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