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@@ -1,1415 +1,1393 b'' | |||||
1 | # -*- coding: iso-8859-1 -*- |
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1 | # -*- coding: iso-8859-1 -*- | |
2 |
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2 | |||
3 | import curses, textwrap |
|
3 | import curses, textwrap | |
4 |
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4 | |||
5 | import astyle, ipipe |
|
5 | import astyle, ipipe | |
6 |
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6 | |||
7 |
|
7 | |||
8 | _ibrowse_help = """ |
|
8 | _ibrowse_help = """ | |
9 | down |
|
9 | down | |
10 | Move the cursor to the next line. |
|
10 | Move the cursor to the next line. | |
11 |
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11 | |||
12 | up |
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12 | up | |
13 | Move the cursor to the previous line. |
|
13 | Move the cursor to the previous line. | |
14 |
|
14 | |||
15 | pagedown |
|
15 | pagedown | |
16 | Move the cursor down one page (minus overlap). |
|
16 | Move the cursor down one page (minus overlap). | |
17 |
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17 | |||
18 | pageup |
|
18 | pageup | |
19 | Move the cursor up one page (minus overlap). |
|
19 | Move the cursor up one page (minus overlap). | |
20 |
|
20 | |||
21 | left |
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21 | left | |
22 | Move the cursor left. |
|
22 | Move the cursor left. | |
23 |
|
23 | |||
24 | right |
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24 | right | |
25 | Move the cursor right. |
|
25 | Move the cursor right. | |
26 |
|
26 | |||
27 | home |
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27 | home | |
28 | Move the cursor to the first column. |
|
28 | Move the cursor to the first column. | |
29 |
|
29 | |||
30 | end |
|
30 | end | |
31 | Move the cursor to the last column. |
|
31 | Move the cursor to the last column. | |
32 |
|
32 | |||
33 | prevattr |
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33 | prevattr | |
34 | Move the cursor one attribute column to the left. |
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34 | Move the cursor one attribute column to the left. | |
35 |
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35 | |||
36 | nextattr |
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36 | nextattr | |
37 | Move the cursor one attribute column to the right. |
|
37 | Move the cursor one attribute column to the right. | |
38 |
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38 | |||
39 | pick |
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39 | pick | |
40 | 'Pick' the object under the cursor (i.e. the row the cursor is on). This |
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40 | 'Pick' the object under the cursor (i.e. the row the cursor is on). This | |
41 | leaves the browser and returns the picked object to the caller. (In IPython |
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41 | leaves the browser and returns the picked object to the caller. (In IPython | |
42 | this object will be available as the '_' variable.) |
|
42 | this object will be available as the '_' variable.) | |
43 |
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43 | |||
44 | pickattr |
|
44 | pickattr | |
45 | 'Pick' the attribute under the cursor (i.e. the row/column the cursor is on). |
|
45 | 'Pick' the attribute under the cursor (i.e. the row/column the cursor is on). | |
46 |
|
46 | |||
47 | pickallattrs |
|
47 | pickallattrs | |
48 | Pick' the complete column under the cursor (i.e. the attribute under the |
|
48 | Pick' the complete column under the cursor (i.e. the attribute under the | |
49 | cursor) from all currently fetched objects. These attributes will be returned |
|
49 | cursor) from all currently fetched objects. These attributes will be returned | |
50 | as a list. |
|
50 | as a list. | |
51 |
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51 | |||
52 | tooglemark |
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52 | tooglemark | |
53 | Mark/unmark the object under the cursor. Marked objects have a '!' after the |
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53 | Mark/unmark the object under the cursor. Marked objects have a '!' after the | |
54 | row number). |
|
54 | row number). | |
55 |
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55 | |||
56 | pickmarked |
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56 | pickmarked | |
57 | 'Pick' marked objects. Marked objects will be returned as a list. |
|
57 | 'Pick' marked objects. Marked objects will be returned as a list. | |
58 |
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58 | |||
59 | pickmarkedattr |
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59 | pickmarkedattr | |
60 | 'Pick' the attribute under the cursor from all marked objects (This returns a |
|
60 | 'Pick' the attribute under the cursor from all marked objects (This returns a | |
61 | list). |
|
61 | list). | |
62 |
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62 | |||
63 | enterdefault |
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63 | enterdefault | |
64 | Enter the object under the cursor. (what this mean depends on the object |
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64 | Enter the object under the cursor. (what this mean depends on the object | |
65 | itself (i.e. how it implements the '__xiter__' method). This opens a new |
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65 | itself (i.e. how it implements the '__xiter__' method). This opens a new | |
66 | browser 'level'. |
|
66 | browser 'level'. | |
67 |
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67 | |||
68 | enter |
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68 | enter | |
69 | Enter the object under the cursor. If the object provides different enter |
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69 | Enter the object under the cursor. If the object provides different enter | |
70 | modes a menu of all modes will be presented; choose one and enter it (via the |
|
70 | modes a menu of all modes will be presented; choose one and enter it (via the | |
71 | 'enter' or 'enterdefault' command). |
|
71 | 'enter' or 'enterdefault' command). | |
72 |
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72 | |||
73 | enterattr |
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73 | enterattr | |
74 | Enter the attribute under the cursor. |
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74 | Enter the attribute under the cursor. | |
75 |
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75 | |||
76 | leave |
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76 | leave | |
77 | Leave the current browser level and go back to the previous one. |
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77 | Leave the current browser level and go back to the previous one. | |
78 |
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78 | |||
79 | detail |
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79 | detail | |
80 | Show a detail view of the object under the cursor. This shows the name, type, |
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80 | Show a detail view of the object under the cursor. This shows the name, type, | |
81 | doc string and value of the object attributes (and it might show more |
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81 | doc string and value of the object attributes (and it might show more | |
82 | attributes than in the list view, depending on the object). |
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82 | attributes than in the list view, depending on the object). | |
83 |
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83 | |||
84 | detailattr |
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84 | detailattr | |
85 | Show a detail view of the attribute under the cursor. |
|
85 | Show a detail view of the attribute under the cursor. | |
86 |
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86 | |||
87 | markrange |
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87 | markrange | |
88 | Mark all objects from the last marked object before the current cursor |
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88 | Mark all objects from the last marked object before the current cursor | |
89 | position to the cursor position. |
|
89 | position to the cursor position. | |
90 |
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90 | |||
91 | sortattrasc |
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91 | sortattrasc | |
92 | Sort the objects (in ascending order) using the attribute under the cursor as |
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92 | Sort the objects (in ascending order) using the attribute under the cursor as | |
93 | the sort key. |
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93 | the sort key. | |
94 |
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94 | |||
95 | sortattrdesc |
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95 | sortattrdesc | |
96 | Sort the objects (in descending order) using the attribute under the cursor as |
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96 | Sort the objects (in descending order) using the attribute under the cursor as | |
97 | the sort key. |
|
97 | the sort key. | |
98 |
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98 | |||
99 | goto |
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99 | goto | |
100 | Jump to a row. The row number can be entered at the bottom of the screen. |
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100 | Jump to a row. The row number can be entered at the bottom of the screen. | |
101 |
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101 | |||
102 | find |
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102 | find | |
103 | Search forward for a row. At the bottom of the screen the condition can be |
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103 | Search forward for a row. At the bottom of the screen the condition can be | |
104 | entered. |
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104 | entered. | |
105 |
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105 | |||
106 | findbackwards |
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106 | findbackwards | |
107 | Search backward for a row. At the bottom of the screen the condition can be |
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107 | Search backward for a row. At the bottom of the screen the condition can be | |
108 | entered. |
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108 | entered. | |
109 |
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109 | |||
110 | help |
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110 | help | |
111 | This screen. |
|
111 | This screen. | |
112 | """ |
|
112 | """ | |
113 |
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113 | |||
114 |
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114 | |||
115 | class UnassignedKeyError(Exception): |
|
115 | class UnassignedKeyError(Exception): | |
116 | """ |
|
116 | """ | |
117 | Exception that is used for reporting unassigned keys. |
|
117 | Exception that is used for reporting unassigned keys. | |
118 | """ |
|
118 | """ | |
119 |
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119 | |||
120 |
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120 | |||
121 | class UnknownCommandError(Exception): |
|
121 | class UnknownCommandError(Exception): | |
122 | """ |
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122 | """ | |
123 | Exception that is used for reporting unknown command (this should never |
|
123 | Exception that is used for reporting unknown command (this should never | |
124 | happen). |
|
124 | happen). | |
125 | """ |
|
125 | """ | |
126 |
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126 | |||
127 |
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127 | |||
128 | class CommandError(Exception): |
|
128 | class CommandError(Exception): | |
129 | """ |
|
129 | """ | |
130 | Exception that is used for reporting that a command can't be executed. |
|
130 | Exception that is used for reporting that a command can't be executed. | |
131 | """ |
|
131 | """ | |
132 |
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132 | |||
133 |
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133 | |||
134 | class _BrowserCachedItem(object): |
|
134 | class _BrowserCachedItem(object): | |
135 | # This is used internally by ``ibrowse`` to store a item together with its |
|
135 | # This is used internally by ``ibrowse`` to store a item together with its | |
136 | # marked status. |
|
136 | # marked status. | |
137 | __slots__ = ("item", "marked") |
|
137 | __slots__ = ("item", "marked") | |
138 |
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138 | |||
139 | def __init__(self, item): |
|
139 | def __init__(self, item): | |
140 | self.item = item |
|
140 | self.item = item | |
141 | self.marked = False |
|
141 | self.marked = False | |
142 |
|
142 | |||
143 |
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143 | |||
144 | class _BrowserHelp(object): |
|
144 | class _BrowserHelp(object): | |
145 | style_header = astyle.Style.fromstr("red:blacK") |
|
145 | style_header = astyle.Style.fromstr("red:blacK") | |
146 | # This is used internally by ``ibrowse`` for displaying the help screen. |
|
146 | # This is used internally by ``ibrowse`` for displaying the help screen. | |
147 | def __init__(self, browser): |
|
147 | def __init__(self, browser): | |
148 | self.browser = browser |
|
148 | self.browser = browser | |
149 |
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149 | |||
150 | def __xrepr__(self, mode): |
|
150 | def __xrepr__(self, mode): | |
151 | yield (-1, True) |
|
151 | yield (-1, True) | |
152 | if mode == "header" or mode == "footer": |
|
152 | if mode == "header" or mode == "footer": | |
153 | yield (astyle.style_default, "ibrowse help screen") |
|
153 | yield (astyle.style_default, "ibrowse help screen") | |
154 | else: |
|
154 | else: | |
155 | yield (astyle.style_default, repr(self)) |
|
155 | yield (astyle.style_default, repr(self)) | |
156 |
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156 | |||
157 | def __xiter__(self, mode): |
|
157 | def __xiter__(self, mode): | |
158 | # Get reverse key mapping |
|
158 | # Get reverse key mapping | |
159 | allkeys = {} |
|
159 | allkeys = {} | |
160 | for (key, cmd) in self.browser.keymap.iteritems(): |
|
160 | for (key, cmd) in self.browser.keymap.iteritems(): | |
161 | allkeys.setdefault(cmd, []).append(key) |
|
161 | allkeys.setdefault(cmd, []).append(key) | |
162 |
|
162 | |||
163 | fields = ("key", "description") |
|
163 | fields = ("key", "description") | |
164 |
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164 | |||
165 | for (i, command) in enumerate(_ibrowse_help.strip().split("\n\n")): |
|
165 | for (i, command) in enumerate(_ibrowse_help.strip().split("\n\n")): | |
166 | if i: |
|
166 | if i: | |
167 | yield ipipe.Fields(fields, key="", description="") |
|
167 | yield ipipe.Fields(fields, key="", description="") | |
168 |
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168 | |||
169 | (name, description) = command.split("\n", 1) |
|
169 | (name, description) = command.split("\n", 1) | |
170 | keys = allkeys.get(name, []) |
|
170 | keys = allkeys.get(name, []) | |
171 | lines = textwrap.wrap(description, 60) |
|
171 | lines = textwrap.wrap(description, 60) | |
172 |
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172 | |||
173 | yield ipipe.Fields(fields, description=astyle.Text((self.style_header, name))) |
|
173 | yield ipipe.Fields(fields, description=astyle.Text((self.style_header, name))) | |
174 | for i in xrange(max(len(keys), len(lines))): |
|
174 | for i in xrange(max(len(keys), len(lines))): | |
175 | try: |
|
175 | try: | |
176 | key = self.browser.keylabel(keys[i]) |
|
176 | key = self.browser.keylabel(keys[i]) | |
177 | except IndexError: |
|
177 | except IndexError: | |
178 | key = "" |
|
178 | key = "" | |
179 | try: |
|
179 | try: | |
180 | line = lines[i] |
|
180 | line = lines[i] | |
181 | except IndexError: |
|
181 | except IndexError: | |
182 | line = "" |
|
182 | line = "" | |
183 | yield ipipe.Fields(fields, key=key, description=line) |
|
183 | yield ipipe.Fields(fields, key=key, description=line) | |
184 |
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184 | |||
185 |
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185 | |||
186 | class _BrowserLevel(object): |
|
186 | class _BrowserLevel(object): | |
187 | # This is used internally to store the state (iterator, fetch items, |
|
187 | # This is used internally to store the state (iterator, fetch items, | |
188 | # position of cursor and screen, etc.) of one browser level |
|
188 | # position of cursor and screen, etc.) of one browser level | |
189 | # An ``ibrowse`` object keeps multiple ``_BrowserLevel`` objects in |
|
189 | # An ``ibrowse`` object keeps multiple ``_BrowserLevel`` objects in | |
190 | # a stack. |
|
190 | # a stack. | |
191 | def __init__(self, browser, input, iterator, mainsizey, *attrs): |
|
191 | def __init__(self, browser, input, iterator, mainsizey, *attrs): | |
192 | self.browser = browser |
|
192 | self.browser = browser | |
193 | self.input = input |
|
193 | self.input = input | |
194 | self.header = [x for x in ipipe.xrepr(input, "header") if not isinstance(x[0], int)] |
|
194 | self.header = [x for x in ipipe.xrepr(input, "header") if not isinstance(x[0], int)] | |
195 | # iterator for the input |
|
195 | # iterator for the input | |
196 | self.iterator = iterator |
|
196 | self.iterator = iterator | |
197 |
|
197 | |||
198 | # is the iterator exhausted? |
|
198 | # is the iterator exhausted? | |
199 | self.exhausted = False |
|
199 | self.exhausted = False | |
200 |
|
200 | |||
201 | # attributes to be display (autodetected if empty) |
|
201 | # attributes to be display (autodetected if empty) | |
202 | self.attrs = attrs |
|
202 | self.attrs = attrs | |
203 |
|
203 | |||
204 | # fetched items (+ marked flag) |
|
204 | # fetched items (+ marked flag) | |
205 | self.items = ipipe.deque() |
|
205 | self.items = ipipe.deque() | |
206 |
|
206 | |||
207 | # Number of marked objects |
|
207 | # Number of marked objects | |
208 | self.marked = 0 |
|
208 | self.marked = 0 | |
209 |
|
209 | |||
210 | # Vertical cursor position |
|
210 | # Vertical cursor position | |
211 | self.cury = 0 |
|
211 | self.cury = 0 | |
212 |
|
212 | |||
213 | # Horizontal cursor position |
|
213 | # Horizontal cursor position | |
214 | self.curx = 0 |
|
214 | self.curx = 0 | |
215 |
|
215 | |||
216 | # Index of first data column |
|
216 | # Index of first data column | |
217 | self.datastartx = 0 |
|
217 | self.datastartx = 0 | |
218 |
|
218 | |||
219 | # Index of first data line |
|
219 | # Index of first data line | |
220 | self.datastarty = 0 |
|
220 | self.datastarty = 0 | |
221 |
|
221 | |||
222 | # height of the data display area |
|
222 | # height of the data display area | |
223 | self.mainsizey = mainsizey |
|
223 | self.mainsizey = mainsizey | |
224 |
|
224 | |||
225 | # width of the data display area (changes when scrolling) |
|
225 | # width of the data display area (changes when scrolling) | |
226 | self.mainsizex = 0 |
|
226 | self.mainsizex = 0 | |
227 |
|
227 | |||
228 | # Size of row number (changes when scrolling) |
|
228 | # Size of row number (changes when scrolling) | |
229 | self.numbersizex = 0 |
|
229 | self.numbersizex = 0 | |
230 |
|
230 | |||
231 | # Attribute names to display (in this order) |
|
231 | # Attribute names to display (in this order) | |
232 | self.displayattrs = [] |
|
232 | self.displayattrs = [] | |
233 |
|
233 | |||
234 | # index and name of attribute under the cursor |
|
234 | # index and name of attribute under the cursor | |
235 | self.displayattr = (None, ipipe.noitem) |
|
235 | self.displayattr = (None, ipipe.noitem) | |
236 |
|
236 | |||
237 | # Maps attribute names to column widths |
|
237 | # Maps attribute names to column widths | |
238 | self.colwidths = {} |
|
238 | self.colwidths = {} | |
239 |
|
239 | |||
240 | self.fetch(mainsizey) |
|
240 | self.fetch(mainsizey) | |
241 | self.calcdisplayattrs() |
|
241 | self.calcdisplayattrs() | |
242 | # formatted attributes for the items on screen |
|
242 | # formatted attributes for the items on screen | |
243 | # (i.e. self.items[self.datastarty:self.datastarty+self.mainsizey]) |
|
243 | # (i.e. self.items[self.datastarty:self.datastarty+self.mainsizey]) | |
244 | self.displayrows = [self.getrow(i) for i in xrange(len(self.items))] |
|
244 | self.displayrows = [self.getrow(i) for i in xrange(len(self.items))] | |
245 | self.calcwidths() |
|
245 | self.calcwidths() | |
246 | self.calcdisplayattr() |
|
246 | self.calcdisplayattr() | |
247 |
|
247 | |||
248 | def fetch(self, count): |
|
248 | def fetch(self, count): | |
249 | # Try to fill ``self.items`` with at least ``count`` objects. |
|
249 | # Try to fill ``self.items`` with at least ``count`` objects. | |
250 | have = len(self.items) |
|
250 | have = len(self.items) | |
251 | while not self.exhausted and have < count: |
|
251 | while not self.exhausted and have < count: | |
252 | try: |
|
252 | try: | |
253 | item = self.iterator.next() |
|
253 | item = self.iterator.next() | |
254 | except StopIteration: |
|
254 | except StopIteration: | |
255 | self.exhausted = True |
|
255 | self.exhausted = True | |
256 | break |
|
256 | break | |
257 | else: |
|
257 | else: | |
258 | have += 1 |
|
258 | have += 1 | |
259 | self.items.append(_BrowserCachedItem(item)) |
|
259 | self.items.append(_BrowserCachedItem(item)) | |
260 |
|
260 | |||
261 | def calcdisplayattrs(self): |
|
261 | def calcdisplayattrs(self): | |
262 | # Calculate which attributes are available from the objects that are |
|
262 | # Calculate which attributes are available from the objects that are | |
263 | # currently visible on screen (and store it in ``self.displayattrs``) |
|
263 | # currently visible on screen (and store it in ``self.displayattrs``) | |
264 | attrnames = set() |
|
264 | attrnames = set() | |
265 | # If the browser object specifies a fixed list of attributes, |
|
265 | # If the browser object specifies a fixed list of attributes, | |
266 | # simply use it. |
|
266 | # simply use it. | |
267 | if self.attrs: |
|
267 | if self.attrs: | |
268 | self.displayattrs = self.attrs |
|
268 | self.displayattrs = self.attrs | |
269 | else: |
|
269 | else: | |
270 | self.displayattrs = [] |
|
270 | self.displayattrs = [] | |
271 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
271 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
272 | for i in xrange(self.datastarty, endy): |
|
272 | for i in xrange(self.datastarty, endy): | |
273 | for attrname in ipipe.xattrs(self.items[i].item, "default"): |
|
273 | for attrname in ipipe.xattrs(self.items[i].item, "default"): | |
274 | if attrname not in attrnames: |
|
274 | if attrname not in attrnames: | |
275 | self.displayattrs.append(attrname) |
|
275 | self.displayattrs.append(attrname) | |
276 | attrnames.add(attrname) |
|
276 | attrnames.add(attrname) | |
277 |
|
277 | |||
278 | def getrow(self, i): |
|
278 | def getrow(self, i): | |
279 | # Return a dictinary with the attributes for the object |
|
279 | # Return a dictinary with the attributes for the object | |
280 | # ``self.items[i]``. Attribute names are taken from |
|
280 | # ``self.items[i]``. Attribute names are taken from | |
281 | # ``self.displayattrs`` so ``calcdisplayattrs()`` must have been |
|
281 | # ``self.displayattrs`` so ``calcdisplayattrs()`` must have been | |
282 | # called before. |
|
282 | # called before. | |
283 | row = {} |
|
283 | row = {} | |
284 | item = self.items[i].item |
|
284 | item = self.items[i].item | |
285 | for attrname in self.displayattrs: |
|
285 | for attrname in self.displayattrs: | |
286 | try: |
|
286 | try: | |
287 | value = ipipe._getattr(item, attrname, ipipe.noitem) |
|
287 | value = ipipe._getattr(item, attrname, ipipe.noitem) | |
288 | except (KeyboardInterrupt, SystemExit): |
|
288 | except (KeyboardInterrupt, SystemExit): | |
289 | raise |
|
289 | raise | |
290 | except Exception, exc: |
|
290 | except Exception, exc: | |
291 | value = exc |
|
291 | value = exc | |
292 | # only store attribute if it exists (or we got an exception) |
|
292 | # only store attribute if it exists (or we got an exception) | |
293 | if value is not ipipe.noitem: |
|
293 | if value is not ipipe.noitem: | |
294 | parts = [] |
|
294 | # remember alignment, length and colored text | |
295 | totallength = 0 |
|
295 | row[attrname] = ipipe.xformat(value, "cell", self.browser.maxattrlength) | |
296 | align = None |
|
|||
297 | full = True |
|
|||
298 | # Collect parts until we have enough |
|
|||
299 | for part in ipipe.xrepr(value, "cell"): |
|
|||
300 | # part gives (alignment, stop) |
|
|||
301 | # instead of (style, text) |
|
|||
302 | if isinstance(part[0], int): |
|
|||
303 | # only consider the first occurence |
|
|||
304 | if align is None: |
|
|||
305 | align = part[0] |
|
|||
306 | full = part[1] |
|
|||
307 | else: |
|
|||
308 | parts.append(part) |
|
|||
309 | totallength += len(part[1]) |
|
|||
310 | if totallength >= self.browser.maxattrlength and not full: |
|
|||
311 | parts.append((astyle.style_ellisis, "...")) |
|
|||
312 | totallength += 3 |
|
|||
313 | break |
|
|||
314 | if align is None: |
|
|||
315 | align = -1 |
|
|||
316 | # remember alignment, length and colored parts |
|
|||
317 | row[attrname] = (align, totallength, parts) |
|
|||
318 | return row |
|
296 | return row | |
319 |
|
297 | |||
320 | def calcwidths(self): |
|
298 | def calcwidths(self): | |
321 | # Recalculate the displayed fields and their width. |
|
299 | # Recalculate the displayed fields and their width. | |
322 | # ``calcdisplayattrs()'' must have been called and the cache |
|
300 | # ``calcdisplayattrs()'' must have been called and the cache | |
323 | # for attributes of the objects on screen (``self.displayrows``) |
|
301 | # for attributes of the objects on screen (``self.displayrows``) | |
324 | # must have been filled. This returns a dictionary mapping |
|
302 | # must have been filled. This returns a dictionary mapping | |
325 | # colmn names to width. |
|
303 | # colmn names to width. | |
326 | self.colwidths = {} |
|
304 | self.colwidths = {} | |
327 | for row in self.displayrows: |
|
305 | for row in self.displayrows: | |
328 | for attrname in self.displayattrs: |
|
306 | for attrname in self.displayattrs: | |
329 | try: |
|
307 | try: | |
330 | length = row[attrname][1] |
|
308 | length = row[attrname][1] | |
331 | except KeyError: |
|
309 | except KeyError: | |
332 | length = 0 |
|
310 | length = 0 | |
333 | # always add attribute to colwidths, even if it doesn't exist |
|
311 | # always add attribute to colwidths, even if it doesn't exist | |
334 | if attrname not in self.colwidths: |
|
312 | if attrname not in self.colwidths: | |
335 | self.colwidths[attrname] = len(ipipe._attrname(attrname)) |
|
313 | self.colwidths[attrname] = len(ipipe._attrname(attrname)) | |
336 | newwidth = max(self.colwidths[attrname], length) |
|
314 | newwidth = max(self.colwidths[attrname], length) | |
337 | self.colwidths[attrname] = newwidth |
|
315 | self.colwidths[attrname] = newwidth | |
338 |
|
316 | |||
339 | # How many characters do we need to paint the item number? |
|
317 | # How many characters do we need to paint the item number? | |
340 | self.numbersizex = len(str(self.datastarty+self.mainsizey-1)) |
|
318 | self.numbersizex = len(str(self.datastarty+self.mainsizey-1)) | |
341 | # How must space have we got to display data? |
|
319 | # How must space have we got to display data? | |
342 | self.mainsizex = self.browser.scrsizex-self.numbersizex-3 |
|
320 | self.mainsizex = self.browser.scrsizex-self.numbersizex-3 | |
343 | # width of all columns |
|
321 | # width of all columns | |
344 | self.datasizex = sum(self.colwidths.itervalues()) + len(self.colwidths) |
|
322 | self.datasizex = sum(self.colwidths.itervalues()) + len(self.colwidths) | |
345 |
|
323 | |||
346 | def calcdisplayattr(self): |
|
324 | def calcdisplayattr(self): | |
347 | # Find out on which attribute the cursor is on and store this |
|
325 | # Find out on which attribute the cursor is on and store this | |
348 | # information in ``self.displayattr``. |
|
326 | # information in ``self.displayattr``. | |
349 | pos = 0 |
|
327 | pos = 0 | |
350 | for (i, attrname) in enumerate(self.displayattrs): |
|
328 | for (i, attrname) in enumerate(self.displayattrs): | |
351 | if pos+self.colwidths[attrname] >= self.curx: |
|
329 | if pos+self.colwidths[attrname] >= self.curx: | |
352 | self.displayattr = (i, attrname) |
|
330 | self.displayattr = (i, attrname) | |
353 | break |
|
331 | break | |
354 | pos += self.colwidths[attrname]+1 |
|
332 | pos += self.colwidths[attrname]+1 | |
355 | else: |
|
333 | else: | |
356 | self.displayattr = (None, ipipe.noitem) |
|
334 | self.displayattr = (None, ipipe.noitem) | |
357 |
|
335 | |||
358 | def moveto(self, x, y, refresh=False): |
|
336 | def moveto(self, x, y, refresh=False): | |
359 | # Move the cursor to the position ``(x,y)`` (in data coordinates, |
|
337 | # Move the cursor to the position ``(x,y)`` (in data coordinates, | |
360 | # not in screen coordinates). If ``refresh`` is true, all cached |
|
338 | # not in screen coordinates). If ``refresh`` is true, all cached | |
361 | # values will be recalculated (e.g. because the list has been |
|
339 | # values will be recalculated (e.g. because the list has been | |
362 | # resorted, so screen positions etc. are no longer valid). |
|
340 | # resorted, so screen positions etc. are no longer valid). | |
363 | olddatastarty = self.datastarty |
|
341 | olddatastarty = self.datastarty | |
364 | oldx = self.curx |
|
342 | oldx = self.curx | |
365 | oldy = self.cury |
|
343 | oldy = self.cury | |
366 | x = int(x+0.5) |
|
344 | x = int(x+0.5) | |
367 | y = int(y+0.5) |
|
345 | y = int(y+0.5) | |
368 | newx = x # remember where we wanted to move |
|
346 | newx = x # remember where we wanted to move | |
369 | newy = y # remember where we wanted to move |
|
347 | newy = y # remember where we wanted to move | |
370 |
|
348 | |||
371 | scrollbordery = min(self.browser.scrollbordery, self.mainsizey//2) |
|
349 | scrollbordery = min(self.browser.scrollbordery, self.mainsizey//2) | |
372 | scrollborderx = min(self.browser.scrollborderx, self.mainsizex//2) |
|
350 | scrollborderx = min(self.browser.scrollborderx, self.mainsizex//2) | |
373 |
|
351 | |||
374 | # Make sure that the cursor didn't leave the main area vertically |
|
352 | # Make sure that the cursor didn't leave the main area vertically | |
375 | if y < 0: |
|
353 | if y < 0: | |
376 | y = 0 |
|
354 | y = 0 | |
377 | self.fetch(y+scrollbordery+1) # try to get more items |
|
355 | self.fetch(y+scrollbordery+1) # try to get more items | |
378 | if y >= len(self.items): |
|
356 | if y >= len(self.items): | |
379 | y = max(0, len(self.items)-1) |
|
357 | y = max(0, len(self.items)-1) | |
380 |
|
358 | |||
381 | # Make sure that the cursor stays on screen vertically |
|
359 | # Make sure that the cursor stays on screen vertically | |
382 | if y < self.datastarty+scrollbordery: |
|
360 | if y < self.datastarty+scrollbordery: | |
383 | self.datastarty = max(0, y-scrollbordery) |
|
361 | self.datastarty = max(0, y-scrollbordery) | |
384 | elif y >= self.datastarty+self.mainsizey-scrollbordery: |
|
362 | elif y >= self.datastarty+self.mainsizey-scrollbordery: | |
385 | self.datastarty = max(0, min(y-self.mainsizey+scrollbordery+1, |
|
363 | self.datastarty = max(0, min(y-self.mainsizey+scrollbordery+1, | |
386 | len(self.items)-self.mainsizey)) |
|
364 | len(self.items)-self.mainsizey)) | |
387 |
|
365 | |||
388 | if refresh: # Do we need to refresh the complete display? |
|
366 | if refresh: # Do we need to refresh the complete display? | |
389 | self.calcdisplayattrs() |
|
367 | self.calcdisplayattrs() | |
390 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
368 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
391 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) |
|
369 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) | |
392 | self.calcwidths() |
|
370 | self.calcwidths() | |
393 | # Did we scroll vertically => update displayrows |
|
371 | # Did we scroll vertically => update displayrows | |
394 | # and various other attributes |
|
372 | # and various other attributes | |
395 | elif self.datastarty != olddatastarty: |
|
373 | elif self.datastarty != olddatastarty: | |
396 | # Recalculate which attributes we have to display |
|
374 | # Recalculate which attributes we have to display | |
397 | olddisplayattrs = self.displayattrs |
|
375 | olddisplayattrs = self.displayattrs | |
398 | self.calcdisplayattrs() |
|
376 | self.calcdisplayattrs() | |
399 | # If there are new attributes, recreate the cache |
|
377 | # If there are new attributes, recreate the cache | |
400 | if self.displayattrs != olddisplayattrs: |
|
378 | if self.displayattrs != olddisplayattrs: | |
401 | endy = min(self.datastarty+self.mainsizey, len(self.items)) |
|
379 | endy = min(self.datastarty+self.mainsizey, len(self.items)) | |
402 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) |
|
380 | self.displayrows = map(self.getrow, xrange(self.datastarty, endy)) | |
403 | elif self.datastarty<olddatastarty: # we did scroll up |
|
381 | elif self.datastarty<olddatastarty: # we did scroll up | |
404 | # drop rows from the end |
|
382 | # drop rows from the end | |
405 | del self.displayrows[self.datastarty-olddatastarty:] |
|
383 | del self.displayrows[self.datastarty-olddatastarty:] | |
406 | # fetch new items |
|
384 | # fetch new items | |
407 | for i in xrange(olddatastarty-1, |
|
385 | for i in xrange(olddatastarty-1, | |
408 | self.datastarty-1, -1): |
|
386 | self.datastarty-1, -1): | |
409 | try: |
|
387 | try: | |
410 | row = self.getrow(i) |
|
388 | row = self.getrow(i) | |
411 | except IndexError: |
|
389 | except IndexError: | |
412 | # we didn't have enough objects to fill the screen |
|
390 | # we didn't have enough objects to fill the screen | |
413 | break |
|
391 | break | |
414 | self.displayrows.insert(0, row) |
|
392 | self.displayrows.insert(0, row) | |
415 | else: # we did scroll down |
|
393 | else: # we did scroll down | |
416 | # drop rows from the start |
|
394 | # drop rows from the start | |
417 | del self.displayrows[:self.datastarty-olddatastarty] |
|
395 | del self.displayrows[:self.datastarty-olddatastarty] | |
418 | # fetch new items |
|
396 | # fetch new items | |
419 | for i in xrange(olddatastarty+self.mainsizey, |
|
397 | for i in xrange(olddatastarty+self.mainsizey, | |
420 | self.datastarty+self.mainsizey): |
|
398 | self.datastarty+self.mainsizey): | |
421 | try: |
|
399 | try: | |
422 | row = self.getrow(i) |
|
400 | row = self.getrow(i) | |
423 | except IndexError: |
|
401 | except IndexError: | |
424 | # we didn't have enough objects to fill the screen |
|
402 | # we didn't have enough objects to fill the screen | |
425 | break |
|
403 | break | |
426 | self.displayrows.append(row) |
|
404 | self.displayrows.append(row) | |
427 | self.calcwidths() |
|
405 | self.calcwidths() | |
428 |
|
406 | |||
429 | # Make sure that the cursor didn't leave the data area horizontally |
|
407 | # Make sure that the cursor didn't leave the data area horizontally | |
430 | if x < 0: |
|
408 | if x < 0: | |
431 | x = 0 |
|
409 | x = 0 | |
432 | elif x >= self.datasizex: |
|
410 | elif x >= self.datasizex: | |
433 | x = max(0, self.datasizex-1) |
|
411 | x = max(0, self.datasizex-1) | |
434 |
|
412 | |||
435 | # Make sure that the cursor stays on screen horizontally |
|
413 | # Make sure that the cursor stays on screen horizontally | |
436 | if x < self.datastartx+scrollborderx: |
|
414 | if x < self.datastartx+scrollborderx: | |
437 | self.datastartx = max(0, x-scrollborderx) |
|
415 | self.datastartx = max(0, x-scrollborderx) | |
438 | elif x >= self.datastartx+self.mainsizex-scrollborderx: |
|
416 | elif x >= self.datastartx+self.mainsizex-scrollborderx: | |
439 | self.datastartx = max(0, min(x-self.mainsizex+scrollborderx+1, |
|
417 | self.datastartx = max(0, min(x-self.mainsizex+scrollborderx+1, | |
440 | self.datasizex-self.mainsizex)) |
|
418 | self.datasizex-self.mainsizex)) | |
441 |
|
419 | |||
442 | if x == oldx and y == oldy and (x != newx or y != newy): # couldn't move |
|
420 | if x == oldx and y == oldy and (x != newx or y != newy): # couldn't move | |
443 | self.browser.beep() |
|
421 | self.browser.beep() | |
444 | else: |
|
422 | else: | |
445 | self.curx = x |
|
423 | self.curx = x | |
446 | self.cury = y |
|
424 | self.cury = y | |
447 | self.calcdisplayattr() |
|
425 | self.calcdisplayattr() | |
448 |
|
426 | |||
449 | def sort(self, key, reverse=False): |
|
427 | def sort(self, key, reverse=False): | |
450 | """ |
|
428 | """ | |
451 | Sort the currently list of items using the key function ``key``. If |
|
429 | Sort the currently list of items using the key function ``key``. If | |
452 | ``reverse`` is true the sort order is reversed. |
|
430 | ``reverse`` is true the sort order is reversed. | |
453 | """ |
|
431 | """ | |
454 | curitem = self.items[self.cury] # Remember where the cursor is now |
|
432 | curitem = self.items[self.cury] # Remember where the cursor is now | |
455 |
|
433 | |||
456 | # Sort items |
|
434 | # Sort items | |
457 | def realkey(item): |
|
435 | def realkey(item): | |
458 | return key(item.item) |
|
436 | return key(item.item) | |
459 | self.items = ipipe.deque(sorted(self.items, key=realkey, reverse=reverse)) |
|
437 | self.items = ipipe.deque(sorted(self.items, key=realkey, reverse=reverse)) | |
460 |
|
438 | |||
461 | # Find out where the object under the cursor went |
|
439 | # Find out where the object under the cursor went | |
462 | cury = self.cury |
|
440 | cury = self.cury | |
463 | for (i, item) in enumerate(self.items): |
|
441 | for (i, item) in enumerate(self.items): | |
464 | if item is curitem: |
|
442 | if item is curitem: | |
465 | cury = i |
|
443 | cury = i | |
466 | break |
|
444 | break | |
467 |
|
445 | |||
468 | self.moveto(self.curx, cury, refresh=True) |
|
446 | self.moveto(self.curx, cury, refresh=True) | |
469 |
|
447 | |||
470 |
|
448 | |||
471 | class ibrowse(ipipe.Display): |
|
449 | class ibrowse(ipipe.Display): | |
472 | # Show this many lines from the previous screen when paging horizontally |
|
450 | # Show this many lines from the previous screen when paging horizontally | |
473 | pageoverlapx = 1 |
|
451 | pageoverlapx = 1 | |
474 |
|
452 | |||
475 | # Show this many lines from the previous screen when paging vertically |
|
453 | # Show this many lines from the previous screen when paging vertically | |
476 | pageoverlapy = 1 |
|
454 | pageoverlapy = 1 | |
477 |
|
455 | |||
478 | # Start scrolling when the cursor is less than this number of columns |
|
456 | # Start scrolling when the cursor is less than this number of columns | |
479 | # away from the left or right screen edge |
|
457 | # away from the left or right screen edge | |
480 | scrollborderx = 10 |
|
458 | scrollborderx = 10 | |
481 |
|
459 | |||
482 | # Start scrolling when the cursor is less than this number of lines |
|
460 | # Start scrolling when the cursor is less than this number of lines | |
483 | # away from the top or bottom screen edge |
|
461 | # away from the top or bottom screen edge | |
484 | scrollbordery = 5 |
|
462 | scrollbordery = 5 | |
485 |
|
463 | |||
486 | # Accelerate by this factor when scrolling horizontally |
|
464 | # Accelerate by this factor when scrolling horizontally | |
487 | acceleratex = 1.05 |
|
465 | acceleratex = 1.05 | |
488 |
|
466 | |||
489 | # Accelerate by this factor when scrolling vertically |
|
467 | # Accelerate by this factor when scrolling vertically | |
490 | acceleratey = 1.05 |
|
468 | acceleratey = 1.05 | |
491 |
|
469 | |||
492 | # The maximum horizontal scroll speed |
|
470 | # The maximum horizontal scroll speed | |
493 | # (as a factor of the screen width (i.e. 0.5 == half a screen width) |
|
471 | # (as a factor of the screen width (i.e. 0.5 == half a screen width) | |
494 | maxspeedx = 0.5 |
|
472 | maxspeedx = 0.5 | |
495 |
|
473 | |||
496 | # The maximum vertical scroll speed |
|
474 | # The maximum vertical scroll speed | |
497 | # (as a factor of the screen height (i.e. 0.5 == half a screen height) |
|
475 | # (as a factor of the screen height (i.e. 0.5 == half a screen height) | |
498 | maxspeedy = 0.5 |
|
476 | maxspeedy = 0.5 | |
499 |
|
477 | |||
500 | # The maximum number of header lines for browser level |
|
478 | # The maximum number of header lines for browser level | |
501 | # if the nesting is deeper, only the innermost levels are displayed |
|
479 | # if the nesting is deeper, only the innermost levels are displayed | |
502 | maxheaders = 5 |
|
480 | maxheaders = 5 | |
503 |
|
481 | |||
504 | # The approximate maximum length of a column entry |
|
482 | # The approximate maximum length of a column entry | |
505 | maxattrlength = 200 |
|
483 | maxattrlength = 200 | |
506 |
|
484 | |||
507 | # Styles for various parts of the GUI |
|
485 | # Styles for various parts of the GUI | |
508 | style_objheadertext = astyle.Style.fromstr("white:black:bold|reverse") |
|
486 | style_objheadertext = astyle.Style.fromstr("white:black:bold|reverse") | |
509 | style_objheadernumber = astyle.Style.fromstr("white:blue:bold|reverse") |
|
487 | style_objheadernumber = astyle.Style.fromstr("white:blue:bold|reverse") | |
510 | style_objheaderobject = astyle.Style.fromstr("white:black:reverse") |
|
488 | style_objheaderobject = astyle.Style.fromstr("white:black:reverse") | |
511 | style_colheader = astyle.Style.fromstr("blue:white:reverse") |
|
489 | style_colheader = astyle.Style.fromstr("blue:white:reverse") | |
512 | style_colheaderhere = astyle.Style.fromstr("green:black:bold|reverse") |
|
490 | style_colheaderhere = astyle.Style.fromstr("green:black:bold|reverse") | |
513 | style_colheadersep = astyle.Style.fromstr("blue:black:reverse") |
|
491 | style_colheadersep = astyle.Style.fromstr("blue:black:reverse") | |
514 | style_number = astyle.Style.fromstr("blue:white:reverse") |
|
492 | style_number = astyle.Style.fromstr("blue:white:reverse") | |
515 | style_numberhere = astyle.Style.fromstr("green:black:bold|reverse") |
|
493 | style_numberhere = astyle.Style.fromstr("green:black:bold|reverse") | |
516 | style_sep = astyle.Style.fromstr("blue:black") |
|
494 | style_sep = astyle.Style.fromstr("blue:black") | |
517 | style_data = astyle.Style.fromstr("white:black") |
|
495 | style_data = astyle.Style.fromstr("white:black") | |
518 | style_datapad = astyle.Style.fromstr("blue:black:bold") |
|
496 | style_datapad = astyle.Style.fromstr("blue:black:bold") | |
519 | style_footer = astyle.Style.fromstr("black:white") |
|
497 | style_footer = astyle.Style.fromstr("black:white") | |
520 | style_report = astyle.Style.fromstr("white:black") |
|
498 | style_report = astyle.Style.fromstr("white:black") | |
521 |
|
499 | |||
522 | # Column separator in header |
|
500 | # Column separator in header | |
523 | headersepchar = "|" |
|
501 | headersepchar = "|" | |
524 |
|
502 | |||
525 | # Character for padding data cell entries |
|
503 | # Character for padding data cell entries | |
526 | datapadchar = "." |
|
504 | datapadchar = "." | |
527 |
|
505 | |||
528 | # Column separator in data area |
|
506 | # Column separator in data area | |
529 | datasepchar = "|" |
|
507 | datasepchar = "|" | |
530 |
|
508 | |||
531 | # Character to use for "empty" cell (i.e. for non-existing attributes) |
|
509 | # Character to use for "empty" cell (i.e. for non-existing attributes) | |
532 | nodatachar = "-" |
|
510 | nodatachar = "-" | |
533 |
|
511 | |||
534 | # Prompts for modes that require keyboard input |
|
512 | # Prompts for modes that require keyboard input | |
535 | prompts = { |
|
513 | prompts = { | |
536 | "goto": "goto object #: ", |
|
514 | "goto": "goto object #: ", | |
537 | "find": "find expression: ", |
|
515 | "find": "find expression: ", | |
538 | "findbackwards": "find backwards expression: " |
|
516 | "findbackwards": "find backwards expression: " | |
539 | } |
|
517 | } | |
540 |
|
518 | |||
541 | # Maps curses key codes to "function" names |
|
519 | # Maps curses key codes to "function" names | |
542 | keymap = { |
|
520 | keymap = { | |
543 | ord("q"): "quit", |
|
521 | ord("q"): "quit", | |
544 | curses.KEY_UP: "up", |
|
522 | curses.KEY_UP: "up", | |
545 | curses.KEY_DOWN: "down", |
|
523 | curses.KEY_DOWN: "down", | |
546 | curses.KEY_PPAGE: "pageup", |
|
524 | curses.KEY_PPAGE: "pageup", | |
547 | curses.KEY_NPAGE: "pagedown", |
|
525 | curses.KEY_NPAGE: "pagedown", | |
548 | curses.KEY_LEFT: "left", |
|
526 | curses.KEY_LEFT: "left", | |
549 | curses.KEY_RIGHT: "right", |
|
527 | curses.KEY_RIGHT: "right", | |
550 | curses.KEY_HOME: "home", |
|
528 | curses.KEY_HOME: "home", | |
551 | curses.KEY_END: "end", |
|
529 | curses.KEY_END: "end", | |
552 | ord("<"): "prevattr", |
|
530 | ord("<"): "prevattr", | |
553 | 0x1b: "prevattr", # SHIFT-TAB |
|
531 | 0x1b: "prevattr", # SHIFT-TAB | |
554 | ord(">"): "nextattr", |
|
532 | ord(">"): "nextattr", | |
555 | ord("\t"):"nextattr", # TAB |
|
533 | ord("\t"):"nextattr", # TAB | |
556 | ord("p"): "pick", |
|
534 | ord("p"): "pick", | |
557 | ord("P"): "pickattr", |
|
535 | ord("P"): "pickattr", | |
558 | ord("C"): "pickallattrs", |
|
536 | ord("C"): "pickallattrs", | |
559 | ord("m"): "pickmarked", |
|
537 | ord("m"): "pickmarked", | |
560 | ord("M"): "pickmarkedattr", |
|
538 | ord("M"): "pickmarkedattr", | |
561 | ord("\n"): "enterdefault", |
|
539 | ord("\n"): "enterdefault", | |
562 | # FIXME: What's happening here? |
|
540 | # FIXME: What's happening here? | |
563 | 8: "leave", |
|
541 | 8: "leave", | |
564 | 127: "leave", |
|
542 | 127: "leave", | |
565 | curses.KEY_BACKSPACE: "leave", |
|
543 | curses.KEY_BACKSPACE: "leave", | |
566 | ord("x"): "leave", |
|
544 | ord("x"): "leave", | |
567 | ord("h"): "help", |
|
545 | ord("h"): "help", | |
568 | ord("e"): "enter", |
|
546 | ord("e"): "enter", | |
569 | ord("E"): "enterattr", |
|
547 | ord("E"): "enterattr", | |
570 | ord("d"): "detail", |
|
548 | ord("d"): "detail", | |
571 | ord("D"): "detailattr", |
|
549 | ord("D"): "detailattr", | |
572 | ord(" "): "tooglemark", |
|
550 | ord(" "): "tooglemark", | |
573 | ord("r"): "markrange", |
|
551 | ord("r"): "markrange", | |
574 | ord("v"): "sortattrasc", |
|
552 | ord("v"): "sortattrasc", | |
575 | ord("V"): "sortattrdesc", |
|
553 | ord("V"): "sortattrdesc", | |
576 | ord("g"): "goto", |
|
554 | ord("g"): "goto", | |
577 | ord("f"): "find", |
|
555 | ord("f"): "find", | |
578 | ord("b"): "findbackwards", |
|
556 | ord("b"): "findbackwards", | |
579 | } |
|
557 | } | |
580 |
|
558 | |||
581 | def __init__(self, *attrs): |
|
559 | def __init__(self, *attrs): | |
582 | """ |
|
560 | """ | |
583 | Create a new browser. If ``attrs`` is not empty, it is the list |
|
561 | Create a new browser. If ``attrs`` is not empty, it is the list | |
584 | of attributes that will be displayed in the browser, otherwise |
|
562 | of attributes that will be displayed in the browser, otherwise | |
585 | these will be determined by the objects on screen. |
|
563 | these will be determined by the objects on screen. | |
586 | """ |
|
564 | """ | |
587 | self.attrs = attrs |
|
565 | self.attrs = attrs | |
588 |
|
566 | |||
589 | # Stack of browser levels |
|
567 | # Stack of browser levels | |
590 | self.levels = [] |
|
568 | self.levels = [] | |
591 | # how many colums to scroll (Changes when accelerating) |
|
569 | # how many colums to scroll (Changes when accelerating) | |
592 | self.stepx = 1. |
|
570 | self.stepx = 1. | |
593 |
|
571 | |||
594 | # how many rows to scroll (Changes when accelerating) |
|
572 | # how many rows to scroll (Changes when accelerating) | |
595 | self.stepy = 1. |
|
573 | self.stepy = 1. | |
596 |
|
574 | |||
597 | # Beep on the edges of the data area? (Will be set to ``False`` |
|
575 | # Beep on the edges of the data area? (Will be set to ``False`` | |
598 | # once the cursor hits the edge of the screen, so we don't get |
|
576 | # once the cursor hits the edge of the screen, so we don't get | |
599 | # multiple beeps). |
|
577 | # multiple beeps). | |
600 | self._dobeep = True |
|
578 | self._dobeep = True | |
601 |
|
579 | |||
602 | # Cache for registered ``curses`` colors and styles. |
|
580 | # Cache for registered ``curses`` colors and styles. | |
603 | self._styles = {} |
|
581 | self._styles = {} | |
604 | self._colors = {} |
|
582 | self._colors = {} | |
605 | self._maxcolor = 1 |
|
583 | self._maxcolor = 1 | |
606 |
|
584 | |||
607 | # How many header lines do we want to paint (the numbers of levels |
|
585 | # How many header lines do we want to paint (the numbers of levels | |
608 | # we have, but with an upper bound) |
|
586 | # we have, but with an upper bound) | |
609 | self._headerlines = 1 |
|
587 | self._headerlines = 1 | |
610 |
|
588 | |||
611 | # Index of first header line |
|
589 | # Index of first header line | |
612 | self._firstheaderline = 0 |
|
590 | self._firstheaderline = 0 | |
613 |
|
591 | |||
614 | # curses window |
|
592 | # curses window | |
615 | self.scr = None |
|
593 | self.scr = None | |
616 | # report in the footer line (error, executed command etc.) |
|
594 | # report in the footer line (error, executed command etc.) | |
617 | self._report = None |
|
595 | self._report = None | |
618 |
|
596 | |||
619 | # value to be returned to the caller (set by commands) |
|
597 | # value to be returned to the caller (set by commands) | |
620 | self.returnvalue = None |
|
598 | self.returnvalue = None | |
621 |
|
599 | |||
622 | # The mode the browser is in |
|
600 | # The mode the browser is in | |
623 | # e.g. normal browsing or entering an argument for a command |
|
601 | # e.g. normal browsing or entering an argument for a command | |
624 | self.mode = "default" |
|
602 | self.mode = "default" | |
625 |
|
603 | |||
626 | # The partially entered row number for the goto command |
|
604 | # The partially entered row number for the goto command | |
627 | self.goto = "" |
|
605 | self.goto = "" | |
628 |
|
606 | |||
629 | def nextstepx(self, step): |
|
607 | def nextstepx(self, step): | |
630 | """ |
|
608 | """ | |
631 | Accelerate horizontally. |
|
609 | Accelerate horizontally. | |
632 | """ |
|
610 | """ | |
633 | return max(1., min(step*self.acceleratex, |
|
611 | return max(1., min(step*self.acceleratex, | |
634 | self.maxspeedx*self.levels[-1].mainsizex)) |
|
612 | self.maxspeedx*self.levels[-1].mainsizex)) | |
635 |
|
613 | |||
636 | def nextstepy(self, step): |
|
614 | def nextstepy(self, step): | |
637 | """ |
|
615 | """ | |
638 | Accelerate vertically. |
|
616 | Accelerate vertically. | |
639 | """ |
|
617 | """ | |
640 | return max(1., min(step*self.acceleratey, |
|
618 | return max(1., min(step*self.acceleratey, | |
641 | self.maxspeedy*self.levels[-1].mainsizey)) |
|
619 | self.maxspeedy*self.levels[-1].mainsizey)) | |
642 |
|
620 | |||
643 | def getstyle(self, style): |
|
621 | def getstyle(self, style): | |
644 | """ |
|
622 | """ | |
645 | Register the ``style`` with ``curses`` or get it from the cache, |
|
623 | Register the ``style`` with ``curses`` or get it from the cache, | |
646 | if it has been registered before. |
|
624 | if it has been registered before. | |
647 | """ |
|
625 | """ | |
648 | try: |
|
626 | try: | |
649 | return self._styles[style.fg, style.bg, style.attrs] |
|
627 | return self._styles[style.fg, style.bg, style.attrs] | |
650 | except KeyError: |
|
628 | except KeyError: | |
651 | attrs = 0 |
|
629 | attrs = 0 | |
652 | for b in astyle.A2CURSES: |
|
630 | for b in astyle.A2CURSES: | |
653 | if style.attrs & b: |
|
631 | if style.attrs & b: | |
654 | attrs |= astyle.A2CURSES[b] |
|
632 | attrs |= astyle.A2CURSES[b] | |
655 | try: |
|
633 | try: | |
656 | color = self._colors[style.fg, style.bg] |
|
634 | color = self._colors[style.fg, style.bg] | |
657 | except KeyError: |
|
635 | except KeyError: | |
658 | curses.init_pair( |
|
636 | curses.init_pair( | |
659 | self._maxcolor, |
|
637 | self._maxcolor, | |
660 | astyle.COLOR2CURSES[style.fg], |
|
638 | astyle.COLOR2CURSES[style.fg], | |
661 | astyle.COLOR2CURSES[style.bg] |
|
639 | astyle.COLOR2CURSES[style.bg] | |
662 | ) |
|
640 | ) | |
663 | color = curses.color_pair(self._maxcolor) |
|
641 | color = curses.color_pair(self._maxcolor) | |
664 | self._colors[style.fg, style.bg] = color |
|
642 | self._colors[style.fg, style.bg] = color | |
665 | self._maxcolor += 1 |
|
643 | self._maxcolor += 1 | |
666 | c = color | attrs |
|
644 | c = color | attrs | |
667 | self._styles[style.fg, style.bg, style.attrs] = c |
|
645 | self._styles[style.fg, style.bg, style.attrs] = c | |
668 | return c |
|
646 | return c | |
669 |
|
647 | |||
670 | def addstr(self, y, x, begx, endx, text, style): |
|
648 | def addstr(self, y, x, begx, endx, text, style): | |
671 | """ |
|
649 | """ | |
672 | A version of ``curses.addstr()`` that can handle ``x`` coordinates |
|
650 | A version of ``curses.addstr()`` that can handle ``x`` coordinates | |
673 | that are outside the screen. |
|
651 | that are outside the screen. | |
674 | """ |
|
652 | """ | |
675 | text2 = text[max(0, begx-x):max(0, endx-x)] |
|
653 | text2 = text[max(0, begx-x):max(0, endx-x)] | |
676 | if text2: |
|
654 | if text2: | |
677 | self.scr.addstr(y, max(x, begx), text2, self.getstyle(style)) |
|
655 | self.scr.addstr(y, max(x, begx), text2, self.getstyle(style)) | |
678 | return len(text) |
|
656 | return len(text) | |
679 |
|
657 | |||
680 | def addchr(self, y, x, begx, endx, c, l, style): |
|
658 | def addchr(self, y, x, begx, endx, c, l, style): | |
681 | x0 = max(x, begx) |
|
659 | x0 = max(x, begx) | |
682 | x1 = min(x+l, endx) |
|
660 | x1 = min(x+l, endx) | |
683 | if x1>x0: |
|
661 | if x1>x0: | |
684 | self.scr.addstr(y, x0, c*(x1-x0), self.getstyle(style)) |
|
662 | self.scr.addstr(y, x0, c*(x1-x0), self.getstyle(style)) | |
685 | return l |
|
663 | return l | |
686 |
|
664 | |||
687 | def _calcheaderlines(self, levels): |
|
665 | def _calcheaderlines(self, levels): | |
688 | # Calculate how many headerlines do we have to display, if we have |
|
666 | # Calculate how many headerlines do we have to display, if we have | |
689 | # ``levels`` browser levels |
|
667 | # ``levels`` browser levels | |
690 | if levels is None: |
|
668 | if levels is None: | |
691 | levels = len(self.levels) |
|
669 | levels = len(self.levels) | |
692 | self._headerlines = min(self.maxheaders, levels) |
|
670 | self._headerlines = min(self.maxheaders, levels) | |
693 | self._firstheaderline = levels-self._headerlines |
|
671 | self._firstheaderline = levels-self._headerlines | |
694 |
|
672 | |||
695 | def getstylehere(self, style): |
|
673 | def getstylehere(self, style): | |
696 | """ |
|
674 | """ | |
697 | Return a style for displaying the original style ``style`` |
|
675 | Return a style for displaying the original style ``style`` | |
698 | in the row the cursor is on. |
|
676 | in the row the cursor is on. | |
699 | """ |
|
677 | """ | |
700 | return astyle.Style(style.fg, style.bg, style.attrs | astyle.A_BOLD) |
|
678 | return astyle.Style(style.fg, style.bg, style.attrs | astyle.A_BOLD) | |
701 |
|
679 | |||
702 | def report(self, msg): |
|
680 | def report(self, msg): | |
703 | """ |
|
681 | """ | |
704 | Store the message ``msg`` for display below the footer line. This |
|
682 | Store the message ``msg`` for display below the footer line. This | |
705 | will be displayed as soon as the screen is redrawn. |
|
683 | will be displayed as soon as the screen is redrawn. | |
706 | """ |
|
684 | """ | |
707 | self._report = msg |
|
685 | self._report = msg | |
708 |
|
686 | |||
709 | def enter(self, item, mode, *attrs): |
|
687 | def enter(self, item, mode, *attrs): | |
710 | """ |
|
688 | """ | |
711 | Enter the object ``item`` in the mode ``mode``. If ``attrs`` is |
|
689 | Enter the object ``item`` in the mode ``mode``. If ``attrs`` is | |
712 | specified, it will be used as a fixed list of attributes to display. |
|
690 | specified, it will be used as a fixed list of attributes to display. | |
713 | """ |
|
691 | """ | |
714 | try: |
|
692 | try: | |
715 | iterator = ipipe.xiter(item, mode) |
|
693 | iterator = ipipe.xiter(item, mode) | |
716 | except (KeyboardInterrupt, SystemExit): |
|
694 | except (KeyboardInterrupt, SystemExit): | |
717 | raise |
|
695 | raise | |
718 | except Exception, exc: |
|
696 | except Exception, exc: | |
719 | curses.beep() |
|
697 | curses.beep() | |
720 | self.report(exc) |
|
698 | self.report(exc) | |
721 | else: |
|
699 | else: | |
722 | self._calcheaderlines(len(self.levels)+1) |
|
700 | self._calcheaderlines(len(self.levels)+1) | |
723 | level = _BrowserLevel( |
|
701 | level = _BrowserLevel( | |
724 | self, |
|
702 | self, | |
725 | item, |
|
703 | item, | |
726 | iterator, |
|
704 | iterator, | |
727 | self.scrsizey-1-self._headerlines-2, |
|
705 | self.scrsizey-1-self._headerlines-2, | |
728 | *attrs |
|
706 | *attrs | |
729 | ) |
|
707 | ) | |
730 | self.levels.append(level) |
|
708 | self.levels.append(level) | |
731 |
|
709 | |||
732 | def startkeyboardinput(self, mode): |
|
710 | def startkeyboardinput(self, mode): | |
733 | """ |
|
711 | """ | |
734 | Enter mode ``mode``, which requires keyboard input. |
|
712 | Enter mode ``mode``, which requires keyboard input. | |
735 | """ |
|
713 | """ | |
736 | self.mode = mode |
|
714 | self.mode = mode | |
737 | self.keyboardinput = "" |
|
715 | self.keyboardinput = "" | |
738 | self.cursorpos = 0 |
|
716 | self.cursorpos = 0 | |
739 |
|
717 | |||
740 | def executekeyboardinput(self, mode): |
|
718 | def executekeyboardinput(self, mode): | |
741 | exe = getattr(self, "exe_%s" % mode, None) |
|
719 | exe = getattr(self, "exe_%s" % mode, None) | |
742 | if exe is not None: |
|
720 | if exe is not None: | |
743 | exe() |
|
721 | exe() | |
744 | self.mode = "default" |
|
722 | self.mode = "default" | |
745 |
|
723 | |||
746 | def keylabel(self, keycode): |
|
724 | def keylabel(self, keycode): | |
747 | """ |
|
725 | """ | |
748 | Return a pretty name for the ``curses`` key ``keycode`` (used in the |
|
726 | Return a pretty name for the ``curses`` key ``keycode`` (used in the | |
749 | help screen and in reports about unassigned keys). |
|
727 | help screen and in reports about unassigned keys). | |
750 | """ |
|
728 | """ | |
751 | if keycode <= 0xff: |
|
729 | if keycode <= 0xff: | |
752 | specialsnames = { |
|
730 | specialsnames = { | |
753 | ord("\n"): "RETURN", |
|
731 | ord("\n"): "RETURN", | |
754 | ord(" "): "SPACE", |
|
732 | ord(" "): "SPACE", | |
755 | ord("\t"): "TAB", |
|
733 | ord("\t"): "TAB", | |
756 | ord("\x7f"): "DELETE", |
|
734 | ord("\x7f"): "DELETE", | |
757 | ord("\x08"): "BACKSPACE", |
|
735 | ord("\x08"): "BACKSPACE", | |
758 | } |
|
736 | } | |
759 | if keycode in specialsnames: |
|
737 | if keycode in specialsnames: | |
760 | return specialsnames[keycode] |
|
738 | return specialsnames[keycode] | |
761 | return repr(chr(keycode)) |
|
739 | return repr(chr(keycode)) | |
762 | for name in dir(curses): |
|
740 | for name in dir(curses): | |
763 | if name.startswith("KEY_") and getattr(curses, name) == keycode: |
|
741 | if name.startswith("KEY_") and getattr(curses, name) == keycode: | |
764 | return name |
|
742 | return name | |
765 | return str(keycode) |
|
743 | return str(keycode) | |
766 |
|
744 | |||
767 | def beep(self, force=False): |
|
745 | def beep(self, force=False): | |
768 | if force or self._dobeep: |
|
746 | if force or self._dobeep: | |
769 | curses.beep() |
|
747 | curses.beep() | |
770 | # don't beep again (as long as the same key is pressed) |
|
748 | # don't beep again (as long as the same key is pressed) | |
771 | self._dobeep = False |
|
749 | self._dobeep = False | |
772 |
|
750 | |||
773 | def cmd_quit(self): |
|
751 | def cmd_quit(self): | |
774 | self.returnvalue = None |
|
752 | self.returnvalue = None | |
775 | return True |
|
753 | return True | |
776 |
|
754 | |||
777 | def cmd_up(self): |
|
755 | def cmd_up(self): | |
778 | level = self.levels[-1] |
|
756 | level = self.levels[-1] | |
779 | self.report("up") |
|
757 | self.report("up") | |
780 | level.moveto(level.curx, level.cury-self.stepy) |
|
758 | level.moveto(level.curx, level.cury-self.stepy) | |
781 |
|
759 | |||
782 | def cmd_down(self): |
|
760 | def cmd_down(self): | |
783 | level = self.levels[-1] |
|
761 | level = self.levels[-1] | |
784 | self.report("down") |
|
762 | self.report("down") | |
785 | level.moveto(level.curx, level.cury+self.stepy) |
|
763 | level.moveto(level.curx, level.cury+self.stepy) | |
786 |
|
764 | |||
787 | def cmd_pageup(self): |
|
765 | def cmd_pageup(self): | |
788 | level = self.levels[-1] |
|
766 | level = self.levels[-1] | |
789 | self.report("page up") |
|
767 | self.report("page up") | |
790 | level.moveto(level.curx, level.cury-level.mainsizey+self.pageoverlapy) |
|
768 | level.moveto(level.curx, level.cury-level.mainsizey+self.pageoverlapy) | |
791 |
|
769 | |||
792 | def cmd_pagedown(self): |
|
770 | def cmd_pagedown(self): | |
793 | level = self.levels[-1] |
|
771 | level = self.levels[-1] | |
794 | self.report("page down") |
|
772 | self.report("page down") | |
795 | level.moveto(level.curx, level.cury+level.mainsizey-self.pageoverlapy) |
|
773 | level.moveto(level.curx, level.cury+level.mainsizey-self.pageoverlapy) | |
796 |
|
774 | |||
797 | def cmd_left(self): |
|
775 | def cmd_left(self): | |
798 | level = self.levels[-1] |
|
776 | level = self.levels[-1] | |
799 | self.report("left") |
|
777 | self.report("left") | |
800 | level.moveto(level.curx-self.stepx, level.cury) |
|
778 | level.moveto(level.curx-self.stepx, level.cury) | |
801 |
|
779 | |||
802 | def cmd_right(self): |
|
780 | def cmd_right(self): | |
803 | level = self.levels[-1] |
|
781 | level = self.levels[-1] | |
804 | self.report("right") |
|
782 | self.report("right") | |
805 | level.moveto(level.curx+self.stepx, level.cury) |
|
783 | level.moveto(level.curx+self.stepx, level.cury) | |
806 |
|
784 | |||
807 | def cmd_home(self): |
|
785 | def cmd_home(self): | |
808 | level = self.levels[-1] |
|
786 | level = self.levels[-1] | |
809 | self.report("home") |
|
787 | self.report("home") | |
810 | level.moveto(0, level.cury) |
|
788 | level.moveto(0, level.cury) | |
811 |
|
789 | |||
812 | def cmd_end(self): |
|
790 | def cmd_end(self): | |
813 | level = self.levels[-1] |
|
791 | level = self.levels[-1] | |
814 | self.report("end") |
|
792 | self.report("end") | |
815 | level.moveto(level.datasizex+level.mainsizey-self.pageoverlapx, level.cury) |
|
793 | level.moveto(level.datasizex+level.mainsizey-self.pageoverlapx, level.cury) | |
816 |
|
794 | |||
817 | def cmd_prevattr(self): |
|
795 | def cmd_prevattr(self): | |
818 | level = self.levels[-1] |
|
796 | level = self.levels[-1] | |
819 | if level.displayattr[0] is None or level.displayattr[0] == 0: |
|
797 | if level.displayattr[0] is None or level.displayattr[0] == 0: | |
820 | self.beep() |
|
798 | self.beep() | |
821 | else: |
|
799 | else: | |
822 | self.report("prevattr") |
|
800 | self.report("prevattr") | |
823 | pos = 0 |
|
801 | pos = 0 | |
824 | for (i, attrname) in enumerate(level.displayattrs): |
|
802 | for (i, attrname) in enumerate(level.displayattrs): | |
825 | if i == level.displayattr[0]-1: |
|
803 | if i == level.displayattr[0]-1: | |
826 | break |
|
804 | break | |
827 | pos += level.colwidths[attrname] + 1 |
|
805 | pos += level.colwidths[attrname] + 1 | |
828 | level.moveto(pos, level.cury) |
|
806 | level.moveto(pos, level.cury) | |
829 |
|
807 | |||
830 | def cmd_nextattr(self): |
|
808 | def cmd_nextattr(self): | |
831 | level = self.levels[-1] |
|
809 | level = self.levels[-1] | |
832 | if level.displayattr[0] is None or level.displayattr[0] == len(level.displayattrs)-1: |
|
810 | if level.displayattr[0] is None or level.displayattr[0] == len(level.displayattrs)-1: | |
833 | self.beep() |
|
811 | self.beep() | |
834 | else: |
|
812 | else: | |
835 | self.report("nextattr") |
|
813 | self.report("nextattr") | |
836 | pos = 0 |
|
814 | pos = 0 | |
837 | for (i, attrname) in enumerate(level.displayattrs): |
|
815 | for (i, attrname) in enumerate(level.displayattrs): | |
838 | if i == level.displayattr[0]+1: |
|
816 | if i == level.displayattr[0]+1: | |
839 | break |
|
817 | break | |
840 | pos += level.colwidths[attrname] + 1 |
|
818 | pos += level.colwidths[attrname] + 1 | |
841 | level.moveto(pos, level.cury) |
|
819 | level.moveto(pos, level.cury) | |
842 |
|
820 | |||
843 | def cmd_pick(self): |
|
821 | def cmd_pick(self): | |
844 | level = self.levels[-1] |
|
822 | level = self.levels[-1] | |
845 | self.returnvalue = level.items[level.cury].item |
|
823 | self.returnvalue = level.items[level.cury].item | |
846 | return True |
|
824 | return True | |
847 |
|
825 | |||
848 | def cmd_pickattr(self): |
|
826 | def cmd_pickattr(self): | |
849 | level = self.levels[-1] |
|
827 | level = self.levels[-1] | |
850 | attrname = level.displayattr[1] |
|
828 | attrname = level.displayattr[1] | |
851 | if attrname is ipipe.noitem: |
|
829 | if attrname is ipipe.noitem: | |
852 | curses.beep() |
|
830 | curses.beep() | |
853 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
831 | self.report(AttributeError(ipipe._attrname(attrname))) | |
854 | return |
|
832 | return | |
855 | attr = ipipe._getattr(level.items[level.cury].item, attrname) |
|
833 | attr = ipipe._getattr(level.items[level.cury].item, attrname) | |
856 | if attr is ipipe.noitem: |
|
834 | if attr is ipipe.noitem: | |
857 | curses.beep() |
|
835 | curses.beep() | |
858 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
836 | self.report(AttributeError(ipipe._attrname(attrname))) | |
859 | else: |
|
837 | else: | |
860 | self.returnvalue = attr |
|
838 | self.returnvalue = attr | |
861 | return True |
|
839 | return True | |
862 |
|
840 | |||
863 | def cmd_pickallattrs(self): |
|
841 | def cmd_pickallattrs(self): | |
864 | level = self.levels[-1] |
|
842 | level = self.levels[-1] | |
865 | attrname = level.displayattr[1] |
|
843 | attrname = level.displayattr[1] | |
866 | if attrname is ipipe.noitem: |
|
844 | if attrname is ipipe.noitem: | |
867 | curses.beep() |
|
845 | curses.beep() | |
868 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
846 | self.report(AttributeError(ipipe._attrname(attrname))) | |
869 | return |
|
847 | return | |
870 | result = [] |
|
848 | result = [] | |
871 | for cache in level.items: |
|
849 | for cache in level.items: | |
872 | attr = ipipe._getattr(cache.item, attrname) |
|
850 | attr = ipipe._getattr(cache.item, attrname) | |
873 | if attr is not ipipe.noitem: |
|
851 | if attr is not ipipe.noitem: | |
874 | result.append(attr) |
|
852 | result.append(attr) | |
875 | self.returnvalue = result |
|
853 | self.returnvalue = result | |
876 | return True |
|
854 | return True | |
877 |
|
855 | |||
878 | def cmd_pickmarked(self): |
|
856 | def cmd_pickmarked(self): | |
879 | level = self.levels[-1] |
|
857 | level = self.levels[-1] | |
880 | self.returnvalue = [cache.item for cache in level.items if cache.marked] |
|
858 | self.returnvalue = [cache.item for cache in level.items if cache.marked] | |
881 | return True |
|
859 | return True | |
882 |
|
860 | |||
883 | def cmd_pickmarkedattr(self): |
|
861 | def cmd_pickmarkedattr(self): | |
884 | level = self.levels[-1] |
|
862 | level = self.levels[-1] | |
885 | attrname = level.displayattr[1] |
|
863 | attrname = level.displayattr[1] | |
886 | if attrname is ipipe.noitem: |
|
864 | if attrname is ipipe.noitem: | |
887 | curses.beep() |
|
865 | curses.beep() | |
888 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
866 | self.report(AttributeError(ipipe._attrname(attrname))) | |
889 | return |
|
867 | return | |
890 | result = [] |
|
868 | result = [] | |
891 | for cache in level.items: |
|
869 | for cache in level.items: | |
892 | if cache.marked: |
|
870 | if cache.marked: | |
893 | attr = ipipe._getattr(cache.item, attrname) |
|
871 | attr = ipipe._getattr(cache.item, attrname) | |
894 | if attr is not ipipe.noitem: |
|
872 | if attr is not ipipe.noitem: | |
895 | result.append(attr) |
|
873 | result.append(attr) | |
896 | self.returnvalue = result |
|
874 | self.returnvalue = result | |
897 | return True |
|
875 | return True | |
898 |
|
876 | |||
899 | def cmd_markrange(self): |
|
877 | def cmd_markrange(self): | |
900 | level = self.levels[-1] |
|
878 | level = self.levels[-1] | |
901 | self.report("markrange") |
|
879 | self.report("markrange") | |
902 | start = None |
|
880 | start = None | |
903 | if level.items: |
|
881 | if level.items: | |
904 | for i in xrange(level.cury, -1, -1): |
|
882 | for i in xrange(level.cury, -1, -1): | |
905 | if level.items[i].marked: |
|
883 | if level.items[i].marked: | |
906 | start = i |
|
884 | start = i | |
907 | break |
|
885 | break | |
908 | if start is None: |
|
886 | if start is None: | |
909 | self.report(CommandError("no mark before cursor")) |
|
887 | self.report(CommandError("no mark before cursor")) | |
910 | curses.beep() |
|
888 | curses.beep() | |
911 | else: |
|
889 | else: | |
912 | for i in xrange(start, level.cury+1): |
|
890 | for i in xrange(start, level.cury+1): | |
913 | cache = level.items[i] |
|
891 | cache = level.items[i] | |
914 | if not cache.marked: |
|
892 | if not cache.marked: | |
915 | cache.marked = True |
|
893 | cache.marked = True | |
916 | level.marked += 1 |
|
894 | level.marked += 1 | |
917 |
|
895 | |||
918 | def cmd_enterdefault(self): |
|
896 | def cmd_enterdefault(self): | |
919 | level = self.levels[-1] |
|
897 | level = self.levels[-1] | |
920 | try: |
|
898 | try: | |
921 | item = level.items[level.cury].item |
|
899 | item = level.items[level.cury].item | |
922 | except IndexError: |
|
900 | except IndexError: | |
923 | self.report(CommandError("No object")) |
|
901 | self.report(CommandError("No object")) | |
924 | curses.beep() |
|
902 | curses.beep() | |
925 | else: |
|
903 | else: | |
926 | self.report("entering object (default mode)...") |
|
904 | self.report("entering object (default mode)...") | |
927 | self.enter(item, "default") |
|
905 | self.enter(item, "default") | |
928 |
|
906 | |||
929 | def cmd_leave(self): |
|
907 | def cmd_leave(self): | |
930 | self.report("leave") |
|
908 | self.report("leave") | |
931 | if len(self.levels) > 1: |
|
909 | if len(self.levels) > 1: | |
932 | self._calcheaderlines(len(self.levels)-1) |
|
910 | self._calcheaderlines(len(self.levels)-1) | |
933 | self.levels.pop(-1) |
|
911 | self.levels.pop(-1) | |
934 | else: |
|
912 | else: | |
935 | self.report(CommandError("This is the last level")) |
|
913 | self.report(CommandError("This is the last level")) | |
936 | curses.beep() |
|
914 | curses.beep() | |
937 |
|
915 | |||
938 | def cmd_enter(self): |
|
916 | def cmd_enter(self): | |
939 | level = self.levels[-1] |
|
917 | level = self.levels[-1] | |
940 | try: |
|
918 | try: | |
941 | item = level.items[level.cury].item |
|
919 | item = level.items[level.cury].item | |
942 | except IndexError: |
|
920 | except IndexError: | |
943 | self.report(CommandError("No object")) |
|
921 | self.report(CommandError("No object")) | |
944 | curses.beep() |
|
922 | curses.beep() | |
945 | else: |
|
923 | else: | |
946 | self.report("entering object...") |
|
924 | self.report("entering object...") | |
947 | self.enter(item, None) |
|
925 | self.enter(item, None) | |
948 |
|
926 | |||
949 | def cmd_enterattr(self): |
|
927 | def cmd_enterattr(self): | |
950 | level = self.levels[-1] |
|
928 | level = self.levels[-1] | |
951 | attrname = level.displayattr[1] |
|
929 | attrname = level.displayattr[1] | |
952 | if attrname is ipipe.noitem: |
|
930 | if attrname is ipipe.noitem: | |
953 | curses.beep() |
|
931 | curses.beep() | |
954 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
932 | self.report(AttributeError(ipipe._attrname(attrname))) | |
955 | return |
|
933 | return | |
956 | try: |
|
934 | try: | |
957 | item = level.items[level.cury].item |
|
935 | item = level.items[level.cury].item | |
958 | except IndexError: |
|
936 | except IndexError: | |
959 | self.report(CommandError("No object")) |
|
937 | self.report(CommandError("No object")) | |
960 | curses.beep() |
|
938 | curses.beep() | |
961 | else: |
|
939 | else: | |
962 | attr = ipipe._getattr(item, attrname) |
|
940 | attr = ipipe._getattr(item, attrname) | |
963 | if attr is ipipe.noitem: |
|
941 | if attr is ipipe.noitem: | |
964 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
942 | self.report(AttributeError(ipipe._attrname(attrname))) | |
965 | else: |
|
943 | else: | |
966 | self.report("entering object attribute %s..." % ipipe._attrname(attrname)) |
|
944 | self.report("entering object attribute %s..." % ipipe._attrname(attrname)) | |
967 | self.enter(attr, None) |
|
945 | self.enter(attr, None) | |
968 |
|
946 | |||
969 | def cmd_detail(self): |
|
947 | def cmd_detail(self): | |
970 | level = self.levels[-1] |
|
948 | level = self.levels[-1] | |
971 | try: |
|
949 | try: | |
972 | item = level.items[level.cury].item |
|
950 | item = level.items[level.cury].item | |
973 | except IndexError: |
|
951 | except IndexError: | |
974 | self.report(CommandError("No object")) |
|
952 | self.report(CommandError("No object")) | |
975 | curses.beep() |
|
953 | curses.beep() | |
976 | else: |
|
954 | else: | |
977 | self.report("entering detail view for object...") |
|
955 | self.report("entering detail view for object...") | |
978 | self.enter(item, "detail") |
|
956 | self.enter(item, "detail") | |
979 |
|
957 | |||
980 | def cmd_detailattr(self): |
|
958 | def cmd_detailattr(self): | |
981 | level = self.levels[-1] |
|
959 | level = self.levels[-1] | |
982 | attrname = level.displayattr[1] |
|
960 | attrname = level.displayattr[1] | |
983 | if attrname is ipipe.noitem: |
|
961 | if attrname is ipipe.noitem: | |
984 | curses.beep() |
|
962 | curses.beep() | |
985 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
963 | self.report(AttributeError(ipipe._attrname(attrname))) | |
986 | return |
|
964 | return | |
987 | try: |
|
965 | try: | |
988 | item = level.items[level.cury].item |
|
966 | item = level.items[level.cury].item | |
989 | except IndexError: |
|
967 | except IndexError: | |
990 | self.report(CommandError("No object")) |
|
968 | self.report(CommandError("No object")) | |
991 | curses.beep() |
|
969 | curses.beep() | |
992 | else: |
|
970 | else: | |
993 | attr = ipipe._getattr(item, attrname) |
|
971 | attr = ipipe._getattr(item, attrname) | |
994 | if attr is ipipe.noitem: |
|
972 | if attr is ipipe.noitem: | |
995 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
973 | self.report(AttributeError(ipipe._attrname(attrname))) | |
996 | else: |
|
974 | else: | |
997 | self.report("entering detail view for attribute...") |
|
975 | self.report("entering detail view for attribute...") | |
998 | self.enter(attr, "detail") |
|
976 | self.enter(attr, "detail") | |
999 |
|
977 | |||
1000 | def cmd_tooglemark(self): |
|
978 | def cmd_tooglemark(self): | |
1001 | level = self.levels[-1] |
|
979 | level = self.levels[-1] | |
1002 | self.report("toggle mark") |
|
980 | self.report("toggle mark") | |
1003 | try: |
|
981 | try: | |
1004 | item = level.items[level.cury] |
|
982 | item = level.items[level.cury] | |
1005 | except IndexError: # no items? |
|
983 | except IndexError: # no items? | |
1006 | pass |
|
984 | pass | |
1007 | else: |
|
985 | else: | |
1008 | if item.marked: |
|
986 | if item.marked: | |
1009 | item.marked = False |
|
987 | item.marked = False | |
1010 | level.marked -= 1 |
|
988 | level.marked -= 1 | |
1011 | else: |
|
989 | else: | |
1012 | item.marked = True |
|
990 | item.marked = True | |
1013 | level.marked += 1 |
|
991 | level.marked += 1 | |
1014 |
|
992 | |||
1015 | def cmd_sortattrasc(self): |
|
993 | def cmd_sortattrasc(self): | |
1016 | level = self.levels[-1] |
|
994 | level = self.levels[-1] | |
1017 | attrname = level.displayattr[1] |
|
995 | attrname = level.displayattr[1] | |
1018 | if attrname is ipipe.noitem: |
|
996 | if attrname is ipipe.noitem: | |
1019 | curses.beep() |
|
997 | curses.beep() | |
1020 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
998 | self.report(AttributeError(ipipe._attrname(attrname))) | |
1021 | return |
|
999 | return | |
1022 | self.report("sort by %s (ascending)" % ipipe._attrname(attrname)) |
|
1000 | self.report("sort by %s (ascending)" % ipipe._attrname(attrname)) | |
1023 | def key(item): |
|
1001 | def key(item): | |
1024 | try: |
|
1002 | try: | |
1025 | return ipipe._getattr(item, attrname, None) |
|
1003 | return ipipe._getattr(item, attrname, None) | |
1026 | except (KeyboardInterrupt, SystemExit): |
|
1004 | except (KeyboardInterrupt, SystemExit): | |
1027 | raise |
|
1005 | raise | |
1028 | except Exception: |
|
1006 | except Exception: | |
1029 | return None |
|
1007 | return None | |
1030 | level.sort(key) |
|
1008 | level.sort(key) | |
1031 |
|
1009 | |||
1032 | def cmd_sortattrdesc(self): |
|
1010 | def cmd_sortattrdesc(self): | |
1033 | level = self.levels[-1] |
|
1011 | level = self.levels[-1] | |
1034 | attrname = level.displayattr[1] |
|
1012 | attrname = level.displayattr[1] | |
1035 | if attrname is ipipe.noitem: |
|
1013 | if attrname is ipipe.noitem: | |
1036 | curses.beep() |
|
1014 | curses.beep() | |
1037 | self.report(AttributeError(ipipe._attrname(attrname))) |
|
1015 | self.report(AttributeError(ipipe._attrname(attrname))) | |
1038 | return |
|
1016 | return | |
1039 | self.report("sort by %s (descending)" % ipipe._attrname(attrname)) |
|
1017 | self.report("sort by %s (descending)" % ipipe._attrname(attrname)) | |
1040 | def key(item): |
|
1018 | def key(item): | |
1041 | try: |
|
1019 | try: | |
1042 | return ipipe._getattr(item, attrname, None) |
|
1020 | return ipipe._getattr(item, attrname, None) | |
1043 | except (KeyboardInterrupt, SystemExit): |
|
1021 | except (KeyboardInterrupt, SystemExit): | |
1044 | raise |
|
1022 | raise | |
1045 | except Exception: |
|
1023 | except Exception: | |
1046 | return None |
|
1024 | return None | |
1047 | level.sort(key, reverse=True) |
|
1025 | level.sort(key, reverse=True) | |
1048 |
|
1026 | |||
1049 | def cmd_goto(self): |
|
1027 | def cmd_goto(self): | |
1050 | self.startkeyboardinput("goto") |
|
1028 | self.startkeyboardinput("goto") | |
1051 |
|
1029 | |||
1052 | def exe_goto(self): |
|
1030 | def exe_goto(self): | |
1053 | level = self.levels[-1] |
|
1031 | level = self.levels[-1] | |
1054 | if self.keyboardinput: |
|
1032 | if self.keyboardinput: | |
1055 | level.moveto(level.curx, int(self.keyboardinput)) |
|
1033 | level.moveto(level.curx, int(self.keyboardinput)) | |
1056 |
|
1034 | |||
1057 | def cmd_find(self): |
|
1035 | def cmd_find(self): | |
1058 | self.startkeyboardinput("find") |
|
1036 | self.startkeyboardinput("find") | |
1059 |
|
1037 | |||
1060 | def exe_find(self): |
|
1038 | def exe_find(self): | |
1061 | level = self.levels[-1] |
|
1039 | level = self.levels[-1] | |
1062 | if self.keyboardinput: |
|
1040 | if self.keyboardinput: | |
1063 | while True: |
|
1041 | while True: | |
1064 | cury = level.cury |
|
1042 | cury = level.cury | |
1065 | level.moveto(level.curx, cury+1) |
|
1043 | level.moveto(level.curx, cury+1) | |
1066 | if cury == level.cury: |
|
1044 | if cury == level.cury: | |
1067 | curses.beep() |
|
1045 | curses.beep() | |
1068 | break |
|
1046 | break | |
1069 | item = level.items[level.cury].item |
|
1047 | item = level.items[level.cury].item | |
1070 | try: |
|
1048 | try: | |
1071 | if eval(self.keyboardinput, globals(), ipipe.AttrNamespace(item)): |
|
1049 | if eval(self.keyboardinput, globals(), ipipe.AttrNamespace(item)): | |
1072 | break |
|
1050 | break | |
1073 | except (KeyboardInterrupt, SystemExit): |
|
1051 | except (KeyboardInterrupt, SystemExit): | |
1074 | raise |
|
1052 | raise | |
1075 | except Exception, exc: |
|
1053 | except Exception, exc: | |
1076 | self.report(exc) |
|
1054 | self.report(exc) | |
1077 | curses.beep() |
|
1055 | curses.beep() | |
1078 | break # break on error |
|
1056 | break # break on error | |
1079 |
|
1057 | |||
1080 | def cmd_findbackwards(self): |
|
1058 | def cmd_findbackwards(self): | |
1081 | self.startkeyboardinput("findbackwards") |
|
1059 | self.startkeyboardinput("findbackwards") | |
1082 |
|
1060 | |||
1083 | def exe_findbackwards(self): |
|
1061 | def exe_findbackwards(self): | |
1084 | level = self.levels[-1] |
|
1062 | level = self.levels[-1] | |
1085 | if self.keyboardinput: |
|
1063 | if self.keyboardinput: | |
1086 | while level.cury: |
|
1064 | while level.cury: | |
1087 | level.moveto(level.curx, level.cury-1) |
|
1065 | level.moveto(level.curx, level.cury-1) | |
1088 | item = level.items[level.cury].item |
|
1066 | item = level.items[level.cury].item | |
1089 | try: |
|
1067 | try: | |
1090 | if eval(self.keyboardinput, globals(), ipipe.AttrNamespace(item)): |
|
1068 | if eval(self.keyboardinput, globals(), ipipe.AttrNamespace(item)): | |
1091 | break |
|
1069 | break | |
1092 | except (KeyboardInterrupt, SystemExit): |
|
1070 | except (KeyboardInterrupt, SystemExit): | |
1093 | raise |
|
1071 | raise | |
1094 | except Exception, exc: |
|
1072 | except Exception, exc: | |
1095 | self.report(exc) |
|
1073 | self.report(exc) | |
1096 | curses.beep() |
|
1074 | curses.beep() | |
1097 | break # break on error |
|
1075 | break # break on error | |
1098 | else: |
|
1076 | else: | |
1099 | curses.beep() |
|
1077 | curses.beep() | |
1100 |
|
1078 | |||
1101 | def cmd_help(self): |
|
1079 | def cmd_help(self): | |
1102 | """ |
|
1080 | """ | |
1103 | The help command |
|
1081 | The help command | |
1104 | """ |
|
1082 | """ | |
1105 | for level in self.levels: |
|
1083 | for level in self.levels: | |
1106 | if isinstance(level.input, _BrowserHelp): |
|
1084 | if isinstance(level.input, _BrowserHelp): | |
1107 | curses.beep() |
|
1085 | curses.beep() | |
1108 | self.report(CommandError("help already active")) |
|
1086 | self.report(CommandError("help already active")) | |
1109 | return |
|
1087 | return | |
1110 |
|
1088 | |||
1111 | self.enter(_BrowserHelp(self), "default") |
|
1089 | self.enter(_BrowserHelp(self), "default") | |
1112 |
|
1090 | |||
1113 | def _dodisplay(self, scr): |
|
1091 | def _dodisplay(self, scr): | |
1114 | """ |
|
1092 | """ | |
1115 | This method is the workhorse of the browser. It handles screen |
|
1093 | This method is the workhorse of the browser. It handles screen | |
1116 | drawing and the keyboard. |
|
1094 | drawing and the keyboard. | |
1117 | """ |
|
1095 | """ | |
1118 | self.scr = scr |
|
1096 | self.scr = scr | |
1119 | curses.halfdelay(1) |
|
1097 | curses.halfdelay(1) | |
1120 | footery = 2 |
|
1098 | footery = 2 | |
1121 |
|
1099 | |||
1122 | keys = [] |
|
1100 | keys = [] | |
1123 | for (key, cmd) in self.keymap.iteritems(): |
|
1101 | for (key, cmd) in self.keymap.iteritems(): | |
1124 | if cmd == "quit": |
|
1102 | if cmd == "quit": | |
1125 | keys.append("%s=%s" % (self.keylabel(key), cmd)) |
|
1103 | keys.append("%s=%s" % (self.keylabel(key), cmd)) | |
1126 | for (key, cmd) in self.keymap.iteritems(): |
|
1104 | for (key, cmd) in self.keymap.iteritems(): | |
1127 | if cmd == "help": |
|
1105 | if cmd == "help": | |
1128 | keys.append("%s=%s" % (self.keylabel(key), cmd)) |
|
1106 | keys.append("%s=%s" % (self.keylabel(key), cmd)) | |
1129 | helpmsg = " | %s" % " ".join(keys) |
|
1107 | helpmsg = " | %s" % " ".join(keys) | |
1130 |
|
1108 | |||
1131 | scr.clear() |
|
1109 | scr.clear() | |
1132 | msg = "Fetching first batch of objects..." |
|
1110 | msg = "Fetching first batch of objects..." | |
1133 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() |
|
1111 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() | |
1134 | scr.addstr(self.scrsizey//2, (self.scrsizex-len(msg))//2, msg) |
|
1112 | scr.addstr(self.scrsizey//2, (self.scrsizex-len(msg))//2, msg) | |
1135 | scr.refresh() |
|
1113 | scr.refresh() | |
1136 |
|
1114 | |||
1137 | lastc = -1 |
|
1115 | lastc = -1 | |
1138 |
|
1116 | |||
1139 | self.levels = [] |
|
1117 | self.levels = [] | |
1140 | # enter the first level |
|
1118 | # enter the first level | |
1141 | self.enter(self.input, ipipe.xiter(self.input, "default"), *self.attrs) |
|
1119 | self.enter(self.input, ipipe.xiter(self.input, "default"), *self.attrs) | |
1142 |
|
1120 | |||
1143 | self._calcheaderlines(None) |
|
1121 | self._calcheaderlines(None) | |
1144 |
|
1122 | |||
1145 | while True: |
|
1123 | while True: | |
1146 | level = self.levels[-1] |
|
1124 | level = self.levels[-1] | |
1147 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() |
|
1125 | (self.scrsizey, self.scrsizex) = scr.getmaxyx() | |
1148 | level.mainsizey = self.scrsizey-1-self._headerlines-footery |
|
1126 | level.mainsizey = self.scrsizey-1-self._headerlines-footery | |
1149 |
|
1127 | |||
1150 | # Paint object header |
|
1128 | # Paint object header | |
1151 | for i in xrange(self._firstheaderline, self._firstheaderline+self._headerlines): |
|
1129 | for i in xrange(self._firstheaderline, self._firstheaderline+self._headerlines): | |
1152 | lv = self.levels[i] |
|
1130 | lv = self.levels[i] | |
1153 | posx = 0 |
|
1131 | posx = 0 | |
1154 | posy = i-self._firstheaderline |
|
1132 | posy = i-self._firstheaderline | |
1155 | endx = self.scrsizex |
|
1133 | endx = self.scrsizex | |
1156 | if i: # not the first level |
|
1134 | if i: # not the first level | |
1157 | msg = " (%d/%d" % (self.levels[i-1].cury, len(self.levels[i-1].items)) |
|
1135 | msg = " (%d/%d" % (self.levels[i-1].cury, len(self.levels[i-1].items)) | |
1158 | if not self.levels[i-1].exhausted: |
|
1136 | if not self.levels[i-1].exhausted: | |
1159 | msg += "+" |
|
1137 | msg += "+" | |
1160 | msg += ") " |
|
1138 | msg += ") " | |
1161 | endx -= len(msg)+1 |
|
1139 | endx -= len(msg)+1 | |
1162 | posx += self.addstr(posy, posx, 0, endx, " ibrowse #%d: " % i, self.style_objheadertext) |
|
1140 | posx += self.addstr(posy, posx, 0, endx, " ibrowse #%d: " % i, self.style_objheadertext) | |
1163 | for (style, text) in lv.header: |
|
1141 | for (style, text) in lv.header: | |
1164 | posx += self.addstr(posy, posx, 0, endx, text, self.style_objheaderobject) |
|
1142 | posx += self.addstr(posy, posx, 0, endx, text, self.style_objheaderobject) | |
1165 | if posx >= endx: |
|
1143 | if posx >= endx: | |
1166 | break |
|
1144 | break | |
1167 | if i: |
|
1145 | if i: | |
1168 | posx += self.addstr(posy, posx, 0, self.scrsizex, msg, self.style_objheadernumber) |
|
1146 | posx += self.addstr(posy, posx, 0, self.scrsizex, msg, self.style_objheadernumber) | |
1169 | posx += self.addchr(posy, posx, 0, self.scrsizex, " ", self.scrsizex-posx, self.style_objheadernumber) |
|
1147 | posx += self.addchr(posy, posx, 0, self.scrsizex, " ", self.scrsizex-posx, self.style_objheadernumber) | |
1170 |
|
1148 | |||
1171 | if not level.items: |
|
1149 | if not level.items: | |
1172 | self.addchr(self._headerlines, 0, 0, self.scrsizex, " ", self.scrsizex, self.style_colheader) |
|
1150 | self.addchr(self._headerlines, 0, 0, self.scrsizex, " ", self.scrsizex, self.style_colheader) | |
1173 | self.addstr(self._headerlines+1, 0, 0, self.scrsizex, " <empty>", astyle.style_error) |
|
1151 | self.addstr(self._headerlines+1, 0, 0, self.scrsizex, " <empty>", astyle.style_error) | |
1174 | scr.clrtobot() |
|
1152 | scr.clrtobot() | |
1175 | else: |
|
1153 | else: | |
1176 | # Paint column headers |
|
1154 | # Paint column headers | |
1177 | scr.move(self._headerlines, 0) |
|
1155 | scr.move(self._headerlines, 0) | |
1178 | scr.addstr(" %*s " % (level.numbersizex, "#"), self.getstyle(self.style_colheader)) |
|
1156 | scr.addstr(" %*s " % (level.numbersizex, "#"), self.getstyle(self.style_colheader)) | |
1179 | scr.addstr(self.headersepchar, self.getstyle(self.style_colheadersep)) |
|
1157 | scr.addstr(self.headersepchar, self.getstyle(self.style_colheadersep)) | |
1180 | begx = level.numbersizex+3 |
|
1158 | begx = level.numbersizex+3 | |
1181 | posx = begx-level.datastartx |
|
1159 | posx = begx-level.datastartx | |
1182 | for attrname in level.displayattrs: |
|
1160 | for attrname in level.displayattrs: | |
1183 | strattrname = ipipe._attrname(attrname) |
|
1161 | strattrname = ipipe._attrname(attrname) | |
1184 | cwidth = level.colwidths[attrname] |
|
1162 | cwidth = level.colwidths[attrname] | |
1185 | header = strattrname.ljust(cwidth) |
|
1163 | header = strattrname.ljust(cwidth) | |
1186 | if attrname == level.displayattr[1]: |
|
1164 | if attrname == level.displayattr[1]: | |
1187 | style = self.style_colheaderhere |
|
1165 | style = self.style_colheaderhere | |
1188 | else: |
|
1166 | else: | |
1189 | style = self.style_colheader |
|
1167 | style = self.style_colheader | |
1190 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, header, style) |
|
1168 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, header, style) | |
1191 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, self.headersepchar, self.style_colheadersep) |
|
1169 | posx += self.addstr(self._headerlines, posx, begx, self.scrsizex, self.headersepchar, self.style_colheadersep) | |
1192 | if posx >= self.scrsizex: |
|
1170 | if posx >= self.scrsizex: | |
1193 | break |
|
1171 | break | |
1194 | else: |
|
1172 | else: | |
1195 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_colheader)) |
|
1173 | scr.addstr(" "*(self.scrsizex-posx), self.getstyle(self.style_colheader)) | |
1196 |
|
1174 | |||
1197 | # Paint rows |
|
1175 | # Paint rows | |
1198 | posy = self._headerlines+1+level.datastarty |
|
1176 | posy = self._headerlines+1+level.datastarty | |
1199 | for i in xrange(level.datastarty, min(level.datastarty+level.mainsizey, len(level.items))): |
|
1177 | for i in xrange(level.datastarty, min(level.datastarty+level.mainsizey, len(level.items))): | |
1200 | cache = level.items[i] |
|
1178 | cache = level.items[i] | |
1201 | if i == level.cury: |
|
1179 | if i == level.cury: | |
1202 | style = self.style_numberhere |
|
1180 | style = self.style_numberhere | |
1203 | else: |
|
1181 | else: | |
1204 | style = self.style_number |
|
1182 | style = self.style_number | |
1205 |
|
1183 | |||
1206 | posy = self._headerlines+1+i-level.datastarty |
|
1184 | posy = self._headerlines+1+i-level.datastarty | |
1207 | posx = begx-level.datastartx |
|
1185 | posx = begx-level.datastartx | |
1208 |
|
1186 | |||
1209 | scr.move(posy, 0) |
|
1187 | scr.move(posy, 0) | |
1210 | scr.addstr(" %*d%s" % (level.numbersizex, i, " !"[cache.marked]), self.getstyle(style)) |
|
1188 | scr.addstr(" %*d%s" % (level.numbersizex, i, " !"[cache.marked]), self.getstyle(style)) | |
1211 | scr.addstr(self.headersepchar, self.getstyle(self.style_sep)) |
|
1189 | scr.addstr(self.headersepchar, self.getstyle(self.style_sep)) | |
1212 |
|
1190 | |||
1213 | for attrname in level.displayattrs: |
|
1191 | for attrname in level.displayattrs: | |
1214 | cwidth = level.colwidths[attrname] |
|
1192 | cwidth = level.colwidths[attrname] | |
1215 | try: |
|
1193 | try: | |
1216 | (align, length, parts) = level.displayrows[i-level.datastarty][attrname] |
|
1194 | (align, length, parts) = level.displayrows[i-level.datastarty][attrname] | |
1217 | except KeyError: |
|
1195 | except KeyError: | |
1218 | align = 2 |
|
1196 | align = 2 | |
1219 | style = astyle.style_nodata |
|
1197 | style = astyle.style_nodata | |
1220 | padstyle = self.style_datapad |
|
1198 | padstyle = self.style_datapad | |
1221 | sepstyle = self.style_sep |
|
1199 | sepstyle = self.style_sep | |
1222 | if i == level.cury: |
|
1200 | if i == level.cury: | |
1223 | padstyle = self.getstylehere(padstyle) |
|
1201 | padstyle = self.getstylehere(padstyle) | |
1224 | sepstyle = self.getstylehere(sepstyle) |
|
1202 | sepstyle = self.getstylehere(sepstyle) | |
1225 | if align == 2: |
|
1203 | if align == 2: | |
1226 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.nodatachar, cwidth, style) |
|
1204 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.nodatachar, cwidth, style) | |
1227 | else: |
|
1205 | else: | |
1228 | if align == 1: |
|
1206 | if align == 1: | |
1229 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) |
|
1207 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) | |
1230 | elif align == 0: |
|
1208 | elif align == 0: | |
1231 | pad1 = (cwidth-length)//2 |
|
1209 | pad1 = (cwidth-length)//2 | |
1232 | pad2 = cwidth-length-len(pad1) |
|
1210 | pad2 = cwidth-length-len(pad1) | |
1233 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad1, padstyle) |
|
1211 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad1, padstyle) | |
1234 | for (style, text) in parts: |
|
1212 | for (style, text) in parts: | |
1235 | if i == level.cury: |
|
1213 | if i == level.cury: | |
1236 | style = self.getstylehere(style) |
|
1214 | style = self.getstylehere(style) | |
1237 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) |
|
1215 | posx += self.addstr(posy, posx, begx, self.scrsizex, text, style) | |
1238 | if posx >= self.scrsizex: |
|
1216 | if posx >= self.scrsizex: | |
1239 | break |
|
1217 | break | |
1240 | if align == -1: |
|
1218 | if align == -1: | |
1241 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) |
|
1219 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, cwidth-length, padstyle) | |
1242 | elif align == 0: |
|
1220 | elif align == 0: | |
1243 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad2, padstyle) |
|
1221 | posx += self.addchr(posy, posx, begx, self.scrsizex, self.datapadchar, pad2, padstyle) | |
1244 | posx += self.addstr(posy, posx, begx, self.scrsizex, self.datasepchar, sepstyle) |
|
1222 | posx += self.addstr(posy, posx, begx, self.scrsizex, self.datasepchar, sepstyle) | |
1245 | else: |
|
1223 | else: | |
1246 | scr.clrtoeol() |
|
1224 | scr.clrtoeol() | |
1247 |
|
1225 | |||
1248 | # Add blank row headers for the rest of the screen |
|
1226 | # Add blank row headers for the rest of the screen | |
1249 | for posy in xrange(posy+1, self.scrsizey-2): |
|
1227 | for posy in xrange(posy+1, self.scrsizey-2): | |
1250 | scr.addstr(posy, 0, " " * (level.numbersizex+2), self.getstyle(self.style_colheader)) |
|
1228 | scr.addstr(posy, 0, " " * (level.numbersizex+2), self.getstyle(self.style_colheader)) | |
1251 | scr.clrtoeol() |
|
1229 | scr.clrtoeol() | |
1252 |
|
1230 | |||
1253 | posy = self.scrsizey-footery |
|
1231 | posy = self.scrsizey-footery | |
1254 | # Display footer |
|
1232 | # Display footer | |
1255 | scr.addstr(posy, 0, " "*self.scrsizex, self.getstyle(self.style_footer)) |
|
1233 | scr.addstr(posy, 0, " "*self.scrsizex, self.getstyle(self.style_footer)) | |
1256 |
|
1234 | |||
1257 | if level.exhausted: |
|
1235 | if level.exhausted: | |
1258 | flag = "" |
|
1236 | flag = "" | |
1259 | else: |
|
1237 | else: | |
1260 | flag = "+" |
|
1238 | flag = "+" | |
1261 |
|
1239 | |||
1262 | endx = self.scrsizex-len(helpmsg)-1 |
|
1240 | endx = self.scrsizex-len(helpmsg)-1 | |
1263 | scr.addstr(posy, endx, helpmsg, self.getstyle(self.style_footer)) |
|
1241 | scr.addstr(posy, endx, helpmsg, self.getstyle(self.style_footer)) | |
1264 |
|
1242 | |||
1265 | posx = 0 |
|
1243 | posx = 0 | |
1266 | msg = " %d%s objects (%d marked): " % (len(level.items), flag, level.marked) |
|
1244 | msg = " %d%s objects (%d marked): " % (len(level.items), flag, level.marked) | |
1267 | posx += self.addstr(posy, posx, 0, endx, msg, self.style_footer) |
|
1245 | posx += self.addstr(posy, posx, 0, endx, msg, self.style_footer) | |
1268 | try: |
|
1246 | try: | |
1269 | item = level.items[level.cury].item |
|
1247 | item = level.items[level.cury].item | |
1270 | except IndexError: # empty |
|
1248 | except IndexError: # empty | |
1271 | pass |
|
1249 | pass | |
1272 | else: |
|
1250 | else: | |
1273 | for (nostyle, text) in ipipe.xrepr(item, "footer"): |
|
1251 | for (nostyle, text) in ipipe.xrepr(item, "footer"): | |
1274 | if not isinstance(nostyle, int): |
|
1252 | if not isinstance(nostyle, int): | |
1275 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) |
|
1253 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) | |
1276 | if posx >= endx: |
|
1254 | if posx >= endx: | |
1277 | break |
|
1255 | break | |
1278 |
|
1256 | |||
1279 | attrstyle = [(astyle.style_default, "no attribute")] |
|
1257 | attrstyle = [(astyle.style_default, "no attribute")] | |
1280 | attrname = level.displayattr[1] |
|
1258 | attrname = level.displayattr[1] | |
1281 | if attrname is not ipipe.noitem and attrname is not None: |
|
1259 | if attrname is not ipipe.noitem and attrname is not None: | |
1282 | posx += self.addstr(posy, posx, 0, endx, " | ", self.style_footer) |
|
1260 | posx += self.addstr(posy, posx, 0, endx, " | ", self.style_footer) | |
1283 | posx += self.addstr(posy, posx, 0, endx, ipipe._attrname(attrname), self.style_footer) |
|
1261 | posx += self.addstr(posy, posx, 0, endx, ipipe._attrname(attrname), self.style_footer) | |
1284 | posx += self.addstr(posy, posx, 0, endx, ": ", self.style_footer) |
|
1262 | posx += self.addstr(posy, posx, 0, endx, ": ", self.style_footer) | |
1285 | try: |
|
1263 | try: | |
1286 | attr = ipipe._getattr(item, attrname) |
|
1264 | attr = ipipe._getattr(item, attrname) | |
1287 | except (SystemExit, KeyboardInterrupt): |
|
1265 | except (SystemExit, KeyboardInterrupt): | |
1288 | raise |
|
1266 | raise | |
1289 | except Exception, exc: |
|
1267 | except Exception, exc: | |
1290 | attr = exc |
|
1268 | attr = exc | |
1291 | if attr is not ipipe.noitem: |
|
1269 | if attr is not ipipe.noitem: | |
1292 | attrstyle = ipipe.xrepr(attr, "footer") |
|
1270 | attrstyle = ipipe.xrepr(attr, "footer") | |
1293 | for (nostyle, text) in attrstyle: |
|
1271 | for (nostyle, text) in attrstyle: | |
1294 | if not isinstance(nostyle, int): |
|
1272 | if not isinstance(nostyle, int): | |
1295 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) |
|
1273 | posx += self.addstr(posy, posx, 0, endx, text, self.style_footer) | |
1296 | if posx >= endx: |
|
1274 | if posx >= endx: | |
1297 | break |
|
1275 | break | |
1298 |
|
1276 | |||
1299 | try: |
|
1277 | try: | |
1300 | # Display input prompt |
|
1278 | # Display input prompt | |
1301 | if self.mode in self.prompts: |
|
1279 | if self.mode in self.prompts: | |
1302 | scr.addstr(self.scrsizey-1, 0, |
|
1280 | scr.addstr(self.scrsizey-1, 0, | |
1303 | self.prompts[self.mode] + self.keyboardinput, |
|
1281 | self.prompts[self.mode] + self.keyboardinput, | |
1304 | self.getstyle(astyle.style_default)) |
|
1282 | self.getstyle(astyle.style_default)) | |
1305 | # Display report |
|
1283 | # Display report | |
1306 | else: |
|
1284 | else: | |
1307 | if self._report is not None: |
|
1285 | if self._report is not None: | |
1308 | if isinstance(self._report, Exception): |
|
1286 | if isinstance(self._report, Exception): | |
1309 | style = self.getstyle(astyle.style_error) |
|
1287 | style = self.getstyle(astyle.style_error) | |
1310 | if self._report.__class__.__module__ == "exceptions": |
|
1288 | if self._report.__class__.__module__ == "exceptions": | |
1311 | msg = "%s: %s" % \ |
|
1289 | msg = "%s: %s" % \ | |
1312 | (self._report.__class__.__name__, self._report) |
|
1290 | (self._report.__class__.__name__, self._report) | |
1313 | else: |
|
1291 | else: | |
1314 | msg = "%s.%s: %s" % \ |
|
1292 | msg = "%s.%s: %s" % \ | |
1315 | (self._report.__class__.__module__, |
|
1293 | (self._report.__class__.__module__, | |
1316 | self._report.__class__.__name__, self._report) |
|
1294 | self._report.__class__.__name__, self._report) | |
1317 | else: |
|
1295 | else: | |
1318 | style = self.getstyle(self.style_report) |
|
1296 | style = self.getstyle(self.style_report) | |
1319 | msg = self._report |
|
1297 | msg = self._report | |
1320 | scr.addstr(self.scrsizey-1, 0, msg[:self.scrsizex], style) |
|
1298 | scr.addstr(self.scrsizey-1, 0, msg[:self.scrsizex], style) | |
1321 | self._report = None |
|
1299 | self._report = None | |
1322 | else: |
|
1300 | else: | |
1323 | scr.move(self.scrsizey-1, 0) |
|
1301 | scr.move(self.scrsizey-1, 0) | |
1324 | except curses.error: |
|
1302 | except curses.error: | |
1325 | # Protect against error from writing to the last line |
|
1303 | # Protect against error from writing to the last line | |
1326 | pass |
|
1304 | pass | |
1327 | scr.clrtoeol() |
|
1305 | scr.clrtoeol() | |
1328 |
|
1306 | |||
1329 | # Position cursor |
|
1307 | # Position cursor | |
1330 | if self.mode in self.prompts: |
|
1308 | if self.mode in self.prompts: | |
1331 | scr.move(self.scrsizey-1, len(self.prompts[self.mode])+self.cursorpos) |
|
1309 | scr.move(self.scrsizey-1, len(self.prompts[self.mode])+self.cursorpos) | |
1332 | else: |
|
1310 | else: | |
1333 | scr.move( |
|
1311 | scr.move( | |
1334 | 1+self._headerlines+level.cury-level.datastarty, |
|
1312 | 1+self._headerlines+level.cury-level.datastarty, | |
1335 | level.numbersizex+3+level.curx-level.datastartx |
|
1313 | level.numbersizex+3+level.curx-level.datastartx | |
1336 | ) |
|
1314 | ) | |
1337 | scr.refresh() |
|
1315 | scr.refresh() | |
1338 |
|
1316 | |||
1339 | # Check keyboard |
|
1317 | # Check keyboard | |
1340 | while True: |
|
1318 | while True: | |
1341 | c = scr.getch() |
|
1319 | c = scr.getch() | |
1342 | if self.mode in self.prompts: |
|
1320 | if self.mode in self.prompts: | |
1343 | if c in (8, 127, curses.KEY_BACKSPACE): |
|
1321 | if c in (8, 127, curses.KEY_BACKSPACE): | |
1344 | if self.cursorpos: |
|
1322 | if self.cursorpos: | |
1345 | self.keyboardinput = self.keyboardinput[:self.cursorpos-1] + self.keyboardinput[self.cursorpos:] |
|
1323 | self.keyboardinput = self.keyboardinput[:self.cursorpos-1] + self.keyboardinput[self.cursorpos:] | |
1346 | self.cursorpos -= 1 |
|
1324 | self.cursorpos -= 1 | |
1347 | break |
|
1325 | break | |
1348 | else: |
|
1326 | else: | |
1349 | curses.beep() |
|
1327 | curses.beep() | |
1350 | elif c == curses.KEY_LEFT: |
|
1328 | elif c == curses.KEY_LEFT: | |
1351 | if self.cursorpos: |
|
1329 | if self.cursorpos: | |
1352 | self.cursorpos -= 1 |
|
1330 | self.cursorpos -= 1 | |
1353 | break |
|
1331 | break | |
1354 | else: |
|
1332 | else: | |
1355 | curses.beep() |
|
1333 | curses.beep() | |
1356 | elif c == curses.KEY_RIGHT: |
|
1334 | elif c == curses.KEY_RIGHT: | |
1357 | if self.cursorpos < len(self.keyboardinput): |
|
1335 | if self.cursorpos < len(self.keyboardinput): | |
1358 | self.cursorpos += 1 |
|
1336 | self.cursorpos += 1 | |
1359 | break |
|
1337 | break | |
1360 | else: |
|
1338 | else: | |
1361 | curses.beep() |
|
1339 | curses.beep() | |
1362 | elif c in (curses.KEY_UP, curses.KEY_DOWN): # cancel |
|
1340 | elif c in (curses.KEY_UP, curses.KEY_DOWN): # cancel | |
1363 | self.mode = "default" |
|
1341 | self.mode = "default" | |
1364 | break |
|
1342 | break | |
1365 | elif c == ord("\n"): |
|
1343 | elif c == ord("\n"): | |
1366 | self.executekeyboardinput(self.mode) |
|
1344 | self.executekeyboardinput(self.mode) | |
1367 | break |
|
1345 | break | |
1368 | elif c != -1: |
|
1346 | elif c != -1: | |
1369 | try: |
|
1347 | try: | |
1370 | c = chr(c) |
|
1348 | c = chr(c) | |
1371 | except ValueError: |
|
1349 | except ValueError: | |
1372 | curses.beep() |
|
1350 | curses.beep() | |
1373 | else: |
|
1351 | else: | |
1374 | if (self.mode == "goto" and not "0" <= c <= "9"): |
|
1352 | if (self.mode == "goto" and not "0" <= c <= "9"): | |
1375 | curses.beep() |
|
1353 | curses.beep() | |
1376 | else: |
|
1354 | else: | |
1377 | self.keyboardinput = self.keyboardinput[:self.cursorpos] + c + self.keyboardinput[self.cursorpos:] |
|
1355 | self.keyboardinput = self.keyboardinput[:self.cursorpos] + c + self.keyboardinput[self.cursorpos:] | |
1378 | self.cursorpos += 1 |
|
1356 | self.cursorpos += 1 | |
1379 | break # Redisplay |
|
1357 | break # Redisplay | |
1380 | else: |
|
1358 | else: | |
1381 | # if no key is pressed slow down and beep again |
|
1359 | # if no key is pressed slow down and beep again | |
1382 | if c == -1: |
|
1360 | if c == -1: | |
1383 | self.stepx = 1. |
|
1361 | self.stepx = 1. | |
1384 | self.stepy = 1. |
|
1362 | self.stepy = 1. | |
1385 | self._dobeep = True |
|
1363 | self._dobeep = True | |
1386 | else: |
|
1364 | else: | |
1387 | # if a different key was pressed slow down and beep too |
|
1365 | # if a different key was pressed slow down and beep too | |
1388 | if c != lastc: |
|
1366 | if c != lastc: | |
1389 | lastc = c |
|
1367 | lastc = c | |
1390 | self.stepx = 1. |
|
1368 | self.stepx = 1. | |
1391 | self.stepy = 1. |
|
1369 | self.stepy = 1. | |
1392 | self._dobeep = True |
|
1370 | self._dobeep = True | |
1393 | cmdname = self.keymap.get(c, None) |
|
1371 | cmdname = self.keymap.get(c, None) | |
1394 | if cmdname is None: |
|
1372 | if cmdname is None: | |
1395 | self.report( |
|
1373 | self.report( | |
1396 | UnassignedKeyError("Unassigned key %s" % |
|
1374 | UnassignedKeyError("Unassigned key %s" % | |
1397 | self.keylabel(c))) |
|
1375 | self.keylabel(c))) | |
1398 | else: |
|
1376 | else: | |
1399 | cmdfunc = getattr(self, "cmd_%s" % cmdname, None) |
|
1377 | cmdfunc = getattr(self, "cmd_%s" % cmdname, None) | |
1400 | if cmdfunc is None: |
|
1378 | if cmdfunc is None: | |
1401 | self.report( |
|
1379 | self.report( | |
1402 | UnknownCommandError("Unknown command %r" % |
|
1380 | UnknownCommandError("Unknown command %r" % | |
1403 | (cmdname,))) |
|
1381 | (cmdname,))) | |
1404 | elif cmdfunc(): |
|
1382 | elif cmdfunc(): | |
1405 | returnvalue = self.returnvalue |
|
1383 | returnvalue = self.returnvalue | |
1406 | self.returnvalue = None |
|
1384 | self.returnvalue = None | |
1407 | return returnvalue |
|
1385 | return returnvalue | |
1408 | self.stepx = self.nextstepx(self.stepx) |
|
1386 | self.stepx = self.nextstepx(self.stepx) | |
1409 | self.stepy = self.nextstepy(self.stepy) |
|
1387 | self.stepy = self.nextstepy(self.stepy) | |
1410 | curses.flushinp() # get rid of type ahead |
|
1388 | curses.flushinp() # get rid of type ahead | |
1411 | break # Redisplay |
|
1389 | break # Redisplay | |
1412 | self.scr = None |
|
1390 | self.scr = None | |
1413 |
|
1391 | |||
1414 | def display(self): |
|
1392 | def display(self): | |
1415 | return curses.wrapper(self._dodisplay) |
|
1393 | return curses.wrapper(self._dodisplay) |
@@ -1,1838 +1,1841 b'' | |||||
1 | # -*- coding: iso-8859-1 -*- |
|
1 | # -*- coding: iso-8859-1 -*- | |
2 |
|
2 | |||
3 | """ |
|
3 | """ | |
4 | ``ipipe`` provides classes to be used in an interactive Python session. Doing a |
|
4 | ``ipipe`` provides classes to be used in an interactive Python session. Doing a | |
5 | ``from ipipe import *`` is the preferred way to do this. The name of all |
|
5 | ``from ipipe import *`` is the preferred way to do this. The name of all | |
6 | objects imported this way starts with ``i`` to minimize collisions. |
|
6 | objects imported this way starts with ``i`` to minimize collisions. | |
7 |
|
7 | |||
8 | ``ipipe`` supports "pipeline expressions", which is something resembling Unix |
|
8 | ``ipipe`` supports "pipeline expressions", which is something resembling Unix | |
9 | pipes. An example is: |
|
9 | pipes. An example is: | |
10 |
|
10 | |||
11 | >>> ienv | isort("key.lower()") |
|
11 | >>> ienv | isort("key.lower()") | |
12 |
|
12 | |||
13 | This gives a listing of all environment variables sorted by name. |
|
13 | This gives a listing of all environment variables sorted by name. | |
14 |
|
14 | |||
15 |
|
15 | |||
16 | There are three types of objects in a pipeline expression: |
|
16 | There are three types of objects in a pipeline expression: | |
17 |
|
17 | |||
18 | * ``Table``s: These objects produce items. Examples are ``ls`` (listing the |
|
18 | * ``Table``s: These objects produce items. Examples are ``ls`` (listing the | |
19 | current directory, ``ienv`` (listing environment variables), ``ipwd`` (listing |
|
19 | current directory, ``ienv`` (listing environment variables), ``ipwd`` (listing | |
20 | user account) and ``igrp`` (listing user groups). A ``Table`` must be the |
|
20 | user account) and ``igrp`` (listing user groups). A ``Table`` must be the | |
21 | first object in a pipe expression. |
|
21 | first object in a pipe expression. | |
22 |
|
22 | |||
23 | * ``Pipe``s: These objects sit in the middle of a pipe expression. They |
|
23 | * ``Pipe``s: These objects sit in the middle of a pipe expression. They | |
24 | transform the input in some way (e.g. filtering or sorting it). Examples are: |
|
24 | transform the input in some way (e.g. filtering or sorting it). Examples are: | |
25 | ``ifilter`` (which filters the input pipe), ``isort`` (which sorts the input |
|
25 | ``ifilter`` (which filters the input pipe), ``isort`` (which sorts the input | |
26 | pipe) and ``ieval`` (which evaluates a function or expression for each object |
|
26 | pipe) and ``ieval`` (which evaluates a function or expression for each object | |
27 | in the input pipe). |
|
27 | in the input pipe). | |
28 |
|
28 | |||
29 | * ``Display``s: These objects can be put as the last object in a pipeline |
|
29 | * ``Display``s: These objects can be put as the last object in a pipeline | |
30 | expression. There are responsible for displaying the result of the pipeline |
|
30 | expression. There are responsible for displaying the result of the pipeline | |
31 | expression. If a pipeline expression doesn't end in a display object a default |
|
31 | expression. If a pipeline expression doesn't end in a display object a default | |
32 | display objects will be used. One example is ``browse`` which is a ``curses`` |
|
32 | display objects will be used. One example is ``browse`` which is a ``curses`` | |
33 | based browser. |
|
33 | based browser. | |
34 |
|
34 | |||
35 |
|
35 | |||
36 | Adding support for pipeline expressions to your own objects can be done through |
|
36 | Adding support for pipeline expressions to your own objects can be done through | |
37 | three extensions points (all of them optional): |
|
37 | three extensions points (all of them optional): | |
38 |
|
38 | |||
39 | * An object that will be displayed as a row by a ``Display`` object should |
|
39 | * An object that will be displayed as a row by a ``Display`` object should | |
40 | implement the method ``__xattrs__(self, mode)``. This method must return a |
|
40 | implement the method ``__xattrs__(self, mode)``. This method must return a | |
41 | sequence of attribute names. This sequence may also contain integers, which |
|
41 | sequence of attribute names. This sequence may also contain integers, which | |
42 | will be treated as sequence indizes. Also supported is ``None``, which uses |
|
42 | will be treated as sequence indizes. Also supported is ``None``, which uses | |
43 | the object itself and callables which will be called with the object as the |
|
43 | the object itself and callables which will be called with the object as the | |
44 | an argument. If ``__xattrs__()`` isn't implemented ``(None,)`` will be used as |
|
44 | an argument. If ``__xattrs__()`` isn't implemented ``(None,)`` will be used as | |
45 | the attribute sequence (i.e. the object itself (it's ``repr()`` format) will |
|
45 | the attribute sequence (i.e. the object itself (it's ``repr()`` format) will | |
46 | be being displayed. The global function ``xattrs()`` implements this |
|
46 | be being displayed. The global function ``xattrs()`` implements this | |
47 | functionality. |
|
47 | functionality. | |
48 |
|
48 | |||
49 | * When an object ``foo`` is displayed in the header, footer or table cell of the |
|
49 | * When an object ``foo`` is displayed in the header, footer or table cell of the | |
50 | browser ``foo.__xrepr__(mode)`` is called. Mode can be ``"header"`` or |
|
50 | browser ``foo.__xrepr__(mode)`` is called. Mode can be ``"header"`` or | |
51 | ``"footer"`` for the header or footer line and ``"cell"`` for a table cell. |
|
51 | ``"footer"`` for the header or footer line and ``"cell"`` for a table cell. | |
52 | ``__xrepr__()```must return an iterable (e.g. by being a generator) which |
|
52 | ``__xrepr__()```must return an iterable (e.g. by being a generator) which | |
53 | produces the following items: The first item should be a tuple containing |
|
53 | produces the following items: The first item should be a tuple containing | |
54 | the alignment (-1 left aligned, 0 centered and 1 right aligned) and whether |
|
54 | the alignment (-1 left aligned, 0 centered and 1 right aligned) and whether | |
55 | the complete output must be displayed or if the browser is allowed to stop |
|
55 | the complete output must be displayed or if the browser is allowed to stop | |
56 | output after enough text has been produced (e.g. a syntax highlighted text |
|
56 | output after enough text has been produced (e.g. a syntax highlighted text | |
57 | line would use ``True``, but for a large data structure (i.e. a nested list, |
|
57 | line would use ``True``, but for a large data structure (i.e. a nested list, | |
58 | tuple or dictionary) ``False`` would be used). The other output ``__xrepr__()`` |
|
58 | tuple or dictionary) ``False`` would be used). The other output ``__xrepr__()`` | |
59 | may produce is tuples of ``Style```objects and text (which contain the text |
|
59 | may produce is tuples of ``Style```objects and text (which contain the text | |
60 | representation of the object; see the ``astyle`` module). If ``__xrepr__()`` |
|
60 | representation of the object; see the ``astyle`` module). If ``__xrepr__()`` | |
61 | recursively outputs a data structure the function ``xrepr(object, mode)`` can |
|
61 | recursively outputs a data structure the function ``xrepr(object, mode)`` can | |
62 | be used and ``"default"`` must be passed as the mode in these calls. This in |
|
62 | be used and ``"default"`` must be passed as the mode in these calls. This in | |
63 | turn calls the ``__xrepr__()`` method on ``object`` (or uses ``repr(object)`` |
|
63 | turn calls the ``__xrepr__()`` method on ``object`` (or uses ``repr(object)`` | |
64 | as the string representation if ``__xrepr__()`` doesn't exist). |
|
64 | as the string representation if ``__xrepr__()`` doesn't exist). | |
65 |
|
65 | |||
66 | * Objects that can be iterated by ``Pipe``s must implement the method |
|
66 | * Objects that can be iterated by ``Pipe``s must implement the method | |
67 | ``__xiter__(self, mode)``. ``mode`` can take the following values: |
|
67 | ``__xiter__(self, mode)``. ``mode`` can take the following values: | |
68 |
|
68 | |||
69 | - ``"default"``: This is the default value and ist always used by pipeline |
|
69 | - ``"default"``: This is the default value and ist always used by pipeline | |
70 | expressions. Other values are only used in the browser. |
|
70 | expressions. Other values are only used in the browser. | |
71 | - ``None``: This value is passed by the browser. The object must return an |
|
71 | - ``None``: This value is passed by the browser. The object must return an | |
72 | iterable of ``XMode`` objects describing all modes supported by the object. |
|
72 | iterable of ``XMode`` objects describing all modes supported by the object. | |
73 | (This should never include ``"default"`` or ``None``). |
|
73 | (This should never include ``"default"`` or ``None``). | |
74 | - Any other value that the object supports. |
|
74 | - Any other value that the object supports. | |
75 |
|
75 | |||
76 | The global function ``xiter()`` can be called to get such an iterator. If |
|
76 | The global function ``xiter()`` can be called to get such an iterator. If | |
77 | the method ``_xiter__`` isn't implemented, ``xiter()`` falls back to |
|
77 | the method ``_xiter__`` isn't implemented, ``xiter()`` falls back to | |
78 | ``__iter__``. In addition to that, dictionaries and modules receive special |
|
78 | ``__iter__``. In addition to that, dictionaries and modules receive special | |
79 | treatment (returning an iterator over ``(key, value)`` pairs). This makes it |
|
79 | treatment (returning an iterator over ``(key, value)`` pairs). This makes it | |
80 | possible to use dictionaries and modules in pipeline expressions, for example: |
|
80 | possible to use dictionaries and modules in pipeline expressions, for example: | |
81 |
|
81 | |||
82 | >>> import sys |
|
82 | >>> import sys | |
83 | >>> sys | ifilter("isinstance(value, int)") | idump |
|
83 | >>> sys | ifilter("isinstance(value, int)") | idump | |
84 | key |value |
|
84 | key |value | |
85 | api_version| 1012 |
|
85 | api_version| 1012 | |
86 | dllhandle | 503316480 |
|
86 | dllhandle | 503316480 | |
87 | hexversion | 33817328 |
|
87 | hexversion | 33817328 | |
88 | maxint |2147483647 |
|
88 | maxint |2147483647 | |
89 | maxunicode | 65535 |
|
89 | maxunicode | 65535 | |
90 | >>> sys.modules | ifilter("_.value is not None") | isort("_.key.lower()") |
|
90 | >>> sys.modules | ifilter("_.value is not None") | isort("_.key.lower()") | |
91 | ... |
|
91 | ... | |
92 |
|
92 | |||
93 | Note: The expression strings passed to ``ifilter()`` and ``isort()`` can |
|
93 | Note: The expression strings passed to ``ifilter()`` and ``isort()`` can | |
94 | refer to the object to be filtered or sorted via the variable ``_`` and to any |
|
94 | refer to the object to be filtered or sorted via the variable ``_`` and to any | |
95 | of the attributes of the object, i.e.: |
|
95 | of the attributes of the object, i.e.: | |
96 |
|
96 | |||
97 | >>> sys.modules | ifilter("_.value is not None") | isort("_.key.lower()") |
|
97 | >>> sys.modules | ifilter("_.value is not None") | isort("_.key.lower()") | |
98 |
|
98 | |||
99 | does the same as |
|
99 | does the same as | |
100 |
|
100 | |||
101 | >>> sys.modules | ifilter("value is not None") | isort("key.lower()") |
|
101 | >>> sys.modules | ifilter("value is not None") | isort("key.lower()") | |
102 |
|
102 | |||
103 | In addition to expression strings, it's possible to pass callables (taking |
|
103 | In addition to expression strings, it's possible to pass callables (taking | |
104 | the object as an argument) to ``ifilter()``, ``isort()`` and ``ieval()``: |
|
104 | the object as an argument) to ``ifilter()``, ``isort()`` and ``ieval()``: | |
105 |
|
105 | |||
106 | >>> sys | ifilter(lambda _:isinstance(_.value, int)) \ |
|
106 | >>> sys | ifilter(lambda _:isinstance(_.value, int)) \ | |
107 | ... | ieval(lambda _: (_.key, hex(_.value))) | idump |
|
107 | ... | ieval(lambda _: (_.key, hex(_.value))) | idump | |
108 | 0 |1 |
|
108 | 0 |1 | |
109 | api_version|0x3f4 |
|
109 | api_version|0x3f4 | |
110 | dllhandle |0x1e000000 |
|
110 | dllhandle |0x1e000000 | |
111 | hexversion |0x20402f0 |
|
111 | hexversion |0x20402f0 | |
112 | maxint |0x7fffffff |
|
112 | maxint |0x7fffffff | |
113 | maxunicode |0xffff |
|
113 | maxunicode |0xffff | |
114 | """ |
|
114 | """ | |
115 |
|
115 | |||
116 | import sys, os, os.path, stat, glob, new, csv, datetime, types |
|
116 | import sys, os, os.path, stat, glob, new, csv, datetime, types | |
117 | import itertools, mimetypes |
|
117 | import itertools, mimetypes | |
118 |
|
118 | |||
119 | try: # Python 2.3 compatibility |
|
119 | try: # Python 2.3 compatibility | |
120 | import collections |
|
120 | import collections | |
121 | except ImportError: |
|
121 | except ImportError: | |
122 | deque = list |
|
122 | deque = list | |
123 | else: |
|
123 | else: | |
124 | deque = collections.deque |
|
124 | deque = collections.deque | |
125 |
|
125 | |||
126 | try: # Python 2.3 compatibility |
|
126 | try: # Python 2.3 compatibility | |
127 | set |
|
127 | set | |
128 | except NameError: |
|
128 | except NameError: | |
129 | import sets |
|
129 | import sets | |
130 | set = sets.Set |
|
130 | set = sets.Set | |
131 |
|
131 | |||
132 | try: # Python 2.3 compatibility |
|
132 | try: # Python 2.3 compatibility | |
133 | sorted |
|
133 | sorted | |
134 | except NameError: |
|
134 | except NameError: | |
135 | def sorted(iterator, key=None, reverse=False): |
|
135 | def sorted(iterator, key=None, reverse=False): | |
136 | items = list(iterator) |
|
136 | items = list(iterator) | |
137 | if key is not None: |
|
137 | if key is not None: | |
138 | items.sort(lambda i1, i2: cmp(key(i1), key(i2))) |
|
138 | items.sort(lambda i1, i2: cmp(key(i1), key(i2))) | |
139 | else: |
|
139 | else: | |
140 | items.sort() |
|
140 | items.sort() | |
141 | if reverse: |
|
141 | if reverse: | |
142 | items.reverse() |
|
142 | items.reverse() | |
143 | return items |
|
143 | return items | |
144 |
|
144 | |||
145 | try: |
|
145 | try: | |
146 | import pwd |
|
146 | import pwd | |
147 | except ImportError: |
|
147 | except ImportError: | |
148 | pwd = None |
|
148 | pwd = None | |
149 |
|
149 | |||
150 | try: |
|
150 | try: | |
151 | import grp |
|
151 | import grp | |
152 | except ImportError: |
|
152 | except ImportError: | |
153 | grp = None |
|
153 | grp = None | |
154 |
|
154 | |||
155 | import path |
|
155 | import path | |
156 | try: |
|
156 | try: | |
157 | from IPython import genutils, ipapi |
|
157 | from IPython import genutils, ipapi | |
158 | except ImportError: |
|
158 | except ImportError: | |
159 | genutils = None |
|
159 | genutils = None | |
160 | ipapi = None |
|
160 | ipapi = None | |
161 |
|
161 | |||
162 | import astyle |
|
162 | import astyle | |
163 |
|
163 | |||
164 |
|
164 | |||
165 | __all__ = [ |
|
165 | __all__ = [ | |
166 | "ifile", "ils", "iglob", "iwalk", "ipwdentry", "ipwd", "igrpentry", "igrp", |
|
166 | "ifile", "ils", "iglob", "iwalk", "ipwdentry", "ipwd", "igrpentry", "igrp", | |
167 | "icsv", "ix", "ichain", "isort", "ifilter", "ieval", "ienum", "ienv", |
|
167 | "icsv", "ix", "ichain", "isort", "ifilter", "ieval", "ienum", "ienv", | |
168 | "idump", "iless" |
|
168 | "idump", "iless" | |
169 | ] |
|
169 | ] | |
170 |
|
170 | |||
171 |
|
171 | |||
172 | os.stat_float_times(True) # enable microseconds |
|
172 | os.stat_float_times(True) # enable microseconds | |
173 |
|
173 | |||
174 |
|
174 | |||
175 | class AttrNamespace(object): |
|
175 | class AttrNamespace(object): | |
176 | """ |
|
176 | """ | |
177 | Helper class that is used for providing a namespace for evaluating |
|
177 | Helper class that is used for providing a namespace for evaluating | |
178 | expressions containing attribute names of an object. |
|
178 | expressions containing attribute names of an object. | |
179 | """ |
|
179 | """ | |
180 | def __init__(self, wrapped): |
|
180 | def __init__(self, wrapped): | |
181 | self.wrapped = wrapped |
|
181 | self.wrapped = wrapped | |
182 |
|
182 | |||
183 | def __getitem__(self, name): |
|
183 | def __getitem__(self, name): | |
184 | if name == "_": |
|
184 | if name == "_": | |
185 | return self.wrapped |
|
185 | return self.wrapped | |
186 | try: |
|
186 | try: | |
187 | return getattr(self.wrapped, name) |
|
187 | return getattr(self.wrapped, name) | |
188 | except AttributeError: |
|
188 | except AttributeError: | |
189 | raise KeyError(name) |
|
189 | raise KeyError(name) | |
190 |
|
190 | |||
191 | # Python 2.3 compatibility |
|
191 | # Python 2.3 compatibility | |
192 | # use eval workaround to find out which names are used in the |
|
192 | # use eval workaround to find out which names are used in the | |
193 | # eval string and put them into the locals. This works for most |
|
193 | # eval string and put them into the locals. This works for most | |
194 | # normal uses case, bizarre ones like accessing the locals() |
|
194 | # normal uses case, bizarre ones like accessing the locals() | |
195 | # will fail |
|
195 | # will fail | |
196 | try: |
|
196 | try: | |
197 | eval("_", None, AttrNamespace(None)) |
|
197 | eval("_", None, AttrNamespace(None)) | |
198 | except TypeError: |
|
198 | except TypeError: | |
199 | real_eval = eval |
|
199 | real_eval = eval | |
200 | def eval(codestring, _globals, _locals): |
|
200 | def eval(codestring, _globals, _locals): | |
201 | """ |
|
201 | """ | |
202 | eval(source[, globals[, locals]]) -> value |
|
202 | eval(source[, globals[, locals]]) -> value | |
203 |
|
203 | |||
204 | Evaluate the source in the context of globals and locals. |
|
204 | Evaluate the source in the context of globals and locals. | |
205 | The source may be a string representing a Python expression |
|
205 | The source may be a string representing a Python expression | |
206 | or a code object as returned by compile(). |
|
206 | or a code object as returned by compile(). | |
207 | The globals must be a dictionary and locals can be any mappping. |
|
207 | The globals must be a dictionary and locals can be any mappping. | |
208 |
|
208 | |||
209 | This function is a workaround for the shortcomings of |
|
209 | This function is a workaround for the shortcomings of | |
210 | Python 2.3's eval. |
|
210 | Python 2.3's eval. | |
211 | """ |
|
211 | """ | |
212 |
|
212 | |||
213 | code = compile(codestring, "_eval", "eval") |
|
213 | code = compile(codestring, "_eval", "eval") | |
214 | newlocals = {} |
|
214 | newlocals = {} | |
215 | for name in code.co_names: |
|
215 | for name in code.co_names: | |
216 | try: |
|
216 | try: | |
217 | newlocals[name] = _locals[name] |
|
217 | newlocals[name] = _locals[name] | |
218 | except KeyError: |
|
218 | except KeyError: | |
219 | pass |
|
219 | pass | |
220 | return real_eval(code, _globals, newlocals) |
|
220 | return real_eval(code, _globals, newlocals) | |
221 |
|
221 | |||
222 |
|
222 | |||
223 | noitem = object() |
|
223 | noitem = object() | |
224 |
|
224 | |||
225 | def item(iterator, index, default=noitem): |
|
225 | def item(iterator, index, default=noitem): | |
226 | """ |
|
226 | """ | |
227 | Return the ``index``th item from the iterator ``iterator``. |
|
227 | Return the ``index``th item from the iterator ``iterator``. | |
228 | ``index`` must be an integer (negative integers are relative to the |
|
228 | ``index`` must be an integer (negative integers are relative to the | |
229 | end (i.e. the last item produced by the iterator)). |
|
229 | end (i.e. the last item produced by the iterator)). | |
230 |
|
230 | |||
231 | If ``default`` is given, this will be the default value when |
|
231 | If ``default`` is given, this will be the default value when | |
232 | the iterator doesn't contain an item at this position. Otherwise an |
|
232 | the iterator doesn't contain an item at this position. Otherwise an | |
233 | ``IndexError`` will be raised. |
|
233 | ``IndexError`` will be raised. | |
234 |
|
234 | |||
235 | Note that using this function will partially or totally exhaust the |
|
235 | Note that using this function will partially or totally exhaust the | |
236 | iterator. |
|
236 | iterator. | |
237 | """ |
|
237 | """ | |
238 | i = index |
|
238 | i = index | |
239 | if i>=0: |
|
239 | if i>=0: | |
240 | for item in iterator: |
|
240 | for item in iterator: | |
241 | if not i: |
|
241 | if not i: | |
242 | return item |
|
242 | return item | |
243 | i -= 1 |
|
243 | i -= 1 | |
244 | else: |
|
244 | else: | |
245 | i = -index |
|
245 | i = -index | |
246 | cache = deque() |
|
246 | cache = deque() | |
247 | for item in iterator: |
|
247 | for item in iterator: | |
248 | cache.append(item) |
|
248 | cache.append(item) | |
249 | if len(cache)>i: |
|
249 | if len(cache)>i: | |
250 | cache.popleft() |
|
250 | cache.popleft() | |
251 | if len(cache)==i: |
|
251 | if len(cache)==i: | |
252 | return cache.popleft() |
|
252 | return cache.popleft() | |
253 | if default is noitem: |
|
253 | if default is noitem: | |
254 | raise IndexError(index) |
|
254 | raise IndexError(index) | |
255 | else: |
|
255 | else: | |
256 | return default |
|
256 | return default | |
257 |
|
257 | |||
258 |
|
258 | |||
259 | def getglobals(g): |
|
259 | def getglobals(g): | |
260 | if g is None: |
|
260 | if g is None: | |
261 | if ipapi is not None: |
|
261 | if ipapi is not None: | |
262 | return ipapi.get().user_ns() |
|
262 | return ipapi.get().user_ns() | |
263 | else: |
|
263 | else: | |
264 | return globals() |
|
264 | return globals() | |
265 | return g |
|
265 | return g | |
266 |
|
266 | |||
267 |
|
267 | |||
268 | class Table(object): |
|
268 | class Table(object): | |
269 | """ |
|
269 | """ | |
270 | A ``Table`` is an object that produces items (just like a normal Python |
|
270 | A ``Table`` is an object that produces items (just like a normal Python | |
271 | iterator/generator does) and can be used as the first object in a pipeline |
|
271 | iterator/generator does) and can be used as the first object in a pipeline | |
272 | expression. The displayhook will open the default browser for such an object |
|
272 | expression. The displayhook will open the default browser for such an object | |
273 | (instead of simply printing the ``repr()`` result). |
|
273 | (instead of simply printing the ``repr()`` result). | |
274 | """ |
|
274 | """ | |
275 |
|
275 | |||
276 | # We want to support ``foo`` and ``foo()`` in pipeline expression: |
|
276 | # We want to support ``foo`` and ``foo()`` in pipeline expression: | |
277 | # So we implement the required operators (``|`` and ``+``) in the metaclass, |
|
277 | # So we implement the required operators (``|`` and ``+``) in the metaclass, | |
278 | # instantiate the class and forward the operator to the instance |
|
278 | # instantiate the class and forward the operator to the instance | |
279 | class __metaclass__(type): |
|
279 | class __metaclass__(type): | |
280 | def __iter__(self): |
|
280 | def __iter__(self): | |
281 | return iter(self()) |
|
281 | return iter(self()) | |
282 |
|
282 | |||
283 | def __or__(self, other): |
|
283 | def __or__(self, other): | |
284 | return self() | other |
|
284 | return self() | other | |
285 |
|
285 | |||
286 | def __add__(self, other): |
|
286 | def __add__(self, other): | |
287 | return self() + other |
|
287 | return self() + other | |
288 |
|
288 | |||
289 | def __radd__(self, other): |
|
289 | def __radd__(self, other): | |
290 | return other + self() |
|
290 | return other + self() | |
291 |
|
291 | |||
292 | def __getitem__(self, index): |
|
292 | def __getitem__(self, index): | |
293 | return self()[index] |
|
293 | return self()[index] | |
294 |
|
294 | |||
295 | def __getitem__(self, index): |
|
295 | def __getitem__(self, index): | |
296 | return item(self, index) |
|
296 | return item(self, index) | |
297 |
|
297 | |||
298 | def __contains__(self, item): |
|
298 | def __contains__(self, item): | |
299 | for haveitem in self: |
|
299 | for haveitem in self: | |
300 | if item == haveitem: |
|
300 | if item == haveitem: | |
301 | return True |
|
301 | return True | |
302 | return False |
|
302 | return False | |
303 |
|
303 | |||
304 | def __or__(self, other): |
|
304 | def __or__(self, other): | |
305 | # autoinstantiate right hand side |
|
305 | # autoinstantiate right hand side | |
306 | if isinstance(other, type) and issubclass(other, (Table, Display)): |
|
306 | if isinstance(other, type) and issubclass(other, (Table, Display)): | |
307 | other = other() |
|
307 | other = other() | |
308 | # treat simple strings and functions as ``ieval`` instances |
|
308 | # treat simple strings and functions as ``ieval`` instances | |
309 | elif not isinstance(other, Display) and not isinstance(other, Table): |
|
309 | elif not isinstance(other, Display) and not isinstance(other, Table): | |
310 | other = ieval(other) |
|
310 | other = ieval(other) | |
311 | # forward operations to the right hand side |
|
311 | # forward operations to the right hand side | |
312 | return other.__ror__(self) |
|
312 | return other.__ror__(self) | |
313 |
|
313 | |||
314 | def __add__(self, other): |
|
314 | def __add__(self, other): | |
315 | # autoinstantiate right hand side |
|
315 | # autoinstantiate right hand side | |
316 | if isinstance(other, type) and issubclass(other, Table): |
|
316 | if isinstance(other, type) and issubclass(other, Table): | |
317 | other = other() |
|
317 | other = other() | |
318 | return ichain(self, other) |
|
318 | return ichain(self, other) | |
319 |
|
319 | |||
320 | def __radd__(self, other): |
|
320 | def __radd__(self, other): | |
321 | # autoinstantiate left hand side |
|
321 | # autoinstantiate left hand side | |
322 | if isinstance(other, type) and issubclass(other, Table): |
|
322 | if isinstance(other, type) and issubclass(other, Table): | |
323 | other = other() |
|
323 | other = other() | |
324 | return ichain(other, self) |
|
324 | return ichain(other, self) | |
325 |
|
325 | |||
326 | def __iter__(self): |
|
326 | def __iter__(self): | |
327 | return xiter(self, "default") |
|
327 | return xiter(self, "default") | |
328 |
|
328 | |||
329 |
|
329 | |||
330 | class Pipe(Table): |
|
330 | class Pipe(Table): | |
331 | """ |
|
331 | """ | |
332 | A ``Pipe`` is an object that can be used in a pipeline expression. It |
|
332 | A ``Pipe`` is an object that can be used in a pipeline expression. It | |
333 | processes the objects it gets from its input ``Table``/``Pipe``. Note that |
|
333 | processes the objects it gets from its input ``Table``/``Pipe``. Note that | |
334 | a ``Pipe`` object can't be used as the first object in a pipeline |
|
334 | a ``Pipe`` object can't be used as the first object in a pipeline | |
335 | expression, as it doesn't produces items itself. |
|
335 | expression, as it doesn't produces items itself. | |
336 | """ |
|
336 | """ | |
337 | class __metaclass__(Table.__metaclass__): |
|
337 | class __metaclass__(Table.__metaclass__): | |
338 | def __ror__(self, input): |
|
338 | def __ror__(self, input): | |
339 | return input | self() |
|
339 | return input | self() | |
340 |
|
340 | |||
341 | def __ror__(self, input): |
|
341 | def __ror__(self, input): | |
342 | # autoinstantiate left hand side |
|
342 | # autoinstantiate left hand side | |
343 | if isinstance(input, type) and issubclass(input, Table): |
|
343 | if isinstance(input, type) and issubclass(input, Table): | |
344 | input = input() |
|
344 | input = input() | |
345 | self.input = input |
|
345 | self.input = input | |
346 | return self |
|
346 | return self | |
347 |
|
347 | |||
348 |
|
348 | |||
349 | def _getattr(obj, name, default=noitem): |
|
349 | def _getattr(obj, name, default=noitem): | |
350 | """ |
|
350 | """ | |
351 | Internal helper for getting an attribute of an item. If ``name`` is ``None`` |
|
351 | Internal helper for getting an attribute of an item. If ``name`` is ``None`` | |
352 | return the object itself. If ``name`` is an integer, use ``__getitem__`` |
|
352 | return the object itself. If ``name`` is an integer, use ``__getitem__`` | |
353 | instead. If the attribute or item does not exist, return ``default``. |
|
353 | instead. If the attribute or item does not exist, return ``default``. | |
354 | """ |
|
354 | """ | |
355 | if name is None: |
|
355 | if name is None: | |
356 | return obj |
|
356 | return obj | |
357 | elif isinstance(name, basestring): |
|
357 | elif isinstance(name, basestring): | |
358 | if name.endswith("()"): |
|
358 | if name.endswith("()"): | |
359 | return getattr(obj, name[:-2], default)() |
|
359 | return getattr(obj, name[:-2], default)() | |
360 | else: |
|
360 | else: | |
361 | return getattr(obj, name, default) |
|
361 | return getattr(obj, name, default) | |
362 | elif callable(name): |
|
362 | elif callable(name): | |
363 | try: |
|
363 | try: | |
364 | return name(obj) |
|
364 | return name(obj) | |
365 | except AttributeError: |
|
365 | except AttributeError: | |
366 | return default |
|
366 | return default | |
367 | else: |
|
367 | else: | |
368 | try: |
|
368 | try: | |
369 | return obj[name] |
|
369 | return obj[name] | |
370 | except IndexError: |
|
370 | except IndexError: | |
371 | return default |
|
371 | return default | |
372 |
|
372 | |||
373 |
|
373 | |||
374 | def _attrname(name): |
|
374 | def _attrname(name): | |
375 | """ |
|
375 | """ | |
376 | Internal helper that gives a proper name for the attribute ``name`` |
|
376 | Internal helper that gives a proper name for the attribute ``name`` | |
377 | (which might be ``None`` or an ``int``). |
|
377 | (which might be ``None`` or an ``int``). | |
378 | """ |
|
378 | """ | |
379 | if name is None: |
|
379 | if name is None: | |
380 | return "_" |
|
380 | return "_" | |
381 | elif isinstance(name, basestring): |
|
381 | elif isinstance(name, basestring): | |
382 | return name |
|
382 | return name | |
383 | elif callable(name): |
|
383 | elif callable(name): | |
384 | return getattr(name, "__xname__", name.__name__) |
|
384 | return getattr(name, "__xname__", name.__name__) | |
385 | else: |
|
385 | else: | |
386 | return str(name) |
|
386 | return str(name) | |
387 |
|
387 | |||
388 |
|
388 | |||
389 | def xrepr(item, mode): |
|
389 | def xrepr(item, mode): | |
390 | try: |
|
390 | try: | |
391 | func = item.__xrepr__ |
|
391 | func = item.__xrepr__ | |
392 | except AttributeError: |
|
392 | except AttributeError: | |
393 | pass |
|
393 | pass | |
394 | else: |
|
394 | else: | |
395 | try: |
|
395 | try: | |
396 | for x in func(mode): |
|
396 | for x in func(mode): | |
397 | yield x |
|
397 | yield x | |
398 | except (KeyboardInterrupt, SystemExit): |
|
398 | except (KeyboardInterrupt, SystemExit): | |
399 | raise |
|
399 | raise | |
400 | except Exception: |
|
400 | except Exception: | |
401 | yield (astyle.style_default, repr(item)) |
|
401 | yield (astyle.style_default, repr(item)) | |
402 | return |
|
402 | return | |
403 | if item is None: |
|
403 | if item is None: | |
404 | yield (astyle.style_type_none, repr(item)) |
|
404 | yield (astyle.style_type_none, repr(item)) | |
405 | elif isinstance(item, bool): |
|
405 | elif isinstance(item, bool): | |
406 | yield (astyle.style_type_bool, repr(item)) |
|
406 | yield (astyle.style_type_bool, repr(item)) | |
407 | elif isinstance(item, str): |
|
407 | elif isinstance(item, str): | |
408 | if mode == "cell": |
|
408 | if mode == "cell": | |
409 | yield (astyle.style_default, repr(item.expandtabs(tab))[1:-1]) |
|
409 | yield (astyle.style_default, repr(item.expandtabs(tab))[1:-1]) | |
410 | else: |
|
410 | else: | |
411 | yield (astyle.style_default, repr(item)) |
|
411 | yield (astyle.style_default, repr(item)) | |
412 | elif isinstance(item, unicode): |
|
412 | elif isinstance(item, unicode): | |
413 | if mode == "cell": |
|
413 | if mode == "cell": | |
414 | yield (astyle.style_default, repr(item.expandtabs(tab))[2:-1]) |
|
414 | yield (astyle.style_default, repr(item.expandtabs(tab))[2:-1]) | |
415 | else: |
|
415 | else: | |
416 | yield (astyle.style_default, repr(item)) |
|
416 | yield (astyle.style_default, repr(item)) | |
417 | elif isinstance(item, (int, long, float)): |
|
417 | elif isinstance(item, (int, long, float)): | |
418 | yield (1, True) |
|
418 | yield (1, True) | |
419 | yield (astyle.style_type_number, repr(item)) |
|
419 | yield (astyle.style_type_number, repr(item)) | |
420 | elif isinstance(item, complex): |
|
420 | elif isinstance(item, complex): | |
421 | yield (astyle.style_type_number, repr(item)) |
|
421 | yield (astyle.style_type_number, repr(item)) | |
422 | elif isinstance(item, datetime.datetime): |
|
422 | elif isinstance(item, datetime.datetime): | |
423 | if mode == "cell": |
|
423 | if mode == "cell": | |
424 | # Don't use strftime() here, as this requires year >= 1900 |
|
424 | # Don't use strftime() here, as this requires year >= 1900 | |
425 | yield (astyle.style_type_datetime, |
|
425 | yield (astyle.style_type_datetime, | |
426 | "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ |
|
426 | "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ | |
427 | (item.year, item.month, item.day, |
|
427 | (item.year, item.month, item.day, | |
428 | item.hour, item.minute, item.second, |
|
428 | item.hour, item.minute, item.second, | |
429 | item.microsecond), |
|
429 | item.microsecond), | |
430 | ) |
|
430 | ) | |
431 | else: |
|
431 | else: | |
432 | yield (astyle.style_type_datetime, repr(item)) |
|
432 | yield (astyle.style_type_datetime, repr(item)) | |
433 | elif isinstance(item, datetime.date): |
|
433 | elif isinstance(item, datetime.date): | |
434 | if mode == "cell": |
|
434 | if mode == "cell": | |
435 | yield (astyle.style_type_datetime, |
|
435 | yield (astyle.style_type_datetime, | |
436 | "%04d-%02d-%02d" % (item.year, item.month, item.day)) |
|
436 | "%04d-%02d-%02d" % (item.year, item.month, item.day)) | |
437 | else: |
|
437 | else: | |
438 | yield (astyle.style_type_datetime, repr(item)) |
|
438 | yield (astyle.style_type_datetime, repr(item)) | |
439 | elif isinstance(item, datetime.time): |
|
439 | elif isinstance(item, datetime.time): | |
440 | if mode == "cell": |
|
440 | if mode == "cell": | |
441 | yield (astyle.style_type_datetime, |
|
441 | yield (astyle.style_type_datetime, | |
442 | "%02d:%02d:%02d.%06d" % \ |
|
442 | "%02d:%02d:%02d.%06d" % \ | |
443 | (item.hour, item.minute, item.second, item.microsecond)) |
|
443 | (item.hour, item.minute, item.second, item.microsecond)) | |
444 | else: |
|
444 | else: | |
445 | yield (astyle.style_type_datetime, repr(item)) |
|
445 | yield (astyle.style_type_datetime, repr(item)) | |
446 | elif isinstance(item, datetime.timedelta): |
|
446 | elif isinstance(item, datetime.timedelta): | |
447 | yield (astyle.style_type_datetime, repr(item)) |
|
447 | yield (astyle.style_type_datetime, repr(item)) | |
448 | elif isinstance(item, Exception): |
|
448 | elif isinstance(item, Exception): | |
449 | if item.__class__.__module__ == "exceptions": |
|
449 | if item.__class__.__module__ == "exceptions": | |
450 | classname = item.__class__.__name__ |
|
450 | classname = item.__class__.__name__ | |
451 | else: |
|
451 | else: | |
452 | classname = "%s.%s" % \ |
|
452 | classname = "%s.%s" % \ | |
453 | (item.__class__.__module__, item.__class__.__name__) |
|
453 | (item.__class__.__module__, item.__class__.__name__) | |
454 | if mode == "header" or mode == "footer": |
|
454 | if mode == "header" or mode == "footer": | |
455 | yield (astyle.style_error, "%s: %s" % (classname, item)) |
|
455 | yield (astyle.style_error, "%s: %s" % (classname, item)) | |
456 | else: |
|
456 | else: | |
457 | yield (astyle.style_error, classname) |
|
457 | yield (astyle.style_error, classname) | |
458 | elif isinstance(item, (list, tuple)): |
|
458 | elif isinstance(item, (list, tuple)): | |
459 | if mode == "header" or mode == "footer": |
|
459 | if mode == "header" or mode == "footer": | |
460 | if item.__class__.__module__ == "__builtin__": |
|
460 | if item.__class__.__module__ == "__builtin__": | |
461 | classname = item.__class__.__name__ |
|
461 | classname = item.__class__.__name__ | |
462 | else: |
|
462 | else: | |
463 | classname = "%s.%s" % \ |
|
463 | classname = "%s.%s" % \ | |
464 | (item.__class__.__module__,item.__class__.__name__) |
|
464 | (item.__class__.__module__,item.__class__.__name__) | |
465 | yield (astyle.style_default, |
|
465 | yield (astyle.style_default, | |
466 | "<%s object with %d items at 0x%x>" % \ |
|
466 | "<%s object with %d items at 0x%x>" % \ | |
467 | (classname, len(item), id(item))) |
|
467 | (classname, len(item), id(item))) | |
468 | else: |
|
468 | else: | |
469 | yield (-1, False) |
|
469 | yield (-1, False) | |
470 | if isinstance(item, list): |
|
470 | if isinstance(item, list): | |
471 | yield (astyle.style_default, "[") |
|
471 | yield (astyle.style_default, "[") | |
472 | end = "]" |
|
472 | end = "]" | |
473 | else: |
|
473 | else: | |
474 | yield (astyle.style_default, "(") |
|
474 | yield (astyle.style_default, "(") | |
475 | end = ")" |
|
475 | end = ")" | |
476 | for (i, subitem) in enumerate(item): |
|
476 | for (i, subitem) in enumerate(item): | |
477 | if i: |
|
477 | if i: | |
478 | yield (astyle.style_default, ", ") |
|
478 | yield (astyle.style_default, ", ") | |
479 | for part in xrepr(subitem, "default"): |
|
479 | for part in xrepr(subitem, "default"): | |
480 | yield part |
|
480 | yield part | |
481 | yield (astyle.style_default, end) |
|
481 | yield (astyle.style_default, end) | |
482 | elif isinstance(item, (dict, types.DictProxyType)): |
|
482 | elif isinstance(item, (dict, types.DictProxyType)): | |
483 | if mode == "header" or mode == "footer": |
|
483 | if mode == "header" or mode == "footer": | |
484 | if item.__class__.__module__ == "__builtin__": |
|
484 | if item.__class__.__module__ == "__builtin__": | |
485 | classname = item.__class__.__name__ |
|
485 | classname = item.__class__.__name__ | |
486 | else: |
|
486 | else: | |
487 | classname = "%s.%s" % \ |
|
487 | classname = "%s.%s" % \ | |
488 | (item.__class__.__module__,item.__class__.__name__) |
|
488 | (item.__class__.__module__,item.__class__.__name__) | |
489 | yield (astyle.style_default, |
|
489 | yield (astyle.style_default, | |
490 | "<%s object with %d items at 0x%x>" % \ |
|
490 | "<%s object with %d items at 0x%x>" % \ | |
491 | (classname, len(item), id(item))) |
|
491 | (classname, len(item), id(item))) | |
492 | else: |
|
492 | else: | |
493 | yield (-1, False) |
|
493 | yield (-1, False) | |
494 | if isinstance(item, dict): |
|
494 | if isinstance(item, dict): | |
495 | yield (astyle.style_default, "{") |
|
495 | yield (astyle.style_default, "{") | |
496 | end = "}" |
|
496 | end = "}" | |
497 | else: |
|
497 | else: | |
498 | yield (astyle.style_default, "dictproxy((") |
|
498 | yield (astyle.style_default, "dictproxy((") | |
499 | end = "})" |
|
499 | end = "})" | |
500 | for (i, (key, value)) in enumerate(item.iteritems()): |
|
500 | for (i, (key, value)) in enumerate(item.iteritems()): | |
501 | if i: |
|
501 | if i: | |
502 | yield (astyle.style_default, ", ") |
|
502 | yield (astyle.style_default, ", ") | |
503 | for part in xrepr(key, "default"): |
|
503 | for part in xrepr(key, "default"): | |
504 | yield part |
|
504 | yield part | |
505 | yield (astyle.style_default, ": ") |
|
505 | yield (astyle.style_default, ": ") | |
506 | for part in xrepr(value, "default"): |
|
506 | for part in xrepr(value, "default"): | |
507 | yield part |
|
507 | yield part | |
508 | yield (astyle.style_default, end) |
|
508 | yield (astyle.style_default, end) | |
509 | else: |
|
509 | else: | |
510 | yield (astyle.style_default, repr(item)) |
|
510 | yield (astyle.style_default, repr(item)) | |
511 |
|
511 | |||
512 |
|
512 | |||
513 | def xattrs(item, mode): |
|
513 | def xattrs(item, mode): | |
514 | try: |
|
514 | try: | |
515 | func = item.__xattrs__ |
|
515 | func = item.__xattrs__ | |
516 | except AttributeError: |
|
516 | except AttributeError: | |
517 | if mode == "detail": |
|
517 | if mode == "detail": | |
518 | return dir(item) |
|
518 | return dir(item) | |
519 | else: |
|
519 | else: | |
520 | return (None,) |
|
520 | return (None,) | |
521 | else: |
|
521 | else: | |
522 | try: |
|
522 | try: | |
523 | return func(mode) |
|
523 | return func(mode) | |
524 | except (KeyboardInterrupt, SystemExit): |
|
524 | except (KeyboardInterrupt, SystemExit): | |
525 | raise |
|
525 | raise | |
526 | except Exception: |
|
526 | except Exception: | |
527 | return (None,) |
|
527 | return (None,) | |
528 |
|
528 | |||
529 |
|
529 | |||
530 | def xiter(item, mode): |
|
530 | def xiter(item, mode): | |
531 | if mode == "detail": |
|
531 | if mode == "detail": | |
532 | def items(): |
|
532 | def items(): | |
533 | for name in xattrs(item, mode): |
|
533 | for name in xattrs(item, mode): | |
534 | yield XAttr(item, name) |
|
534 | yield XAttr(item, name) | |
535 | return items() |
|
535 | return items() | |
536 | try: |
|
536 | try: | |
537 | func = item.__xiter__ |
|
537 | func = item.__xiter__ | |
538 | except AttributeError: |
|
538 | except AttributeError: | |
539 | if isinstance(item, (dict, types.DictProxyType)): |
|
539 | if isinstance(item, (dict, types.DictProxyType)): | |
540 | def items(item): |
|
540 | def items(item): | |
541 | fields = ("key", "value") |
|
541 | fields = ("key", "value") | |
542 | for (key, value) in item.iteritems(): |
|
542 | for (key, value) in item.iteritems(): | |
543 | yield Fields(fields, key=key, value=value) |
|
543 | yield Fields(fields, key=key, value=value) | |
544 | return items(item) |
|
544 | return items(item) | |
545 | elif isinstance(item, new.module): |
|
545 | elif isinstance(item, new.module): | |
546 | def items(item): |
|
546 | def items(item): | |
547 | fields = ("key", "value") |
|
547 | fields = ("key", "value") | |
548 | for key in sorted(item.__dict__): |
|
548 | for key in sorted(item.__dict__): | |
549 | yield Fields(fields, key=key, value=getattr(item, key)) |
|
549 | yield Fields(fields, key=key, value=getattr(item, key)) | |
550 | return items(item) |
|
550 | return items(item) | |
551 | elif isinstance(item, basestring): |
|
551 | elif isinstance(item, basestring): | |
552 | if not len(item): |
|
552 | if not len(item): | |
553 | raise ValueError("can't enter empty string") |
|
553 | raise ValueError("can't enter empty string") | |
554 | lines = item.splitlines() |
|
554 | lines = item.splitlines() | |
555 | if len(lines) <= 1: |
|
555 | if len(lines) <= 1: | |
556 | raise ValueError("can't enter one line string") |
|
556 | raise ValueError("can't enter one line string") | |
557 | return iter(lines) |
|
557 | return iter(lines) | |
558 | return iter(item) |
|
558 | return iter(item) | |
559 | else: |
|
559 | else: | |
560 | return iter(func(mode)) # iter() just to be safe |
|
560 | return iter(func(mode)) # iter() just to be safe | |
561 |
|
561 | |||
562 |
|
562 | |||
563 | class ichain(Pipe): |
|
563 | class ichain(Pipe): | |
564 | """ |
|
564 | """ | |
565 | Chains multiple ``Table``s into one. |
|
565 | Chains multiple ``Table``s into one. | |
566 | """ |
|
566 | """ | |
567 |
|
567 | |||
568 | def __init__(self, *iters): |
|
568 | def __init__(self, *iters): | |
569 | self.iters = iters |
|
569 | self.iters = iters | |
570 |
|
570 | |||
571 | def __xiter__(self, mode): |
|
571 | def __xiter__(self, mode): | |
572 | return itertools.chain(*self.iters) |
|
572 | return itertools.chain(*self.iters) | |
573 |
|
573 | |||
574 | def __xrepr__(self, mode): |
|
574 | def __xrepr__(self, mode): | |
575 | if mode == "header" or mode == "footer": |
|
575 | if mode == "header" or mode == "footer": | |
576 | for (i, item) in enumerate(self.iters): |
|
576 | for (i, item) in enumerate(self.iters): | |
577 | if i: |
|
577 | if i: | |
578 | yield (astyle.style_default, "+") |
|
578 | yield (astyle.style_default, "+") | |
579 | if isinstance(item, Pipe): |
|
579 | if isinstance(item, Pipe): | |
580 | yield (astyle.style_default, "(") |
|
580 | yield (astyle.style_default, "(") | |
581 | for part in xrepr(item, mode): |
|
581 | for part in xrepr(item, mode): | |
582 | yield part |
|
582 | yield part | |
583 | if isinstance(item, Pipe): |
|
583 | if isinstance(item, Pipe): | |
584 | yield (astyle.style_default, ")") |
|
584 | yield (astyle.style_default, ")") | |
585 | else: |
|
585 | else: | |
586 | yield (astyle.style_default, repr(self)) |
|
586 | yield (astyle.style_default, repr(self)) | |
587 |
|
587 | |||
588 | def __repr__(self): |
|
588 | def __repr__(self): | |
589 | args = ", ".join([repr(it) for it in self.iters]) |
|
589 | args = ", ".join([repr(it) for it in self.iters]) | |
590 | return "%s.%s(%s)" % \ |
|
590 | return "%s.%s(%s)" % \ | |
591 | (self.__class__.__module__, self.__class__.__name__, args) |
|
591 | (self.__class__.__module__, self.__class__.__name__, args) | |
592 |
|
592 | |||
593 |
|
593 | |||
594 | class ifile(path.path): |
|
594 | class ifile(path.path): | |
595 | """ |
|
595 | """ | |
596 | file (or directory) object. |
|
596 | file (or directory) object. | |
597 | """ |
|
597 | """ | |
598 |
|
598 | |||
599 | def __add_(self, other): |
|
599 | def __add_(self, other): | |
600 | return ifile(path._base(self) + other) |
|
600 | return ifile(path._base(self) + other) | |
601 |
|
601 | |||
602 | def __radd_(self, other): |
|
602 | def __radd_(self, other): | |
603 | return ifile(other + path._base(self)) |
|
603 | return ifile(other + path._base(self)) | |
604 |
|
604 | |||
605 | def __div_(self, other): |
|
605 | def __div_(self, other): | |
606 | return ifile(path.__div__(self, other)) |
|
606 | return ifile(path.__div__(self, other)) | |
607 |
|
607 | |||
608 | def getcwd(): |
|
608 | def getcwd(): | |
609 | return ifile(path.path.getcwd()) |
|
609 | return ifile(path.path.getcwd()) | |
610 | getcwd.__doc__ = path.path.getcwd.__doc__ |
|
610 | getcwd.__doc__ = path.path.getcwd.__doc__ | |
611 | getcwd = staticmethod(getcwd) |
|
611 | getcwd = staticmethod(getcwd) | |
612 |
|
612 | |||
613 | def abspath(self): |
|
613 | def abspath(self): | |
614 | return ifile(path.path.abspath(self)) |
|
614 | return ifile(path.path.abspath(self)) | |
615 | abspath.__doc__ = path.path.abspath.__doc__ |
|
615 | abspath.__doc__ = path.path.abspath.__doc__ | |
616 |
|
616 | |||
617 | def normcase(self): |
|
617 | def normcase(self): | |
618 | return ifile(path.path.normcase(self)) |
|
618 | return ifile(path.path.normcase(self)) | |
619 | normcase.__doc__ = path.path.normcase.__doc__ |
|
619 | normcase.__doc__ = path.path.normcase.__doc__ | |
620 |
|
620 | |||
621 | def normpath(self): |
|
621 | def normpath(self): | |
622 | return ifile(path.path.normpath(self)) |
|
622 | return ifile(path.path.normpath(self)) | |
623 | normpath.__doc__ = path.path.normpath.__doc__ |
|
623 | normpath.__doc__ = path.path.normpath.__doc__ | |
624 |
|
624 | |||
625 | def realpath(self): |
|
625 | def realpath(self): | |
626 | return ifile(path.path.realpath(self)) |
|
626 | return ifile(path.path.realpath(self)) | |
627 | realpath.__doc__ = path.path.realpath.__doc__ |
|
627 | realpath.__doc__ = path.path.realpath.__doc__ | |
628 |
|
628 | |||
629 | def expanduser(self): |
|
629 | def expanduser(self): | |
630 | return ifile(path.path.expanduser(self)) |
|
630 | return ifile(path.path.expanduser(self)) | |
631 | expanduser.__doc__ = path.path.expanduser.__doc__ |
|
631 | expanduser.__doc__ = path.path.expanduser.__doc__ | |
632 |
|
632 | |||
633 | def expandvars(self): |
|
633 | def expandvars(self): | |
634 | return ifile(path.path.expandvars(self)) |
|
634 | return ifile(path.path.expandvars(self)) | |
635 | expandvars.__doc__ = path.path.expandvars.__doc__ |
|
635 | expandvars.__doc__ = path.path.expandvars.__doc__ | |
636 |
|
636 | |||
637 | def dirname(self): |
|
637 | def dirname(self): | |
638 | return ifile(path.path.dirname(self)) |
|
638 | return ifile(path.path.dirname(self)) | |
639 | dirname.__doc__ = path.path.dirname.__doc__ |
|
639 | dirname.__doc__ = path.path.dirname.__doc__ | |
640 |
|
640 | |||
641 | parent = property(dirname, None, None, path.path.parent.__doc__) |
|
641 | parent = property(dirname, None, None, path.path.parent.__doc__) | |
642 |
|
642 | |||
643 | def splitpath(self): |
|
643 | def splitpath(self): | |
644 | (parent, child) = path.path.splitpath(self) |
|
644 | (parent, child) = path.path.splitpath(self) | |
645 | return (ifile(parent), child) |
|
645 | return (ifile(parent), child) | |
646 | splitpath.__doc__ = path.path.splitpath.__doc__ |
|
646 | splitpath.__doc__ = path.path.splitpath.__doc__ | |
647 |
|
647 | |||
648 | def splitdrive(self): |
|
648 | def splitdrive(self): | |
649 | (drive, rel) = path.path.splitdrive(self) |
|
649 | (drive, rel) = path.path.splitdrive(self) | |
650 | return (ifile(drive), rel) |
|
650 | return (ifile(drive), rel) | |
651 | splitdrive.__doc__ = path.path.splitdrive.__doc__ |
|
651 | splitdrive.__doc__ = path.path.splitdrive.__doc__ | |
652 |
|
652 | |||
653 | def splitext(self): |
|
653 | def splitext(self): | |
654 | (filename, ext) = path.path.splitext(self) |
|
654 | (filename, ext) = path.path.splitext(self) | |
655 | return (ifile(filename), ext) |
|
655 | return (ifile(filename), ext) | |
656 | splitext.__doc__ = path.path.splitext.__doc__ |
|
656 | splitext.__doc__ = path.path.splitext.__doc__ | |
657 |
|
657 | |||
658 | if hasattr(path.path, "splitunc"): |
|
658 | if hasattr(path.path, "splitunc"): | |
659 | def splitunc(self): |
|
659 | def splitunc(self): | |
660 | (unc, rest) = path.path.splitunc(self) |
|
660 | (unc, rest) = path.path.splitunc(self) | |
661 | return (ifile(unc), rest) |
|
661 | return (ifile(unc), rest) | |
662 | splitunc.__doc__ = path.path.splitunc.__doc__ |
|
662 | splitunc.__doc__ = path.path.splitunc.__doc__ | |
663 |
|
663 | |||
664 | def _get_uncshare(self): |
|
664 | def _get_uncshare(self): | |
665 | unc, r = os.path.splitunc(self) |
|
665 | unc, r = os.path.splitunc(self) | |
666 | return ifile(unc) |
|
666 | return ifile(unc) | |
667 |
|
667 | |||
668 | uncshare = property( |
|
668 | uncshare = property( | |
669 | _get_uncshare, None, None, |
|
669 | _get_uncshare, None, None, | |
670 | """ The UNC mount point for this path. |
|
670 | """ The UNC mount point for this path. | |
671 | This is empty for paths on local drives. """) |
|
671 | This is empty for paths on local drives. """) | |
672 |
|
672 | |||
673 | def joinpath(self, *args): |
|
673 | def joinpath(self, *args): | |
674 | return ifile(path.path.joinpath(self, *args)) |
|
674 | return ifile(path.path.joinpath(self, *args)) | |
675 | joinpath.__doc__ = path.path.joinpath.__doc__ |
|
675 | joinpath.__doc__ = path.path.joinpath.__doc__ | |
676 |
|
676 | |||
677 | def splitall(self): |
|
677 | def splitall(self): | |
678 | return map(ifile, path.path.splitall(self)) |
|
678 | return map(ifile, path.path.splitall(self)) | |
679 | splitall.__doc__ = path.path.splitall.__doc__ |
|
679 | splitall.__doc__ = path.path.splitall.__doc__ | |
680 |
|
680 | |||
681 | def relpath(self): |
|
681 | def relpath(self): | |
682 | return ifile(path.path.relpath(self)) |
|
682 | return ifile(path.path.relpath(self)) | |
683 | relpath.__doc__ = path.path.relpath.__doc__ |
|
683 | relpath.__doc__ = path.path.relpath.__doc__ | |
684 |
|
684 | |||
685 | def relpathto(self, dest): |
|
685 | def relpathto(self, dest): | |
686 | return ifile(path.path.relpathto(self, dest)) |
|
686 | return ifile(path.path.relpathto(self, dest)) | |
687 | relpathto.__doc__ = path.path.relpathto.__doc__ |
|
687 | relpathto.__doc__ = path.path.relpathto.__doc__ | |
688 |
|
688 | |||
689 | def listdir(self, pattern=None): |
|
689 | def listdir(self, pattern=None): | |
690 | return [ifile(child) for child in path.path.listdir(self, pattern)] |
|
690 | return [ifile(child) for child in path.path.listdir(self, pattern)] | |
691 | listdir.__doc__ = path.path.listdir.__doc__ |
|
691 | listdir.__doc__ = path.path.listdir.__doc__ | |
692 |
|
692 | |||
693 | def dirs(self, pattern=None): |
|
693 | def dirs(self, pattern=None): | |
694 | return [ifile(child) for child in path.path.dirs(self, pattern)] |
|
694 | return [ifile(child) for child in path.path.dirs(self, pattern)] | |
695 | dirs.__doc__ = path.path.dirs.__doc__ |
|
695 | dirs.__doc__ = path.path.dirs.__doc__ | |
696 |
|
696 | |||
697 | def files(self, pattern=None): |
|
697 | def files(self, pattern=None): | |
698 | return [ifile(child) for child in path.path.files(self, pattern)] |
|
698 | return [ifile(child) for child in path.path.files(self, pattern)] | |
699 | files.__doc__ = path.path.files.__doc__ |
|
699 | files.__doc__ = path.path.files.__doc__ | |
700 |
|
700 | |||
701 | def walk(self, pattern=None): |
|
701 | def walk(self, pattern=None): | |
702 | for child in path.path.walk(self, pattern): |
|
702 | for child in path.path.walk(self, pattern): | |
703 | yield ifile(child) |
|
703 | yield ifile(child) | |
704 | walk.__doc__ = path.path.walk.__doc__ |
|
704 | walk.__doc__ = path.path.walk.__doc__ | |
705 |
|
705 | |||
706 | def walkdirs(self, pattern=None): |
|
706 | def walkdirs(self, pattern=None): | |
707 | for child in path.path.walkdirs(self, pattern): |
|
707 | for child in path.path.walkdirs(self, pattern): | |
708 | yield ifile(child) |
|
708 | yield ifile(child) | |
709 | walkdirs.__doc__ = path.path.walkdirs.__doc__ |
|
709 | walkdirs.__doc__ = path.path.walkdirs.__doc__ | |
710 |
|
710 | |||
711 | def walkfiles(self, pattern=None): |
|
711 | def walkfiles(self, pattern=None): | |
712 | for child in path.path.walkfiles(self, pattern): |
|
712 | for child in path.path.walkfiles(self, pattern): | |
713 | yield ifile(child) |
|
713 | yield ifile(child) | |
714 | walkfiles.__doc__ = path.path.walkfiles.__doc__ |
|
714 | walkfiles.__doc__ = path.path.walkfiles.__doc__ | |
715 |
|
715 | |||
716 | def glob(self, pattern): |
|
716 | def glob(self, pattern): | |
717 | return map(ifile, path.path.glob(self, pattern)) |
|
717 | return map(ifile, path.path.glob(self, pattern)) | |
718 | glob.__doc__ = path.path.glob.__doc__ |
|
718 | glob.__doc__ = path.path.glob.__doc__ | |
719 |
|
719 | |||
720 | if hasattr(os, 'readlink'): |
|
720 | if hasattr(os, 'readlink'): | |
721 | def readlink(self): |
|
721 | def readlink(self): | |
722 | return ifile(path.path.readlink(self)) |
|
722 | return ifile(path.path.readlink(self)) | |
723 | readlink.__doc__ = path.path.readlink.__doc__ |
|
723 | readlink.__doc__ = path.path.readlink.__doc__ | |
724 |
|
724 | |||
725 | def readlinkabs(self): |
|
725 | def readlinkabs(self): | |
726 | return ifile(path.path.readlinkabs(self)) |
|
726 | return ifile(path.path.readlinkabs(self)) | |
727 | readlinkabs.__doc__ = path.path.readlinkabs.__doc__ |
|
727 | readlinkabs.__doc__ = path.path.readlinkabs.__doc__ | |
728 |
|
728 | |||
729 | def getmode(self): |
|
729 | def getmode(self): | |
730 | return self.stat().st_mode |
|
730 | return self.stat().st_mode | |
731 | mode = property(getmode, None, None, "Access mode") |
|
731 | mode = property(getmode, None, None, "Access mode") | |
732 |
|
732 | |||
733 | def gettype(self): |
|
733 | def gettype(self): | |
734 | data = [ |
|
734 | data = [ | |
735 | (stat.S_ISREG, "file"), |
|
735 | (stat.S_ISREG, "file"), | |
736 | (stat.S_ISDIR, "dir"), |
|
736 | (stat.S_ISDIR, "dir"), | |
737 | (stat.S_ISCHR, "chardev"), |
|
737 | (stat.S_ISCHR, "chardev"), | |
738 | (stat.S_ISBLK, "blockdev"), |
|
738 | (stat.S_ISBLK, "blockdev"), | |
739 | (stat.S_ISFIFO, "fifo"), |
|
739 | (stat.S_ISFIFO, "fifo"), | |
740 | (stat.S_ISLNK, "symlink"), |
|
740 | (stat.S_ISLNK, "symlink"), | |
741 | (stat.S_ISSOCK,"socket"), |
|
741 | (stat.S_ISSOCK,"socket"), | |
742 | ] |
|
742 | ] | |
743 | lstat = self.lstat() |
|
743 | lstat = self.lstat() | |
744 | if lstat is not None: |
|
744 | if lstat is not None: | |
745 | types = set([text for (func, text) in data if func(lstat.st_mode)]) |
|
745 | types = set([text for (func, text) in data if func(lstat.st_mode)]) | |
746 | else: |
|
746 | else: | |
747 | types = set() |
|
747 | types = set() | |
748 | m = self.mode |
|
748 | m = self.mode | |
749 | types.update([text for (func, text) in data if func(m)]) |
|
749 | types.update([text for (func, text) in data if func(m)]) | |
750 | return ", ".join(types) |
|
750 | return ", ".join(types) | |
751 | type = property(gettype, None, None, "file type (file, directory, link, etc.)") |
|
751 | type = property(gettype, None, None, "file type (file, directory, link, etc.)") | |
752 |
|
752 | |||
753 | def getmodestr(self): |
|
753 | def getmodestr(self): | |
754 | m = self.mode |
|
754 | m = self.mode | |
755 | data = [ |
|
755 | data = [ | |
756 | (stat.S_IRUSR, "-r"), |
|
756 | (stat.S_IRUSR, "-r"), | |
757 | (stat.S_IWUSR, "-w"), |
|
757 | (stat.S_IWUSR, "-w"), | |
758 | (stat.S_IXUSR, "-x"), |
|
758 | (stat.S_IXUSR, "-x"), | |
759 | (stat.S_IRGRP, "-r"), |
|
759 | (stat.S_IRGRP, "-r"), | |
760 | (stat.S_IWGRP, "-w"), |
|
760 | (stat.S_IWGRP, "-w"), | |
761 | (stat.S_IXGRP, "-x"), |
|
761 | (stat.S_IXGRP, "-x"), | |
762 | (stat.S_IROTH, "-r"), |
|
762 | (stat.S_IROTH, "-r"), | |
763 | (stat.S_IWOTH, "-w"), |
|
763 | (stat.S_IWOTH, "-w"), | |
764 | (stat.S_IXOTH, "-x"), |
|
764 | (stat.S_IXOTH, "-x"), | |
765 | ] |
|
765 | ] | |
766 | return "".join([text[bool(m&bit)] for (bit, text) in data]) |
|
766 | return "".join([text[bool(m&bit)] for (bit, text) in data]) | |
767 |
|
767 | |||
768 | modestr = property(getmodestr, None, None, "Access mode as string") |
|
768 | modestr = property(getmodestr, None, None, "Access mode as string") | |
769 |
|
769 | |||
770 | def getblocks(self): |
|
770 | def getblocks(self): | |
771 | return self.stat().st_blocks |
|
771 | return self.stat().st_blocks | |
772 | blocks = property(getblocks, None, None, "File size in blocks") |
|
772 | blocks = property(getblocks, None, None, "File size in blocks") | |
773 |
|
773 | |||
774 | def getblksize(self): |
|
774 | def getblksize(self): | |
775 | return self.stat().st_blksize |
|
775 | return self.stat().st_blksize | |
776 | blksize = property(getblksize, None, None, "Filesystem block size") |
|
776 | blksize = property(getblksize, None, None, "Filesystem block size") | |
777 |
|
777 | |||
778 | def getdev(self): |
|
778 | def getdev(self): | |
779 | return self.stat().st_dev |
|
779 | return self.stat().st_dev | |
780 | dev = property(getdev) |
|
780 | dev = property(getdev) | |
781 |
|
781 | |||
782 | def getnlink(self): |
|
782 | def getnlink(self): | |
783 | return self.stat().st_nlink |
|
783 | return self.stat().st_nlink | |
784 | nlink = property(getnlink, None, None, "Number of links") |
|
784 | nlink = property(getnlink, None, None, "Number of links") | |
785 |
|
785 | |||
786 | def getuid(self): |
|
786 | def getuid(self): | |
787 | return self.stat().st_uid |
|
787 | return self.stat().st_uid | |
788 | uid = property(getuid, None, None, "User id of file owner") |
|
788 | uid = property(getuid, None, None, "User id of file owner") | |
789 |
|
789 | |||
790 | def getgid(self): |
|
790 | def getgid(self): | |
791 | return self.stat().st_gid |
|
791 | return self.stat().st_gid | |
792 | gid = property(getgid, None, None, "Group id of file owner") |
|
792 | gid = property(getgid, None, None, "Group id of file owner") | |
793 |
|
793 | |||
794 | def getowner(self): |
|
794 | def getowner(self): | |
795 | stat = self.stat() |
|
795 | stat = self.stat() | |
796 | try: |
|
796 | try: | |
797 | return pwd.getpwuid(stat.st_uid).pw_name |
|
797 | return pwd.getpwuid(stat.st_uid).pw_name | |
798 | except KeyError: |
|
798 | except KeyError: | |
799 | return stat.st_uid |
|
799 | return stat.st_uid | |
800 | owner = property(getowner, None, None, "Owner name (or id)") |
|
800 | owner = property(getowner, None, None, "Owner name (or id)") | |
801 |
|
801 | |||
802 | def getgroup(self): |
|
802 | def getgroup(self): | |
803 | stat = self.stat() |
|
803 | stat = self.stat() | |
804 | try: |
|
804 | try: | |
805 | return grp.getgrgid(stat.st_gid).gr_name |
|
805 | return grp.getgrgid(stat.st_gid).gr_name | |
806 | except KeyError: |
|
806 | except KeyError: | |
807 | return stat.st_gid |
|
807 | return stat.st_gid | |
808 | group = property(getgroup, None, None, "Group name (or id)") |
|
808 | group = property(getgroup, None, None, "Group name (or id)") | |
809 |
|
809 | |||
810 | def getadate(self): |
|
810 | def getadate(self): | |
811 | return datetime.datetime.utcfromtimestamp(self.atime) |
|
811 | return datetime.datetime.utcfromtimestamp(self.atime) | |
812 | adate = property(getadate, None, None, "Access date") |
|
812 | adate = property(getadate, None, None, "Access date") | |
813 |
|
813 | |||
814 | def getcdate(self): |
|
814 | def getcdate(self): | |
815 | return datetime.datetime.utcfromtimestamp(self.ctime) |
|
815 | return datetime.datetime.utcfromtimestamp(self.ctime) | |
816 | cdate = property(getcdate, None, None, "Creation date") |
|
816 | cdate = property(getcdate, None, None, "Creation date") | |
817 |
|
817 | |||
818 | def getmdate(self): |
|
818 | def getmdate(self): | |
819 | return datetime.datetime.utcfromtimestamp(self.mtime) |
|
819 | return datetime.datetime.utcfromtimestamp(self.mtime) | |
820 | mdate = property(getmdate, None, None, "Modification date") |
|
820 | mdate = property(getmdate, None, None, "Modification date") | |
821 |
|
821 | |||
822 | def getmimetype(self): |
|
822 | def getmimetype(self): | |
823 | return mimetypes.guess_type(self.basename())[0] |
|
823 | return mimetypes.guess_type(self.basename())[0] | |
824 | mimetype = property(getmimetype, None, None, "MIME type") |
|
824 | mimetype = property(getmimetype, None, None, "MIME type") | |
825 |
|
825 | |||
826 | def getencoding(self): |
|
826 | def getencoding(self): | |
827 | return mimetypes.guess_type(self.basename())[1] |
|
827 | return mimetypes.guess_type(self.basename())[1] | |
828 | encoding = property(getencoding, None, None, "Compression") |
|
828 | encoding = property(getencoding, None, None, "Compression") | |
829 |
|
829 | |||
830 | def __repr__(self): |
|
830 | def __repr__(self): | |
831 | return "ifile(%s)" % path._base.__repr__(self) |
|
831 | return "ifile(%s)" % path._base.__repr__(self) | |
832 |
|
832 | |||
833 | defaultattrs = (None, "type", "size", "modestr", "owner", "group", "mdate") |
|
833 | defaultattrs = (None, "type", "size", "modestr", "owner", "group", "mdate") | |
834 |
|
834 | |||
835 | def __xattrs__(self, mode): |
|
835 | def __xattrs__(self, mode): | |
836 | if mode == "detail": |
|
836 | if mode == "detail": | |
837 | return ( |
|
837 | return ( | |
838 | "name", "basename()", "abspath()", "realpath()", |
|
838 | "name", "basename()", "abspath()", "realpath()", | |
839 | "type", "mode", "modestr", "stat()", "lstat()", |
|
839 | "type", "mode", "modestr", "stat()", "lstat()", | |
840 | "uid", "gid", "owner", "group", "dev", "nlink", |
|
840 | "uid", "gid", "owner", "group", "dev", "nlink", | |
841 | "ctime", "mtime", "atime", "cdate", "mdate", "adate", |
|
841 | "ctime", "mtime", "atime", "cdate", "mdate", "adate", | |
842 | "size", "blocks", "blksize", "isdir()", "islink()", |
|
842 | "size", "blocks", "blksize", "isdir()", "islink()", | |
843 | "mimetype", "encoding" |
|
843 | "mimetype", "encoding" | |
844 | ) |
|
844 | ) | |
845 | return self.defaultattrs |
|
845 | return self.defaultattrs | |
846 |
|
846 | |||
847 | def __xrepr__(self, mode): |
|
847 | def __xrepr__(self, mode): | |
848 | try: |
|
848 | try: | |
849 | if self.isdir(): |
|
849 | if self.isdir(): | |
850 | name = "idir" |
|
850 | name = "idir" | |
851 | style = astyle.style_dir |
|
851 | style = astyle.style_dir | |
852 | else: |
|
852 | else: | |
853 | name = "ifile" |
|
853 | name = "ifile" | |
854 | style = astyle.style_file |
|
854 | style = astyle.style_file | |
855 | except IOError: |
|
855 | except IOError: | |
856 | name = "ifile" |
|
856 | name = "ifile" | |
857 | style = astyle.style_default |
|
857 | style = astyle.style_default | |
858 | if mode == "cell" or mode in "header" or mode == "footer": |
|
858 | if mode == "cell" or mode in "header" or mode == "footer": | |
859 | abspath = repr(path._base(self.normpath())) |
|
859 | abspath = repr(path._base(self.normpath())) | |
860 | if abspath.startswith("u"): |
|
860 | if abspath.startswith("u"): | |
861 | abspath = abspath[2:-1] |
|
861 | abspath = abspath[2:-1] | |
862 | else: |
|
862 | else: | |
863 | abspath = abspath[1:-1] |
|
863 | abspath = abspath[1:-1] | |
864 | if mode == "cell": |
|
864 | if mode == "cell": | |
865 | yield (style, abspath) |
|
865 | yield (style, abspath) | |
866 | else: |
|
866 | else: | |
867 | yield (style, "%s(%s)" % (name, abspath)) |
|
867 | yield (style, "%s(%s)" % (name, abspath)) | |
868 | else: |
|
868 | else: | |
869 | yield (style, repr(self)) |
|
869 | yield (style, repr(self)) | |
870 |
|
870 | |||
871 | def __xiter__(self, mode): |
|
871 | def __xiter__(self, mode): | |
872 | if self.isdir(): |
|
872 | if self.isdir(): | |
873 | yield iparentdir(self / os.pardir) |
|
873 | yield iparentdir(self / os.pardir) | |
874 | for child in sorted(self.listdir()): |
|
874 | for child in sorted(self.listdir()): | |
875 | yield child |
|
875 | yield child | |
876 | else: |
|
876 | else: | |
877 | f = self.open("rb") |
|
877 | f = self.open("rb") | |
878 | for line in f: |
|
878 | for line in f: | |
879 | yield line |
|
879 | yield line | |
880 | f.close() |
|
880 | f.close() | |
881 |
|
881 | |||
882 |
|
882 | |||
883 | class iparentdir(ifile): |
|
883 | class iparentdir(ifile): | |
884 | def __xrepr__(self, mode): |
|
884 | def __xrepr__(self, mode): | |
885 | if mode == "cell": |
|
885 | if mode == "cell": | |
886 | yield (astyle.style_dir, os.pardir) |
|
886 | yield (astyle.style_dir, os.pardir) | |
887 | else: |
|
887 | else: | |
888 | for part in ifile.__xrepr__(self, mode): |
|
888 | for part in ifile.__xrepr__(self, mode): | |
889 | yield part |
|
889 | yield part | |
890 |
|
890 | |||
891 |
|
891 | |||
892 | class ils(Table): |
|
892 | class ils(Table): | |
893 | """ |
|
893 | """ | |
894 | List the current (or a specific) directory. |
|
894 | List the current (or a specific) directory. | |
895 |
|
895 | |||
896 | Examples: |
|
896 | Examples: | |
897 |
|
897 | |||
898 | >>> ils |
|
898 | >>> ils | |
899 | >>> ils("/usr/local/lib/python2.4") |
|
899 | >>> ils("/usr/local/lib/python2.4") | |
900 | >>> ils("~") |
|
900 | >>> ils("~") | |
901 | """ |
|
901 | """ | |
902 | def __init__(self, base=os.curdir): |
|
902 | def __init__(self, base=os.curdir): | |
903 | self.base = os.path.expanduser(base) |
|
903 | self.base = os.path.expanduser(base) | |
904 |
|
904 | |||
905 | def __xiter__(self, mode): |
|
905 | def __xiter__(self, mode): | |
906 | return xiter(ifile(self.base), mode) |
|
906 | return xiter(ifile(self.base), mode) | |
907 |
|
907 | |||
908 | def __xrepr__(self, mode): |
|
908 | def __xrepr__(self, mode): | |
909 | return ifile(self.base).__xrepr__(mode) |
|
909 | return ifile(self.base).__xrepr__(mode) | |
910 |
|
910 | |||
911 | def __repr__(self): |
|
911 | def __repr__(self): | |
912 | return "%s.%s(%r)" % \ |
|
912 | return "%s.%s(%r)" % \ | |
913 | (self.__class__.__module__, self.__class__.__name__, self.base) |
|
913 | (self.__class__.__module__, self.__class__.__name__, self.base) | |
914 |
|
914 | |||
915 |
|
915 | |||
916 | class iglob(Table): |
|
916 | class iglob(Table): | |
917 | """ |
|
917 | """ | |
918 | List all files and directories matching a specified pattern. |
|
918 | List all files and directories matching a specified pattern. | |
919 | (See ``glob.glob()`` for more info.). |
|
919 | (See ``glob.glob()`` for more info.). | |
920 |
|
920 | |||
921 | Examples: |
|
921 | Examples: | |
922 |
|
922 | |||
923 | >>> iglob("*.py") |
|
923 | >>> iglob("*.py") | |
924 | """ |
|
924 | """ | |
925 | def __init__(self, glob): |
|
925 | def __init__(self, glob): | |
926 | self.glob = glob |
|
926 | self.glob = glob | |
927 |
|
927 | |||
928 | def __xiter__(self, mode): |
|
928 | def __xiter__(self, mode): | |
929 | for name in glob.glob(self.glob): |
|
929 | for name in glob.glob(self.glob): | |
930 | yield ifile(name) |
|
930 | yield ifile(name) | |
931 |
|
931 | |||
932 | def __xrepr__(self, mode): |
|
932 | def __xrepr__(self, mode): | |
933 | if mode == "header" or mode == "footer" or mode == "cell": |
|
933 | if mode == "header" or mode == "footer" or mode == "cell": | |
934 | yield (astyle.style_default, |
|
934 | yield (astyle.style_default, | |
935 | "%s(%r)" % (self.__class__.__name__, self.glob)) |
|
935 | "%s(%r)" % (self.__class__.__name__, self.glob)) | |
936 | else: |
|
936 | else: | |
937 | yield (astyle.style_default, repr(self)) |
|
937 | yield (astyle.style_default, repr(self)) | |
938 |
|
938 | |||
939 | def __repr__(self): |
|
939 | def __repr__(self): | |
940 | return "%s.%s(%r)" % \ |
|
940 | return "%s.%s(%r)" % \ | |
941 | (self.__class__.__module__, self.__class__.__name__, self.glob) |
|
941 | (self.__class__.__module__, self.__class__.__name__, self.glob) | |
942 |
|
942 | |||
943 |
|
943 | |||
944 | class iwalk(Table): |
|
944 | class iwalk(Table): | |
945 | """ |
|
945 | """ | |
946 | List all files and directories in a directory and it's subdirectory. |
|
946 | List all files and directories in a directory and it's subdirectory. | |
947 |
|
947 | |||
948 | >>> iwalk |
|
948 | >>> iwalk | |
949 | >>> iwalk("/usr/local/lib/python2.4") |
|
949 | >>> iwalk("/usr/local/lib/python2.4") | |
950 | >>> iwalk("~") |
|
950 | >>> iwalk("~") | |
951 | """ |
|
951 | """ | |
952 | def __init__(self, base=os.curdir, dirs=True, files=True): |
|
952 | def __init__(self, base=os.curdir, dirs=True, files=True): | |
953 | self.base = os.path.expanduser(base) |
|
953 | self.base = os.path.expanduser(base) | |
954 | self.dirs = dirs |
|
954 | self.dirs = dirs | |
955 | self.files = files |
|
955 | self.files = files | |
956 |
|
956 | |||
957 | def __xiter__(self, mode): |
|
957 | def __xiter__(self, mode): | |
958 | for (dirpath, dirnames, filenames) in os.walk(self.base): |
|
958 | for (dirpath, dirnames, filenames) in os.walk(self.base): | |
959 | if self.dirs: |
|
959 | if self.dirs: | |
960 | for name in sorted(dirnames): |
|
960 | for name in sorted(dirnames): | |
961 | yield ifile(os.path.join(dirpath, name)) |
|
961 | yield ifile(os.path.join(dirpath, name)) | |
962 | if self.files: |
|
962 | if self.files: | |
963 | for name in sorted(filenames): |
|
963 | for name in sorted(filenames): | |
964 | yield ifile(os.path.join(dirpath, name)) |
|
964 | yield ifile(os.path.join(dirpath, name)) | |
965 |
|
965 | |||
966 | def __xrepr__(self, mode): |
|
966 | def __xrepr__(self, mode): | |
967 | if mode == "header" or mode == "footer" or mode == "cell": |
|
967 | if mode == "header" or mode == "footer" or mode == "cell": | |
968 | yield (astyle.style_default, |
|
968 | yield (astyle.style_default, | |
969 | "%s(%r)" % (self.__class__.__name__, self.base)) |
|
969 | "%s(%r)" % (self.__class__.__name__, self.base)) | |
970 | else: |
|
970 | else: | |
971 | yield (astyle.style_default, repr(self)) |
|
971 | yield (astyle.style_default, repr(self)) | |
972 |
|
972 | |||
973 | def __repr__(self): |
|
973 | def __repr__(self): | |
974 | return "%s.%s(%r)" % \ |
|
974 | return "%s.%s(%r)" % \ | |
975 | (self.__class__.__module__, self.__class__.__name__, self.base) |
|
975 | (self.__class__.__module__, self.__class__.__name__, self.base) | |
976 |
|
976 | |||
977 |
|
977 | |||
978 | class ipwdentry(object): |
|
978 | class ipwdentry(object): | |
979 | """ |
|
979 | """ | |
980 | ``ipwdentry`` objects encapsulate entries in the Unix user account and |
|
980 | ``ipwdentry`` objects encapsulate entries in the Unix user account and | |
981 | password database. |
|
981 | password database. | |
982 | """ |
|
982 | """ | |
983 | def __init__(self, id): |
|
983 | def __init__(self, id): | |
984 | self._id = id |
|
984 | self._id = id | |
985 | self._entry = None |
|
985 | self._entry = None | |
986 |
|
986 | |||
987 | def _getentry(self): |
|
987 | def _getentry(self): | |
988 | if self._entry is None: |
|
988 | if self._entry is None: | |
989 | if isinstance(self._id, basestring): |
|
989 | if isinstance(self._id, basestring): | |
990 | self._entry = pwd.getpwnam(self._id) |
|
990 | self._entry = pwd.getpwnam(self._id) | |
991 | else: |
|
991 | else: | |
992 | self._entry = pwd.getpwuid(self._id) |
|
992 | self._entry = pwd.getpwuid(self._id) | |
993 | return self._entry |
|
993 | return self._entry | |
994 |
|
994 | |||
995 | def getname(self): |
|
995 | def getname(self): | |
996 | if isinstance(self._id, basestring): |
|
996 | if isinstance(self._id, basestring): | |
997 | return self._id |
|
997 | return self._id | |
998 | else: |
|
998 | else: | |
999 | return self._getentry().pw_name |
|
999 | return self._getentry().pw_name | |
1000 | name = property(getname, None, None, "User name") |
|
1000 | name = property(getname, None, None, "User name") | |
1001 |
|
1001 | |||
1002 | def getpasswd(self): |
|
1002 | def getpasswd(self): | |
1003 | return self._getentry().pw_passwd |
|
1003 | return self._getentry().pw_passwd | |
1004 | passwd = property(getpasswd, None, None, "Password") |
|
1004 | passwd = property(getpasswd, None, None, "Password") | |
1005 |
|
1005 | |||
1006 | def getuid(self): |
|
1006 | def getuid(self): | |
1007 | if isinstance(self._id, basestring): |
|
1007 | if isinstance(self._id, basestring): | |
1008 | return self._getentry().pw_uid |
|
1008 | return self._getentry().pw_uid | |
1009 | else: |
|
1009 | else: | |
1010 | return self._id |
|
1010 | return self._id | |
1011 | uid = property(getuid, None, None, "User id") |
|
1011 | uid = property(getuid, None, None, "User id") | |
1012 |
|
1012 | |||
1013 | def getgid(self): |
|
1013 | def getgid(self): | |
1014 | return self._getentry().pw_gid |
|
1014 | return self._getentry().pw_gid | |
1015 | gid = property(getgid, None, None, "Primary group id") |
|
1015 | gid = property(getgid, None, None, "Primary group id") | |
1016 |
|
1016 | |||
1017 | def getgroup(self): |
|
1017 | def getgroup(self): | |
1018 | return igrpentry(self.gid) |
|
1018 | return igrpentry(self.gid) | |
1019 | group = property(getgroup, None, None, "Group") |
|
1019 | group = property(getgroup, None, None, "Group") | |
1020 |
|
1020 | |||
1021 | def getgecos(self): |
|
1021 | def getgecos(self): | |
1022 | return self._getentry().pw_gecos |
|
1022 | return self._getentry().pw_gecos | |
1023 | gecos = property(getgecos, None, None, "Information (e.g. full user name)") |
|
1023 | gecos = property(getgecos, None, None, "Information (e.g. full user name)") | |
1024 |
|
1024 | |||
1025 | def getdir(self): |
|
1025 | def getdir(self): | |
1026 | return self._getentry().pw_dir |
|
1026 | return self._getentry().pw_dir | |
1027 | dir = property(getdir, None, None, "$HOME directory") |
|
1027 | dir = property(getdir, None, None, "$HOME directory") | |
1028 |
|
1028 | |||
1029 | def getshell(self): |
|
1029 | def getshell(self): | |
1030 | return self._getentry().pw_shell |
|
1030 | return self._getentry().pw_shell | |
1031 | shell = property(getshell, None, None, "Login shell") |
|
1031 | shell = property(getshell, None, None, "Login shell") | |
1032 |
|
1032 | |||
1033 | def __xattrs__(self, mode): |
|
1033 | def __xattrs__(self, mode): | |
1034 | return ("name", "passwd", "uid", "gid", "gecos", "dir", "shell") |
|
1034 | return ("name", "passwd", "uid", "gid", "gecos", "dir", "shell") | |
1035 |
|
1035 | |||
1036 | def __repr__(self): |
|
1036 | def __repr__(self): | |
1037 | return "%s.%s(%r)" % \ |
|
1037 | return "%s.%s(%r)" % \ | |
1038 | (self.__class__.__module__, self.__class__.__name__, self._id) |
|
1038 | (self.__class__.__module__, self.__class__.__name__, self._id) | |
1039 |
|
1039 | |||
1040 |
|
1040 | |||
1041 | class ipwd(Table): |
|
1041 | class ipwd(Table): | |
1042 | """ |
|
1042 | """ | |
1043 | List all entries in the Unix user account and password database. |
|
1043 | List all entries in the Unix user account and password database. | |
1044 |
|
1044 | |||
1045 | Example: |
|
1045 | Example: | |
1046 |
|
1046 | |||
1047 | >>> ipwd | isort("uid") |
|
1047 | >>> ipwd | isort("uid") | |
1048 | """ |
|
1048 | """ | |
1049 | def __iter__(self): |
|
1049 | def __iter__(self): | |
1050 | for entry in pwd.getpwall(): |
|
1050 | for entry in pwd.getpwall(): | |
1051 | yield ipwdentry(entry.pw_name) |
|
1051 | yield ipwdentry(entry.pw_name) | |
1052 |
|
1052 | |||
1053 | def __xrepr__(self, mode): |
|
1053 | def __xrepr__(self, mode): | |
1054 | if mode == "header" or mode == "footer" or mode == "cell": |
|
1054 | if mode == "header" or mode == "footer" or mode == "cell": | |
1055 | yield (astyle.style_default, "%s()" % self.__class__.__name__) |
|
1055 | yield (astyle.style_default, "%s()" % self.__class__.__name__) | |
1056 | else: |
|
1056 | else: | |
1057 | yield (astyle.style_default, repr(self)) |
|
1057 | yield (astyle.style_default, repr(self)) | |
1058 |
|
1058 | |||
1059 |
|
1059 | |||
1060 | class igrpentry(object): |
|
1060 | class igrpentry(object): | |
1061 | """ |
|
1061 | """ | |
1062 | ``igrpentry`` objects encapsulate entries in the Unix group database. |
|
1062 | ``igrpentry`` objects encapsulate entries in the Unix group database. | |
1063 | """ |
|
1063 | """ | |
1064 | def __init__(self, id): |
|
1064 | def __init__(self, id): | |
1065 | self._id = id |
|
1065 | self._id = id | |
1066 | self._entry = None |
|
1066 | self._entry = None | |
1067 |
|
1067 | |||
1068 | def _getentry(self): |
|
1068 | def _getentry(self): | |
1069 | if self._entry is None: |
|
1069 | if self._entry is None: | |
1070 | if isinstance(self._id, basestring): |
|
1070 | if isinstance(self._id, basestring): | |
1071 | self._entry = grp.getgrnam(self._id) |
|
1071 | self._entry = grp.getgrnam(self._id) | |
1072 | else: |
|
1072 | else: | |
1073 | self._entry = grp.getgrgid(self._id) |
|
1073 | self._entry = grp.getgrgid(self._id) | |
1074 | return self._entry |
|
1074 | return self._entry | |
1075 |
|
1075 | |||
1076 | def getname(self): |
|
1076 | def getname(self): | |
1077 | if isinstance(self._id, basestring): |
|
1077 | if isinstance(self._id, basestring): | |
1078 | return self._id |
|
1078 | return self._id | |
1079 | else: |
|
1079 | else: | |
1080 | return self._getentry().gr_name |
|
1080 | return self._getentry().gr_name | |
1081 | name = property(getname, None, None, "Group name") |
|
1081 | name = property(getname, None, None, "Group name") | |
1082 |
|
1082 | |||
1083 | def getpasswd(self): |
|
1083 | def getpasswd(self): | |
1084 | return self._getentry().gr_passwd |
|
1084 | return self._getentry().gr_passwd | |
1085 | passwd = property(getpasswd, None, None, "Password") |
|
1085 | passwd = property(getpasswd, None, None, "Password") | |
1086 |
|
1086 | |||
1087 | def getgid(self): |
|
1087 | def getgid(self): | |
1088 | if isinstance(self._id, basestring): |
|
1088 | if isinstance(self._id, basestring): | |
1089 | return self._getentry().gr_gid |
|
1089 | return self._getentry().gr_gid | |
1090 | else: |
|
1090 | else: | |
1091 | return self._id |
|
1091 | return self._id | |
1092 | gid = property(getgid, None, None, "Group id") |
|
1092 | gid = property(getgid, None, None, "Group id") | |
1093 |
|
1093 | |||
1094 | def getmem(self): |
|
1094 | def getmem(self): | |
1095 | return self._getentry().gr_mem |
|
1095 | return self._getentry().gr_mem | |
1096 | mem = property(getmem, None, None, "Members") |
|
1096 | mem = property(getmem, None, None, "Members") | |
1097 |
|
1097 | |||
1098 | def __xattrs__(self, mode): |
|
1098 | def __xattrs__(self, mode): | |
1099 | return ("name", "passwd", "gid", "mem") |
|
1099 | return ("name", "passwd", "gid", "mem") | |
1100 |
|
1100 | |||
1101 | def __xrepr__(self, mode): |
|
1101 | def __xrepr__(self, mode): | |
1102 | if mode == "header" or mode == "footer" or mode == "cell": |
|
1102 | if mode == "header" or mode == "footer" or mode == "cell": | |
1103 | yield (astyle.style_default, "group ") |
|
1103 | yield (astyle.style_default, "group ") | |
1104 | try: |
|
1104 | try: | |
1105 | yield (astyle.style_default, self.name) |
|
1105 | yield (astyle.style_default, self.name) | |
1106 | except KeyError: |
|
1106 | except KeyError: | |
1107 | if isinstance(self._id, basestring): |
|
1107 | if isinstance(self._id, basestring): | |
1108 | yield (astyle.style_default, self.name_id) |
|
1108 | yield (astyle.style_default, self.name_id) | |
1109 | else: |
|
1109 | else: | |
1110 | yield (astyle.style_type_number, str(self._id)) |
|
1110 | yield (astyle.style_type_number, str(self._id)) | |
1111 | else: |
|
1111 | else: | |
1112 | yield (astyle.style_default, repr(self)) |
|
1112 | yield (astyle.style_default, repr(self)) | |
1113 |
|
1113 | |||
1114 | def __xiter__(self, mode): |
|
1114 | def __xiter__(self, mode): | |
1115 | for member in self.mem: |
|
1115 | for member in self.mem: | |
1116 | yield ipwdentry(member) |
|
1116 | yield ipwdentry(member) | |
1117 |
|
1117 | |||
1118 | def __repr__(self): |
|
1118 | def __repr__(self): | |
1119 | return "%s.%s(%r)" % \ |
|
1119 | return "%s.%s(%r)" % \ | |
1120 | (self.__class__.__module__, self.__class__.__name__, self._id) |
|
1120 | (self.__class__.__module__, self.__class__.__name__, self._id) | |
1121 |
|
1121 | |||
1122 |
|
1122 | |||
1123 | class igrp(Table): |
|
1123 | class igrp(Table): | |
1124 | """ |
|
1124 | """ | |
1125 | This ``Table`` lists all entries in the Unix group database. |
|
1125 | This ``Table`` lists all entries in the Unix group database. | |
1126 | """ |
|
1126 | """ | |
1127 | def __xiter__(self, mode): |
|
1127 | def __xiter__(self, mode): | |
1128 | for entry in grp.getgrall(): |
|
1128 | for entry in grp.getgrall(): | |
1129 | yield igrpentry(entry.gr_name) |
|
1129 | yield igrpentry(entry.gr_name) | |
1130 |
|
1130 | |||
1131 | def __xrepr__(self, mode): |
|
1131 | def __xrepr__(self, mode): | |
1132 | if mode == "header" or mode == "footer": |
|
1132 | if mode == "header" or mode == "footer": | |
1133 | yield (astyle.style_default, "%s()" % self.__class__.__name__) |
|
1133 | yield (astyle.style_default, "%s()" % self.__class__.__name__) | |
1134 | else: |
|
1134 | else: | |
1135 | yield (astyle.style_default, repr(self)) |
|
1135 | yield (astyle.style_default, repr(self)) | |
1136 |
|
1136 | |||
1137 |
|
1137 | |||
1138 | class Fields(object): |
|
1138 | class Fields(object): | |
1139 | def __init__(self, fieldnames, **fields): |
|
1139 | def __init__(self, fieldnames, **fields): | |
1140 | self.__fieldnames = fieldnames |
|
1140 | self.__fieldnames = fieldnames | |
1141 | for (key, value) in fields.iteritems(): |
|
1141 | for (key, value) in fields.iteritems(): | |
1142 | setattr(self, key, value) |
|
1142 | setattr(self, key, value) | |
1143 |
|
1143 | |||
1144 | def __xattrs__(self, mode): |
|
1144 | def __xattrs__(self, mode): | |
1145 | return self.__fieldnames |
|
1145 | return self.__fieldnames | |
1146 |
|
1146 | |||
1147 | def __xrepr__(self, mode): |
|
1147 | def __xrepr__(self, mode): | |
1148 | yield (-1, False) |
|
1148 | yield (-1, False) | |
1149 | if mode == "header" or mode == "cell": |
|
1149 | if mode == "header" or mode == "cell": | |
1150 | yield (astyle.style_default, self.__class__.__name__) |
|
1150 | yield (astyle.style_default, self.__class__.__name__) | |
1151 | yield (astyle.style_default, "(") |
|
1151 | yield (astyle.style_default, "(") | |
1152 | for (i, f) in enumerate(self.__fieldnames): |
|
1152 | for (i, f) in enumerate(self.__fieldnames): | |
1153 | if i: |
|
1153 | if i: | |
1154 | yield (astyle.style_default, ", ") |
|
1154 | yield (astyle.style_default, ", ") | |
1155 | yield (astyle.style_default, f) |
|
1155 | yield (astyle.style_default, f) | |
1156 | yield (astyle.style_default, "=") |
|
1156 | yield (astyle.style_default, "=") | |
1157 | for part in xrepr(getattr(self, f), "default"): |
|
1157 | for part in xrepr(getattr(self, f), "default"): | |
1158 | yield part |
|
1158 | yield part | |
1159 | yield (astyle.style_default, ")") |
|
1159 | yield (astyle.style_default, ")") | |
1160 | elif mode == "footer": |
|
1160 | elif mode == "footer": | |
1161 | yield (astyle.style_default, self.__class__.__name__) |
|
1161 | yield (astyle.style_default, self.__class__.__name__) | |
1162 | yield (astyle.style_default, "(") |
|
1162 | yield (astyle.style_default, "(") | |
1163 | for (i, f) in enumerate(self.__fieldnames): |
|
1163 | for (i, f) in enumerate(self.__fieldnames): | |
1164 | if i: |
|
1164 | if i: | |
1165 | yield (astyle.style_default, ", ") |
|
1165 | yield (astyle.style_default, ", ") | |
1166 | yield (astyle.style_default, f) |
|
1166 | yield (astyle.style_default, f) | |
1167 | yield (astyle.style_default, ")") |
|
1167 | yield (astyle.style_default, ")") | |
1168 | else: |
|
1168 | else: | |
1169 | yield (astyle.style_default, repr(self)) |
|
1169 | yield (astyle.style_default, repr(self)) | |
1170 |
|
1170 | |||
1171 |
|
1171 | |||
1172 | class FieldTable(Table, list): |
|
1172 | class FieldTable(Table, list): | |
1173 | def __init__(self, *fields): |
|
1173 | def __init__(self, *fields): | |
1174 | Table.__init__(self) |
|
1174 | Table.__init__(self) | |
1175 | list.__init__(self) |
|
1175 | list.__init__(self) | |
1176 | self.fields = fields |
|
1176 | self.fields = fields | |
1177 |
|
1177 | |||
1178 | def add(self, **fields): |
|
1178 | def add(self, **fields): | |
1179 | self.append(Fields(self.fields, **fields)) |
|
1179 | self.append(Fields(self.fields, **fields)) | |
1180 |
|
1180 | |||
1181 | def __xiter__(self, mode): |
|
1181 | def __xiter__(self, mode): | |
1182 | return list.__iter__(self) |
|
1182 | return list.__iter__(self) | |
1183 |
|
1183 | |||
1184 | def __xrepr__(self, mode): |
|
1184 | def __xrepr__(self, mode): | |
1185 | yield (-1, False) |
|
1185 | yield (-1, False) | |
1186 | if mode == "header" or mode == "footer": |
|
1186 | if mode == "header" or mode == "footer": | |
1187 | yield (astyle.style_default, self.__class__.__name__) |
|
1187 | yield (astyle.style_default, self.__class__.__name__) | |
1188 | yield (astyle.style_default, "(") |
|
1188 | yield (astyle.style_default, "(") | |
1189 | for (i, f) in enumerate(self.__fieldnames): |
|
1189 | for (i, f) in enumerate(self.__fieldnames): | |
1190 | if i: |
|
1190 | if i: | |
1191 | yield (astyle.style_default, ", ") |
|
1191 | yield (astyle.style_default, ", ") | |
1192 | yield (astyle.style_default, f) |
|
1192 | yield (astyle.style_default, f) | |
1193 | yield (astyle.style_default, ")") |
|
1193 | yield (astyle.style_default, ")") | |
1194 | else: |
|
1194 | else: | |
1195 | yield (astyle.style_default, repr(self)) |
|
1195 | yield (astyle.style_default, repr(self)) | |
1196 |
|
1196 | |||
1197 | def __repr__(self): |
|
1197 | def __repr__(self): | |
1198 | return "<%s.%s object with fields=%r at 0x%x>" % \ |
|
1198 | return "<%s.%s object with fields=%r at 0x%x>" % \ | |
1199 | (self.__class__.__module__, self.__class__.__name__, |
|
1199 | (self.__class__.__module__, self.__class__.__name__, | |
1200 | ", ".join(map(repr, self.fields)), id(self)) |
|
1200 | ", ".join(map(repr, self.fields)), id(self)) | |
1201 |
|
1201 | |||
1202 |
|
1202 | |||
1203 | class List(list): |
|
1203 | class List(list): | |
1204 | def __xattrs__(self, mode): |
|
1204 | def __xattrs__(self, mode): | |
1205 | return xrange(len(self)) |
|
1205 | return xrange(len(self)) | |
1206 |
|
1206 | |||
1207 | def __xrepr__(self, mode): |
|
1207 | def __xrepr__(self, mode): | |
1208 | yield (-1, False) |
|
1208 | yield (-1, False) | |
1209 | if mode == "header" or mode == "cell" or mode == "footer" or mode == "default": |
|
1209 | if mode == "header" or mode == "cell" or mode == "footer" or mode == "default": | |
1210 | yield (astyle.style_default, self.__class__.__name__) |
|
1210 | yield (astyle.style_default, self.__class__.__name__) | |
1211 | yield (astyle.style_default, "(") |
|
1211 | yield (astyle.style_default, "(") | |
1212 | for (i, item) in enumerate(self): |
|
1212 | for (i, item) in enumerate(self): | |
1213 | if i: |
|
1213 | if i: | |
1214 | yield (astyle.style_default, ", ") |
|
1214 | yield (astyle.style_default, ", ") | |
1215 | for part in xrepr(item, "default"): |
|
1215 | for part in xrepr(item, "default"): | |
1216 | yield part |
|
1216 | yield part | |
1217 | yield (astyle.style_default, ")") |
|
1217 | yield (astyle.style_default, ")") | |
1218 | else: |
|
1218 | else: | |
1219 | yield (astyle.style_default, repr(self)) |
|
1219 | yield (astyle.style_default, repr(self)) | |
1220 |
|
1220 | |||
1221 |
|
1221 | |||
1222 | class ienv(Table): |
|
1222 | class ienv(Table): | |
1223 | """ |
|
1223 | """ | |
1224 | List environment variables. |
|
1224 | List environment variables. | |
1225 |
|
1225 | |||
1226 | Example: |
|
1226 | Example: | |
1227 |
|
1227 | |||
1228 | >>> ienv |
|
1228 | >>> ienv | |
1229 | """ |
|
1229 | """ | |
1230 |
|
1230 | |||
1231 | def __xiter__(self, mode): |
|
1231 | def __xiter__(self, mode): | |
1232 | fields = ("key", "value") |
|
1232 | fields = ("key", "value") | |
1233 | for (key, value) in os.environ.iteritems(): |
|
1233 | for (key, value) in os.environ.iteritems(): | |
1234 | yield Fields(fields, key=key, value=value) |
|
1234 | yield Fields(fields, key=key, value=value) | |
1235 |
|
1235 | |||
1236 | def __xrepr__(self, mode): |
|
1236 | def __xrepr__(self, mode): | |
1237 | if mode == "header" or mode == "cell": |
|
1237 | if mode == "header" or mode == "cell": | |
1238 | yield (astyle.style_default, "%s()" % self.__class__.__name__) |
|
1238 | yield (astyle.style_default, "%s()" % self.__class__.__name__) | |
1239 | else: |
|
1239 | else: | |
1240 | yield (astyle.style_default, repr(self)) |
|
1240 | yield (astyle.style_default, repr(self)) | |
1241 |
|
1241 | |||
1242 |
|
1242 | |||
1243 | class icsv(Pipe): |
|
1243 | class icsv(Pipe): | |
1244 | """ |
|
1244 | """ | |
1245 | This ``Pipe`` lists turn the input (with must be a pipe outputting lines |
|
1245 | This ``Pipe`` lists turn the input (with must be a pipe outputting lines | |
1246 | or an ``ifile``) into lines of CVS columns. |
|
1246 | or an ``ifile``) into lines of CVS columns. | |
1247 | """ |
|
1247 | """ | |
1248 | def __init__(self, **csvargs): |
|
1248 | def __init__(self, **csvargs): | |
1249 | """ |
|
1249 | """ | |
1250 | Create an ``icsv`` object. ``cvsargs`` will be passed through as |
|
1250 | Create an ``icsv`` object. ``cvsargs`` will be passed through as | |
1251 | keyword arguments to ``cvs.reader()``. |
|
1251 | keyword arguments to ``cvs.reader()``. | |
1252 | """ |
|
1252 | """ | |
1253 | self.csvargs = csvargs |
|
1253 | self.csvargs = csvargs | |
1254 |
|
1254 | |||
1255 | def __xiter__(self, mode): |
|
1255 | def __xiter__(self, mode): | |
1256 | input = self.input |
|
1256 | input = self.input | |
1257 | if isinstance(input, ifile): |
|
1257 | if isinstance(input, ifile): | |
1258 | input = input.open("rb") |
|
1258 | input = input.open("rb") | |
1259 | reader = csv.reader(input, **self.csvargs) |
|
1259 | reader = csv.reader(input, **self.csvargs) | |
1260 | for line in reader: |
|
1260 | for line in reader: | |
1261 | yield List(line) |
|
1261 | yield List(line) | |
1262 |
|
1262 | |||
1263 | def __xrepr__(self, mode): |
|
1263 | def __xrepr__(self, mode): | |
1264 | yield (-1, False) |
|
1264 | yield (-1, False) | |
1265 | if mode == "header" or mode == "footer": |
|
1265 | if mode == "header" or mode == "footer": | |
1266 | input = getattr(self, "input", None) |
|
1266 | input = getattr(self, "input", None) | |
1267 | if input is not None: |
|
1267 | if input is not None: | |
1268 | for part in xrepr(input, mode): |
|
1268 | for part in xrepr(input, mode): | |
1269 | yield part |
|
1269 | yield part | |
1270 | yield (astyle.style_default, " | ") |
|
1270 | yield (astyle.style_default, " | ") | |
1271 | yield (astyle.style_default, "%s(" % self.__class__.__name__) |
|
1271 | yield (astyle.style_default, "%s(" % self.__class__.__name__) | |
1272 | for (i, (name, value)) in enumerate(self.csvargs.iteritems()): |
|
1272 | for (i, (name, value)) in enumerate(self.csvargs.iteritems()): | |
1273 | if i: |
|
1273 | if i: | |
1274 | yield (astyle.style_default, ", ") |
|
1274 | yield (astyle.style_default, ", ") | |
1275 | yield (astyle.style_default, name) |
|
1275 | yield (astyle.style_default, name) | |
1276 | yield (astyle.style_default, "=") |
|
1276 | yield (astyle.style_default, "=") | |
1277 | for part in xrepr(value, "default"): |
|
1277 | for part in xrepr(value, "default"): | |
1278 | yield part |
|
1278 | yield part | |
1279 | yield (astyle.style_default, ")") |
|
1279 | yield (astyle.style_default, ")") | |
1280 | else: |
|
1280 | else: | |
1281 | yield (astyle.style_default, repr(self)) |
|
1281 | yield (astyle.style_default, repr(self)) | |
1282 |
|
1282 | |||
1283 | def __repr__(self): |
|
1283 | def __repr__(self): | |
1284 | args = ", ".join(["%s=%r" % item for item in self.csvargs.iteritems()]) |
|
1284 | args = ", ".join(["%s=%r" % item for item in self.csvargs.iteritems()]) | |
1285 | return "<%s.%s %s at 0x%x>" % \ |
|
1285 | return "<%s.%s %s at 0x%x>" % \ | |
1286 | (self.__class__.__module__, self.__class__.__name__, args, id(self)) |
|
1286 | (self.__class__.__module__, self.__class__.__name__, args, id(self)) | |
1287 |
|
1287 | |||
1288 |
|
1288 | |||
1289 | class ix(Table): |
|
1289 | class ix(Table): | |
1290 | """ |
|
1290 | """ | |
1291 | Execute a system command and list its output as lines |
|
1291 | Execute a system command and list its output as lines | |
1292 | (similar to ``os.popen()``). |
|
1292 | (similar to ``os.popen()``). | |
1293 |
|
1293 | |||
1294 | Examples: |
|
1294 | Examples: | |
1295 |
|
1295 | |||
1296 | >>> ix("ps x") |
|
1296 | >>> ix("ps x") | |
1297 | >>> ix("find .") | ifile |
|
1297 | >>> ix("find .") | ifile | |
1298 | """ |
|
1298 | """ | |
1299 | def __init__(self, cmd): |
|
1299 | def __init__(self, cmd): | |
1300 | self.cmd = cmd |
|
1300 | self.cmd = cmd | |
1301 | self._pipe = None |
|
1301 | self._pipe = None | |
1302 |
|
1302 | |||
1303 | def __xiter__(self, mode): |
|
1303 | def __xiter__(self, mode): | |
1304 | self._pipe = os.popen(self.cmd) |
|
1304 | self._pipe = os.popen(self.cmd) | |
1305 | for l in self._pipe: |
|
1305 | for l in self._pipe: | |
1306 | yield l.rstrip("\r\n") |
|
1306 | yield l.rstrip("\r\n") | |
1307 | self._pipe.close() |
|
1307 | self._pipe.close() | |
1308 | self._pipe = None |
|
1308 | self._pipe = None | |
1309 |
|
1309 | |||
1310 | def __del__(self): |
|
1310 | def __del__(self): | |
1311 | if self._pipe is not None and not self._pipe.closed: |
|
1311 | if self._pipe is not None and not self._pipe.closed: | |
1312 | self._pipe.close() |
|
1312 | self._pipe.close() | |
1313 | self._pipe = None |
|
1313 | self._pipe = None | |
1314 |
|
1314 | |||
1315 | def __xrepr__(self, mode): |
|
1315 | def __xrepr__(self, mode): | |
1316 | if mode == "header" or mode == "footer": |
|
1316 | if mode == "header" or mode == "footer": | |
1317 | yield (astyle.style_default, |
|
1317 | yield (astyle.style_default, | |
1318 | "%s(%r)" % (self.__class__.__name__, self.cmd)) |
|
1318 | "%s(%r)" % (self.__class__.__name__, self.cmd)) | |
1319 | else: |
|
1319 | else: | |
1320 | yield (astyle.style_default, repr(self)) |
|
1320 | yield (astyle.style_default, repr(self)) | |
1321 |
|
1321 | |||
1322 | def __repr__(self): |
|
1322 | def __repr__(self): | |
1323 | return "%s.%s(%r)" % \ |
|
1323 | return "%s.%s(%r)" % \ | |
1324 | (self.__class__.__module__, self.__class__.__name__, self.cmd) |
|
1324 | (self.__class__.__module__, self.__class__.__name__, self.cmd) | |
1325 |
|
1325 | |||
1326 |
|
1326 | |||
1327 | class ifilter(Pipe): |
|
1327 | class ifilter(Pipe): | |
1328 | """ |
|
1328 | """ | |
1329 | Filter an input pipe. Only objects where an expression evaluates to true |
|
1329 | Filter an input pipe. Only objects where an expression evaluates to true | |
1330 | (and doesn't raise an exception) are listed. |
|
1330 | (and doesn't raise an exception) are listed. | |
1331 |
|
1331 | |||
1332 | Examples: |
|
1332 | Examples: | |
1333 |
|
1333 | |||
1334 | >>> ils | ifilter("_.isfile() and size>1000") |
|
1334 | >>> ils | ifilter("_.isfile() and size>1000") | |
1335 | >>> igrp | ifilter("len(mem)") |
|
1335 | >>> igrp | ifilter("len(mem)") | |
1336 | >>> sys.modules | ifilter(lambda _:_.value is not None) |
|
1336 | >>> sys.modules | ifilter(lambda _:_.value is not None) | |
1337 | """ |
|
1337 | """ | |
1338 |
|
1338 | |||
1339 | def __init__(self, expr, globals=None, errors="raiseifallfail"): |
|
1339 | def __init__(self, expr, globals=None, errors="raiseifallfail"): | |
1340 | """ |
|
1340 | """ | |
1341 | Create an ``ifilter`` object. ``expr`` can be a callable or a string |
|
1341 | Create an ``ifilter`` object. ``expr`` can be a callable or a string | |
1342 | containing an expression. ``globals`` will be used as the global |
|
1342 | containing an expression. ``globals`` will be used as the global | |
1343 | namespace for calling string expressions (defaulting to IPython's |
|
1343 | namespace for calling string expressions (defaulting to IPython's | |
1344 | user namespace). ``errors`` specifies how exception during evaluation |
|
1344 | user namespace). ``errors`` specifies how exception during evaluation | |
1345 | of ``expr`` are handled: |
|
1345 | of ``expr`` are handled: | |
1346 |
|
1346 | |||
1347 | * ``drop``: drop all items that have errors; |
|
1347 | * ``drop``: drop all items that have errors; | |
1348 |
|
1348 | |||
1349 | * ``keep``: keep all items that have errors; |
|
1349 | * ``keep``: keep all items that have errors; | |
1350 |
|
1350 | |||
1351 | * ``keeperror``: keep the exception of all items that have errors; |
|
1351 | * ``keeperror``: keep the exception of all items that have errors; | |
1352 |
|
1352 | |||
1353 | * ``raise``: raise the exception; |
|
1353 | * ``raise``: raise the exception; | |
1354 |
|
1354 | |||
1355 | * ``raiseifallfail``: raise the first exception if all items have errors; |
|
1355 | * ``raiseifallfail``: raise the first exception if all items have errors; | |
1356 | otherwise drop those with errors (this is the default). |
|
1356 | otherwise drop those with errors (this is the default). | |
1357 | """ |
|
1357 | """ | |
1358 | self.expr = expr |
|
1358 | self.expr = expr | |
1359 | self.globals = globals |
|
1359 | self.globals = globals | |
1360 | self.errors = errors |
|
1360 | self.errors = errors | |
1361 |
|
1361 | |||
1362 | def __xiter__(self, mode): |
|
1362 | def __xiter__(self, mode): | |
1363 | if callable(self.expr): |
|
1363 | if callable(self.expr): | |
1364 | def test(item): |
|
1364 | def test(item): | |
1365 | return self.expr(item) |
|
1365 | return self.expr(item) | |
1366 | else: |
|
1366 | else: | |
1367 | g = getglobals(self.globals) |
|
1367 | g = getglobals(self.globals) | |
1368 | def test(item): |
|
1368 | def test(item): | |
1369 | return eval(self.expr, g, AttrNamespace(item)) |
|
1369 | return eval(self.expr, g, AttrNamespace(item)) | |
1370 |
|
1370 | |||
1371 | ok = 0 |
|
1371 | ok = 0 | |
1372 | exc_info = None |
|
1372 | exc_info = None | |
1373 | for item in xiter(self.input, mode): |
|
1373 | for item in xiter(self.input, mode): | |
1374 | try: |
|
1374 | try: | |
1375 | if test(item): |
|
1375 | if test(item): | |
1376 | yield item |
|
1376 | yield item | |
1377 | ok += 1 |
|
1377 | ok += 1 | |
1378 | except (KeyboardInterrupt, SystemExit): |
|
1378 | except (KeyboardInterrupt, SystemExit): | |
1379 | raise |
|
1379 | raise | |
1380 | except Exception, exc: |
|
1380 | except Exception, exc: | |
1381 | if self.errors == "drop": |
|
1381 | if self.errors == "drop": | |
1382 | pass # Ignore errors |
|
1382 | pass # Ignore errors | |
1383 | elif self.errors == "keep": |
|
1383 | elif self.errors == "keep": | |
1384 | yield item |
|
1384 | yield item | |
1385 | elif self.errors == "keeperror": |
|
1385 | elif self.errors == "keeperror": | |
1386 | yield exc |
|
1386 | yield exc | |
1387 | elif self.errors == "raise": |
|
1387 | elif self.errors == "raise": | |
1388 | raise |
|
1388 | raise | |
1389 | elif self.errors == "raiseifallfail": |
|
1389 | elif self.errors == "raiseifallfail": | |
1390 | if exc_info is None: |
|
1390 | if exc_info is None: | |
1391 | exc_info = sys.exc_info() |
|
1391 | exc_info = sys.exc_info() | |
1392 | if not ok and exc_info is not None: |
|
1392 | if not ok and exc_info is not None: | |
1393 | raise exc_info[0], exc_info[1], exc_info[2] |
|
1393 | raise exc_info[0], exc_info[1], exc_info[2] | |
1394 |
|
1394 | |||
1395 | def __xrepr__(self, mode): |
|
1395 | def __xrepr__(self, mode): | |
1396 | if mode == "header" or mode == "footer": |
|
1396 | if mode == "header" or mode == "footer": | |
1397 | input = getattr(self, "input", None) |
|
1397 | input = getattr(self, "input", None) | |
1398 | if input is not None: |
|
1398 | if input is not None: | |
1399 | for part in xrepr(input, mode): |
|
1399 | for part in xrepr(input, mode): | |
1400 | yield part |
|
1400 | yield part | |
1401 | yield (astyle.style_default, " | ") |
|
1401 | yield (astyle.style_default, " | ") | |
1402 | yield (astyle.style_default, "%s(" % self.__class__.__name__) |
|
1402 | yield (astyle.style_default, "%s(" % self.__class__.__name__) | |
1403 | for part in xrepr(self.expr, "default"): |
|
1403 | for part in xrepr(self.expr, "default"): | |
1404 | yield part |
|
1404 | yield part | |
1405 | yield (astyle.style_default, ")") |
|
1405 | yield (astyle.style_default, ")") | |
1406 | else: |
|
1406 | else: | |
1407 | yield (astyle.style_default, repr(self)) |
|
1407 | yield (astyle.style_default, repr(self)) | |
1408 |
|
1408 | |||
1409 | def __repr__(self): |
|
1409 | def __repr__(self): | |
1410 | return "<%s.%s expr=%r at 0x%x>" % \ |
|
1410 | return "<%s.%s expr=%r at 0x%x>" % \ | |
1411 | (self.__class__.__module__, self.__class__.__name__, |
|
1411 | (self.__class__.__module__, self.__class__.__name__, | |
1412 | self.expr, id(self)) |
|
1412 | self.expr, id(self)) | |
1413 |
|
1413 | |||
1414 |
|
1414 | |||
1415 | class ieval(Pipe): |
|
1415 | class ieval(Pipe): | |
1416 | """ |
|
1416 | """ | |
1417 | Evaluate an expression for each object in the input pipe. |
|
1417 | Evaluate an expression for each object in the input pipe. | |
1418 |
|
1418 | |||
1419 | Examples: |
|
1419 | Examples: | |
1420 |
|
1420 | |||
1421 | >>> ils | ieval("_.abspath()") |
|
1421 | >>> ils | ieval("_.abspath()") | |
1422 | >>> sys.path | ieval(ifile) |
|
1422 | >>> sys.path | ieval(ifile) | |
1423 | """ |
|
1423 | """ | |
1424 |
|
1424 | |||
1425 | def __init__(self, expr, globals=None, errors="raiseifallfail"): |
|
1425 | def __init__(self, expr, globals=None, errors="raiseifallfail"): | |
1426 | """ |
|
1426 | """ | |
1427 | Create an ``ieval`` object. ``expr`` can be a callable or a string |
|
1427 | Create an ``ieval`` object. ``expr`` can be a callable or a string | |
1428 | containing an expression. For the meaning of ``globals`` and |
|
1428 | containing an expression. For the meaning of ``globals`` and | |
1429 | ``errors`` see ``ifilter``. |
|
1429 | ``errors`` see ``ifilter``. | |
1430 | """ |
|
1430 | """ | |
1431 | self.expr = expr |
|
1431 | self.expr = expr | |
1432 | self.globals = globals |
|
1432 | self.globals = globals | |
1433 | self.errors = errors |
|
1433 | self.errors = errors | |
1434 |
|
1434 | |||
1435 | def __xiter__(self, mode): |
|
1435 | def __xiter__(self, mode): | |
1436 | if callable(self.expr): |
|
1436 | if callable(self.expr): | |
1437 | def do(item): |
|
1437 | def do(item): | |
1438 | return self.expr(item) |
|
1438 | return self.expr(item) | |
1439 | else: |
|
1439 | else: | |
1440 | g = getglobals(self.globals) |
|
1440 | g = getglobals(self.globals) | |
1441 | def do(item): |
|
1441 | def do(item): | |
1442 | return eval(self.expr, g, AttrNamespace(item)) |
|
1442 | return eval(self.expr, g, AttrNamespace(item)) | |
1443 |
|
1443 | |||
1444 | ok = 0 |
|
1444 | ok = 0 | |
1445 | exc_info = None |
|
1445 | exc_info = None | |
1446 | for item in xiter(self.input, mode): |
|
1446 | for item in xiter(self.input, mode): | |
1447 | try: |
|
1447 | try: | |
1448 | yield do(item) |
|
1448 | yield do(item) | |
1449 | except (KeyboardInterrupt, SystemExit): |
|
1449 | except (KeyboardInterrupt, SystemExit): | |
1450 | raise |
|
1450 | raise | |
1451 | except Exception, exc: |
|
1451 | except Exception, exc: | |
1452 | if self.errors == "drop": |
|
1452 | if self.errors == "drop": | |
1453 | pass # Ignore errors |
|
1453 | pass # Ignore errors | |
1454 | elif self.errors == "keep": |
|
1454 | elif self.errors == "keep": | |
1455 | yield item |
|
1455 | yield item | |
1456 | elif self.errors == "keeperror": |
|
1456 | elif self.errors == "keeperror": | |
1457 | yield exc |
|
1457 | yield exc | |
1458 | elif self.errors == "raise": |
|
1458 | elif self.errors == "raise": | |
1459 | raise |
|
1459 | raise | |
1460 | elif self.errors == "raiseifallfail": |
|
1460 | elif self.errors == "raiseifallfail": | |
1461 | if exc_info is None: |
|
1461 | if exc_info is None: | |
1462 | exc_info = sys.exc_info() |
|
1462 | exc_info = sys.exc_info() | |
1463 | if not ok and exc_info is not None: |
|
1463 | if not ok and exc_info is not None: | |
1464 | raise exc_info[0], exc_info[1], exc_info[2] |
|
1464 | raise exc_info[0], exc_info[1], exc_info[2] | |
1465 |
|
1465 | |||
1466 | def __xrepr__(self, mode): |
|
1466 | def __xrepr__(self, mode): | |
1467 | if mode == "header" or mode == "footer": |
|
1467 | if mode == "header" or mode == "footer": | |
1468 | input = getattr(self, "input", None) |
|
1468 | input = getattr(self, "input", None) | |
1469 | if input is not None: |
|
1469 | if input is not None: | |
1470 | for part in xrepr(input, mode): |
|
1470 | for part in xrepr(input, mode): | |
1471 | yield part |
|
1471 | yield part | |
1472 | yield (astyle.style_default, " | ") |
|
1472 | yield (astyle.style_default, " | ") | |
1473 | yield (astyle.style_default, "%s(" % self.__class__.__name__) |
|
1473 | yield (astyle.style_default, "%s(" % self.__class__.__name__) | |
1474 | for part in xrepr(self.expr, "default"): |
|
1474 | for part in xrepr(self.expr, "default"): | |
1475 | yield part |
|
1475 | yield part | |
1476 | yield (astyle.style_default, ")") |
|
1476 | yield (astyle.style_default, ")") | |
1477 | else: |
|
1477 | else: | |
1478 | yield (astyle.style_default, repr(self)) |
|
1478 | yield (astyle.style_default, repr(self)) | |
1479 |
|
1479 | |||
1480 | def __repr__(self): |
|
1480 | def __repr__(self): | |
1481 | return "<%s.%s expr=%r at 0x%x>" % \ |
|
1481 | return "<%s.%s expr=%r at 0x%x>" % \ | |
1482 | (self.__class__.__module__, self.__class__.__name__, |
|
1482 | (self.__class__.__module__, self.__class__.__name__, | |
1483 | self.expr, id(self)) |
|
1483 | self.expr, id(self)) | |
1484 |
|
1484 | |||
1485 |
|
1485 | |||
1486 | class ienum(Pipe): |
|
1486 | class ienum(Pipe): | |
1487 | """ |
|
1487 | """ | |
1488 | Enumerate the input pipe (i.e. wrap each input object in an object |
|
1488 | Enumerate the input pipe (i.e. wrap each input object in an object | |
1489 | with ``index`` and ``object`` attributes). |
|
1489 | with ``index`` and ``object`` attributes). | |
1490 |
|
1490 | |||
1491 | Examples: |
|
1491 | Examples: | |
1492 |
|
1492 | |||
1493 | >>> xrange(20) | ieval("_,_*_") | ienum | ifilter("index % 2 == 0") | ieval("object") |
|
1493 | >>> xrange(20) | ieval("_,_*_") | ienum | ifilter("index % 2 == 0") | ieval("object") | |
1494 | """ |
|
1494 | """ | |
1495 | def __xiter__(self, mode): |
|
1495 | def __xiter__(self, mode): | |
1496 | fields = ("index", "object") |
|
1496 | fields = ("index", "object") | |
1497 | for (index, object) in enumerate(xiter(self.input, mode)): |
|
1497 | for (index, object) in enumerate(xiter(self.input, mode)): | |
1498 | yield Fields(fields, index=index, object=object) |
|
1498 | yield Fields(fields, index=index, object=object) | |
1499 |
|
1499 | |||
1500 |
|
1500 | |||
1501 | class isort(Pipe): |
|
1501 | class isort(Pipe): | |
1502 | """ |
|
1502 | """ | |
1503 | Sorts the input pipe. |
|
1503 | Sorts the input pipe. | |
1504 |
|
1504 | |||
1505 | Examples: |
|
1505 | Examples: | |
1506 |
|
1506 | |||
1507 | >>> ils | isort("size") |
|
1507 | >>> ils | isort("size") | |
1508 | >>> ils | isort("_.isdir(), _.lower()", reverse=True) |
|
1508 | >>> ils | isort("_.isdir(), _.lower()", reverse=True) | |
1509 | """ |
|
1509 | """ | |
1510 |
|
1510 | |||
1511 | def __init__(self, key, globals=None, reverse=False): |
|
1511 | def __init__(self, key, globals=None, reverse=False): | |
1512 | """ |
|
1512 | """ | |
1513 | Create an ``isort`` object. ``key`` can be a callable or a string |
|
1513 | Create an ``isort`` object. ``key`` can be a callable or a string | |
1514 | containing an expression. If ``reverse`` is true the sort order will |
|
1514 | containing an expression. If ``reverse`` is true the sort order will | |
1515 | be reversed. For the meaning of ``globals`` see ``ifilter``. |
|
1515 | be reversed. For the meaning of ``globals`` see ``ifilter``. | |
1516 | """ |
|
1516 | """ | |
1517 | self.key = key |
|
1517 | self.key = key | |
1518 | self.globals = globals |
|
1518 | self.globals = globals | |
1519 | self.reverse = reverse |
|
1519 | self.reverse = reverse | |
1520 |
|
1520 | |||
1521 | def __xiter__(self, mode): |
|
1521 | def __xiter__(self, mode): | |
1522 | if callable(self.key): |
|
1522 | if callable(self.key): | |
1523 | items = sorted( |
|
1523 | items = sorted( | |
1524 | xiter(self.input, mode), |
|
1524 | xiter(self.input, mode), | |
1525 | key=self.key, |
|
1525 | key=self.key, | |
1526 | reverse=self.reverse |
|
1526 | reverse=self.reverse | |
1527 | ) |
|
1527 | ) | |
1528 | else: |
|
1528 | else: | |
1529 | g = getglobals(self.globals) |
|
1529 | g = getglobals(self.globals) | |
1530 | def key(item): |
|
1530 | def key(item): | |
1531 | return eval(self.key, g, AttrNamespace(item)) |
|
1531 | return eval(self.key, g, AttrNamespace(item)) | |
1532 | items = sorted( |
|
1532 | items = sorted( | |
1533 | xiter(self.input, mode), |
|
1533 | xiter(self.input, mode), | |
1534 | key=key, |
|
1534 | key=key, | |
1535 | reverse=self.reverse |
|
1535 | reverse=self.reverse | |
1536 | ) |
|
1536 | ) | |
1537 | for item in items: |
|
1537 | for item in items: | |
1538 | yield item |
|
1538 | yield item | |
1539 |
|
1539 | |||
1540 | def __xrepr__(self, mode): |
|
1540 | def __xrepr__(self, mode): | |
1541 | if mode == "header" or mode == "footer": |
|
1541 | if mode == "header" or mode == "footer": | |
1542 | input = getattr(self, "input", None) |
|
1542 | input = getattr(self, "input", None) | |
1543 | if input is not None: |
|
1543 | if input is not None: | |
1544 | for part in xrepr(input, mode): |
|
1544 | for part in xrepr(input, mode): | |
1545 | yield part |
|
1545 | yield part | |
1546 | yield (astyle.style_default, " | ") |
|
1546 | yield (astyle.style_default, " | ") | |
1547 | yield (astyle.style_default, "%s(" % self.__class__.__name__) |
|
1547 | yield (astyle.style_default, "%s(" % self.__class__.__name__) | |
1548 | for part in xrepr(self.key, "default"): |
|
1548 | for part in xrepr(self.key, "default"): | |
1549 | yield part |
|
1549 | yield part | |
1550 | if self.reverse: |
|
1550 | if self.reverse: | |
1551 | yield (astyle.style_default, ", ") |
|
1551 | yield (astyle.style_default, ", ") | |
1552 | for part in xrepr(True, "default"): |
|
1552 | for part in xrepr(True, "default"): | |
1553 | yield part |
|
1553 | yield part | |
1554 | yield (astyle.style_default, ")") |
|
1554 | yield (astyle.style_default, ")") | |
1555 | else: |
|
1555 | else: | |
1556 | yield (astyle.style_default, repr(self)) |
|
1556 | yield (astyle.style_default, repr(self)) | |
1557 |
|
1557 | |||
1558 | def __repr__(self): |
|
1558 | def __repr__(self): | |
1559 | return "<%s.%s key=%r reverse=%r at 0x%x>" % \ |
|
1559 | return "<%s.%s key=%r reverse=%r at 0x%x>" % \ | |
1560 | (self.__class__.__module__, self.__class__.__name__, |
|
1560 | (self.__class__.__module__, self.__class__.__name__, | |
1561 | self.key, self.reverse, id(self)) |
|
1561 | self.key, self.reverse, id(self)) | |
1562 |
|
1562 | |||
1563 |
|
1563 | |||
1564 | tab = 3 # for expandtabs() |
|
1564 | tab = 3 # for expandtabs() | |
1565 |
|
1565 | |||
1566 | def _format(field): |
|
1566 | def _format(field): | |
1567 | if isinstance(field, str): |
|
1567 | if isinstance(field, str): | |
1568 | text = repr(field.expandtabs(tab))[1:-1] |
|
1568 | text = repr(field.expandtabs(tab))[1:-1] | |
1569 | elif isinstance(field, unicode): |
|
1569 | elif isinstance(field, unicode): | |
1570 | text = repr(field.expandtabs(tab))[2:-1] |
|
1570 | text = repr(field.expandtabs(tab))[2:-1] | |
1571 | elif isinstance(field, datetime.datetime): |
|
1571 | elif isinstance(field, datetime.datetime): | |
1572 | # Don't use strftime() here, as this requires year >= 1900 |
|
1572 | # Don't use strftime() here, as this requires year >= 1900 | |
1573 | text = "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ |
|
1573 | text = "%04d-%02d-%02d %02d:%02d:%02d.%06d" % \ | |
1574 | (field.year, field.month, field.day, |
|
1574 | (field.year, field.month, field.day, | |
1575 | field.hour, field.minute, field.second, field.microsecond) |
|
1575 | field.hour, field.minute, field.second, field.microsecond) | |
1576 | elif isinstance(field, datetime.date): |
|
1576 | elif isinstance(field, datetime.date): | |
1577 | text = "%04d-%02d-%02d" % (field.year, field.month, field.day) |
|
1577 | text = "%04d-%02d-%02d" % (field.year, field.month, field.day) | |
1578 | else: |
|
1578 | else: | |
1579 | text = repr(field) |
|
1579 | text = repr(field) | |
1580 | return text |
|
1580 | return text | |
1581 |
|
1581 | |||
1582 |
|
1582 | |||
1583 | class Display(object): |
|
1583 | class Display(object): | |
1584 | class __metaclass__(type): |
|
1584 | class __metaclass__(type): | |
1585 | def __ror__(self, input): |
|
1585 | def __ror__(self, input): | |
1586 | return input | self() |
|
1586 | return input | self() | |
1587 |
|
1587 | |||
1588 | def __ror__(self, input): |
|
1588 | def __ror__(self, input): | |
1589 | self.input = input |
|
1589 | self.input = input | |
1590 | return self |
|
1590 | return self | |
1591 |
|
1591 | |||
1592 | def display(self): |
|
1592 | def display(self): | |
1593 | pass |
|
1593 | pass | |
1594 |
|
1594 | |||
1595 |
|
1595 | |||
1596 | class iless(Display): |
|
1596 | class iless(Display): | |
1597 | cmd = "less --quit-if-one-screen --LONG-PROMPT --LINE-NUMBERS --chop-long-lines --shift=8 --RAW-CONTROL-CHARS" |
|
1597 | cmd = "less --quit-if-one-screen --LONG-PROMPT --LINE-NUMBERS --chop-long-lines --shift=8 --RAW-CONTROL-CHARS" | |
1598 |
|
1598 | |||
1599 | def display(self): |
|
1599 | def display(self): | |
1600 | try: |
|
1600 | try: | |
1601 | pager = os.popen(self.cmd, "w") |
|
1601 | pager = os.popen(self.cmd, "w") | |
1602 | try: |
|
1602 | try: | |
1603 | for item in xiter(self.input, "default"): |
|
1603 | for item in xiter(self.input, "default"): | |
1604 | attrs = xattrs(item, "default") |
|
1604 | attrs = xattrs(item, "default") | |
1605 | attrs = ["%s=%s" % (a, _format(_getattr(item, a))) for a in attrs] |
|
1605 | attrs = ["%s=%s" % (a, _format(_getattr(item, a))) for a in attrs] | |
1606 | pager.write(" ".join(attrs)) |
|
1606 | pager.write(" ".join(attrs)) | |
1607 | pager.write("\n") |
|
1607 | pager.write("\n") | |
1608 | finally: |
|
1608 | finally: | |
1609 | pager.close() |
|
1609 | pager.close() | |
1610 | except Exception, exc: |
|
1610 | except Exception, exc: | |
1611 | print "%s: %s" % (exc.__class__.__name__, str(exc)) |
|
1611 | print "%s: %s" % (exc.__class__.__name__, str(exc)) | |
1612 |
|
1612 | |||
1613 |
|
1613 | |||
1614 | def xformat(value, mode, maxlength): |
|
1614 | def xformat(value, mode, maxlength): | |
1615 | align = None |
|
1615 | align = None | |
1616 | full = True |
|
1616 | full = True | |
1617 | width = 0 |
|
1617 | width = 0 | |
1618 | text = astyle.Text() |
|
1618 | text = astyle.Text() | |
1619 | for part in xrepr(value, mode): |
|
1619 | for (style, part) in xrepr(value, mode): | |
1620 | # part is (alignment, stop) |
|
1620 | # only consider the first result | |
1621 | if isinstance(part[0], int): |
|
1621 | if align is None: | |
1622 | # only consider the first occurence |
|
1622 | if isinstance(style, int): | |
1623 | if align is None: |
|
1623 | # (style, text) really is (alignment, stop) | |
1624 |
align = |
|
1624 | align = style | |
1625 |
full = part |
|
1625 | full = part | |
1626 | # part is (style, text) |
|
1626 | continue | |
1627 | else: |
|
1627 | else: | |
1628 | text.append(part) |
|
1628 | align = -1 | |
1629 | width += len(part[1]) |
|
1629 | full = True | |
|
1630 | if not isinstance(style, int): | |||
|
1631 | text.append((style, part)) | |||
|
1632 | width += len(part) | |||
1630 | if width >= maxlength and not full: |
|
1633 | if width >= maxlength and not full: | |
1631 | text.append((astyle.style_ellisis, "...")) |
|
1634 | text.append((astyle.style_ellisis, "...")) | |
1632 | width += 3 |
|
1635 | width += 3 | |
1633 | break |
|
1636 | break | |
1634 | if align is None: # default to left alignment |
|
1637 | if align is None: # default to left alignment | |
1635 | align = -1 |
|
1638 | align = -1 | |
1636 | return (align, width, text) |
|
1639 | return (align, width, text) | |
1637 |
|
1640 | |||
1638 |
|
1641 | |||
1639 | class idump(Display): |
|
1642 | class idump(Display): | |
1640 | # The approximate maximum length of a column entry |
|
1643 | # The approximate maximum length of a column entry | |
1641 | maxattrlength = 200 |
|
1644 | maxattrlength = 200 | |
1642 |
|
1645 | |||
1643 | # Style for column names |
|
1646 | # Style for column names | |
1644 | style_header = astyle.Style.fromstr("white:black:bold") |
|
1647 | style_header = astyle.Style.fromstr("white:black:bold") | |
1645 |
|
1648 | |||
1646 | def __init__(self, *attrs): |
|
1649 | def __init__(self, *attrs): | |
1647 | self.attrs = attrs |
|
1650 | self.attrs = attrs | |
1648 | self.headerpadchar = " " |
|
1651 | self.headerpadchar = " " | |
1649 | self.headersepchar = "|" |
|
1652 | self.headersepchar = "|" | |
1650 | self.datapadchar = " " |
|
1653 | self.datapadchar = " " | |
1651 | self.datasepchar = "|" |
|
1654 | self.datasepchar = "|" | |
1652 |
|
1655 | |||
1653 | def display(self): |
|
1656 | def display(self): | |
1654 | stream = genutils.Term.cout |
|
1657 | stream = genutils.Term.cout | |
1655 | allattrs = [] |
|
1658 | allattrs = [] | |
1656 | allattrset = set() |
|
1659 | allattrset = set() | |
1657 | colwidths = {} |
|
1660 | colwidths = {} | |
1658 | rows = [] |
|
1661 | rows = [] | |
1659 | for item in xiter(self.input, "default"): |
|
1662 | for item in xiter(self.input, "default"): | |
1660 | row = {} |
|
1663 | row = {} | |
1661 | attrs = self.attrs |
|
1664 | attrs = self.attrs | |
1662 | if not attrs: |
|
1665 | if not attrs: | |
1663 | attrs = xattrs(item, "default") |
|
1666 | attrs = xattrs(item, "default") | |
1664 | for attrname in attrs: |
|
1667 | for attrname in attrs: | |
1665 | if attrname not in allattrset: |
|
1668 | if attrname not in allattrset: | |
1666 | allattrs.append(attrname) |
|
1669 | allattrs.append(attrname) | |
1667 | allattrset.add(attrname) |
|
1670 | allattrset.add(attrname) | |
1668 | colwidths[attrname] = len(_attrname(attrname)) |
|
1671 | colwidths[attrname] = len(_attrname(attrname)) | |
1669 | try: |
|
1672 | try: | |
1670 | value = _getattr(item, attrname, None) |
|
1673 | value = _getattr(item, attrname, None) | |
1671 | except (KeyboardInterrupt, SystemExit): |
|
1674 | except (KeyboardInterrupt, SystemExit): | |
1672 | raise |
|
1675 | raise | |
1673 | except Exception, exc: |
|
1676 | except Exception, exc: | |
1674 | value = exc |
|
1677 | value = exc | |
1675 | (align, width, text) = xformat(value, "cell", self.maxattrlength) |
|
1678 | (align, width, text) = xformat(value, "cell", self.maxattrlength) | |
1676 | colwidths[attrname] = max(colwidths[attrname], width) |
|
1679 | colwidths[attrname] = max(colwidths[attrname], width) | |
1677 | # remember alignment, length and colored parts |
|
1680 | # remember alignment, length and colored parts | |
1678 | row[attrname] = (align, width, text) |
|
1681 | row[attrname] = (align, width, text) | |
1679 | rows.append(row) |
|
1682 | rows.append(row) | |
1680 |
|
1683 | |||
1681 | stream.write("\n") |
|
1684 | stream.write("\n") | |
1682 | for (i, attrname) in enumerate(allattrs): |
|
1685 | for (i, attrname) in enumerate(allattrs): | |
1683 | self.style_header(_attrname(attrname)).write(stream) |
|
1686 | self.style_header(_attrname(attrname)).write(stream) | |
1684 | spc = colwidths[attrname] - len(_attrname(attrname)) |
|
1687 | spc = colwidths[attrname] - len(_attrname(attrname)) | |
1685 | if i < len(colwidths)-1: |
|
1688 | if i < len(colwidths)-1: | |
1686 | stream.write(self.headerpadchar*spc) |
|
1689 | stream.write(self.headerpadchar*spc) | |
1687 | stream.write(self.headersepchar) |
|
1690 | stream.write(self.headersepchar) | |
1688 | stream.write("\n") |
|
1691 | stream.write("\n") | |
1689 |
|
1692 | |||
1690 | for row in rows: |
|
1693 | for row in rows: | |
1691 | for (i, attrname) in enumerate(allattrs): |
|
1694 | for (i, attrname) in enumerate(allattrs): | |
1692 | (align, width, text) = row[attrname] |
|
1695 | (align, width, text) = row[attrname] | |
1693 | spc = colwidths[attrname] - width |
|
1696 | spc = colwidths[attrname] - width | |
1694 | if align == -1: |
|
1697 | if align == -1: | |
1695 | text.write(stream) |
|
1698 | text.write(stream) | |
1696 | if i < len(colwidths)-1: |
|
1699 | if i < len(colwidths)-1: | |
1697 | stream.write(self.datapadchar*spc) |
|
1700 | stream.write(self.datapadchar*spc) | |
1698 | elif align == 0: |
|
1701 | elif align == 0: | |
1699 | spc = colwidths[attrname] - width |
|
1702 | spc = colwidths[attrname] - width | |
1700 | spc1 = spc//2 |
|
1703 | spc1 = spc//2 | |
1701 | spc2 = spc-spc1 |
|
1704 | spc2 = spc-spc1 | |
1702 | stream.write(self.datapadchar*spc1) |
|
1705 | stream.write(self.datapadchar*spc1) | |
1703 | text.write(stream) |
|
1706 | text.write(stream) | |
1704 | if i < len(colwidths)-1: |
|
1707 | if i < len(colwidths)-1: | |
1705 | stream.write(self.datapadchar*spc2) |
|
1708 | stream.write(self.datapadchar*spc2) | |
1706 | else: |
|
1709 | else: | |
1707 | stream.write(self.datapadchar*spc) |
|
1710 | stream.write(self.datapadchar*spc) | |
1708 | text.write(stream) |
|
1711 | text.write(stream) | |
1709 | if i < len(colwidths)-1: |
|
1712 | if i < len(colwidths)-1: | |
1710 | stream.write(self.datasepchar) |
|
1713 | stream.write(self.datasepchar) | |
1711 | stream.write("\n") |
|
1714 | stream.write("\n") | |
1712 |
|
1715 | |||
1713 |
|
1716 | |||
1714 | class XMode(object): |
|
1717 | class XMode(object): | |
1715 | """ |
|
1718 | """ | |
1716 | An ``XMode`` object describes one enter mode available for an object |
|
1719 | An ``XMode`` object describes one enter mode available for an object | |
1717 | """ |
|
1720 | """ | |
1718 | def __init__(self, object, mode, title=None, description=None): |
|
1721 | def __init__(self, object, mode, title=None, description=None): | |
1719 | """ |
|
1722 | """ | |
1720 | Create a new ``XMode`` object for the object ``object``. This object |
|
1723 | Create a new ``XMode`` object for the object ``object``. This object | |
1721 | must support the enter mode ``mode`` (i.e. ``object.__xiter__(mode)`` |
|
1724 | must support the enter mode ``mode`` (i.e. ``object.__xiter__(mode)`` | |
1722 | must return an iterable). ``title`` and ``description`` will be |
|
1725 | must return an iterable). ``title`` and ``description`` will be | |
1723 | displayed in the browser when selecting among the available modes. |
|
1726 | displayed in the browser when selecting among the available modes. | |
1724 | """ |
|
1727 | """ | |
1725 | self.object = object |
|
1728 | self.object = object | |
1726 | self.mode = mode |
|
1729 | self.mode = mode | |
1727 | self.title = title |
|
1730 | self.title = title | |
1728 | self.description = description |
|
1731 | self.description = description | |
1729 |
|
1732 | |||
1730 | def __repr__(self): |
|
1733 | def __repr__(self): | |
1731 | return "<%s.%s object mode=%r at 0x%x>" % \ |
|
1734 | return "<%s.%s object mode=%r at 0x%x>" % \ | |
1732 | (self.__class__.__module__, self.__class__.__name__, |
|
1735 | (self.__class__.__module__, self.__class__.__name__, | |
1733 | self.mode, id(self)) |
|
1736 | self.mode, id(self)) | |
1734 |
|
1737 | |||
1735 | def __xrepr__(self, mode): |
|
1738 | def __xrepr__(self, mode): | |
1736 | if mode == "header" or mode == "footer": |
|
1739 | if mode == "header" or mode == "footer": | |
1737 | yield (astyle.style_default, self.title) |
|
1740 | yield (astyle.style_default, self.title) | |
1738 | else: |
|
1741 | else: | |
1739 | yield (astyle.style_default, repr(self)) |
|
1742 | yield (astyle.style_default, repr(self)) | |
1740 |
|
1743 | |||
1741 | def __xattrs__(self, mode): |
|
1744 | def __xattrs__(self, mode): | |
1742 | if mode == "detail": |
|
1745 | if mode == "detail": | |
1743 | return ("object", "mode", "title", "description") |
|
1746 | return ("object", "mode", "title", "description") | |
1744 | return ("title", "description") |
|
1747 | return ("title", "description") | |
1745 |
|
1748 | |||
1746 | def __xiter__(self, mode): |
|
1749 | def __xiter__(self, mode): | |
1747 | return xiter(self.object, self.mode) |
|
1750 | return xiter(self.object, self.mode) | |
1748 |
|
1751 | |||
1749 |
|
1752 | |||
1750 | class XAttr(object): |
|
1753 | class XAttr(object): | |
1751 | def __init__(self, object, name): |
|
1754 | def __init__(self, object, name): | |
1752 | self.name = _attrname(name) |
|
1755 | self.name = _attrname(name) | |
1753 |
|
1756 | |||
1754 | try: |
|
1757 | try: | |
1755 | self.value = _getattr(object, name) |
|
1758 | self.value = _getattr(object, name) | |
1756 | except (KeyboardInterrupt, SystemExit): |
|
1759 | except (KeyboardInterrupt, SystemExit): | |
1757 | raise |
|
1760 | raise | |
1758 | except Exception, exc: |
|
1761 | except Exception, exc: | |
1759 | if exc.__class__.__module__ == "exceptions": |
|
1762 | if exc.__class__.__module__ == "exceptions": | |
1760 | self.value = exc.__class__.__name__ |
|
1763 | self.value = exc.__class__.__name__ | |
1761 | else: |
|
1764 | else: | |
1762 | self.value = "%s.%s" % \ |
|
1765 | self.value = "%s.%s" % \ | |
1763 | (exc.__class__.__module__, exc.__class__.__name__) |
|
1766 | (exc.__class__.__module__, exc.__class__.__name__) | |
1764 | self.type = self.value |
|
1767 | self.type = self.value | |
1765 | else: |
|
1768 | else: | |
1766 | t = type(self.value) |
|
1769 | t = type(self.value) | |
1767 | if t.__module__ == "__builtin__": |
|
1770 | if t.__module__ == "__builtin__": | |
1768 | self.type = t.__name__ |
|
1771 | self.type = t.__name__ | |
1769 | else: |
|
1772 | else: | |
1770 | self.type = "%s.%s" % (t.__module__, t.__name__) |
|
1773 | self.type = "%s.%s" % (t.__module__, t.__name__) | |
1771 |
|
1774 | |||
1772 | doc = None |
|
1775 | doc = None | |
1773 | if isinstance(name, basestring): |
|
1776 | if isinstance(name, basestring): | |
1774 | if name.endswith("()"): |
|
1777 | if name.endswith("()"): | |
1775 | doc = getattr(getattr(object, name[:-2]), "__doc__", None) |
|
1778 | doc = getattr(getattr(object, name[:-2]), "__doc__", None) | |
1776 | else: |
|
1779 | else: | |
1777 | try: |
|
1780 | try: | |
1778 | meta = getattr(type(object), name) |
|
1781 | meta = getattr(type(object), name) | |
1779 | except AttributeError: |
|
1782 | except AttributeError: | |
1780 | pass |
|
1783 | pass | |
1781 | else: |
|
1784 | else: | |
1782 | if isinstance(meta, property): |
|
1785 | if isinstance(meta, property): | |
1783 | doc = getattr(meta, "__doc__", None) |
|
1786 | doc = getattr(meta, "__doc__", None) | |
1784 | elif callable(name): |
|
1787 | elif callable(name): | |
1785 | doc = getattr(name, "__doc__", None) |
|
1788 | doc = getattr(name, "__doc__", None) | |
1786 | if isinstance(doc, basestring): |
|
1789 | if isinstance(doc, basestring): | |
1787 | doc = doc.strip() |
|
1790 | doc = doc.strip() | |
1788 | self.doc = doc |
|
1791 | self.doc = doc | |
1789 |
|
1792 | |||
1790 | def __xattrs__(self, mode): |
|
1793 | def __xattrs__(self, mode): | |
1791 | return ("name", "type", "doc", "value") |
|
1794 | return ("name", "type", "doc", "value") | |
1792 |
|
1795 | |||
1793 |
|
1796 | |||
1794 | try: |
|
1797 | try: | |
1795 | from ibrowse import ibrowse |
|
1798 | from ibrowse import ibrowse | |
1796 | except ImportError: |
|
1799 | except ImportError: | |
1797 | # No curses (probably Windows) => use ``idump`` as the default display. |
|
1800 | # No curses (probably Windows) => use ``idump`` as the default display. | |
1798 | defaultdisplay = idump |
|
1801 | defaultdisplay = idump | |
1799 | else: |
|
1802 | else: | |
1800 | defaultdisplay = ibrowse |
|
1803 | defaultdisplay = ibrowse | |
1801 | __all__.append("ibrowse") |
|
1804 | __all__.append("ibrowse") | |
1802 |
|
1805 | |||
1803 |
|
1806 | |||
1804 | # If we're running under IPython, install an IPython displayhook that |
|
1807 | # If we're running under IPython, install an IPython displayhook that | |
1805 | # returns the object from Display.display(), else install a displayhook |
|
1808 | # returns the object from Display.display(), else install a displayhook | |
1806 | # directly as sys.displayhook |
|
1809 | # directly as sys.displayhook | |
1807 | api = None |
|
1810 | api = None | |
1808 | if ipapi is not None: |
|
1811 | if ipapi is not None: | |
1809 | try: |
|
1812 | try: | |
1810 | api = ipapi.get() |
|
1813 | api = ipapi.get() | |
1811 | except AttributeError: |
|
1814 | except AttributeError: | |
1812 | pass |
|
1815 | pass | |
1813 |
|
1816 | |||
1814 | if api is not None: |
|
1817 | if api is not None: | |
1815 | def displayhook(self, obj): |
|
1818 | def displayhook(self, obj): | |
1816 | if isinstance(obj, type) and issubclass(obj, Table): |
|
1819 | if isinstance(obj, type) and issubclass(obj, Table): | |
1817 | obj = obj() |
|
1820 | obj = obj() | |
1818 | if isinstance(obj, Table): |
|
1821 | if isinstance(obj, Table): | |
1819 | obj = obj | defaultdisplay |
|
1822 | obj = obj | defaultdisplay | |
1820 | if isinstance(obj, Display): |
|
1823 | if isinstance(obj, Display): | |
1821 | return obj.display() |
|
1824 | return obj.display() | |
1822 | else: |
|
1825 | else: | |
1823 | raise ipapi.TryNext |
|
1826 | raise ipapi.TryNext | |
1824 | api.set_hook("result_display", displayhook) |
|
1827 | api.set_hook("result_display", displayhook) | |
1825 | else: |
|
1828 | else: | |
1826 | def installdisplayhook(): |
|
1829 | def installdisplayhook(): | |
1827 | _originalhook = sys.displayhook |
|
1830 | _originalhook = sys.displayhook | |
1828 | def displayhook(obj): |
|
1831 | def displayhook(obj): | |
1829 | if isinstance(obj, type) and issubclass(obj, Table): |
|
1832 | if isinstance(obj, type) and issubclass(obj, Table): | |
1830 | obj = obj() |
|
1833 | obj = obj() | |
1831 | if isinstance(obj, Table): |
|
1834 | if isinstance(obj, Table): | |
1832 | obj = obj | defaultdisplay |
|
1835 | obj = obj | defaultdisplay | |
1833 | if isinstance(obj, Display): |
|
1836 | if isinstance(obj, Display): | |
1834 | return obj.display() |
|
1837 | return obj.display() | |
1835 | else: |
|
1838 | else: | |
1836 | _originalhook(obj) |
|
1839 | _originalhook(obj) | |
1837 | sys.displayhook = displayhook |
|
1840 | sys.displayhook = displayhook | |
1838 | installdisplayhook() |
|
1841 | installdisplayhook() |
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