(m&bit)] for (bit, text) in data]) |
|
427 | return "".join([text[bool(m&bit)] for (bit, text) in data]) | |
423 |
|
428 | |||
424 | access = property(getaccess, None, None, "Access mode as string") |
|
429 | access = property(getaccess, None, None, "Access mode as string") | |
425 |
|
430 | |||
426 | def getsize(self): |
|
431 | def getsize(self): | |
427 | return int(self.stat.st_size) |
|
432 | return int(self.stat.st_size) | |
428 | size = property(getsize, None, None, "File size in bytes") |
|
433 | size = property(getsize, None, None, "File size in bytes") | |
429 |
|
434 | |||
430 | def getblocks(self): |
|
435 | def getblocks(self): | |
431 | return self.stat.st_blocks |
|
436 | return self.stat.st_blocks | |
432 | blocks = property(getblocks, None, None, "File size in blocks") |
|
437 | blocks = property(getblocks, None, None, "File size in blocks") | |
433 |
|
438 | |||
434 | def getblksize(self): |
|
439 | def getblksize(self): | |
435 | return self.stat.st_blksize |
|
440 | return self.stat.st_blksize | |
436 | blksize = property(getblksize, None, None, "Filesystem block size") |
|
441 | blksize = property(getblksize, None, None, "Filesystem block size") | |
437 |
|
442 | |||
438 | def getdev(self): |
|
443 | def getdev(self): | |
439 | return self.stat.st_dev |
|
444 | return self.stat.st_dev | |
440 | dev = property(getdev) |
|
445 | dev = property(getdev) | |
441 |
|
446 | |||
442 | def getnlink(self): |
|
447 | def getnlink(self): | |
443 | return self.stat.st_nlink |
|
448 | return self.stat.st_nlink | |
444 | nlink = property(getnlink, None, None, "Number of links") |
|
449 | nlink = property(getnlink, None, None, "Number of links") | |
445 |
|
450 | |||
446 | def getuid(self): |
|
451 | def getuid(self): | |
447 | return self.stat.st_uid |
|
452 | return self.stat.st_uid | |
448 | uid = property(getuid, None, None, "User id of file owner") |
|
453 | uid = property(getuid, None, None, "User id of file owner") | |
449 |
|
454 | |||
450 | def getgid(self): |
|
455 | def getgid(self): | |
451 | return self.stat.st_gid |
|
456 | return self.stat.st_gid | |
452 | gid = property(getgid, None, None, "Group id of file owner") |
|
457 | gid = property(getgid, None, None, "Group id of file owner") | |
453 |
|
458 | |||
454 | def getowner(self): |
|
459 | def getowner(self): | |
455 | try: |
|
460 | try: | |
456 | return pwd.getpwuid(self.stat.st_uid).pw_name |
|
461 | return pwd.getpwuid(self.stat.st_uid).pw_name | |
457 | except KeyError: |
|
462 | except KeyError: | |
458 | return self.stat.st_uid |
|
463 | return self.stat.st_uid | |
459 | owner = property(getowner, None, None, "Owner name (or id)") |
|
464 | owner = property(getowner, None, None, "Owner name (or id)") | |
460 |
|
465 | |||
461 | def getgroup(self): |
|
466 | def getgroup(self): | |
462 | try: |
|
467 | try: | |
463 | return grp.getgrgid(self.stat.st_gid).gr_name |
|
468 | return grp.getgrgid(self.stat.st_gid).gr_name | |
464 | except KeyError: |
|
469 | except KeyError: | |
465 | return self.stat.st_gid |
|
470 | return self.stat.st_gid | |
466 | group = property(getgroup, None, None, "Group name (or id)") |
|
471 | group = property(getgroup, None, None, "Group name (or id)") | |
467 |
|
472 | |||
468 | def getatime(self): |
|
473 | def getatime(self): | |
469 | return self.stat.st_atime |
|
474 | return self.stat.st_atime | |
470 | atime = property(getatime, None, None, "Access date") |
|
475 | atime = property(getatime, None, None, "Access date") | |
471 |
|
476 | |||
472 | def getadate(self): |
|
477 | def getadate(self): | |
473 | return datetime.datetime.utcfromtimestamp(self.atime) |
|
478 | return datetime.datetime.utcfromtimestamp(self.atime) | |
474 | adate = property(getadate, None, None, "Access date") |
|
479 | adate = property(getadate, None, None, "Access date") | |
475 |
|
480 | |||
476 | def getctime(self): |
|
481 | def getctime(self): | |
477 | return self.stat.st_ctime |
|
482 | return self.stat.st_ctime | |
478 | ctime = property(getctime, None, None, "Creation date") |
|
483 | ctime = property(getctime, None, None, "Creation date") | |
479 |
|
484 | |||
480 | def getcdate(self): |
|
485 | def getcdate(self): | |
481 | return datetime.datetime.utcfromtimestamp(self.ctime) |
|
486 | return datetime.datetime.utcfromtimestamp(self.ctime) | |
482 | cdate = property(getcdate, None, None, "Creation date") |
|
487 | cdate = property(getcdate, None, None, "Creation date") | |
483 |
|
488 | |||
484 | def getmtime(self): |
|
489 | def getmtime(self): | |
485 | return self.stat.st_mtime |
|
490 | return self.stat.st_mtime | |
486 | mtime = property(getmtime, None, None, "Modification date") |
|
491 | mtime = property(getmtime, None, None, "Modification date") | |
487 |
|
492 | |||
488 | def getmdate(self): |
|
493 | def getmdate(self): | |
489 | return datetime.datetime.utcfromtimestamp(self.mtime) |
|
494 | return datetime.datetime.utcfromtimestamp(self.mtime) | |
490 | mdate = property(getmdate, None, None, "Modification date") |
|
495 | mdate = property(getmdate, None, None, "Modification date") | |
491 |
|
496 | |||
492 | def getmimetype(self): |
|
497 | def getmimetype(self): | |
493 | return mimetypes.guess_type(self.basename)[0] |
|
498 | return mimetypes.guess_type(self.basename)[0] | |
494 | mimetype = property(getmimetype, None, None, "MIME type") |
|
499 | mimetype = property(getmimetype, None, None, "MIME type") | |
495 |
|
500 | |||
496 | def getencoding(self): |
|
501 | def getencoding(self): | |
497 | return mimetypes.guess_type(self.basename)[1] |
|
502 | return mimetypes.guess_type(self.basename)[1] | |
498 | encoding = property(getencoding, None, None, "Compression") |
|
503 | encoding = property(getencoding, None, None, "Compression") | |
499 |
|
504 | |||
500 | def getisdir(self): |
|
505 | def getisdir(self): | |
501 | return os.path.isdir(self.abspath) |
|
506 | return os.path.isdir(self.abspath) | |
502 | isdir = property(getisdir, None, None, "Is this a directory?") |
|
507 | isdir = property(getisdir, None, None, "Is this a directory?") | |
503 |
|
508 | |||
504 | def getislink(self): |
|
509 | def getislink(self): | |
505 | return os.path.islink(self.abspath) |
|
510 | return os.path.islink(self.abspath) | |
506 | islink = property(getislink, None, None, "Is this a link?") |
|
511 | islink = property(getislink, None, None, "Is this a link?") | |
507 |
|
512 | |||
508 | def __eq__(self, other): |
|
513 | def __eq__(self, other): | |
509 | return self.abspath == other.abspath |
|
514 | return self.abspath == other.abspath | |
510 |
|
515 | |||
511 | def __neq__(self, other): |
|
516 | def __neq__(self, other): | |
512 | return self.abspath != other.abspath |
|
517 | return self.abspath != other.abspath | |
513 |
|
518 | |||
514 | def __xattrs__(self, mode): |
|
519 | def __xattrs__(self, mode): | |
515 | if mode == "detail": |
|
520 | if mode == "detail": | |
516 | return ( |
|
521 | return ( | |
517 | "name", "basename", "abspath", "realpath", |
|
522 | "name", "basename", "abspath", "realpath", | |
518 | "mode", "type", "access", "stat", "lstat", |
|
523 | "mode", "type", "access", "stat", "lstat", | |
519 | "uid", "gid", "owner", "group", "dev", "nlink", |
|
524 | "uid", "gid", "owner", "group", "dev", "nlink", | |
520 | "ctime", "mtime", "atime", "cdate", "mdate", "adate", |
|
525 | "ctime", "mtime", "atime", "cdate", "mdate", "adate", | |
521 | "size", "blocks", "blksize", "isdir", "islink", |
|
526 | "size", "blocks", "blksize", "isdir", "islink", | |
522 | "mimetype", "encoding" |
|
527 | "mimetype", "encoding" | |
523 | ) |
|
528 | ) | |
524 | return ("type", "access", "owner", "group", "mdate", "size", "name") |
|
529 | return ("type", "access", "owner", "group", "mdate", "size", "name") | |
525 |
|
530 | |||
526 | def __xrepr__(self, mode): |
|
531 | def __xrepr__(self, mode): | |
527 | if mode == "header" or mode == "footer": |
|
532 | if mode == "header" or mode == "footer": | |
528 | name = "ifile" |
|
533 | name = "ifile" | |
529 | try: |
|
534 | try: | |
530 | if self.isdir: |
|
535 | if self.isdir: | |
531 | name = "idir" |
|
536 | name = "idir" | |
532 | except IOError: |
|
537 | except IOError: | |
533 | pass |
|
538 | pass | |
534 | return "%s(%r)" % (name, self.abspath) |
|
539 | return "%s(%r)" % (name, self.abspath) | |
535 | return repr(self) |
|
540 | return repr(self) | |
536 |
|
541 | |||
537 | def __xiter__(self, mode): |
|
542 | def __xiter__(self, mode): | |
538 | if self.isdir: |
|
543 | if self.isdir: | |
539 | abspath = self.abspath |
|
544 | abspath = self.abspath | |
540 | if abspath != os.path.abspath(os.path.join(abspath, os.pardir)): |
|
545 | if abspath != os.path.abspath(os.path.join(abspath, os.pardir)): | |
541 | yield iparentdir(abspath) |
|
546 | yield iparentdir(abspath) | |
542 | for name in sorted(os.listdir(abspath), key=lambda n: n.lower()): |
|
547 | for name in sorted(os.listdir(abspath), key=lambda n: n.lower()): | |
543 | if self.name != os.curdir: |
|
548 | if self.name != os.curdir: | |
544 | name = os.path.join(abspath, name) |
|
549 | name = os.path.join(abspath, name) | |
545 | yield ifile(name) |
|
550 | yield ifile(name) | |
546 | else: |
|
551 | else: | |
547 | f = self.open("rb") |
|
552 | f = self.open("rb") | |
548 | for line in f: |
|
553 | for line in f: | |
549 | yield line |
|
554 | yield line | |
550 | f.close() |
|
555 | f.close() | |
551 |
|
556 | |||
552 | def __repr__(self): |
|
557 | def __repr__(self): | |
553 | return "%s.%s(%r)" % \ |
|
558 | return "%s.%s(%r)" % \ | |
554 | (self.__class__.__module__, self.__class__.__name__, self.abspath) |
|
559 | (self.__class__.__module__, self.__class__.__name__, self.abspath) | |
555 |
|
560 | |||
556 |
|
561 | |||
557 | class iparentdir(ifile): |
|
562 | class iparentdir(ifile): | |
558 | def __init__(self, base): |
|
563 | def __init__(self, base): | |
559 | self._base = base |
|
564 | self._base = base | |
560 | self.name = os.pardir |
|
565 | self.name = os.pardir | |
561 | self._abspath = None |
|
566 | self._abspath = None | |
562 | self._realpath = None |
|
567 | self._realpath = None | |
563 | self._stat = None |
|
568 | self._stat = None | |
564 | self._lstat = None |
|
569 | self._lstat = None | |
565 |
|
570 | |||
566 | def getabspath(self): |
|
571 | def getabspath(self): | |
567 | if self._abspath is None: |
|
572 | if self._abspath is None: | |
568 | self._abspath = os.path.abspath(os.path.join(self._base, self.name)) |
|
573 | self._abspath = os.path.abspath(os.path.join(self._base, self.name)) | |
569 | return self._abspath |
|
574 | return self._abspath | |
570 | abspath = property(getabspath, None, None, "Path to file") |
|
575 | abspath = property(getabspath, None, None, "Path to file") | |
571 |
|
576 | |||
572 | def getrealpath(self): |
|
577 | def getrealpath(self): | |
573 | if self._realpath is None: |
|
578 | if self._realpath is None: | |
574 | self._realpath = os.path.realpath( |
|
579 | self._realpath = os.path.realpath( | |
575 | os.path.join(self._base, self.name)) |
|
580 | os.path.join(self._base, self.name)) | |
576 | return self._realpath |
|
581 | return self._realpath | |
577 | realpath = property(getrealpath, None, None, "Path with links resolved") |
|
582 | realpath = property(getrealpath, None, None, "Path with links resolved") | |
578 |
|
583 | |||
579 |
|
584 | |||
580 | class ils(Table): |
|
585 | class ils(Table): | |
581 | def __init__(self, base=os.curdir): |
|
586 | def __init__(self, base=os.curdir): | |
582 | self.base = os.path.expanduser(base) |
|
587 | self.base = os.path.expanduser(base) | |
583 |
|
588 | |||
584 | def __xiter__(self, mode): |
|
589 | def __xiter__(self, mode): | |
585 | return xiter(ifile(self.base), mode) |
|
590 | return xiter(ifile(self.base), mode) | |
586 |
|
591 | |||
587 | def __xrepr__(self, mode): |
|
592 | def __xrepr__(self, mode): | |
588 | if mode == "header" or mode == "footer": |
|
593 | if mode == "header" or mode == "footer": | |
589 | return "idir(%r)" % (os.path.abspath(self.base)) |
|
594 | return "idir(%r)" % (os.path.abspath(self.base)) | |
590 | return repr(self) |
|
595 | return repr(self) | |
591 |
|
596 | |||
592 | def __repr__(self): |
|
597 | def __repr__(self): | |
593 | return "%s.%s(%r)" % \ |
|
598 | return "%s.%s(%r)" % \ | |
594 | (self.__class__.__module__, self.__class__.__name__, self.base) |
|
599 | (self.__class__.__module__, self.__class__.__name__, self.base) | |
595 |
|
600 | |||
596 |
|
601 | |||
597 | class iglob(Table): |
|
602 | class iglob(Table): | |
598 | def __init__(self, glob): |
|
603 | def __init__(self, glob): | |
599 | self.glob = glob |
|
604 | self.glob = glob | |
600 |
|
605 | |||
601 | def __xiter__(self, mode): |
|
606 | def __xiter__(self, mode): | |
602 | for name in glob.glob(self.glob): |
|
607 | for name in glob.glob(self.glob): | |
603 | yield ifile(name) |
|
608 | yield ifile(name) | |
604 |
|
609 | |||
605 | def __xrepr__(self, mode): |
|
610 | def __xrepr__(self, mode): | |
606 | if mode == "header" or mode == "footer": |
|
611 | if mode == "header" or mode == "footer": | |
607 | return "%s(%r)" % (self.__class__.__name__, self.glob) |
|
612 | return "%s(%r)" % (self.__class__.__name__, self.glob) | |
608 | return repr(self) |
|
613 | return repr(self) | |
609 |
|
614 | |||
610 | def __repr__(self): |
|
615 | def __repr__(self): | |
611 | return "%s.%s(%r)" % \ |
|
616 | return "%s.%s(%r)" % \ | |
612 | (self.__class__.__module__, self.__class__.__name__, self.glob) |
|
617 | (self.__class__.__module__, self.__class__.__name__, self.glob) | |
613 |
|
618 | |||
614 |
|
619 | |||
615 | class iwalk(Table): |
|
620 | class iwalk(Table): | |
616 | def __init__(self, base=os.curdir, dirs=True, files=True): |
|
621 | def __init__(self, base=os.curdir, dirs=True, files=True): | |
617 | self.base = os.path.expanduser(base) |
|
622 | self.base = os.path.expanduser(base) | |
618 | self.dirs = dirs |
|
623 | self.dirs = dirs | |
619 | self.files = files |
|
624 | self.files = files | |
620 |
|
625 | |||
621 | def __xiter__(self, mode): |
|
626 | def __xiter__(self, mode): | |
622 | for (dirpath, dirnames, filenames) in os.walk(self.base): |
|
627 | for (dirpath, dirnames, filenames) in os.walk(self.base): | |
623 | if self.dirs: |
|
628 | if self.dirs: | |
624 | for name in sorted(dirnames): |
|
629 | for name in sorted(dirnames): | |
625 | yield ifile(os.path.join(dirpath, name)) |
|
630 | yield ifile(os.path.join(dirpath, name)) | |
626 | if self.files: |
|
631 | if self.files: | |
627 | for name in sorted(filenames): |
|
632 | for name in sorted(filenames): | |
628 | yield ifile(os.path.join(dirpath, name)) |
|
633 | yield ifile(os.path.join(dirpath, name)) | |
629 |
|
634 | |||
630 | def __xrepr__(self, mode): |
|
635 | def __xrepr__(self, mode): | |
631 | if mode == "header" or mode == "footer": |
|
636 | if mode == "header" or mode == "footer": | |
632 | return "%s(%r)" % (self.__class__.__name__, self.base) |
|
637 | return "%s(%r)" % (self.__class__.__name__, self.base) | |
633 | return repr(self) |
|
638 | return repr(self) | |
634 |
|
639 | |||
635 | def __repr__(self): |
|
640 | def __repr__(self): | |
636 | return "%s.%s(%r)" % \ |
|
641 | return "%s.%s(%r)" % \ | |
637 | (self.__class__.__module__, self.__class__.__name__, self.base) |
|
642 | (self.__class__.__module__, self.__class__.__name__, self.base) | |
638 |
|
643 | |||
639 |
|
644 | |||
640 | class ipwdentry(object): |
|
645 | class ipwdentry(object): | |
641 | def __init__(self, id): |
|
646 | def __init__(self, id): | |
642 | self._id = id |
|
647 | self._id = id | |
643 | self._entry = None |
|
648 | self._entry = None | |
644 |
|
649 | |||
645 | def _getentry(self): |
|
650 | def _getentry(self): | |
646 | if self._entry is None: |
|
651 | if self._entry is None: | |
647 | if isinstance(self._id, basestring): |
|
652 | if isinstance(self._id, basestring): | |
648 | self._entry = pwd.getpwnam(self._id) |
|
653 | self._entry = pwd.getpwnam(self._id) | |
649 | else: |
|
654 | else: | |
650 | self._entry = pwd.getpwuid(self._id) |
|
655 | self._entry = pwd.getpwuid(self._id) | |
651 | return self._entry |
|
656 | return self._entry | |
652 |
|
657 | |||
653 | def getname(self): |
|
658 | def getname(self): | |
654 | if isinstance(self._id, basestring): |
|
659 | if isinstance(self._id, basestring): | |
655 | return self._id |
|
660 | return self._id | |
656 | else: |
|
661 | else: | |
657 | return self._getentry().pw_name |
|
662 | return self._getentry().pw_name | |
658 | name = property(getname, None, None, "User name") |
|
663 | name = property(getname, None, None, "User name") | |
659 |
|
664 | |||
660 | def getpasswd(self): |
|
665 | def getpasswd(self): | |
661 | return self._getentry().pw_passwd |
|
666 | return self._getentry().pw_passwd | |
662 | passwd = property(getpasswd, None, None, "Password") |
|
667 | passwd = property(getpasswd, None, None, "Password") | |
663 |
|
668 | |||
664 | def getuid(self): |
|
669 | def getuid(self): | |
665 | if isinstance(self._id, basestring): |
|
670 | if isinstance(self._id, basestring): | |
666 | return self._getentry().pw_uid |
|
671 | return self._getentry().pw_uid | |
667 | else: |
|
672 | else: | |
668 | return self._id |
|
673 | return self._id | |
669 | uid = property(getuid, None, None, "User id") |
|
674 | uid = property(getuid, None, None, "User id") | |
670 |
|
675 | |||
671 | def getgid(self): |
|
676 | def getgid(self): | |
672 | return self._getentry().pw_gid |
|
677 | return self._getentry().pw_gid | |
673 | gid = property(getgid, None, None, "Primary group id") |
|
678 | gid = property(getgid, None, None, "Primary group id") | |
674 |
|
679 | |||
675 | def getgroup(self): |
|
680 | def getgroup(self): | |
676 | return igrpentry(self.gid) |
|
681 | return igrpentry(self.gid) | |
677 | group = property(getgroup, None, None, "Group") |
|
682 | group = property(getgroup, None, None, "Group") | |
678 |
|
683 | |||
679 | def getgecos(self): |
|
684 | def getgecos(self): | |
680 | return self._getentry().pw_gecos |
|
685 | return self._getentry().pw_gecos | |
681 | gecos = property(getgecos, None, None, "Information (e.g. full user name)") |
|
686 | gecos = property(getgecos, None, None, "Information (e.g. full user name)") | |
682 |
|
687 | |||
683 | def getdir(self): |
|
688 | def getdir(self): | |
684 | return self._getentry().pw_dir |
|
689 | return self._getentry().pw_dir | |
685 | dir = property(getdir, None, None, "$HOME directory") |
|
690 | dir = property(getdir, None, None, "$HOME directory") | |
686 |
|
691 | |||
687 | def getshell(self): |
|
692 | def getshell(self): | |
688 | return self._getentry().pw_shell |
|
693 | return self._getentry().pw_shell | |
689 | shell = property(getshell, None, None, "Login shell") |
|
694 | shell = property(getshell, None, None, "Login shell") | |
690 |
|
695 | |||
691 | def __xattrs__(self, mode): |
|
696 | def __xattrs__(self, mode): | |
692 | return ("name", "passwd", "uid", "gid", "gecos", "dir", "shell") |
|
697 | return ("name", "passwd", "uid", "gid", "gecos", "dir", "shell") | |
693 |
|
698 | |||
694 | def __repr__(self): |
|
699 | def __repr__(self): | |
695 | return "%s.%s(%r)" % \ |
|
700 | return "%s.%s(%r)" % \ | |
696 | (self.__class__.__module__, self.__class__.__name__, self._id) |
|
701 | (self.__class__.__module__, self.__class__.__name__, self._id) | |
697 |
|
702 | |||
698 |
|
703 | |||
699 | class ipwd(Table): |
|
704 | class ipwd(Table): | |
700 | def __iter__(self): |
|
705 | def __iter__(self): | |
701 | for entry in pwd.getpwall(): |
|
706 | for entry in pwd.getpwall(): | |
702 | yield ipwdentry(entry.pw_name) |
|
707 | yield ipwdentry(entry.pw_name) | |
703 |
|
708 | |||
704 | def __xrepr__(self, mode): |
|
709 | def __xrepr__(self, mode): | |
705 | if mode == "header" or mode == "footer": |
|
710 | if mode == "header" or mode == "footer": | |
706 | return "%s()" % self.__class__.__name__ |
|
711 | return "%s()" % self.__class__.__name__ | |
707 | return repr(self) |
|
712 | return repr(self) | |
708 |
|
713 | |||
709 |
|
714 | |||
710 | class igrpentry(object): |
|
715 | class igrpentry(object): | |
711 | def __init__(self, id): |
|
716 | def __init__(self, id): | |
712 | self._id = id |
|
717 | self._id = id | |
713 | self._entry = None |
|
718 | self._entry = None | |
714 |
|
719 | |||
715 | def _getentry(self): |
|
720 | def _getentry(self): | |
716 | if self._entry is None: |
|
721 | if self._entry is None: | |
717 | if isinstance(self._id, basestring): |
|
722 | if isinstance(self._id, basestring): | |
718 | self._entry = grp.getgrnam(self._id) |
|
723 | self._entry = grp.getgrnam(self._id) | |
719 | else: |
|
724 | else: | |
720 | self._entry = grp.getgrgid(self._id) |
|
725 | self._entry = grp.getgrgid(self._id) | |
721 | return self._entry |
|
726 | return self._entry | |
722 |
|
727 | |||
723 | def getname(self): |
|
728 | def getname(self): | |
724 | if isinstance(self._id, basestring): |
|
729 | if isinstance(self._id, basestring): | |
725 | return self._id |
|
730 | return self._id | |
726 | else: |
|
731 | else: | |
727 | return self._getentry().gr_name |
|
732 | return self._getentry().gr_name | |
728 | name = property(getname, None, None, "Group name") |
|
733 | name = property(getname, None, None, "Group name") | |
729 |
|
734 | |||
730 | def getpasswd(self): |
|
735 | def getpasswd(self): | |
731 | return self._getentry().gr_passwd |
|
736 | return self._getentry().gr_passwd | |
732 | passwd = property(getpasswd, None, None, "Password") |
|
737 | passwd = property(getpasswd, None, None, "Password") | |
733 |
|
738 | |||
734 | def getgid(self): |
|
739 | def getgid(self): | |
735 | if isinstance(self._id, basestring): |
|
740 | if isinstance(self._id, basestring): | |
736 | return self._getentry().gr_gid |
|
741 | return self._getentry().gr_gid | |
737 | else: |
|
742 | else: | |
738 | return self._id |
|
743 | return self._id | |
739 | gid = property(getgid, None, None, "Group id") |
|
744 | gid = property(getgid, None, None, "Group id") | |
740 |
|
745 | |||
741 | def getmem(self): |
|
746 | def getmem(self): | |
742 | return self._getentry().gr_mem |
|
747 | return self._getentry().gr_mem | |
743 | mem = property(getmem, None, None, "Members") |
|
748 | mem = property(getmem, None, None, "Members") | |
744 |
|
749 | |||
745 | def __xattrs__(self, mode): |
|
750 | def __xattrs__(self, mode): | |
746 | return ("name", "passwd", "gid", "mem") |
|
751 | return ("name", "passwd", "gid", "mem") | |
747 |
|
752 | |||
748 | def __xrepr__(self, mode): |
|
753 | def __xrepr__(self, mode): | |
749 | if mode == "header" or mode == "footer": |
|
754 | if mode == "header" or mode == "footer": | |
750 | return "group %s" % self.name |
|
755 | return "group %s" % self.name | |
751 | return repr(self) |
|
756 | return repr(self) | |
752 |
|
757 | |||
753 | def __xiter__(self, mode): |
|
758 | def __xiter__(self, mode): | |
754 | for member in self.mem: |
|
759 | for member in self.mem: | |
755 | yield ipwdentry(member) |
|
760 | yield ipwdentry(member) | |
756 |
|
761 | |||
757 | def __repr__(self): |
|
762 | def __repr__(self): | |
758 | return "%s.%s(%r)" % \ |
|
763 | return "%s.%s(%r)" % \ | |
759 | (self.__class__.__module__, self.__class__.__name__, self._id) |
|
764 | (self.__class__.__module__, self.__class__.__name__, self._id) | |
760 |
|
765 | |||
761 |
|
766 | |||
762 | class igrp(Table): |
|
767 | class igrp(Table): | |
763 | def __xiter__(self, mode): |
|
768 | def __xiter__(self, mode): | |
764 | for entry in grp.getgrall(): |
|
769 | for entry in grp.getgrall(): | |
765 | yield igrpentry(entry.gr_name) |
|
770 | yield igrpentry(entry.gr_name) | |
766 |
|
771 | |||
767 | def __xrepr__(self, mode): |
|
772 | def __xrepr__(self, mode): | |
768 | if mode == "header" or mode == "footer": |
|
773 | if mode == "header" or mode == "footer": | |
769 | return "%s()" % self.__class__.__name__ |
|
774 | return "%s()" % self.__class__.__name__ | |
770 | return repr(self) |
|
775 | return repr(self) | |
771 |
|
776 | |||
772 |
|
777 | |||
773 | class Fields(object): |
|
778 | class Fields(object): | |
774 | def __init__(self, fieldnames, **fields): |
|
779 | def __init__(self, fieldnames, **fields): | |
775 | self.__fieldnames = fieldnames |
|
780 | self.__fieldnames = fieldnames | |
776 | for (key, value) in fields.iteritems(): |
|
781 | for (key, value) in fields.iteritems(): | |
777 | setattr(self, key, value) |
|
782 | setattr(self, key, value) | |
778 |
|
783 | |||
779 | def __xattrs__(self, mode): |
|
784 | def __xattrs__(self, mode): | |
780 | return self.__fieldnames |
|
785 | return self.__fieldnames | |
781 |
|
786 | |||
782 | def __xrepr__(self, mode): |
|
787 | def __xrepr__(self, mode): | |
783 | if mode == "header" or mode == "footer": |
|
788 | if mode == "header" or mode == "footer": | |
784 | args = ["%s=%r" % (f, getattr(self, f)) for f in self.__fieldnames] |
|
789 | args = ["%s=%r" % (f, getattr(self, f)) for f in self.__fieldnames] | |
785 | return "%s(%r)" % (self.__class__.__name__, ", ".join(args)) |
|
790 | return "%s(%r)" % (self.__class__.__name__, ", ".join(args)) | |
786 | return repr(self) |
|
791 | return repr(self) | |
787 |
|
792 | |||
788 |
|
793 | |||
789 | class FieldTable(Table, list): |
|
794 | class FieldTable(Table, list): | |
790 | def __init__(self, *fields): |
|
795 | def __init__(self, *fields): | |
791 | ipipe.Table.__init__(self) |
|
796 | ipipe.Table.__init__(self) | |
792 | list.__init__(self) |
|
797 | list.__init__(self) | |
793 | self.fields = fields |
|
798 | self.fields = fields | |
794 |
|
799 | |||
795 | def add(self, **fields): |
|
800 | def add(self, **fields): | |
796 | self.append(Fields(self, **fields)) |
|
801 | self.append(Fields(self, **fields)) | |
797 |
|
802 | |||
798 | def __xiter__(self, mode): |
|
803 | def __xiter__(self, mode): | |
799 | return list.__iter__(self) |
|
804 | return list.__iter__(self) | |
800 |
|
805 | |||
801 | def __xrepr__(self, mode): |
|
806 | def __xrepr__(self, mode): | |
802 | if mode == "header" or mode == "footer": |
|
807 | if mode == "header" or mode == "footer": | |
803 | return "FieldTable(%r)" % ", ".join(map(repr, self.fields)) |
|
808 | return "FieldTable(%r)" % ", ".join(map(repr, self.fields)) | |
804 | return repr(self) |
|
809 | return repr(self) | |
805 |
|
810 | |||
806 | def __repr__(self): |
|
811 | def __repr__(self): | |
807 | return "<%s.%s object with fields=%r at 0x%x>" % \ |
|
812 | return "<%s.%s object with fields=%r at 0x%x>" % \ | |
808 | (self.__class__.__module__, self.__class__.__name__, |
|
813 | (self.__class__.__module__, self.__class__.__name__, | |
809 | ", ".join(map(repr, self.fields)), id(self)) |
|
814 | ", ".join(map(repr, self.fields)), id(self)) | |
810 |
|
815 | |||
811 |
|
816 | |||
812 | class ienv(Table): |
|
817 | class ienv(Table): | |
813 | def __xiter__(self, mode): |
|
818 | def __xiter__(self, mode): | |
814 | fields = ("key", "value") |
|
819 | fields = ("key", "value") | |
815 | for (key, value) in os.environ.iteritems(): |
|
820 | for (key, value) in os.environ.iteritems(): | |
816 | yield Fields(fields, key=key, value=value) |
|
821 | yield Fields(fields, key=key, value=value) | |
817 |
|
822 | |||
818 | def __xrepr__(self, mode): |
|
823 | def __xrepr__(self, mode): | |
819 | if mode == "header" or mode == "footer": |
|
824 | if mode == "header" or mode == "footer": | |
820 | return "%s()" % self.__class__.__name__ |
|
825 | return "%s()" % self.__class__.__name__ | |
821 | return repr(self) |
|
826 | return repr(self) | |
822 |
|
827 | |||
823 |
|
828 | |||
824 | class icsv(Pipe): |
|
829 | class icsv(Pipe): | |
825 | def __init__(self, **csvargs): |
|
830 | def __init__(self, **csvargs): | |
826 | self.csvargs = csvargs |
|
831 | self.csvargs = csvargs | |
827 |
|
832 | |||
828 | def __xiter__(self, mode): |
|
833 | def __xiter__(self, mode): | |
829 | input = self.input |
|
834 | input = self.input | |
830 | if isinstance(input, ifile): |
|
835 | if isinstance(input, ifile): | |
831 | input = input.open("rb") |
|
836 | input = input.open("rb") | |
832 | reader = csv.reader(input, **self.csvargs) |
|
837 | reader = csv.reader(input, **self.csvargs) | |
833 | for line in reader: |
|
838 | for line in reader: | |
834 | yield line |
|
839 | yield line | |
835 |
|
840 | |||
836 | def __xrepr__(self, mode): |
|
841 | def __xrepr__(self, mode): | |
837 | if mode == "header" or mode == "footer": |
|
842 | if mode == "header" or mode == "footer": | |
838 | input = getattr(self, "input", None) |
|
843 | input = getattr(self, "input", None) | |
839 | if input is not None: |
|
844 | if input is not None: | |
840 | prefix = "%s | " % xrepr(input, mode) |
|
845 | prefix = "%s | " % xrepr(input, mode) | |
841 | else: |
|
846 | else: | |
842 | prefix = "" |
|
847 | prefix = "" | |
843 | args = ", ".join(["%s=%r" % item for item in self.csvargs.iteritems()]) |
|
848 | args = ", ".join(["%s=%r" % item for item in self.csvargs.iteritems()]) | |
844 | return "%s%s(%s)" % (prefix, self.__class__.__name__, args) |
|
849 | return "%s%s(%s)" % (prefix, self.__class__.__name__, args) | |
845 | return repr(self) |
|
850 | return repr(self) | |
846 |
|
851 | |||
847 | def __repr__(self): |
|
852 | def __repr__(self): | |
848 | args = ", ".join(["%s=%r" % item for item in self.csvargs.iteritems()]) |
|
853 | args = ", ".join(["%s=%r" % item for item in self.csvargs.iteritems()]) | |
849 | return "<%s.%s %s at 0x%x>" % \ |
|
854 | return "<%s.%s %s at 0x%x>" % \ | |
850 | (self.__class__.__module__, self.__class__.__name__, args, id(self)) |
|
855 | (self.__class__.__module__, self.__class__.__name__, args, id(self)) | |
851 |
|
856 | |||
852 |
|
857 | |||
853 | class ix(Table): |
|
858 | class ix(Table): | |
854 | def __init__(self, cmd): |
|
859 | def __init__(self, cmd): | |
855 | self.cmd = cmd |
|
860 | self.cmd = cmd | |
856 | self._pipe = None |
|
861 | self._pipe = None | |
857 |
|
862 | |||
858 | def __xiter__(self, mode): |
|
863 | def __xiter__(self, mode): | |
859 | self._pipe = os.popen(self.cmd) |
|
864 | self._pipe = os.popen(self.cmd) | |
860 | for l in self._pipe: |
|
865 | for l in self._pipe: | |
861 | yield l.rstrip("\r\n") |
|
866 | yield l.rstrip("\r\n") | |
862 | self._pipe.close() |
|
867 | self._pipe.close() | |
863 | self._pipe = None |
|
868 | self._pipe = None | |
864 |
|
869 | |||
865 | def __del__(self): |
|
870 | def __del__(self): | |
866 | if self._pipe is not None and not self._pipe.closed: |
|
871 | if self._pipe is not None and not self._pipe.closed: | |
867 | self._pipe.close() |
|
872 | self._pipe.close() | |
868 | self._pipe = None |
|
873 | self._pipe = None | |
869 |
|
874 | |||
870 | def __xrepr__(self, mode): |
|
875 | def __xrepr__(self, mode): | |
871 | if mode == "header" or mode == "footer": |
|
876 | if mode == "header" or mode == "footer": | |
872 | return "%s(%r)" % (self.__class__.__name__, self.cmd) |
|
877 | return "%s(%r)" % (self.__class__.__name__, self.cmd) | |
873 | return repr(self) |
|
878 | return repr(self) | |
874 |
|
879 | |||
875 | def __repr__(self): |
|
880 | def __repr__(self): | |
876 | return "%s.%s(%r)" % \ |
|
881 | return "%s.%s(%r)" % \ | |
877 | (self.__class__.__module__, self.__class__.__name__, self.cmd) |
|
882 | (self.__class__.__module__, self.__class__.__name__, self.cmd) | |
878 |
|
883 | |||
879 |
|
884 | |||
880 | class ifilter(Pipe): |
|
885 | class ifilter(Pipe): | |
881 | def __init__(self, expr): |
|
886 | def __init__(self, expr): | |
882 | self.expr = expr |
|
887 | self.expr = expr | |
883 |
|
888 | |||
884 | def __xiter__(self, mode): |
|
889 | def __xiter__(self, mode): | |
885 | if callable(self.expr): |
|
890 | if callable(self.expr): | |
886 | for item in xiter(self.input, mode): |
|
891 | for item in xiter(self.input, mode): | |
887 | try: |
|
892 | try: | |
888 | if self.expr(item): |
|
893 | if self.expr(item): | |
889 | yield item |
|
894 | yield item | |
890 | except (KeyboardInterrupt, SystemExit): |
|
895 | except (KeyboardInterrupt, SystemExit): | |
891 | raise |
|
896 | raise | |
892 | except Exception: |
|
897 | except Exception: | |
893 | pass # Ignore errors |
|
898 | pass # Ignore errors | |
894 | else: |
|
899 | else: | |
895 | for item in xiter(self.input, mode): |
|
900 | for item in xiter(self.input, mode): | |
896 | try: |
|
901 | try: | |
897 | if eval(self.expr, globals(), _AttrNamespace(item)): |
|
902 | if eval(self.expr, globals(), _AttrNamespace(item)): | |
898 | yield item |
|
903 | yield item | |
899 | except (KeyboardInterrupt, SystemExit): |
|
904 | except (KeyboardInterrupt, SystemExit): | |
900 | raise |
|
905 | raise | |
901 | except Exception: |
|
906 | except Exception: | |
902 | pass # Ignore errors |
|
907 | pass # Ignore errors | |
903 |
|
908 | |||
904 | def __xrepr__(self, mode): |
|
909 | def __xrepr__(self, mode): | |
905 | if mode == "header" or mode == "footer": |
|
910 | if mode == "header" or mode == "footer": | |
906 | input = getattr(self, "input", None) |
|
911 | input = getattr(self, "input", None) | |
907 | if input is not None: |
|
912 | if input is not None: | |
908 | prefix = "%s | " % xrepr(input, mode) |
|
913 | prefix = "%s | " % xrepr(input, mode) | |
909 | else: |
|
914 | else: | |
910 | prefix = "" |
|
915 | prefix = "" | |
911 | return "%s%s(%s)"% \ |
|
916 | return "%s%s(%s)"% \ | |
912 | (prefix, self.__class__.__name__, xrepr(self.expr, mode)) |
|
917 | (prefix, self.__class__.__name__, xrepr(self.expr, mode)) | |
913 | return repr(self) |
|
918 | return repr(self) | |
914 |
|
919 | |||
915 | def __repr__(self): |
|
920 | def __repr__(self): | |
916 | return "<%s.%s expr=%r at 0x%x>" % \ |
|
921 | return "<%s.%s expr=%r at 0x%x>" % \ | |
917 | (self.__class__.__module__, self.__class__.__name__, |
|
922 | (self.__class__.__module__, self.__class__.__name__, | |
918 | self.expr, id(self)) |
|
923 | self.expr, id(self)) | |
919 |
|
924 | |||
920 |
|
925 | |||
921 | class ieval(Pipe): |
|
926 | class ieval(Pipe): | |
922 | def __init__(self, expr): |
|
927 | def __init__(self, expr): | |
923 | self.expr = expr |
|
928 | self.expr = expr | |
924 |
|
929 | |||
925 | def __xiter__(self, mode): |
|
930 | def __xiter__(self, mode): | |
926 | if callable(self.expr): |
|
931 | if callable(self.expr): | |
927 | for item in xiter(self.input, mode): |
|
932 | for item in xiter(self.input, mode): | |
928 | try: |
|
933 | try: | |
929 | yield self.expr(item) |
|
934 | yield self.expr(item) | |
930 | except (KeyboardInterrupt, SystemExit): |
|
935 | except (KeyboardInterrupt, SystemExit): | |
931 | raise |
|
936 | raise | |
932 | except Exception: |
|
937 | except Exception: | |
933 | pass # Ignore errors |
|
938 | pass # Ignore errors | |
934 | else: |
|
939 | else: | |
935 | for item in xiter(self.input, mode): |
|
940 | for item in xiter(self.input, mode): | |
936 | try: |
|
941 | try: | |
937 | yield eval(self.expr, globals(), _AttrNamespace(item)) |
|
942 | yield eval(self.expr, globals(), _AttrNamespace(item)) | |
938 | except (KeyboardInterrupt, SystemExit): |
|
943 | except (KeyboardInterrupt, SystemExit): | |
939 | raise |
|
944 | raise | |
940 | except Exception: |
|
945 | except Exception: | |
941 | pass # Ignore errors |
|
946 | pass # Ignore errors | |
942 |
|
947 | |||
943 | def __xrepr__(self, mode): |
|
948 | def __xrepr__(self, mode): | |
944 | if mode == "header" or mode == "footer": |
|
949 | if mode == "header" or mode == "footer": | |
945 | input = getattr(self, "input", None) |
|
950 | input = getattr(self, "input", None) | |
946 | if input is not None: |
|
951 | if input is not None: | |
947 | prefix = "%s | " % xrepr(input, mode) |
|
952 | prefix = "%s | " % xrepr(input, mode) | |
948 | else: |
|
953 | else: | |
949 | prefix = "" |
|
954 | prefix = "" | |
950 | return "%s%s(%s)" % \ |
|
955 | return "%s%s(%s)" % \ | |
951 | (prefix, self.__class__.__name__, xrepr(self.expr, mode)) |
|
956 | (prefix, self.__class__.__name__, xrepr(self.expr, mode)) | |
952 | return repr(self) |
|
957 | return repr(self) | |
953 |
|
958 | |||
954 | def __repr__(self): |
|
959 | def __repr__(self): | |
955 | return "<%s.%s expr=%r at 0x%x>" % \ |
|
960 | return "<%s.%s expr=%r at 0x%x>" % \ | |
956 | (self.__class__.__module__, self.__class__.__name__, |
|
961 | (self.__class__.__module__, self.__class__.__name__, | |
957 | self.expr, id(self)) |
|
962 | self.expr, id(self)) | |
958 |
|
963 | |||
959 |
|
964 | |||
960 | class ienum(Pipe): |
|
965 | class ienum(Pipe): | |
961 | def __xiter__(self, mode): |
|
966 | def __xiter__(self, mode): | |
962 | fields = ("index", "object") |
|
967 | fields = ("index", "object") | |
963 | for (index, object) in enumerate(xiter(self.input, mode)): |
|
968 | for (index, object) in enumerate(xiter(self.input, mode)): | |
964 | yield Fields(fields, index=index, object=object) |
|
969 | yield Fields(fields, index=index, object=object) | |
965 |
|
970 | |||
966 |
|
971 | |||
967 | class isort(Pipe): |
|
972 | class isort(Pipe): | |
968 | def __init__(self, key, reverse=False): |
|
973 | def __init__(self, key, reverse=False): | |
969 | self.key = key |
|
974 | self.key = key | |
970 | self.reverse = reverse |
|
975 | self.reverse = reverse | |
971 |
|
976 | |||
972 | def __xiter__(self, mode): |
|
977 | def __xiter__(self, mode): | |
973 | if callable(self.key): |
|
978 | if callable(self.key): | |
974 | items = sorted( |
|
979 | items = sorted( | |
975 | xiter(self.input, mode), |
|
980 | xiter(self.input, mode), | |
976 | key=self.key, |
|
981 | key=self.key, | |
977 | reverse=self.reverse |
|
982 | reverse=self.reverse | |
978 | ) |
|
983 | ) | |
979 | else: |
|
984 | else: | |
980 | def key(item): |
|
985 | def key(item): | |
981 | return eval(self.key, globals(), _AttrNamespace(item)) |
|
986 | return eval(self.key, globals(), _AttrNamespace(item)) | |
982 | items = sorted( |
|
987 | items = sorted( | |
983 | xiter(self.input, mode), |
|
988 | xiter(self.input, mode), | |
984 | key=key, |
|
989 | key=key, | |
985 | reverse=self.reverse |
|
990 | reverse=self.reverse | |
986 | ) |
|
991 | ) | |
987 | for item in items: |
|
992 | for item in items: | |
988 | yield item |
|
993 | yield item | |
989 |
|
994 | |||
990 | def __xrepr__(self, mode): |
|
995 | def __xrepr__(self, mode): | |
991 | if mode == "header" or mode == "footer": |
|
996 | if mode == "header" or mode == "footer": | |
992 | input = getattr(self, "input", None) |
|
997 | input = getattr(self, "input", None) | |
993 | if input is not None: |
|
998 | if input is not None: | |
994 | prefix = "%s | " % xrepr(input, mode) |
|
999 | prefix = "%s | " % xrepr(input, mode) | |
995 | else: |
|
1000 | else: | |
996 | prefix = "" |
|
1001 | prefix = "" | |
997 | if self.reverse: |
|
1002 | if self.reverse: | |
998 | return "%s%s(%r, %r)" % \ |
|
1003 | return "%s%s(%r, %r)" % \ | |
999 | (prefix, self.__class__.__name__, self.key, self.reverse) |
|
1004 | (prefix, self.__class__.__name__, self.key, self.reverse) | |
1000 | else: |
|
1005 | else: | |
1001 | return "%s%s(%r)" % (prefix, self.__class__.__name__, self.key) |
|
1006 | return "%s%s(%r)" % (prefix, self.__class__.__name__, self.key) | |
1002 | return repr(self) |
|
1007 | return repr(self) | |
1003 |
|
1008 | |||
1004 | def __repr__(self): |
|
1009 | def __repr__(self): | |
1005 | return "<%s.%s key=%r reverse=%r at 0x%x>" % \ |
|
1010 | return "<%s.%s key=%r reverse=%r at 0x%x>" % \ | |
1006 | (self.__class__.__module__, self.__class__.__name__, |
|
1011 | (self.__class__.__module__, self.__class__.__name__, | |
1007 | self.key, self.reverse, id(self)) |
|
1012 | self.key, self.reverse, id(self)) | |
1008 |
|
1013 | |||
1009 |
|
1014 | |||
1010 | tab = 3 # for expandtabs() |
|
1015 | tab = 3 # for expandtabs() | |
1011 |
|
1016 | |||
1012 | def _format(field): |
|
1017 | def _format(field): | |
1013 | if isinstance(field, str): |
|
1018 | if isinstance(field, str): | |
1014 | text = repr(field.expandtabs(tab))[1:-1] |
|
1019 | text = repr(field.expandtabs(tab))[1:-1] | |
1015 | elif isinstance(field, unicode): |
|
1020 | elif isinstance(field, unicode): | |
1016 | text = repr(field.expandtabs(tab))[2:-1] |
|
1021 | text = repr(field.expandtabs(tab))[2:-1] | |
1017 | elif isinstance(field, datetime.datetime): |
|
1022 | elif isinstance(field, datetime.datetime): | |
1018 | # Don't use strftime() here, as this requires year >= 1900 |
|
1023 | # Don't use strftime() here, as this requires year >= 1900 | |
1019 | text = "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ |
|
1024 | text = "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ | |
1020 | (field.year, field.month, field.day, |
|
1025 | (field.year, field.month, field.day, | |
1021 | field.hour, field.minute, field.second, field.microsecond) |
|
1026 | field.hour, field.minute, field.second, field.microsecond) | |
1022 | elif isinstance(field, datetime.date): |
|
1027 | elif isinstance(field, datetime.date): | |
1023 | text = "%04d-%02d-%02d" % (field.year, field.month, field.day) |
|
1028 | text = "%04d-%02d-%02d" % (field.year, field.month, field.day) | |
1024 | else: |
|
1029 | else: | |
1025 | text = repr(field) |
|
1030 | text = repr(field) | |
1026 | return text |
|
1031 | return text | |
1027 |
|
1032 | |||
1028 |
|
1033 | |||
1029 | class Display(object): |
|
1034 | class Display(object): | |
1030 | class __metaclass__(type): |
|
1035 | class __metaclass__(type): | |
1031 | def __ror__(self, input): |
|
1036 | def __ror__(self, input): | |
1032 | return input | self() |
|
1037 | return input | self() | |
1033 |
|
1038 | |||
1034 | def __ror__(self, input): |
|
1039 | def __ror__(self, input): | |
1035 | self.input = input |
|
1040 | self.input = input | |
1036 | return self |
|
1041 | return self | |
1037 |
|
1042 | |||
1038 | def display(self): |
|
1043 | def display(self): | |
1039 | pass |
|
1044 | pass | |
1040 |
|
1045 | |||
1041 |
|
1046 | |||
1042 | class iless(Display): |
|
1047 | class iless(Display): | |
1043 | cmd = "less --quit-if-one-screen --LONG-PROMPT --LINE-NUMBERS --chop-long-lines --shift=8 --RAW-CONTROL-CHARS" |
|
1048 | cmd = "less --quit-if-one-screen --LONG-PROMPT --LINE-NUMBERS --chop-long-lines --shift=8 --RAW-CONTROL-CHARS" | |
1044 |
|
1049 | |||
1045 | def display(self): |
|
1050 | def display(self): | |
1046 | try: |
|
1051 | try: | |
1047 | pager = os.popen(self.cmd, "w") |
|
1052 | pager = os.popen(self.cmd, "w") | |
1048 | try: |
|
1053 | try: | |
1049 | for item in xiter(self.input, "default"): |
|
1054 | for item in xiter(self.input, "default"): | |
1050 | attrs = xattrs(item, "default") |
|
1055 | attrs = xattrs(item, "default") | |
1051 | attrs = ["%s=%s" % (a, _format(_getattr(item, a))) for a in attrs] |
|
1056 | attrs = ["%s=%s" % (a, _format(_getattr(item, a))) for a in attrs] | |
1052 | pager.write(" ".join(attrs)) |
|
1057 | pager.write(" ".join(attrs)) | |
1053 | pager.write("\n") |
|
1058 | pager.write("\n") | |
1054 | finally: |
|
1059 | finally: | |
1055 | pager.close() |
|
1060 | pager.close() | |
1056 | except Exception, exc: |
|
1061 | except Exception, exc: | |
1057 | print "%s: %s" % (exc.__class__.__name__, str(exc)) |
|
1062 | print "%s: %s" % (exc.__class__.__name__, str(exc)) | |
1058 |
|
1063 | |||
1059 |
|
1064 | |||
1060 | class idump(Display): |
|
1065 | class idump(Display): | |
1061 | def __init__(self, *attrs): |
|
1066 | def __init__(self, *attrs): | |
1062 | self.attrs = attrs |
|
1067 | self.attrs = attrs | |
1063 | self.headerpadchar = " " |
|
1068 | self.headerpadchar = " " | |
1064 | self.headersepchar = "|" |
|
1069 | self.headersepchar = "|" | |
1065 | self.datapadchar = " " |
|
1070 | self.datapadchar = " " | |
1066 | self.datasepchar = "|" |
|
1071 | self.datasepchar = "|" | |
1067 |
|
1072 | |||
1068 | def display(self): |
|
1073 | def display(self): | |
1069 | stream = sys.stdout |
|
1074 | stream = sys.stdout | |
1070 | if self.attrs: |
|
1075 | if self.attrs: | |
1071 | rows = [] |
|
1076 | rows = [] | |
1072 | colwidths = dict([(a, len(_attrname(a))) for a in self.attrs]) |
|
1077 | colwidths = dict([(a, len(_attrname(a))) for a in self.attrs]) | |
1073 |
|
1078 | |||
1074 | for item in xiter(self.input, "default"): |
|
1079 | for item in xiter(self.input, "default"): | |
1075 | row = {} |
|
1080 | row = {} | |
1076 | for attrname in self.attrs: |
|
1081 | for attrname in self.attrs: | |
1077 | value = _getattr(item, attrname, None) |
|
1082 | value = _getattr(item, attrname, None) | |
1078 | text = _format(value) |
|
1083 | text = _format(value) | |
1079 | colwidths[attrname] = max(colwidths[attrname], width) |
|
1084 | colwidths[attrname] = max(colwidths[attrname], width) | |
1080 | row[attrname] = (value, text) |
|
1085 | row[attrname] = (value, text) | |
1081 | rows.append(row) |
|
1086 | rows.append(row) | |
1082 |
|
1087 | |||
1083 | for (i, attrname) in enumerate(self.attrs): |
|
1088 | for (i, attrname) in enumerate(self.attrs): | |
1084 | stream.write(_attrname(attrname)) |
|
1089 | stream.write(_attrname(attrname)) | |
1085 | spc = colwidths[attrname] - len(_attrname(attrname)) |
|
1090 | spc = colwidths[attrname] - len(_attrname(attrname)) | |
1086 | if i < len(colwidths)-1: |
|
1091 | if i < len(colwidths)-1: | |
1087 | if spc>0: |
|
1092 | if spc>0: | |
1088 | stream.write(self.headerpadchar * spc) |
|
1093 | stream.write(self.headerpadchar * spc) | |
1089 | stream.write(self.headersepchar) |
|
1094 | stream.write(self.headersepchar) | |
1090 | stream.write("\n") |
|
1095 | stream.write("\n") | |
1091 |
|
1096 | |||
1092 | for row in rows: |
|
1097 | for row in rows: | |
1093 | for (i, attrname) in enumerate(self.attrs): |
|
1098 | for (i, attrname) in enumerate(self.attrs): | |
1094 | (value, text) = row[attrname] |
|
1099 | (value, text) = row[attrname] | |
1095 | spc = colwidths[attrname] - len(text) |
|
1100 | spc = colwidths[attrname] - len(text) | |
1096 | if isinstance(value, (int, long)): |
|
1101 | if isinstance(value, (int, long)): | |
1097 | if spc>0: |
|
1102 | if spc>0: | |
1098 | stream.write(self.datapadchar*spc) |
|
1103 | stream.write(self.datapadchar*spc) | |
1099 | stream.write(text) |
|
1104 | stream.write(text) | |
1100 | else: |
|
1105 | else: | |
1101 | stream.write(text) |
|
1106 | stream.write(text) | |
1102 | if i < len(colwidths)-1: |
|
1107 | if i < len(colwidths)-1: | |
1103 | if spc>0: |
|
1108 | if spc>0: | |
1104 | stream.write(self.datapadchar*spc) |
|
1109 | stream.write(self.datapadchar*spc) | |
1105 | if i < len(colwidths)-1: |
|
1110 | if i < len(colwidths)-1: | |
1106 | stream.write(self.datasepchar) |
|
1111 | stream.write(self.datasepchar) | |
1107 | stream.write("\n") |
|
1112 | stream.write("\n") | |
1108 | else: |
|
1113 | else: | |
1109 | allattrs = [] |
|
1114 | allattrs = [] | |
1110 | allattrset = set() |
|
1115 | allattrset = set() | |
1111 | colwidths = {} |
|
1116 | colwidths = {} | |
1112 | rows = [] |
|
1117 | rows = [] | |
1113 | for item in xiter(self.input, "default"): |
|
1118 | for item in xiter(self.input, "default"): | |
1114 | row = {} |
|
1119 | row = {} | |
1115 | attrs = xattrs(item, "default") |
|
1120 | attrs = xattrs(item, "default") | |
1116 | for attrname in attrs: |
|
1121 | for attrname in attrs: | |
1117 | if attrname not in allattrset: |
|
1122 | if attrname not in allattrset: | |
1118 | allattrs.append(attrname) |
|
1123 | allattrs.append(attrname) | |
1119 | allattrset.add(attrname) |
|
1124 | allattrset.add(attrname) | |
1120 | colwidths[attrname] = len(_attrname(attrname)) |
|
1125 | colwidths[attrname] = len(_attrname(attrname)) | |
1121 | value = _getattr(item, attrname, None) |
|
1126 | value = _getattr(item, attrname, None) | |
1122 | text = _format(value) |
|
1127 | text = _format(value) | |
1123 | colwidths[attrname] = max(colwidths[attrname], len(text)) |
|
1128 | colwidths[attrname] = max(colwidths[attrname], len(text)) | |
1124 | row[attrname] = (value, text) |
|
1129 | row[attrname] = (value, text) | |
1125 | rows.append(row) |
|
1130 | rows.append(row) | |
1126 |
|
1131 | |||
1127 | for (i, attrname) in enumerate(allattrs): |
|
1132 | for (i, attrname) in enumerate(allattrs): | |
1128 | stream.write(_attrname(attrname)) |
|
1133 | stream.write(_attrname(attrname)) | |
1129 | spc = colwidths[attrname] - len(_attrname(attrname)) |
|
1134 | spc = colwidths[attrname] - len(_attrname(attrname)) | |
1130 | if i < len(colwidths)-1: |
|
1135 | if i < len(colwidths)-1: | |
1131 | if spc>0: |
|
1136 | if spc>0: | |
1132 | stream.write(self.headerpadchar*spc) |
|
1137 | stream.write(self.headerpadchar*spc) | |
1133 | stream.write(self.headersepchar) |
|
1138 | stream.write(self.headersepchar) | |
1134 | stream.write("\n") |
|
1139 | stream.write("\n") | |
1135 |
|
1140 | |||
1136 | for row in rows: |
|
1141 | for row in rows: | |
1137 | for (i, attrname) in enumerate(attrs): |
|
1142 | for (i, attrname) in enumerate(attrs): | |
1138 | (value, text) = row.get(attrname, ("", "")) |
|
1143 | (value, text) = row.get(attrname, ("", "")) | |
1139 | spc = colwidths[attrname] - len(text) |
|
1144 | spc = colwidths[attrname] - len(text) | |
1140 | if isinstance(value, (int, long)): |
|
1145 | if isinstance(value, (int, long)): | |
1141 | if spc>0: |
|
1146 | if spc>0: | |
1142 | stream.write(self.datapadchar*spc) |
|
1147 | stream.write(self.datapadchar*spc) | |
1143 | stream.write(text) |
|
1148 | stream.write(text) | |
1144 | else: |
|
1149 | else: | |
1145 | stream.write(text) |
|
1150 | stream.write(text) | |
1146 | if i < len(colwidths)-1: |
|
1151 | if i < len(colwidths)-1: | |
1147 | if spc>0: |
|
1152 | if spc>0: | |
1148 | stream.write(self.datapadchar*spc) |
|
1153 | stream.write(self.datapadchar*spc) | |
1149 | if i < len(colwidths)-1: |
|
1154 | if i < len(colwidths)-1: | |
1150 | stream.write(self.datasepchar) |
|
1155 | stream.write(self.datasepchar) | |
1151 | stream.write("\n") |
|
1156 | stream.write("\n") | |
1152 |
|
1157 | |||
1153 |
|
1158 | |||
1154 | class XMode(object): |
|
1159 | class XMode(object): | |
1155 | def __init__(self, object, mode, title=None, description=None): |
|
1160 | def __init__(self, object, mode, title=None, description=None): | |
1156 | self.object = object |
|
1161 | self.object = object | |
1157 | self.mode = mode |
|
1162 | self.mode = mode | |
1158 | self.title = title |
|
1163 | self.title = title | |
1159 | self.description = description |
|
1164 | self.description = description | |
1160 |
|
1165 | |||
1161 | def __repr__(self): |
|
1166 | def __repr__(self): | |
1162 | return "<%s.%s object mode=%r at 0x%x>" % \ |
|
1167 | return "<%s.%s object mode=%r at 0x%x>" % \ | |
1163 | (self.__class__.__module__, self.__class__.__name__, |
|
1168 | (self.__class__.__module__, self.__class__.__name__, | |
1164 | self.mode, id(self)) |
|
1169 | self.mode, id(self)) | |
1165 |
|
1170 | |||
1166 | def __xrepr__(self, mode): |
|
1171 | def __xrepr__(self, mode): | |
1167 | if mode == "header" or mode == "footer": |
|
1172 | if mode == "header" or mode == "footer": | |
1168 | return self.title |
|
1173 | return self.title | |
1169 | return repr(self) |
|
1174 | return repr(self) | |
1170 |
|
1175 | |||
1171 | def __xattrs__(self, mode): |
|
1176 | def __xattrs__(self, mode): | |
1172 | if mode == "detail": |
|
1177 | if mode == "detail": | |
1173 | return ("object", "mode", "title", "description") |
|
1178 | return ("object", "mode", "title", "description") | |
1174 | return ("title", "description") |
|
1179 | return ("title", "description") | |
1175 |
|
1180 | |||
1176 | def __xiter__(self, mode): |
|
1181 | def __xiter__(self, mode): | |
1177 | return xiter(self.object, self.mode) |
|
1182 | return xiter(self.object, self.mode) | |
1178 |
|
1183 | |||
1179 |
|
1184 | |||
1180 | class XAttr(object): |
|
1185 | class XAttr(object): | |
1181 | def __init__(self, object, name): |
|
1186 | def __init__(self, object, name): | |
1182 | self.name = _attrname(name) |
|
1187 | self.name = _attrname(name) | |
1183 |
|
1188 | |||
1184 | try: |
|
1189 | try: | |
1185 | self.value = _getattr(object, name) |
|
1190 | self.value = _getattr(object, name) | |
1186 | except (KeyboardInterrupt, SystemExit): |
|
1191 | except (KeyboardInterrupt, SystemExit): | |
1187 | raise |
|
1192 | raise | |
1188 | except Exception, exc: |
|
1193 | except Exception, exc: | |
1189 | if exc.__class__.__module__ == "exceptions": |
|
1194 | if exc.__class__.__module__ == "exceptions": | |
1190 | self.value = exc.__class__.__name__ |
|
1195 | self.value = exc.__class__.__name__ | |
1191 | else: |
|
1196 | else: | |
1192 | self.value = "%s.%s" % \ |
|
1197 | self.value = "%s.%s" % \ | |
1193 | (exc.__class__.__module__, exc.__class__.__name__) |
|
1198 | (exc.__class__.__module__, exc.__class__.__name__) | |
1194 | self.type = self.value |
|
1199 | self.type = self.value | |
1195 | else: |
|
1200 | else: | |
1196 | t = type(self.value) |
|
1201 | t = type(self.value) | |
1197 | if t.__module__ == "__builtin__": |
|
1202 | if t.__module__ == "__builtin__": | |
1198 | self.type = t.__name__ |
|
1203 | self.type = t.__name__ | |
1199 | else: |
|
1204 | else: | |
1200 | self.type = "%s.%s" % (t.__module__, t.__name__) |
|
1205 | self.type = "%s.%s" % (t.__module__, t.__name__) | |
1201 |
|
1206 | |||
1202 | doc = None |
|
1207 | doc = None | |
1203 | if isinstance(name, basestring): |
|
1208 | if isinstance(name, basestring): | |
1204 | try: |
|
1209 | try: | |
1205 | meta = getattr(type(object), name) |
|
1210 | meta = getattr(type(object), name) | |
1206 | except AttributeError: |
|
1211 | except AttributeError: | |
1207 | pass |
|
1212 | pass | |
1208 | else: |
|
1213 | else: | |
1209 | if isinstance(meta, property): |
|
1214 | if isinstance(meta, property): | |
1210 | self.doc = getattr(meta, "__doc__", None) |
|
1215 | self.doc = getattr(meta, "__doc__", None) | |
1211 | elif callable(name): |
|
1216 | elif callable(name): | |
1212 | try: |
|
1217 | try: | |
1213 | self.doc = name.__doc__ |
|
1218 | self.doc = name.__doc__ | |
1214 | except AttributeError: |
|
1219 | except AttributeError: | |
1215 | pass |
|
1220 | pass | |
1216 |
|
1221 | |||
1217 | def __xattrs__(self, mode): |
|
1222 | def __xattrs__(self, mode): | |
1218 | return ("name", "type", "doc", "value") |
|
1223 | return ("name", "type", "doc", "value") | |
1219 |
|
1224 | |||
1220 |
|
1225 | |||
1221 | _ibrowse_help = """ |
|
1226 | _ibrowse_help = """ | |
1222 | down |
|
1227 | down | |
1223 | Move the cursor to the next line. |
|
1228 | Move the cursor to the next line. | |
1224 |
|
1229 | |||
1225 | up |
|
1230 | up | |
1226 | Move the cursor to the previous line. |
|
1231 | Move the cursor to the previous line. | |
1227 |
|
1232 | |||
1228 | pagedown |
|
1233 | pagedown | |
1229 | Move the cursor down one page (minus overlap). |
|
1234 | Move the cursor down one page (minus overlap). | |
1230 |
|
1235 | |||
1231 | pageup |
|
1236 | pageup | |
1232 | Move the cursor up one page. |
|
1237 | Move the cursor up one page. | |
1233 |
|
1238 | |||
1234 | left |
|
1239 | left | |
1235 | Move the cursor left. |
|
1240 | Move the cursor left. | |
1236 |
|
1241 | |||
1237 | right |
|
1242 | right | |
1238 | Move the cursor right. |
|
1243 | Move the cursor right. | |
1239 |
|
1244 | |||
1240 | home |
|
1245 | home | |
1241 | Move the cursor to the first column. |
|
1246 | Move the cursor to the first column. | |
1242 |
|
1247 | |||
1243 | end |
|
1248 | end | |
1244 | Move the cursor to the last column. |
|
1249 | Move the cursor to the last column. | |
1245 |
|
1250 | |||
1246 | pick |
|
1251 | pick | |
1247 | 'Pick' the object under the cursor (i.e. the row the cursor is on). This leaves |
|
1252 | 'Pick' the object under the cursor (i.e. the row the cursor is on). This leaves | |
1248 | the browser and returns the picked object to the caller. (In IPython this object |
|
1253 | the browser and returns the picked object to the caller. (In IPython this object | |
1249 | will be available as the '_' variable.) |
|
1254 | will be available as the '_' variable.) | |
1250 |
|
1255 | |||
1251 | pickattr |
|
1256 | pickattr | |
1252 | 'Pick' the attribute under the cursor (i.e. the row/column the cursor is on). |
|
1257 | 'Pick' the attribute under the cursor (i.e. the row/column the cursor is on). | |
1253 |
|
1258 | |||
1254 | pickallattrs |
|
1259 | pickallattrs | |
1255 | Pick' the complete column under the cursor (i.e. the attribute under the cursor |
|
1260 | Pick' the complete column under the cursor (i.e. the attribute under the cursor | |
1256 | from all currently fetched objects). The attributes will be returned as a list. |
|
1261 | from all currently fetched objects). The attributes will be returned as a list. | |
1257 |
|
1262 | |||
1258 | tooglemark |
|
1263 | tooglemark | |
1259 | Mark/unmark the object under the cursor. Marked objects have a '!' after the |
|
1264 | Mark/unmark the object under the cursor. Marked objects have a '!' after the | |
1260 | row number). |
|
1265 | row number). | |
1261 |
|
1266 | |||
1262 | pickmarked |
|
1267 | pickmarked | |
1263 | 'Pick' marked objects. Marked objects will be returned as a list. |
|
1268 | 'Pick' marked objects. Marked objects will be returned as a list. | |
1264 |
|
1269 | |||
1265 | pickmarkedattr |
|
1270 | pickmarkedattr | |
1266 | 'Pick' the attribute under the cursor from all marked objects (This returns a |
|
1271 | 'Pick' the attribute under the cursor from all marked objects (This returns a | |
1267 | list) |
|
1272 | list) | |
1268 |
|
1273 | |||
1269 | enterdefault |
|
1274 | enterdefault | |
1270 | Enter the object under the cursor. (what this mean depends on the object |
|
1275 | Enter the object under the cursor. (what this mean depends on the object | |
1271 | itself). This opens a new browser 'level'. |
|
1276 | itself). This opens a new browser 'level'. | |
1272 |
|
1277 | |||
1273 | enter |
|
1278 | enter | |
1274 | Enter the object under the cursor. If the object provides different enter modes |
|
1279 | Enter the object under the cursor. If the object provides different enter modes | |
1275 | a menu of all modes will be presented, choice one and enter it (via the 'enter' |
|
1280 | a menu of all modes will be presented, choice one and enter it (via the 'enter' | |
1276 | or 'enterdefault' command), |
|
1281 | or 'enterdefault' command), | |
1277 |
|
1282 | |||
1278 | enterattr |
|
1283 | enterattr | |
1279 | Enter the attribute under the cursor. |
|
1284 | Enter the attribute under the cursor. | |
1280 |
|
1285 | |||
1281 | leave |
|
1286 | leave | |
1282 | Leave the current browser level and go back to the previous one. |
|
1287 | Leave the current browser level and go back to the previous one. | |
1283 |
|
1288 | |||
1284 | detail |
|
1289 | detail | |
1285 | Show a detail view of the object under the cursor. This shows the name, type, |
|
1290 | Show a detail view of the object under the cursor. This shows the name, type, | |
1286 | doc string and value of the object attributes (and it might show more attributes |
|
1291 | doc string and value of the object attributes (and it might show more attributes | |
1287 | than in the list view; depending on the object). |
|
1292 | than in the list view; depending on the object). | |
1288 |
|
1293 | |||
1289 | markrange |
|
1294 | markrange | |
1290 | Mark all objects from the last marked object before the current cursor position |
|
1295 | Mark all objects from the last marked object before the current cursor position | |
1291 | to the cursor position. |
|
1296 | to the cursor position. | |
1292 |
|
1297 | |||
1293 | sortattrasc |
|
1298 | sortattrasc | |
1294 | Sort the objects (in ascending order) using the attribute under the cursor as |
|
1299 | Sort the objects (in ascending order) using the attribute under the cursor as | |
1295 | the sort key. |
|
1300 | the sort key. | |
1296 |
|
1301 | |||
1297 | sortattrdesc |
|
1302 | sortattrdesc | |
1298 | Sort the objects (in descending order) using the attribute under the cursor as |
|
1303 | Sort the objects (in descending order) using the attribute under the cursor as | |
1299 | the sort key. |
|
1304 | the sort key. | |
1300 |
|
1305 | |||
1301 | help |
|
1306 | help | |
1302 | This screen. |
|
1307 | This screen. | |
1303 | """ |
|
1308 | """ | |
1304 |
|
1309 | |||
1305 |
|
1310 | |||
1306 | if curses is not None: |
|
1311 | if curses is not None: | |
1307 | class UnassignedKeyError(Exception): |
|
1312 | class UnassignedKeyError(Exception): | |
1308 | pass |
|
1313 | pass | |
1309 |
|
1314 | |||
1310 |
|
1315 | |||
1311 | class UnknownCommandError(Exception): |
|
1316 | class UnknownCommandError(Exception): | |
1312 | pass |
|
1317 | pass | |
1313 |
|
1318 | |||
1314 |
|
1319 | |||
1315 | class CommandError(Exception): |
|
1320 | class CommandError(Exception): | |
1316 | pass |
|
1321 | pass | |
1317 |
|
1322 | |||
1318 |
|
1323 | |||
1319 | class Style(object): |
|
1324 | class Style(object): | |
1320 | __slots__ = ("fg", "bg", "attrs") |
|
1325 | __slots__ = ("fg", "bg", "attrs") | |
1321 |
|
1326 | |||
1322 | def __init__(self, fg, bg, attrs=0): |
|
1327 | def __init__(self, fg, bg, attrs=0): | |
1323 | self.fg = fg |
|
1328 | self.fg = fg | |
1324 | self.bg = bg |
|
1329 | self.bg = bg | |
1325 | self.attrs = attrs |
|
1330 | self.attrs = attrs | |
1326 |
|
1331 | |||
1327 |
|
1332 | |||
1328 | class _BrowserCachedItem(object): |
|
1333 | class _BrowserCachedItem(object): | |
1329 | __slots__ = ("item", "marked") |
|
1334 | __slots__ = ("item", "marked") | |
1330 |
|
1335 | |||
1331 | def __init__(self, item): |
|
1336 | def __init__(self, item): | |
1332 | self.item = item |
|
1337 | self.item = item | |
1333 | self.marked = False |
|
1338 | self.marked = False | |
1334 |
|
1339 | |||
1335 |
|
1340 | |||
1336 | class _BrowserHelp(object): |
|
1341 | class _BrowserHelp(object): | |
1337 | def __init__(self, browser): |
|
1342 | def __init__(self, browser): | |
1338 | self.browser = browser |
|
1343 | self.browser = browser | |
1339 |
|
1344 | |||
1340 | def __xrepr__(self, mode): |
|
1345 | def __xrepr__(self, mode): | |
1341 | if mode == "header" or mode == "footer": |
|
1346 | if mode == "header" or mode == "footer": | |
1342 | return "ibrowse help screen" |
|
1347 | return "ibrowse help screen" | |
1343 | return repr(self) |
|
1348 | return repr(self) | |
1344 |
|
1349 | |||
1345 | def __xiter__(self, mode): |
|
1350 | def __xiter__(self, mode): | |
1346 | # Get reverse key mapping |
|
1351 | # Get reverse key mapping | |
1347 | allkeys = {} |
|
1352 | allkeys = {} | |
1348 | for (key, cmd) in self.browser.keymap.iteritems(): |
|
1353 | for (key, cmd) in self.browser.keymap.iteritems(): | |
1349 | allkeys.setdefault(cmd, []).append(key) |
|
1354 | allkeys.setdefault(cmd, []).append(key) | |
1350 |
|
1355 | |||
1351 | fields = ("key", "command", "description") |
|
1356 | fields = ("key", "command", "description") | |
1352 |
|
1357 | |||
1353 | for (i, command) in enumerate(_ibrowse_help.strip().split("\n\n")): |
|
1358 | for (i, command) in enumerate(_ibrowse_help.strip().split("\n\n")): | |
1354 | if i: |
|
1359 | if i: | |
1355 | yield Fields(fields, key="", command="", description="") |
|
1360 | yield Fields(fields, key="", command="", description="") | |
1356 |
|
1361 | |||
1357 | (name, description) = command.split("\n", 1) |
|
1362 | (name, description) = command.split("\n", 1) | |
1358 | keys = allkeys.get(name, []) |
|
1363 | keys = allkeys.get(name, []) | |
1359 | lines = textwrap.wrap(description, 50) |
|
1364 | lines = textwrap.wrap(description, 50) | |
1360 |
|
1365 | |||
1361 | for i in xrange(max(len(keys), len(lines))): |
|
1366 | for i in xrange(max(len(keys), len(lines))): | |
1362 | if i: |
|
1367 | if i: | |
1363 | name = "" |
|
1368 | name = "" | |
1364 | try: |
|
1369 | try: | |
1365 | key = self.browser.keylabel(keys[i]) |
|
1370 | key = self.browser.keylabel(keys[i]) | |
1366 | except IndexError: |
|
1371 | except IndexError: | |
1367 | key = "" |
|
1372 | key = "" | |
1368 | try: |
|
1373 | try: | |
1369 | line = lines[i] |
|
1374 | line = lines[i] | |
1370 | except IndexError: |
|
1375 | except IndexError: | |
1371 | line = "" |
|
1376 | line = "" | |
1372 | yield Fields(fields, key=key, command=name, description=line) |
|
1377 | yield Fields(fields, key=key, command=name, description=line) | |
1373 |
|
1378 | |||
1374 |
|
1379 | |||
1375 | class _BrowserLevel(object): |
|
1380 | class _BrowserLevel(object): | |
1376 | def __init__(self, browser, input, iterator, mainsizey, *attrs): |
|
1381 | def __init__(self, browser, input, iterator, mainsizey, *attrs): | |
1377 | self.browser = browser |
|
1382 | self.browser = browser | |
1378 | self.input = input |
|
1383 | self.input = input | |
1379 | self.header = xrepr(input, "header") |
|
1384 | self.header = xrepr(input, "header") | |
1380 | self.iterator = iterator # iterator for the input |
|
1385 | self.iterator = iterator # iterator for the input | |
1381 | self.exhausted = False # is the iterator exhausted? |
|
1386 | self.exhausted = False # is the iterator exhausted? | |
1382 | self.attrs = attrs |
|
1387 | self.attrs = attrs | |
1383 | self.items = deque() |
|
1388 | self.items = deque() | |
1384 | self.marked = 0 # Number of marked objects |
|
1389 | self.marked = 0 # Number of marked objects | |
1385 | self.cury = 0 # Vertical cursor position |
|
1390 | self.cury = 0 # Vertical cursor position | |
1386 | self.curx = 0 # Horizontal cursor position |
|
1391 | self.curx = 0 # Horizontal cursor position | |
1387 | self.datastarty = 0 # Index of first data line |
|
1392 | self.datastarty = 0 # Index of first data line | |
1388 | self.datastartx = 0 # Index of first data column |
|
1393 | self.datastartx = 0 # Index of first data column | |
1389 | self.mainsizey = mainsizey # height of the data display area |
|
1394 | self.mainsizey = mainsizey # height of the data display area | |
1390 | self.mainsizex = 0 # width of the data display area |
|
1395 | self.mainsizex = 0 # width of the data display area | |
1391 | self.numbersizex = 0 # Size of number at the left edge of the screen |
|
1396 | self.numbersizex = 0 # Size of number at the left edge of the screen | |
1392 | self.displayattrs = [] # Attribute names to display (in this order) |
|
1397 | self.displayattrs = [] # Attribute names to display (in this order) | |
1393 | self.displayattr = _default # Name of attribute under the cursor |
|
1398 | self.displayattr = _default # Name of attribute under the cursor | |
1394 | self.colwidths = {} # Maps attribute names to column widths |
|
1399 | self.colwidths = {} # Maps attribute names to column widths | |
1395 |
|
1400 | |||
1396 | self.fetch(mainsizey) |
|
1401 | self.fetch(mainsizey) | |
1397 | self.calcdisplayattrs() |
|
1402 | self.calcdisplayattrs() | |
1398 | # formatted attributes for the items on screen |
|
1403 | # formatted attributes for the items on screen | |
1399 | # (i.e. self.items[self.datastarty:self.datastarty+self.mainsizey]) |
|
1404 | # (i.e. self.items[self.datastarty:self.datastarty+self.mainsizey]) | |
1400 | self.displayrows = [self.getrow(i) for i in xrange(len(self.items))] |
|
1405 | self.displayrows = [self.getrow(i) for i in xrange(len(self.items))] | |
1401 | self.calcwidths() |
|
1406 | self.calcwidths() | |
1402 | self.calcdisplayattr() |
|
1407 | self.calcdisplayattr() | |
1403 |
|
1408 | |||
1404 | def fetch(self, count): |
|
1409 | def fetch(self, count): | |
1405 | have = len(self.items) |
|
1410 | have = len(self.items) | |
1406 | while not self.exhausted and have < count: |
|
1411 | while not self.exhausted and have < count: | |
1407 | try: |
|
1412 | try: | |
1408 | item = self.iterator.next() |
|
1413 | item = self.iterator.next() | |
1409 | except StopIteration: |
|
1414 | except StopIteration: | |
1410 | self.exhausted = True |
|
1415 | self.exhausted = True | |
1411 | break |
|
1416 | break | |
1412 | else: |
|
1417 | else: | |
1413 | have += 1 |
|
1418 | have += 1 | |
1414 | self.items.append(_BrowserCachedItem(item)) |
|
1419 | self.items.append(_BrowserCachedItem(item)) | |
1415 |
|
1420 | |||
1416 | def calcdisplayattrs(self): |
|
1421 | def calcdisplayattrs(self): | |
1417 | attrnames = set() |
|
1422 | attrnames = set() | |
1418 | if self.attrs: |
|
1423 | if self.attrs: | |
1419 | self.displayattrs = self.attrs |
|
1424 | self.displayattrs = self.attrs | |
1420 | else: |
|
1425 | else: | |
1421 | self.displayattrs = [] |
|
1426 | self.displayattrs = [] | |
1422 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
1427 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
1423 | for i in xrange(self.datastarty, endy): |
|
1428 | for i in xrange(self.datastarty, endy): | |
1424 | for attrname in xattrs(self.items[i].item, "default"): |
|
1429 | for attrname in xattrs(self.items[i].item, "default"): | |
1425 | if attrname not in attrnames: |
|
1430 | if attrname not in attrnames: | |
1426 | self.displayattrs.append(attrname) |
|
1431 | self.displayattrs.append(attrname) | |
1427 | attrnames.add(attrname) |
|
1432 | attrnames.add(attrname) | |
1428 |
|
1433 | |||
1429 | def getrow(self, i): |
|
1434 | def getrow(self, i): | |
1430 | row = {} |
|
1435 | row = {} | |
1431 | item = self.items[i].item |
|
1436 | item = self.items[i].item | |
1432 | for attrname in self.displayattrs: |
|
1437 | for attrname in self.displayattrs: | |
1433 | try: |
|
1438 | try: | |
1434 | value = _getattr(item, attrname, _default) |
|
1439 | value = _getattr(item, attrname, _default) | |
1435 | except (KeyboardInterrupt, SystemExit): |
|
1440 | except (KeyboardInterrupt, SystemExit): | |
1436 | raise |
|
1441 | raise | |
1437 | except Exception, exc: |
|
1442 | except Exception, exc: | |
1438 | row[attrname] = self.browser.format(exc) |
|
1443 | row[attrname] = self.browser.format(exc) | |
1439 | else: |
|
1444 | else: | |
1440 | # only store attribute if it exists |
|
1445 | # only store attribute if it exists | |
1441 | if value is not _default: |
|
1446 | if value is not _default: | |
1442 | row[attrname] = self.browser.format(value) |
|
1447 | row[attrname] = self.browser.format(value) | |
1443 | return row |
|
1448 | return row | |
1444 |
|
1449 | |||
1445 | def calcwidths(self): |
|
1450 | def calcwidths(self): | |
1446 | # Recalculate the displayed fields and their width |
|
1451 | # Recalculate the displayed fields and their width | |
1447 | self.colwidths = {} |
|
1452 | self.colwidths = {} | |
1448 | for row in self.displayrows: |
|
1453 | for row in self.displayrows: | |
1449 | for attrname in self.displayattrs: |
|
1454 | for attrname in self.displayattrs: | |
1450 | (align, text, style) = row.get(attrname, (2, "", None)) |
|
1455 | (align, text, style) = row.get(attrname, (2, "", None)) | |
1451 | # always add attribute to colwidths, even if it doesn't exist |
|
1456 | # always add attribute to colwidths, even if it doesn't exist | |
1452 | if attrname not in self.colwidths: |
|
1457 | if attrname not in self.colwidths: | |
1453 | self.colwidths[attrname] = len(_attrname(attrname)) |
|
1458 | self.colwidths[attrname] = len(_attrname(attrname)) | |
1454 | newwidth = max(self.colwidths[attrname], len(text)) |
|
1459 | newwidth = max(self.colwidths[attrname], len(text)) | |
1455 | self.colwidths[attrname] = newwidth |
|
1460 | self.colwidths[attrname] = newwidth | |
1456 |
|
1461 | |||
1457 | # How many characters do we need to paint the item number? |
|
1462 | # How many characters do we need to paint the item number? | |
1458 | self.numbersizex = len(str(self.datastarty+self.mainsizey-1)) |
|
1463 | self.numbersizex = len(str(self.datastarty+self.mainsizey-1)) | |
1459 | # How must space have we got to display data? |
|
1464 | # How must space have we got to display data? | |
1460 | self.mainsizex = self.browser.scrsizex-self.numbersizex-3 |
|
1465 | self.mainsizex = self.browser.scrsizex-self.numbersizex-3 | |
1461 | # width of all columns |
|
1466 | # width of all columns | |
1462 | self.datasizex = sum(self.colwidths.itervalues()) + len(self.colwidths) |
|
1467 | self.datasizex = sum(self.colwidths.itervalues()) + len(self.colwidths) | |
1463 |
|
1468 | |||
1464 | def calcdisplayattr(self): |
|
1469 | def calcdisplayattr(self): | |
1465 | # Find out on which attribute the cursor is on |
|
1470 | # Find out on which attribute the cursor is on | |
1466 | pos = 0 |
|
1471 | pos = 0 | |
1467 | for attrname in self.displayattrs: |
|
1472 | for attrname in self.displayattrs: | |
1468 | if pos+self.colwidths[attrname] >= self.curx: |
|
1473 | if pos+self.colwidths[attrname] >= self.curx: | |
1469 | self.displayattr = attrname |
|
1474 | self.displayattr = attrname | |
1470 | break |
|
1475 | break | |
1471 | pos += self.colwidths[attrname]+1 |
|
1476 | pos += self.colwidths[attrname]+1 | |
1472 | else: |
|
1477 | else: | |
1473 | self.displayattr = None |
|
1478 | self.displayattr = None | |
1474 |
|
1479 | |||
1475 | def moveto(self, x, y, refresh=False): |
|
1480 | def moveto(self, x, y, refresh=False): | |
1476 | olddatastarty = self.datastarty |
|
1481 | olddatastarty = self.datastarty | |
1477 | oldx = self.curx |
|
1482 | oldx = self.curx | |
1478 | oldy = self.cury |
|
1483 | oldy = self.cury | |
1479 | x = int(x+0.5) |
|
1484 | x = int(x+0.5) | |
1480 | y = int(y+0.5) |
|
1485 | y = int(y+0.5) | |
1481 |
|
1486 | |||
1482 | scrollbordery = min(self.browser.scrollbordery, self.mainsizey//2) |
|
1487 | scrollbordery = min(self.browser.scrollbordery, self.mainsizey//2) | |
1483 | scrollborderx = min(self.browser.scrollborderx, self.mainsizex//2) |
|
1488 | scrollborderx = min(self.browser.scrollborderx, self.mainsizex//2) | |
1484 |
|
1489 | |||
1485 | # Make sure that the cursor didn't leave the main area vertically |
|
1490 | # Make sure that the cursor didn't leave the main area vertically | |
1486 | if y < 0: |
|
1491 | if y < 0: | |
1487 | y = 0 |
|
1492 | y = 0 | |
1488 | self.fetch(y+scrollbordery+1) # try to get more items |
|
1493 | self.fetch(y+scrollbordery+1) # try to get more items | |
1489 | if y >= len(self.items): |
|
1494 | if y >= len(self.items): | |
1490 | y = max(0, len(self.items)-1) |
|
1495 | y = max(0, len(self.items)-1) | |
1491 |
|
1496 | |||
1492 | # Make sure that the cursor stays on screen vertically |
|
1497 | # Make sure that the cursor stays on screen vertically | |
1493 | if y < self.datastarty+scrollbordery: |
|
1498 | if y < self.datastarty+scrollbordery: | |
1494 | self.datastarty = max(0, y-scrollbordery) |
|
1499 | self.datastarty = max(0, y-scrollbordery) | |
1495 | elif y >= self.datastarty+self.mainsizey-scrollbordery: |
|
1500 | elif y >= self.datastarty+self.mainsizey-scrollbordery: | |
1496 | self.datastarty = max(0, min(y-self.mainsizey+scrollbordery+1, |
|
1501 | self.datastarty = max(0, min(y-self.mainsizey+scrollbordery+1, | |
1497 | len(self.items)-self.mainsizey)) |
|
1502 | len(self.items)-self.mainsizey)) | |
1498 |
|
1503 | |||
1499 | if refresh: # Do we need to refresh the complete display? |
|
1504 | if refresh: # Do we need to refresh the complete display? | |
1500 | self.calcdisplayattrs() |
|
1505 | self.calcdisplayattrs() | |
1501 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
1506 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
1502 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) |
|
1507 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) | |
1503 | self.calcwidths() |
|
1508 | self.calcwidths() | |
1504 |
|
1509 | |||
1505 | # Did we scroll vertically => update displayrows |
|
1510 | # Did we scroll vertically => update displayrows | |
1506 | # and various other attributes |
|
1511 | # and various other attributes | |
1507 | elif self.datastarty != olddatastarty: |
|
1512 | elif self.datastarty != olddatastarty: | |
1508 | # Recalculate which attributes we have to display |
|
1513 | # Recalculate which attributes we have to display | |
1509 | olddisplayattrs = self.displayattrs |
|
1514 | olddisplayattrs = self.displayattrs | |
1510 | self.calcdisplayattrs() |
|
1515 | self.calcdisplayattrs() | |
1511 | # If there are new attributes, recreate the cache |
|
1516 | # If there are new attributes, recreate the cache | |
1512 | if self.displayattrs != olddisplayattrs: |
|
1517 | if self.displayattrs != olddisplayattrs: | |
1513 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
1518 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
1514 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) |
|
1519 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) | |
1515 | elif self.datastarty<olddatastarty: # we did scroll up |
|
1520 | elif self.datastarty<olddatastarty: # we did scroll up | |
1516 | # drop rows from the end |
|
1521 | # drop rows from the end | |
1517 | del self.displayrows[self.datastarty-olddatastarty:] |
|
1522 | del self.displayrows[self.datastarty-olddatastarty:] | |
1518 | # fetch new items |
|
1523 | # fetch new items | |
1519 | for i in xrange(olddatastarty-1, |
|
1524 | for i in xrange(olddatastarty-1, | |
1520 | self.datastarty-1, -1): |
|
1525 | self.datastarty-1, -1): | |
1521 | try: |
|
1526 | try: | |
1522 | row = self.getrow(i) |
|
1527 | row = self.getrow(i) | |
1523 | except IndexError: |
|
1528 | except IndexError: | |
1524 | # we didn't have enough objects to fill the screen |
|
1529 | # we didn't have enough objects to fill the screen | |
1525 | break |
|
1530 | break | |
1526 | self.displayrows.insert(0, row) |
|
1531 | self.displayrows.insert(0, row) | |
1527 | else: # we did scroll down |
|
1532 | else: # we did scroll down | |
1528 | # drop rows from the start |
|
1533 | # drop rows from the start | |
1529 | del self.displayrows[:self.datastarty-olddatastarty] |
|
1534 | del self.displayrows[:self.datastarty-olddatastarty] | |
1530 | # fetch new items |
|
1535 | # fetch new items | |
1531 | for i in xrange(olddatastarty+self.mainsizey, |
|
1536 | for i in xrange(olddatastarty+self.mainsizey, | |
1532 | self.datastarty+self.mainsizey): |
|
1537 | self.datastarty+self.mainsizey): | |
1533 | try: |
|
1538 | try: | |
1534 | row = self.getrow(i) |
|
1539 | row = self.getrow(i) | |
1535 | except IndexError: |
|
1540 | except IndexError: | |
1536 | # we didn't have enough objects to fill the screen |
|
1541 | # we didn't have enough objects to fill the screen | |
1537 | break |
|
1542 | break | |
1538 | self.displayrows.append(row) |
|
1543 | self.displayrows.append(row) | |
1539 | self.calcwidths() |
|
1544 | self.calcwidths() | |
1540 |
|
1545 | |||
1541 | # Make sure that the cursor didn't leave the data area horizontally |
|
1546 | # Make sure that the cursor didn't leave the data area horizontally | |
1542 | if x < 0: |
|
1547 | if x < 0: | |
1543 | x = 0 |
|
1548 | x = 0 | |
1544 | elif x >= self.datasizex: |
|
1549 | elif x >= self.datasizex: | |
1545 | x = max(0, self.datasizex-1) |
|
1550 | x = max(0, self.datasizex-1) | |
1546 |
|
1551 | |||
1547 | # Make sure that the cursor stays on screen horizontally |
|
1552 | # Make sure that the cursor stays on screen horizontally | |
1548 | if x < self.datastartx+scrollborderx: |
|
1553 | if x < self.datastartx+scrollborderx: | |
1549 | self.datastartx = max(0, x-scrollborderx) |
|
1554 | self.datastartx = max(0, x-scrollborderx) | |
1550 | elif x >= self.datastartx+self.mainsizex-scrollborderx: |
|
1555 | elif x >= self.datastartx+self.mainsizex-scrollborderx: | |
1551 | self.datastartx = max(0, min(x-self.mainsizex+scrollborderx+1, |
|
1556 | self.datastartx = max(0, min(x-self.mainsizex+scrollborderx+1, | |
1552 | self.datasizex-self.mainsizex)) |
|
1557 | self.datasizex-self.mainsizex)) | |
1553 |
|
1558 | |||
1554 | if x == oldx and y == oldy: # couldn't move |
|
1559 | if x == oldx and y == oldy: # couldn't move | |
1555 | if self.browser._dobeep: |
|
1560 | if self.browser._dobeep: | |
1556 | curses.beep() |
|
1561 | curses.beep() | |
1557 | # don't beep again (as long as the same key is pressed) |
|
1562 | # don't beep again (as long as the same key is pressed) | |
1558 | self.browser._dobeep = False |
|
1563 | self.browser._dobeep = False | |
1559 | else: |
|
1564 | else: | |
1560 | self.curx = x |
|
1565 | self.curx = x | |
1561 | self.cury = y |
|
1566 | self.cury = y | |
1562 | self.calcdisplayattr() |
|
1567 | self.calcdisplayattr() | |
1563 |
|
1568 | |||
1564 | def sort(self, key, reverse=False): |
|
1569 | def sort(self, key, reverse=False): | |
1565 | """ |
|
1570 | """ | |
1566 | Sort the currently list of items using the key function ``key``. If |
|
1571 | Sort the currently list of items using the key function ``key``. If | |
1567 | ``reverse`` is true the sort order is reversed. |
|
1572 | ``reverse`` is true the sort order is reversed. | |
1568 | """ |
|
1573 | """ | |
1569 | curitem = self.items[self.cury] # Remember where the cursor is now |
|
1574 | curitem = self.items[self.cury] # Remember where the cursor is now | |
1570 |
|
1575 | |||
1571 | # Sort items |
|
1576 | # Sort items | |
1572 | def realkey(item): |
|
1577 | def realkey(item): | |
1573 | return key(item.item) |
|
1578 | return key(item.item) | |
1574 | self.items = deque(sorted(self.items, key=realkey, reverse=reverse)) |
|
1579 | self.items = deque(sorted(self.items, key=realkey, reverse=reverse)) | |
1575 |
|
1580 | |||
1576 | # Find out where the object under the cursor went |
|
1581 | # Find out where the object under the cursor went | |
1577 | cury = self.cury |
|
1582 | cury = self.cury | |
1578 | for (i, item) in enumerate(self.items): |
|
1583 | for (i, item) in enumerate(self.items): | |
1579 | if item is curitem: |
|
1584 | if item is curitem: | |
1580 | cury = i |
|
1585 | cury = i | |
1581 | break |
|
1586 | break | |
1582 |
|
1587 | |||
1583 | self.moveto(self.curx, cury, refresh=True) |
|
1588 | self.moveto(self.curx, cury, refresh=True) | |
1584 |
|
1589 | |||
1585 |
|
1590 | |||
1586 | class ibrowse(Display): |
|
1591 | class ibrowse(Display): | |
1587 | # Show this many lines from the previous screen when paging horizontally |
|
1592 | # Show this many lines from the previous screen when paging horizontally | |
1588 | pageoverlapx = 1 |
|
1593 | pageoverlapx = 1 | |
1589 |
|
1594 | |||
1590 | # Show this many lines from the previous screen when paging vertically |
|
1595 | # Show this many lines from the previous screen when paging vertically | |
1591 | pageoverlapy = 1 |
|
1596 | pageoverlapy = 1 | |
1592 |
|
1597 | |||
1593 | # Start scrolling when the cursor is less than this number of columns |
|
1598 | # Start scrolling when the cursor is less than this number of columns | |
1594 | # away from the left or right screen edge |
|
1599 | # away from the left or right screen edge | |
1595 | scrollborderx = 10 |
|
1600 | scrollborderx = 10 | |
1596 |
|
1601 | |||
1597 | # Start scrolling when the cursor is less than this number of lines |
|
1602 | # Start scrolling when the cursor is less than this number of lines | |
1598 | # away from the top or bottom screen edge |
|
1603 | # away from the top or bottom screen edge | |
1599 | scrollbordery = 5 |
|
1604 | scrollbordery = 5 | |
1600 |
|
1605 | |||
1601 | # Accelerate by this factor when scrolling horizontally |
|
1606 | # Accelerate by this factor when scrolling horizontally | |
1602 | acceleratex = 1.05 |
|
1607 | acceleratex = 1.05 | |
1603 |
|
1608 | |||
1604 | # Accelerate by this factor when scrolling vertically |
|
1609 | # Accelerate by this factor when scrolling vertically | |
1605 | acceleratey = 1.05 |
|
1610 | acceleratey = 1.05 | |
1606 |
|
1611 | |||
1607 | # The maximum horizontal scroll speed |
|
1612 | # The maximum horizontal scroll speed | |
1608 | # (as a factor of the screen width (i.e. 0.5 == half a screen width) |
|
1613 | # (as a factor of the screen width (i.e. 0.5 == half a screen width) | |
1609 | maxspeedx = 0.5 |
|
1614 | maxspeedx = 0.5 | |
1610 |
|
1615 | |||
1611 | # The maximum vertical scroll speed |
|
1616 | # The maximum vertical scroll speed | |
1612 | # (as a factor of the screen height (i.e. 0.5 == half a screen height) |
|
1617 | # (as a factor of the screen height (i.e. 0.5 == half a screen height) | |
1613 | maxspeedy = 0.5 |
|
1618 | maxspeedy = 0.5 | |
1614 |
|
1619 | |||
1615 | # The maximum number of header lines for browser level |
|
1620 | # The maximum number of header lines for browser level | |
1616 | # if the nesting is deeper, only the innermost levels are displayed |
|
1621 | # if the nesting is deeper, only the innermost levels are displayed | |
1617 | maxheaders = 5 |
|
1622 | maxheaders = 5 | |
1618 |
|
1623 | |||
1619 | # Styles for various parts of the GUI |
|
1624 | # Styles for various parts of the GUI | |
1620 | style_objheadertext = Style(curses.COLOR_WHITE, curses.COLOR_BLACK, curses.A_BOLD|curses.A_REVERSE) |
|
1625 | style_objheadertext = Style(curses.COLOR_WHITE, curses.COLOR_BLACK, curses.A_BOLD|curses.A_REVERSE) | |
1621 | style_objheadernumber = Style(curses.COLOR_WHITE, curses.COLOR_BLUE, curses.A_BOLD|curses.A_REVERSE) |
|
1626 | style_objheadernumber = Style(curses.COLOR_WHITE, curses.COLOR_BLUE, curses.A_BOLD|curses.A_REVERSE) | |
1622 | style_objheaderobject = Style(curses.COLOR_WHITE, curses.COLOR_BLACK, curses.A_REVERSE) |
|
1627 | style_objheaderobject = Style(curses.COLOR_WHITE, curses.COLOR_BLACK, curses.A_REVERSE) | |
1623 | style_colheader = Style(curses.COLOR_BLUE, curses.COLOR_WHITE, curses.A_REVERSE) |
|
1628 | style_colheader = Style(curses.COLOR_BLUE, curses.COLOR_WHITE, curses.A_REVERSE) | |
1624 | style_colheaderhere = Style(curses.COLOR_GREEN, curses.COLOR_BLACK, curses.A_BOLD|curses.A_REVERSE) |
|
1629 | style_colheaderhere = Style(curses.COLOR_GREEN, curses.COLOR_BLACK, curses.A_BOLD|curses.A_REVERSE) | |
1625 | style_colheadersep = Style(curses.COLOR_BLUE, curses.COLOR_BLACK, curses.A_REVERSE) |
|
1630 | style_colheadersep = Style(curses.COLOR_BLUE, curses.COLOR_BLACK, curses.A_REVERSE) | |
1626 | style_number = Style(curses.COLOR_BLUE, curses.COLOR_WHITE, curses.A_REVERSE) |
|
1631 | style_number = Style(curses.COLOR_BLUE, curses.COLOR_WHITE, curses.A_REVERSE) | |
1627 | style_numberhere = Style(curses.COLOR_GREEN, curses.COLOR_BLACK, curses.A_BOLD|curses.A_REVERSE) |
|
1632 | style_numberhere = Style(curses.COLOR_GREEN, curses.COLOR_BLACK, curses.A_BOLD|curses.A_REVERSE) | |
1628 | style_sep = Style(curses.COLOR_BLUE, curses.COLOR_BLACK) |
|
1633 | style_sep = Style(curses.COLOR_BLUE, curses.COLOR_BLACK) | |
1629 | style_data = Style(curses.COLOR_WHITE, curses.COLOR_BLACK) |
|
1634 | style_data = Style(curses.COLOR_WHITE, curses.COLOR_BLACK) | |
1630 | style_datapad = Style(curses.COLOR_BLUE, curses.COLOR_BLACK, curses.A_BOLD) |
|
1635 | style_datapad = Style(curses.COLOR_BLUE, curses.COLOR_BLACK, curses.A_BOLD) | |
1631 | style_footer = Style(curses.COLOR_BLACK, curses.COLOR_WHITE) |
|
1636 | style_footer = Style(curses.COLOR_BLACK, curses.COLOR_WHITE) | |
1632 | style_noattr = Style(curses.COLOR_RED, curses.COLOR_BLACK) |
|
1637 | style_noattr = Style(curses.COLOR_RED, curses.COLOR_BLACK) | |
1633 | style_error = Style(curses.COLOR_RED, curses.COLOR_BLACK) |
|
1638 | style_error = Style(curses.COLOR_RED, curses.COLOR_BLACK) | |
1634 | style_default = Style(curses.COLOR_WHITE, curses.COLOR_BLACK) |
|
1639 | style_default = Style(curses.COLOR_WHITE, curses.COLOR_BLACK) | |
1635 | style_report = Style(curses.COLOR_WHITE, curses.COLOR_BLACK) |
|
1640 | style_report = Style(curses.COLOR_WHITE, curses.COLOR_BLACK) | |
1636 |
|
1641 | |||
1637 | # Styles for datatypes |
|
1642 | # Styles for datatypes | |
1638 | style_type_none = Style(curses.COLOR_MAGENTA, curses.COLOR_BLACK) |
|
1643 | style_type_none = Style(curses.COLOR_MAGENTA, curses.COLOR_BLACK) | |
1639 | style_type_bool = Style(curses.COLOR_GREEN, curses.COLOR_BLACK) |
|
1644 | style_type_bool = Style(curses.COLOR_GREEN, curses.COLOR_BLACK) | |
1640 | style_type_number = Style(curses.COLOR_YELLOW, curses.COLOR_BLACK) |
|
1645 | style_type_number = Style(curses.COLOR_YELLOW, curses.COLOR_BLACK) | |
1641 | style_type_datetime = Style(curses.COLOR_CYAN, curses.COLOR_BLACK) |
|
1646 | style_type_datetime = Style(curses.COLOR_CYAN, curses.COLOR_BLACK) | |
1642 |
|
1647 | |||
1643 | # Column separator in header |
|
1648 | # Column separator in header | |
1644 | headersepchar = "|" |
|
1649 | headersepchar = "|" | |
1645 |
|
1650 | |||
1646 | # Character for padding data cell entries |
|
1651 | # Character for padding data cell entries | |
1647 | datapadchar = "." |
|
1652 | datapadchar = "." | |
1648 |
|
1653 | |||
1649 | # Column separator in data area |
|
1654 | # Column separator in data area | |
1650 | datasepchar = "|" |
|
1655 | datasepchar = "|" | |
1651 |
|
1656 | |||
1652 | # Character to use for "empty" cell (i.e. for non-existing attributes) |
|
1657 | # Character to use for "empty" cell (i.e. for non-existing attributes) | |
1653 | nodatachar = "-" |
|
1658 | nodatachar = "-" | |
1654 |
|
1659 | |||
1655 | # Maps curses key codes to "function" names |
|
1660 | # Maps curses key codes to "function" names | |
1656 | keymap = { |
|
1661 | keymap = { | |
1657 | ord("q"): "quit", |
|
1662 | ord("q"): "quit", | |
1658 | curses.KEY_UP: "up", |
|
1663 | curses.KEY_UP: "up", | |
1659 | curses.KEY_DOWN: "down", |
|
1664 | curses.KEY_DOWN: "down", | |
1660 | curses.KEY_PPAGE: "pageup", |
|
1665 | curses.KEY_PPAGE: "pageup", | |
1661 | curses.KEY_NPAGE: "pagedown", |
|
1666 | curses.KEY_NPAGE: "pagedown", | |
1662 | curses.KEY_LEFT: "left", |
|
1667 | curses.KEY_LEFT: "left", | |
1663 | curses.KEY_RIGHT: "right", |
|
1668 | curses.KEY_RIGHT: "right", | |
1664 | curses.KEY_HOME: "home", |
|
1669 | curses.KEY_HOME: "home", | |
1665 | curses.KEY_END: "end", |
|
1670 | curses.KEY_END: "end", | |
1666 | ord("p"): "pick", |
|
1671 | ord("p"): "pick", | |
1667 | ord("P"): "pickattr", |
|
1672 | ord("P"): "pickattr", | |
1668 | ord("C"): "pickallattrs", |
|
1673 | ord("C"): "pickallattrs", | |
1669 | ord("m"): "pickmarked", |
|
1674 | ord("m"): "pickmarked", | |
1670 | ord("M"): "pickmarkedattr", |
|
1675 | ord("M"): "pickmarkedattr", | |
1671 | ord("\n"): "enterdefault", |
|
1676 | ord("\n"): "enterdefault", | |
1672 | # FIXME: What's happening here? |
|
1677 | # FIXME: What's happening here? | |
1673 | 8: "leave", |
|
1678 | 8: "leave", | |
1674 | 127: "leave", |
|
1679 | 127: "leave", | |
1675 | curses.KEY_BACKSPACE: "leave", |
|
1680 | curses.KEY_BACKSPACE: "leave", | |
1676 | ord("x"): "leave", |
|
1681 | ord("x"): "leave", | |
1677 | ord("h"): "help", |
|
1682 | ord("h"): "help", | |
1678 | ord("e"): "enter", |
|
1683 | ord("e"): "enter", | |
1679 | ord("E"): "enterattr", |
|
1684 | ord("E"): "enterattr", | |
1680 | ord("d"): "detail", |
|
1685 | ord("d"): "detail", | |
1681 | ord(" "): "tooglemark", |
|
1686 | ord(" "): "tooglemark", | |
1682 | ord("r"): "markrange", |
|
1687 | ord("r"): "markrange", | |
1683 | ord("v"): "sortattrasc", |
|
1688 | ord("v"): "sortattrasc", | |
1684 | ord("V"): "sortattrdesc", |
|
1689 | ord("V"): "sortattrdesc", | |
1685 | } |
|
1690 | } | |
1686 |
|
1691 | |||
1687 | def __init__(self, *attrs): |
|
1692 | def __init__(self, *attrs): | |
1688 | self.attrs = attrs |
|
1693 | self.attrs = attrs | |
1689 | self.levels = [] |
|
1694 | self.levels = [] | |
1690 | self.stepx = 1. # how many colums to scroll |
|
1695 | self.stepx = 1. # how many colums to scroll | |
1691 | self.stepy = 1. # how many rows to scroll |
|
1696 | self.stepy = 1. # how many rows to scroll | |
1692 | self._dobeep = True # Beep on the edges of the data area? |
|
1697 | self._dobeep = True # Beep on the edges of the data area? | |
1693 | self._colors = {} |
|
1698 | self._colors = {} | |
1694 | self._maxcolor = 1 |
|
1699 | self._maxcolor = 1 | |
1695 | self._headerlines = 1 # How many header lines do we want to paint (the numbers of levels we have, but with an upper bound) |
|
1700 | self._headerlines = 1 # How many header lines do we want to paint (the numbers of levels we have, but with an upper bound) | |
1696 | self._firstheaderline = 0 # Index of first header line |
|
1701 | self._firstheaderline = 0 # Index of first header line | |
1697 | self.scr = None # curses window |
|
1702 | self.scr = None # curses window | |
1698 | self._report = None # report in the footer line |
|
1703 | self._report = None # report in the footer line | |
1699 |
|
1704 | |||
1700 | def nextstepx(self, step): |
|
1705 | def nextstepx(self, step): | |
1701 | return max(1., min(step*self.acceleratex, |
|
1706 | return max(1., min(step*self.acceleratex, | |
1702 | self.maxspeedx*self.levels[-1].mainsizex)) |
|
1707 | self.maxspeedx*self.levels[-1].mainsizex)) | |
1703 |
|
1708 | |||
1704 | def nextstepy(self, step): |
|
1709 | def nextstepy(self, step): | |
1705 | return max(1., min(step*self.acceleratey, |
|
1710 | return max(1., min(step*self.acceleratey, | |
1706 | self.maxspeedy*self.levels[-1].mainsizey)) |
|
1711 | self.maxspeedy*self.levels[-1].mainsizey)) | |
1707 |
|
1712 | |||
1708 | def getstyle(self, style): |
|
1713 | def getstyle(self, style): | |
1709 | try: |
|
1714 | try: | |
1710 | return self._colors[style.fg, style.bg] | style.attrs |
|
1715 | return self._colors[style.fg, style.bg] | style.attrs | |
1711 | except KeyError: |
|
1716 | except KeyError: | |
1712 | curses.init_pair(self._maxcolor, style.fg, style.bg) |
|
1717 | curses.init_pair(self._maxcolor, style.fg, style.bg) | |
1713 | pair = curses.color_pair(self._maxcolor) |
|
1718 | pair = curses.color_pair(self._maxcolor) | |
1714 | self._colors[style.fg, style.bg] = pair |
|
1719 | self._colors[style.fg, style.bg] = pair | |
1715 | c = pair | style.attrs |
|
1720 | c = pair | style.attrs | |
1716 | self._maxcolor += 1 |
|
1721 | self._maxcolor += 1 | |
1717 | return c |
|
1722 | return c | |
1718 |
|
1723 | |||
1719 | def addstr(self, y, x, begx, endx, s, style): |
|
1724 | def addstr(self, y, x, begx, endx, s, style): | |
1720 | s2 = s[max(0, begx-x):max(0, endx-x)] |
|
1725 | s2 = s[max(0, begx-x):max(0, endx-x)] | |
1721 | if s2: |
|
1726 | if s2: | |
1722 | self.scr.addstr(y, max(x, begx), s2, self.getstyle(style)) |
|
1727 | self.scr.addstr(y, max(x, begx), s2, self.getstyle(style)) | |
1723 | return len(s) |
|
1728 | return len(s) | |
1724 |
|
1729 | |||
1725 | def format(self, value): |
|
1730 | def format(self, value): | |
1726 | if value is None: |
|
1731 | if value is None: | |
1727 | return (-1, repr(value), self.style_type_none) |
|
1732 | return (-1, repr(value), self.style_type_none) | |
1728 | elif isinstance(value, str): |
|
1733 | elif isinstance(value, str): | |
1729 | return (-1, repr(value.expandtabs(tab))[1:-1], self.style_default) |
|
1734 | return (-1, repr(value.expandtabs(tab))[1:-1], self.style_default) | |
1730 | elif isinstance(value, unicode): |
|
1735 | elif isinstance(value, unicode): | |
1731 | return (-1, repr(value.expandtabs(tab))[2:-1], self.style_default) |
|
1736 | return (-1, repr(value.expandtabs(tab))[2:-1], self.style_default) | |
1732 | elif isinstance(value, datetime.datetime): |
|
1737 | elif isinstance(value, datetime.datetime): | |
1733 | # Don't use strftime() here, as this requires year >= 1900 |
|
1738 | # Don't use strftime() here, as this requires year >= 1900 | |
1734 | return (-1, "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ |
|
1739 | return (-1, "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ | |
1735 | (value.year, value.month, value.day, |
|
1740 | (value.year, value.month, value.day, | |
1736 | value.hour, value.minute, value.second, |
|
1741 | value.hour, value.minute, value.second, | |
1737 | value.microsecond), |
|
1742 | value.microsecond), | |
1738 | self.style_type_datetime) |
|
1743 | self.style_type_datetime) | |
1739 | elif isinstance(value, datetime.date): |
|
1744 | elif isinstance(value, datetime.date): | |
1740 | return (-1, "%04d-%02d-%02d" % \ |
|
1745 | return (-1, "%04d-%02d-%02d" % \ | |
1741 | (value.year, value.month, value.day), |
|
1746 | (value.year, value.month, value.day), | |
1742 | self.style_type_datetime) |
|
1747 | self.style_type_datetime) | |
1743 | elif isinstance(value, datetime.time): |
|
1748 | elif isinstance(value, datetime.time): | |
1744 | return (-1, "%02d:%02d:%02d.%06d" % \ |
|
1749 | return (-1, "%02d:%02d:%02d.%06d" % \ | |
1745 | (value.hour, value.minute, value.second, |
|
1750 | (value.hour, value.minute, value.second, | |
1746 | value.microsecond), |
|
1751 | value.microsecond), | |
1747 | self.style_type_datetime) |
|
1752 | self.style_type_datetime) | |
1748 | elif isinstance(value, datetime.timedelta): |
|
1753 | elif isinstance(value, datetime.timedelta): | |
1749 | return (-1, repr(value), self.style_type_datetime) |
|
1754 | return (-1, repr(value), self.style_type_datetime) | |
1750 | elif isinstance(value, bool): |
|
1755 | elif isinstance(value, bool): | |
1751 | return (-1, repr(value), self.style_type_bool) |
|
1756 | return (-1, repr(value), self.style_type_bool) | |
1752 | elif isinstance(value, (int, long, float)): |
|
1757 | elif isinstance(value, (int, long, float)): | |
1753 | return (1, repr(value), self.style_type_number) |
|
1758 | return (1, repr(value), self.style_type_number) | |
1754 | elif isinstance(value, complex): |
|
1759 | elif isinstance(value, complex): | |
1755 | return (-1, repr(value), self.style_type_number) |
|
1760 | return (-1, repr(value), self.style_type_number) | |
1756 | elif isinstance(value, Exception): |
|
1761 | elif isinstance(value, Exception): | |
1757 | if value.__class__.__module__ == "exceptions": |
|
1762 | if value.__class__.__module__ == "exceptions": | |
1758 | value = "%s: %s" % (value.__class__.__name__, value) |
|
1763 | value = "%s: %s" % (value.__class__.__name__, value) | |
1759 | else: |
|
1764 | else: | |
1760 | value = "%s.%s: %s" % \ |
|
1765 | value = "%s.%s: %s" % \ | |
1761 | (value.__class__.__module__, value.__class__.__name__, |
|
1766 | (value.__class__.__module__, value.__class__.__name__, | |
1762 | value) |
|
1767 | value) | |
1763 | return (-1, value, self.style_error) |
|
1768 | return (-1, value, self.style_error) | |
1764 | return (-1, repr(value), self.style_default) |
|
1769 | return (-1, repr(value), self.style_default) | |
1765 |
|
1770 | |||
1766 | def _calcheaderlines(self, levels): |
|
1771 | def _calcheaderlines(self, levels): | |
1767 | if levels is None: |
|
1772 | if levels is None: | |
1768 | levels = len(self.levels) |
|
1773 | levels = len(self.levels) | |
1769 | self._headerlines = min(self.maxheaders, levels) |
|
1774 | self._headerlines = min(self.maxheaders, levels) | |
1770 | self._firstheaderline = levels-self._headerlines |
|
1775 | self._firstheaderline = levels-self._headerlines | |
1771 |
|
1776 | |||
1772 | def getstylehere(self, style): |
|
1777 | def getstylehere(self, style): | |
1773 | """ |
|
1778 | """ | |
1774 | Return a style for displaying the original style ``style`` |
|
1779 | Return a style for displaying the original style ``style`` | |
1775 | in the row the cursor is on. |
|
1780 | in the row the cursor is on. | |
1776 | """ |
|
1781 | """ | |
1777 | return Style(style.fg, style.bg, style.attrs | curses.A_BOLD) |
|
1782 | return Style(style.fg, style.bg, style.attrs | curses.A_BOLD) | |
1778 |
|
1783 | |||
1779 | def report(self, msg): |
|
1784 | def report(self, msg): | |
1780 | self._report = msg |
|
1785 | self._report = msg | |
1781 |
|
1786 | |||
1782 | def enter(self, item, mode, *attrs): |
|
1787 | def enter(self, item, mode, *attrs): | |
1783 | try: |
|
1788 | try: | |
1784 | iterator = xiter(item, mode) |
|
1789 | iterator = xiter(item, mode) | |
1785 | except (KeyboardInterrupt, SystemExit): |
|
1790 | except (KeyboardInterrupt, SystemExit): | |
1786 | raise |
|
1791 | raise | |
1787 | except Exception, exc: |
|
1792 | except Exception, exc: | |
1788 | curses.beep() |
|
1793 | curses.beep() | |
1789 | self.report(exc) |
|
1794 | self.report(exc) | |
1790 | else: |
|
1795 | else: | |
1791 | self._calcheaderlines(len(self.levels)+1) |
|
1796 | self._calcheaderlines(len(self.levels)+1) | |
1792 | level = _BrowserLevel( |
|
1797 | level = _BrowserLevel( | |
1793 | self, |
|
1798 | self, | |
1794 | item, |
|
1799 | item, | |
1795 | iterator, |
|
1800 | iterator, | |
1796 | self.scrsizey-1-self._headerlines-2, |
|
1801 | self.scrsizey-1-self._headerlines-2, | |
1797 | *attrs |
|
1802 | *attrs | |
1798 | ) |
|
1803 | ) | |
1799 | self.levels.append(level) |
|
1804 | self.levels.append(level) | |
1800 |
|
1805 | |||
1801 | def keylabel(self, keycode): |
|
1806 | def keylabel(self, keycode): | |
1802 | if keycode <= 0xff: |
|
1807 | if keycode <= 0xff: | |
1803 | specialsnames = { |
|
1808 | specialsnames = { | |
1804 | ord("\n"): "RETURN", |
|
1809 | ord("\n"): "RETURN", | |
1805 | ord(" "): "SPACE", |
|
1810 | ord(" "): "SPACE", | |
1806 | ord("\t"): "TAB", |
|
1811 | ord("\t"): "TAB", | |
1807 | ord("\x7f"): "DELETE", |
|
1812 | ord("\x7f"): "DELETE", | |
1808 | ord("\x08"): "BACKSPACE", |
|
1813 | ord("\x08"): "BACKSPACE", | |
1809 | } |
|
1814 | } | |
1810 | if keycode in specialsnames: |
|
1815 | if keycode in specialsnames: | |
1811 | return specialsnames[keycode] |
|
1816 | return specialsnames[keycode] | |
1812 | return repr(chr(keycode)) |
|
1817 | return repr(chr(keycode)) | |
1813 | for name in dir(curses): |
|
1818 | for name in dir(curses): | |
1814 | if name.startswith("KEY_") and getattr(curses, name) == keycode: |
|
1819 | if name.startswith("KEY_") and getattr(curses, name) == keycode: | |
1815 | return name |
|
1820 | return name | |
1816 | return str(keycode) |
|
1821 | return str(keycode) | |
1817 |
|
1822 | |||
1818 | def cmd_help(self): |
|
1823 | def cmd_help(self): | |
1819 | for level in self.levels: |
|
1824 | for level in self.levels: | |
1820 | if isinstance(level.input, _BrowserHelp): |
|
1825 | if isinstance(level.input, _BrowserHelp): | |
1821 | curses.beep() |
|
1826 | curses.beep() | |
1822 | self.report(CommandError("help already active")) |
|
1827 | self.report(CommandError("help already active")) | |
1823 | return |
|
1828 | return | |
1824 |
|
1829 | |||
1825 | self.enter(_BrowserHelp(self), "default") |
|
1830 | self.enter(_BrowserHelp(self), "default") | |
1826 |
|
1831 | |||
1827 | def _dodisplay(self, scr): |
|
1832 | def _dodisplay(self, scr): | |
1828 | self.scr = scr |
|
1833 | self.scr = scr | |
1829 | curses.halfdelay(1) |
|
1834 | curses.halfdelay(1) | |
1830 | footery = 2 |
|
1835 | footery = 2 | |
1831 |
|
1836 | |||
1832 | keys = [] |
|
1837 | keys = [] | |
1833 | for (key, cmd) in self.keymap.iteritems(): |
|
1838 | for (key, cmd) in self.keymap.iteritems(): | |
1834 | if cmd == "quit": |
|
1839 | if cmd == "quit": | |
1835 | keys.append("%s=%s" % (self.keylabel(key), cmd)) |
|
1840 | keys.append("%s=%s" % (self.keylabel(key), cmd)) | |
1836 | for (key, cmd) in self.keymap.iteritems(): |
|
1841 | for (key, cmd) in self.keymap.iteritems(): | |
1837 | if cmd == "help": |
|
1842 | if cmd == "help": | |
1838 | keys.append("%s=%s" % (self.keylabel(key), cmd)) |
|
1843 | keys.append("%s=%s" % (self.keylabel(key), cmd)) | |
1839 | helpmsg = " %s" % " ".join(keys) |
|
1844 | helpmsg = " %s" % " ".join(keys) | |
1840 |
|
1845 | |||
1841 | scr.clear() |
|
1846 | scr.clear() | |
1842 | msg = "Fetching first batch of objects..." |
|
1847 | msg = "Fetching first batch of objects..." | |
1843 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() |
|
1848 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() | |
1844 | scr.addstr(self.scrsizey//2, (self.scrsizex-len(msg))//2, msg) |
|
1849 | scr.addstr(self.scrsizey//2, (self.scrsizex-len(msg))//2, msg) | |
1845 | scr.refresh() |
|
1850 | scr.refresh() | |
1846 |
|
1851 | |||
1847 | lastc = -1 |
|
1852 | lastc = -1 | |
1848 |
|
1853 | |||
1849 | self.levels = [] |
|
1854 | self.levels = [] | |
1850 | # enter the first level |
|
1855 | # enter the first level | |
1851 | self.enter(self.input, xiter(self.input, "default"), *self.attrs) |
|
1856 | self.enter(self.input, xiter(self.input, "default"), *self.attrs) | |
1852 |
|
1857 | |||
1853 | self._calcheaderlines(None) |
|
1858 | self._calcheaderlines(None) | |
1854 |
|
1859 | |||
1855 | while True: |
|
1860 | while True: | |
1856 | level = self.levels[-1] |
|
1861 | level = self.levels[-1] | |
1857 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() |
|
1862 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() | |
1858 | level.mainsizey = self.scrsizey-1-self._headerlines-footery |
|
1863 | level.mainsizey = self.scrsizey-1-self._headerlines-footery | |
1859 |
|
1864 | |||
1860 | # Paint object header |
|
1865 | # Paint object header | |
1861 | for i in xrange(self._firstheaderline, self._firstheaderline+self._headerlines): |
|
1866 | for i in xrange(self._firstheaderline, self._firstheaderline+self._headerlines): | |
1862 | lv = self.levels[i] |
|
1867 | lv = self.levels[i] | |
1863 | posx = 0 |
|
1868 | posx = 0 | |
1864 | posx += self.addstr(i-self._firstheaderline, posx, 0, self.scrsizex, " ibrowse #%d: " % i, self.style_objheadertext) |
|
1869 | posx += self.addstr(i-self._firstheaderline, posx, 0, self.scrsizex, " ibrowse #%d: " % i, self.style_objheadertext) | |
1865 | posx += self.addstr(i-self._firstheaderline, posx, 0, self.scrsizex, lv.header, self.style_objheaderobject) |
|
1870 | posx += self.addstr(i-self._firstheaderline, posx, 0, self.scrsizex, lv.header, self.style_objheaderobject) | |
1866 | if i: # not the first level |
|
1871 | if i: # not the first level | |
1867 | posx += self.addstr(i-self._firstheaderline, posx, 0, self.scrsizex, " == ", self.style_objheadertext) |
|
1872 | posx += self.addstr(i-self._firstheaderline, posx, 0, self.scrsizex, " == ", self.style_objheadertext) | |
1868 | msg = "%d/%d" % (self.levels[i-1].cury, len(self.levels[i-1].items)) |
|
1873 | msg = "%d/%d" % (self.levels[i-1].cury, len(self.levels[i-1].items)) | |
1869 | if not self.levels[i-1].exhausted: |
|
1874 | if not self.levels[i-1].exhausted: | |
1870 | msg += "+" |
|
1875 | msg += "+" | |
1871 | posx += self.addstr(i-self._firstheaderline, posx, 0, self.scrsizex, msg, self.style_objheadernumber) |
|
1876 | posx += self.addstr(i-self._firstheaderline, posx, 0, self.scrsizex, msg, self.style_objheadernumber) | |
1872 | if posx < self.scrsizex: |
|
1877 | if posx < self.scrsizex: | |
1873 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_objheadertext)) |
|
1878 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_objheadertext)) | |
1874 |
|
1879 | |||
1875 | # Paint column headers |
|
1880 | # Paint column headers | |
1876 | scr.move(self._headerlines, 0) |
|
1881 | scr.move(self._headerlines, 0) | |
1877 | scr.addstr(" %*s " % (level.numbersizex, "#"), self.getstyle(self.style_colheader)) |
|
1882 | scr.addstr(" %*s " % (level.numbersizex, "#"), self.getstyle(self.style_colheader)) | |
1878 | scr.addstr(self.headersepchar, self.getstyle(self.style_colheadersep)) |
|
1883 | scr.addstr(self.headersepchar, self.getstyle(self.style_colheadersep)) | |
1879 | begx = level.numbersizex+3 |
|
1884 | begx = level.numbersizex+3 | |
1880 | posx = begx-level.datastartx |
|
1885 | posx = begx-level.datastartx | |
1881 | for attrname in level.displayattrs: |
|
1886 | for attrname in level.displayattrs: | |
1882 | strattrname = _attrname(attrname) |
|
1887 | strattrname = _attrname(attrname) | |
1883 | cwidth = level.colwidths[attrname] |
|
1888 | cwidth = level.colwidths[attrname] | |
1884 | header = strattrname.ljust(cwidth) |
|
1889 | header = strattrname.ljust(cwidth) | |
1885 | if attrname == level.displayattr: |
|
1890 | if attrname == level.displayattr: | |
1886 | style = self.style_colheaderhere |
|
1891 | style = self.style_colheaderhere | |
1887 | else: |
|
1892 | else: | |
1888 | style = self.style_colheader |
|
1893 | style = self.style_colheader | |
1889 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, header, style) |
|
1894 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, header, style) | |
1890 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, self.headersepchar, self.style_colheadersep) |
|
1895 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, self.headersepchar, self.style_colheadersep) | |
1891 | if posx >= self.scrsizex: |
|
1896 | if posx >= self.scrsizex: | |
1892 | break |
|
1897 | break | |
1893 | else: |
|
1898 | else: | |
1894 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_colheader)) |
|
1899 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_colheader)) | |
1895 |
|
1900 | |||
1896 | # Paint rows |
|
1901 | # Paint rows | |
1897 | posy = self._headerlines+1+level.datastarty |
|
1902 | posy = self._headerlines+1+level.datastarty | |
1898 | for i in xrange(level.datastarty, min(level.datastarty+level.mainsizey, len(level.items))): |
|
1903 | for i in xrange(level.datastarty, min(level.datastarty+level.mainsizey, len(level.items))): | |
1899 | cache = level.items[i] |
|
1904 | cache = level.items[i] | |
1900 | if i == level.cury: |
|
1905 | if i == level.cury: | |
1901 | style = self.style_numberhere |
|
1906 | style = self.style_numberhere | |
1902 | else: |
|
1907 | else: | |
1903 | style = self.style_number |
|
1908 | style = self.style_number | |
1904 |
|
1909 | |||
1905 | posy = self._headerlines+1+i-level.datastarty |
|
1910 | posy = self._headerlines+1+i-level.datastarty | |
1906 | posx = begx-level.datastartx |
|
1911 | posx = begx-level.datastartx | |
1907 |
|
1912 | |||
1908 | scr.move(posy, 0) |
|
1913 | scr.move(posy, 0) | |
1909 | scr.addstr(" %*d%s" % (level.numbersizex, i, " !"[cache.marked]), self.getstyle(style)) |
|
1914 | scr.addstr(" %*d%s" % (level.numbersizex, i, " !"[cache.marked]), self.getstyle(style)) | |
1910 | scr.addstr(self.headersepchar, self.getstyle(self.style_sep)) |
|
1915 | scr.addstr(self.headersepchar, self.getstyle(self.style_sep)) | |
1911 |
|
1916 | |||
1912 | for attrname in level.displayattrs: |
|
1917 | for attrname in level.displayattrs: | |
1913 | cwidth = level.colwidths[attrname] |
|
1918 | cwidth = level.colwidths[attrname] | |
1914 | (align, text, style) = level.displayrows[i-level.datastarty].get(attrname, (2, None, self.style_noattr)) |
|
1919 | (align, text, style) = level.displayrows[i-level.datastarty].get(attrname, (2, None, self.style_noattr)) | |
1915 | padstyle = self.style_datapad |
|
1920 | padstyle = self.style_datapad | |
1916 | sepstyle = self.style_sep |
|
1921 | sepstyle = self.style_sep | |
1917 | if i == level.cury: |
|
1922 | if i == level.cury: | |
1918 | style = self.getstylehere(style) |
|
1923 | style = self.getstylehere(style) | |
1919 | padstyle = self.getstylehere(padstyle) |
|
1924 | padstyle = self.getstylehere(padstyle) | |
1920 | sepstyle = self.getstylehere(sepstyle) |
|
1925 | sepstyle = self.getstylehere(sepstyle) | |
1921 | if align == 2: |
|
1926 | if align == 2: | |
1922 | text = self.nodatachar*cwidth |
|
1927 | text = self.nodatachar*cwidth | |
1923 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) |
|
1928 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) | |
1924 | elif align == -1: |
|
1929 | elif align == -1: | |
1925 | pad = self.datapadchar*(cwidth-len(text)) |
|
1930 | pad = self.datapadchar*(cwidth-len(text)) | |
1926 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) |
|
1931 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) | |
1927 | posx += self.addstr(posy, posx, begx, self.scrsizex, pad, padstyle) |
|
1932 | posx += self.addstr(posy, posx, begx, self.scrsizex, pad, padstyle) | |
1928 | elif align == 0: |
|
1933 | elif align == 0: | |
1929 | pad1 = self.datapadchar*((cwidth-len(text))//2) |
|
1934 | pad1 = self.datapadchar*((cwidth-len(text))//2) | |
1930 | pad2 = self.datapadchar*(cwidth-len(text)-len(pad1)) |
|
1935 | pad2 = self.datapadchar*(cwidth-len(text)-len(pad1)) | |
1931 | posx += self.addstr(posy, posx, begx, self.scrsizex, pad1, padstyle) |
|
1936 | posx += self.addstr(posy, posx, begx, self.scrsizex, pad1, padstyle) | |
1932 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) |
|
1937 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) | |
1933 | posx += self.addstr(posy, posx, begx, self.scrsizex, pad2, padstyle) |
|
1938 | posx += self.addstr(posy, posx, begx, self.scrsizex, pad2, padstyle) | |
1934 | elif align == 1: |
|
1939 | elif align == 1: | |
1935 | pad = self.datapadchar*(cwidth-len(text)) |
|
1940 | pad = self.datapadchar*(cwidth-len(text)) | |
1936 | posx += self.addstr(posy, posx, begx, self.scrsizex, pad, padstyle) |
|
1941 | posx += self.addstr(posy, posx, begx, self.scrsizex, pad, padstyle) | |
1937 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) |
|
1942 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) | |
1938 | posx += self.addstr(posy, posx, begx, self.scrsizex, self.datasepchar, sepstyle) |
|
1943 | posx += self.addstr(posy, posx, begx, self.scrsizex, self.datasepchar, sepstyle) | |
1939 | if posx >= self.scrsizex: |
|
1944 | if posx >= self.scrsizex: | |
1940 | break |
|
1945 | break | |
1941 | else: |
|
1946 | else: | |
1942 | scr.clrtoeol() |
|
1947 | scr.clrtoeol() | |
1943 |
|
1948 | |||
1944 | # Add blank row headers for the rest of the screen |
|
1949 | # Add blank row headers for the rest of the screen | |
1945 | for posy in xrange(posy+1, self.scrsizey-2): |
|
1950 | for posy in xrange(posy+1, self.scrsizey-2): | |
1946 | scr.addstr(posy, 0, " " * (level.numbersizex+2), self.getstyle(self.style_colheader)) |
|
1951 | scr.addstr(posy, 0, " " * (level.numbersizex+2), self.getstyle(self.style_colheader)) | |
1947 | scr.clrtoeol() |
|
1952 | scr.clrtoeol() | |
1948 |
|
1953 | |||
1949 | # Display footer |
|
1954 | # Display footer | |
1950 | scr.addstr(self.scrsizey-footery, 0, " "*self.scrsizex, self.getstyle(self.style_footer)) |
|
1955 | scr.addstr(self.scrsizey-footery, 0, " "*self.scrsizex, self.getstyle(self.style_footer)) | |
1951 |
|
1956 | |||
1952 | if level.exhausted: |
|
1957 | if level.exhausted: | |
1953 | flag = "" |
|
1958 | flag = "" | |
1954 | else: |
|
1959 | else: | |
1955 | flag = "+" |
|
1960 | flag = "+" | |
1956 |
|
1961 | |||
1957 | scr.addstr(self.scrsizey-footery, self.scrsizex-len(helpmsg)-1, helpmsg, self.getstyle(self.style_footer)) |
|
1962 | scr.addstr(self.scrsizey-footery, self.scrsizex-len(helpmsg)-1, helpmsg, self.getstyle(self.style_footer)) | |
1958 |
|
1963 | |||
1959 | msg = "%d%s objects (%d marked)" % (len(level.items), flag, level.marked) |
|
1964 | msg = "%d%s objects (%d marked)" % (len(level.items), flag, level.marked) | |
1960 | try: |
|
1965 | try: | |
1961 | msg += ": %s > %s" % (xrepr(level.items[level.cury].item, "footer"), _attrname(level.displayattr)) |
|
1966 | msg += ": %s > %s" % (xrepr(level.items[level.cury].item, "footer"), _attrname(level.displayattr)) | |
1962 | except IndexError: # empty |
|
1967 | except IndexError: # empty | |
1963 | pass |
|
1968 | pass | |
1964 | self.addstr(self.scrsizey-footery, 1, 1, self.scrsizex-len(helpmsg)-1, msg, self.style_footer) |
|
1969 | self.addstr(self.scrsizey-footery, 1, 1, self.scrsizex-len(helpmsg)-1, msg, self.style_footer) | |
1965 |
|
1970 | |||
1966 | # Display report |
|
1971 | # Display report | |
1967 | if self._report is not None: |
|
1972 | if self._report is not None: | |
1968 | if isinstance(self._report, Exception): |
|
1973 | if isinstance(self._report, Exception): | |
1969 | style = self.getstyle(self.style_error) |
|
1974 | style = self.getstyle(self.style_error) | |
1970 | if self._report.__class__.__module__ == "exceptions": |
|
1975 | if self._report.__class__.__module__ == "exceptions": | |
1971 | msg = "%s: %s" % \ |
|
1976 | msg = "%s: %s" % \ | |
1972 | (self._report.__class__.__name__, self._report) |
|
1977 | (self._report.__class__.__name__, self._report) | |
1973 | else: |
|
1978 | else: | |
1974 | msg = "%s.%s: %s" % \ |
|
1979 | msg = "%s.%s: %s" % \ | |
1975 | (self._report.__class__.__module__, |
|
1980 | (self._report.__class__.__module__, | |
1976 | self._report.__class__.__name__, self._report) |
|
1981 | self._report.__class__.__name__, self._report) | |
1977 | else: |
|
1982 | else: | |
1978 | style = self.getstyle(self.style_report) |
|
1983 | style = self.getstyle(self.style_report) | |
1979 | msg = self._report |
|
1984 | msg = self._report | |
1980 | try: |
|
1985 | try: | |
1981 | scr.addstr(self.scrsizey-1, 0, msg[:self.scrsizex], style) |
|
1986 | scr.addstr(self.scrsizey-1, 0, msg[:self.scrsizex], style) | |
1982 | except curses.err: |
|
1987 | except curses.err: | |
1983 | # Protect against error from writing to the last line |
|
1988 | # Protect against error from writing to the last line | |
1984 | pass |
|
1989 | pass | |
1985 | self._report = None |
|
1990 | self._report = None | |
1986 | else: |
|
1991 | else: | |
1987 | scr.move(self.scrsizey-1, 0) |
|
1992 | scr.move(self.scrsizey-1, 0) | |
1988 | scr.clrtoeol() |
|
1993 | scr.clrtoeol() | |
1989 |
|
1994 | |||
1990 | # Position cursor |
|
1995 | # Position cursor | |
1991 | scr.move( |
|
1996 | scr.move( | |
1992 | 1+self._headerlines+level.cury-level.datastarty, |
|
1997 | 1+self._headerlines+level.cury-level.datastarty, | |
1993 | level.numbersizex+3+level.curx-level.datastartx |
|
1998 | level.numbersizex+3+level.curx-level.datastartx | |
1994 | ) |
|
1999 | ) | |
1995 | scr.refresh() |
|
2000 | scr.refresh() | |
1996 |
|
2001 | |||
1997 | # Check keyboard |
|
2002 | # Check keyboard | |
1998 | while True: |
|
2003 | while True: | |
1999 | c = scr.getch() |
|
2004 | c = scr.getch() | |
2000 | # if no key is pressed slow down and beep again |
|
2005 | # if no key is pressed slow down and beep again | |
2001 | if c == -1: |
|
2006 | if c == -1: | |
2002 | self.stepx = 1. |
|
2007 | self.stepx = 1. | |
2003 | self.stepy = 1. |
|
2008 | self.stepy = 1. | |
2004 | self._dobeep = True |
|
2009 | self._dobeep = True | |
2005 | else: |
|
2010 | else: | |
2006 | # if a different key was pressed slow down and beep too |
|
2011 | # if a different key was pressed slow down and beep too | |
2007 | if c != lastc: |
|
2012 | if c != lastc: | |
2008 | lastc = c |
|
2013 | lastc = c | |
2009 | self.stepx = 1. |
|
2014 | self.stepx = 1. | |
2010 | self.stepy = 1. |
|
2015 | self.stepy = 1. | |
2011 | self._dobeep = True |
|
2016 | self._dobeep = True | |
2012 | cmd = self.keymap.get(c, None) |
|
2017 | cmd = self.keymap.get(c, None) | |
2013 | if cmd == "quit": |
|
2018 | if cmd == "quit": | |
2014 | return |
|
2019 | return | |
2015 | elif cmd == "up": |
|
2020 | elif cmd == "up": | |
2016 | self.report("up") |
|
2021 | self.report("up") | |
2017 | level.moveto(level.curx, level.cury-self.stepy) |
|
2022 | level.moveto(level.curx, level.cury-self.stepy) | |
2018 | elif cmd == "down": |
|
2023 | elif cmd == "down": | |
2019 | self.report("down") |
|
2024 | self.report("down") | |
2020 | level.moveto(level.curx, level.cury+self.stepy) |
|
2025 | level.moveto(level.curx, level.cury+self.stepy) | |
2021 | elif cmd == "pageup": |
|
2026 | elif cmd == "pageup": | |
2022 | self.report("page up") |
|
2027 | self.report("page up") | |
2023 | level.moveto(level.curx, level.cury-level.mainsizey+self.pageoverlapy) |
|
2028 | level.moveto(level.curx, level.cury-level.mainsizey+self.pageoverlapy) | |
2024 | elif cmd == "pagedown": |
|
2029 | elif cmd == "pagedown": | |
2025 | self.report("page down") |
|
2030 | self.report("page down") | |
2026 | level.moveto(level.curx, level.cury+level.mainsizey-self.pageoverlapy) |
|
2031 | level.moveto(level.curx, level.cury+level.mainsizey-self.pageoverlapy) | |
2027 | elif cmd == "left": |
|
2032 | elif cmd == "left": | |
2028 | self.report("left") |
|
2033 | self.report("left") | |
2029 | level.moveto(level.curx-self.stepx, level.cury) |
|
2034 | level.moveto(level.curx-self.stepx, level.cury) | |
2030 | elif cmd == "right": |
|
2035 | elif cmd == "right": | |
2031 | self.report("right") |
|
2036 | self.report("right") | |
2032 | level.moveto(level.curx+self.stepx, level.cury) |
|
2037 | level.moveto(level.curx+self.stepx, level.cury) | |
2033 | elif cmd == "home": |
|
2038 | elif cmd == "home": | |
2034 | self.report("home") |
|
2039 | self.report("home") | |
2035 | level.moveto(0, level.cury) |
|
2040 | level.moveto(0, level.cury) | |
2036 | elif cmd == "end": |
|
2041 | elif cmd == "end": | |
2037 | self.report("end") |
|
2042 | self.report("end") | |
2038 | level.moveto(level.datasizex+level.mainsizey-self.pageoverlapx, level.cury) |
|
2043 | level.moveto(level.datasizex+level.mainsizey-self.pageoverlapx, level.cury) | |
2039 | elif cmd == "pick": |
|
2044 | elif cmd == "pick": | |
2040 | return level.items[level.cury].item |
|
2045 | return level.items[level.cury].item | |
2041 | elif cmd == "pickattr": |
|
2046 | elif cmd == "pickattr": | |
2042 | attr = _getattr(level.items[level.cury].item, level.displayattr) |
|
2047 | attr = _getattr(level.items[level.cury].item, level.displayattr) | |
2043 | if attr is _default: |
|
2048 | if attr is _default: | |
2044 | curses.beep() |
|
2049 | curses.beep() | |
2045 | self.report(AttributeError(_attrname(level.displayattr))) |
|
2050 | self.report(AttributeError(_attrname(level.displayattr))) | |
2046 | else: |
|
2051 | else: | |
2047 | return attr |
|
2052 | return attr | |
2048 | elif cmd == "pickallattrs": |
|
2053 | elif cmd == "pickallattrs": | |
2049 | result = [] |
|
2054 | result = [] | |
2050 | for cache in level.items: |
|
2055 | for cache in level.items: | |
2051 | attr = _getattr(cache.item, level.displayattr) |
|
2056 | attr = _getattr(cache.item, level.displayattr) | |
2052 | if attr is not _default: |
|
2057 | if attr is not _default: | |
2053 | result.append(attr) |
|
2058 | result.append(attr) | |
2054 | return result |
|
2059 | return result | |
2055 | elif cmd == "pickmarked": |
|
2060 | elif cmd == "pickmarked": | |
2056 | return [cache.item for cache in level.items if cache.marked] |
|
2061 | return [cache.item for cache in level.items if cache.marked] | |
2057 | elif cmd == "pickmarkedattr": |
|
2062 | elif cmd == "pickmarkedattr": | |
2058 | result = [] |
|
2063 | result = [] | |
2059 | for cache in level.items: |
|
2064 | for cache in level.items: | |
2060 | if cache.marked: |
|
2065 | if cache.marked: | |
2061 | attr = _getattr(cache.item, level.displayattr) |
|
2066 | attr = _getattr(cache.item, level.displayattr) | |
2062 | if attr is not _default: |
|
2067 | if attr is not _default: | |
2063 | result.append(attr) |
|
2068 | result.append(attr) | |
2064 | return result |
|
2069 | return result | |
2065 | elif cmd == "markrange": |
|
2070 | elif cmd == "markrange": | |
2066 | self.report("markrange") |
|
2071 | self.report("markrange") | |
2067 | start = None |
|
2072 | start = None | |
2068 | if level.items: |
|
2073 | if level.items: | |
2069 | for i in xrange(level.cury, -1, -1): |
|
2074 | for i in xrange(level.cury, -1, -1): | |
2070 | if level.items[i].marked: |
|
2075 | if level.items[i].marked: | |
2071 | start = i |
|
2076 | start = i | |
2072 | break |
|
2077 | break | |
2073 | if start is None: |
|
2078 | if start is None: | |
2074 | self.report(CommandError("no mark before cursor")) |
|
2079 | self.report(CommandError("no mark before cursor")) | |
2075 | curses.beep() |
|
2080 | curses.beep() | |
2076 | else: |
|
2081 | else: | |
2077 | for i in xrange(start, level.cury+1): |
|
2082 | for i in xrange(start, level.cury+1): | |
2078 | cache = level.items[i] |
|
2083 | cache = level.items[i] | |
2079 | if not cache.marked: |
|
2084 | if not cache.marked: | |
2080 | cache.marked = True |
|
2085 | cache.marked = True | |
2081 | level.marked += 1 |
|
2086 | level.marked += 1 | |
2082 | elif cmd == "enterdefault": |
|
2087 | elif cmd == "enterdefault": | |
2083 | self.report("entering object (default mode)...") |
|
2088 | self.report("entering object (default mode)...") | |
2084 | self.enter(level.items[level.cury].item, "default") |
|
2089 | self.enter(level.items[level.cury].item, "default") | |
2085 | elif cmd == "leave": |
|
2090 | elif cmd == "leave": | |
2086 | self.report("leave") |
|
2091 | self.report("leave") | |
2087 | if len(self.levels) > 1: |
|
2092 | if len(self.levels) > 1: | |
2088 | self._calcheaderlines(len(self.levels)-1) |
|
2093 | self._calcheaderlines(len(self.levels)-1) | |
2089 | self.levels.pop(-1) |
|
2094 | self.levels.pop(-1) | |
2090 | else: |
|
2095 | else: | |
2091 | self.report(CommandError("this is the last level")) |
|
2096 | self.report(CommandError("this is the last level")) | |
2092 | curses.beep() |
|
2097 | curses.beep() | |
2093 | elif cmd == "enter": |
|
2098 | elif cmd == "enter": | |
2094 | self.report("entering object...") |
|
2099 | self.report("entering object...") | |
2095 | self.enter(level.items[level.cury].item, None) |
|
2100 | self.enter(level.items[level.cury].item, None) | |
2096 | elif cmd == "enterattr": |
|
2101 | elif cmd == "enterattr": | |
2097 | self.report("entering object attribute %s..." % _attrname(level.displayattr)) |
|
2102 | self.report("entering object attribute %s..." % _attrname(level.displayattr)) | |
2098 | self.enter(_getattr(level.items[level.cury].item, level.displayattr), None) |
|
2103 | self.enter(_getattr(level.items[level.cury].item, level.displayattr), None) | |
2099 | elif cmd == "detail": |
|
2104 | elif cmd == "detail": | |
2100 | self.enter(level.items[level.cury].item, "detail") |
|
2105 | self.enter(level.items[level.cury].item, "detail") | |
2101 | elif cmd == "tooglemark": |
|
2106 | elif cmd == "tooglemark": | |
2102 | self.report("toggle mark") |
|
2107 | self.report("toggle mark") | |
2103 | try: |
|
2108 | try: | |
2104 | item = level.items[level.cury] |
|
2109 | item = level.items[level.cury] | |
2105 | except IndexError: # no items? |
|
2110 | except IndexError: # no items? | |
2106 | pass |
|
2111 | pass | |
2107 | else: |
|
2112 | else: | |
2108 | if item.marked: |
|
2113 | if item.marked: | |
2109 | item.marked = False |
|
2114 | item.marked = False | |
2110 | level.marked -= 1 |
|
2115 | level.marked -= 1 | |
2111 | else: |
|
2116 | else: | |
2112 | item.marked = True |
|
2117 | item.marked = True | |
2113 | level.marked += 1 |
|
2118 | level.marked += 1 | |
2114 | elif cmd == "sortattrasc": |
|
2119 | elif cmd == "sortattrasc": | |
2115 | self.report("sort by %s (ascending)" % _attrname(level.displayattr)) |
|
2120 | self.report("sort by %s (ascending)" % _attrname(level.displayattr)) | |
2116 | def key(item): |
|
2121 | def key(item): | |
2117 | return _getattr(item, level.displayattr) |
|
2122 | return _getattr(item, level.displayattr) | |
2118 | level.sort(key) |
|
2123 | level.sort(key) | |
2119 | elif cmd == "sortattrdesc": |
|
2124 | elif cmd == "sortattrdesc": | |
2120 | self.report("sort by %s (descending)" % _attrname(level.displayattr)) |
|
2125 | self.report("sort by %s (descending)" % _attrname(level.displayattr)) | |
2121 | def key(item): |
|
2126 | def key(item): | |
2122 | return _getattr(item, level.displayattr) |
|
2127 | return _getattr(item, level.displayattr) | |
2123 | level.sort(key, reverse=True) |
|
2128 | level.sort(key, reverse=True) | |
2124 | elif cmd == "help": |
|
2129 | elif cmd == "help": | |
2125 | self.cmd_help() |
|
2130 | self.cmd_help() | |
2126 | elif cmd is not None: |
|
2131 | elif cmd is not None: | |
2127 | self.report(UnknownCommandError("Unknown command %r" % (cmd,))) |
|
2132 | self.report(UnknownCommandError("Unknown command %r" % (cmd,))) | |
2128 | else: |
|
2133 | else: | |
2129 | self.report(UnassignedKeyError("Unassigned key %s" % self.keylabel(c))) |
|
2134 | self.report(UnassignedKeyError("Unassigned key %s" % self.keylabel(c))) | |
2130 | self.stepx = self.nextstepx(self.stepx) |
|
2135 | self.stepx = self.nextstepx(self.stepx) | |
2131 | self.stepy = self.nextstepy(self.stepy) |
|
2136 | self.stepy = self.nextstepy(self.stepy) | |
2132 | curses.flushinp() # get rid of type ahead |
|
2137 | curses.flushinp() # get rid of type ahead | |
2133 | break # Redisplay |
|
2138 | break # Redisplay | |
2134 | self.scr = None |
|
2139 | self.scr = None | |
2135 |
|
2140 | |||
2136 | def display(self): |
|
2141 | def display(self): | |
2137 | return curses.wrapper(self._dodisplay) |
|
2142 | return curses.wrapper(self._dodisplay) | |
2138 |
|
2143 | |||
2139 | defaultdisplay = ibrowse |
|
2144 | defaultdisplay = ibrowse | |
2140 | __all__.append("ibrowse") |
|
2145 | __all__.append("ibrowse") | |
2141 | else: |
|
2146 | else: | |
2142 | defaultdisplay = idump |
|
2147 | defaultdisplay = idump | |
2143 |
|
2148 | |||
2144 |
|
2149 | |||
2145 | # If we're running under IPython, install an IPython displayhook that |
|
2150 | # If we're running under IPython, install an IPython displayhook that | |
2146 | # returns the object from Display.display(), else install a displayhook |
|
2151 | # returns the object from Display.display(), else install a displayhook | |
2147 | # directly as sys.displayhook |
|
2152 | # directly as sys.displayhook | |
2148 | try: |
|
2153 | try: | |
2149 | from IPython import ipapi |
|
2154 | from IPython import ipapi | |
2150 | api = ipapi.get() |
|
2155 | api = ipapi.get() | |
2151 | except (ImportError, AttributeError): |
|
2156 | except (ImportError, AttributeError): | |
2152 | api = None |
|
2157 | api = None | |
2153 |
|
2158 | |||
2154 | if api is not None: |
|
2159 | if api is not None: | |
2155 | def displayhook(self, obj): |
|
2160 | def displayhook(self, obj): | |
2156 | if isinstance(obj, type) and issubclass(obj, Table): |
|
2161 | if isinstance(obj, type) and issubclass(obj, Table): | |
2157 | obj = obj() |
|
2162 | obj = obj() | |
2158 | if isinstance(obj, Table): |
|
2163 | if isinstance(obj, Table): | |
2159 | obj = obj | defaultdisplay |
|
2164 | obj = obj | defaultdisplay | |
2160 | if isinstance(obj, Display): |
|
2165 | if isinstance(obj, Display): | |
2161 | return obj.display() |
|
2166 | return obj.display() | |
2162 | else: |
|
2167 | else: | |
2163 | raise ipapi.TryNext |
|
2168 | raise ipapi.TryNext | |
2164 | api.set_hook("result_display", displayhook) |
|
2169 | api.set_hook("result_display", displayhook) | |
2165 | else: |
|
2170 | else: | |
2166 | def installdisplayhook(): |
|
2171 | def installdisplayhook(): | |
2167 | _originalhook = sys.displayhook |
|
2172 | _originalhook = sys.displayhook | |
2168 | def displayhook(obj): |
|
2173 | def displayhook(obj): | |
2169 | if isinstance(obj, type) and issubclass(obj, Table): |
|
2174 | if isinstance(obj, type) and issubclass(obj, Table): | |
2170 | obj = obj() |
|
2175 | obj = obj() | |
2171 | if isinstance(obj, Table): |
|
2176 | if isinstance(obj, Table): | |
2172 | obj = obj | defaultdisplay |
|
2177 | obj = obj | defaultdisplay | |
2173 | if isinstance(obj, Display): |
|
2178 | if isinstance(obj, Display): | |
2174 | return obj.display() |
|
2179 | return obj.display() | |
2175 | else: |
|
2180 | else: | |
2176 | _originalhook(obj) |
|
2181 | _originalhook(obj) | |
2177 | sys.displayhook = displayhook |
|
2182 | sys.displayhook = displayhook | |
2178 | installdisplayhook() |
|
2183 | installdisplayhook() |
General Comments 0
You need to be logged in to leave comments.
Login now