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