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@@ -1,1121 +1,1125 b'' | |||||
1 | # -*- coding: iso-8859-1 -*- |
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1 | # -*- coding: iso-8859-1 -*- | |
2 |
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2 | |||
3 | import ipipe, os, webbrowser, urllib |
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3 | import ipipe, os, webbrowser, urllib | |
4 | from IPython import ipapi |
|
4 | from IPython import ipapi | |
5 | import wx |
|
5 | import wx | |
6 | import wx.grid, wx.html |
|
6 | import wx.grid, wx.html | |
7 |
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7 | |||
8 | try: |
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8 | try: | |
9 | sorted |
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9 | sorted | |
10 | except NameError: |
|
10 | except NameError: | |
11 | from ipipe import sorted |
|
11 | from ipipe import sorted | |
|
12 | try: | |||
|
13 | set | |||
|
14 | except: | |||
|
15 | from sets import Set as set | |||
12 |
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16 | |||
13 |
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17 | |||
14 | __all__ = ["igrid"] |
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18 | __all__ = ["igrid"] | |
15 |
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19 | |||
16 |
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20 | |||
17 | help = """ |
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21 | help = """ | |
18 | <?xml version='1.0' encoding='iso-8859-1'?> |
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22 | <?xml version='1.0' encoding='iso-8859-1'?> | |
19 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
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23 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
20 | <html> |
|
24 | <html> | |
21 | <head> |
|
25 | <head> | |
22 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> |
|
26 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> | |
23 | <link rel="stylesheet" href="igrid_help.css" type="text/css" /> |
|
27 | <link rel="stylesheet" href="igrid_help.css" type="text/css" /> | |
24 | <title>igrid help</title> |
|
28 | <title>igrid help</title> | |
25 | </head> |
|
29 | </head> | |
26 | <body> |
|
30 | <body> | |
27 | <h1>igrid help</h1> |
|
31 | <h1>igrid help</h1> | |
28 |
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32 | |||
29 |
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33 | |||
30 | <h2>Commands</h2> |
|
34 | <h2>Commands</h2> | |
31 |
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35 | |||
32 |
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36 | |||
33 | <h3>pick (P)</h3> |
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37 | <h3>pick (P)</h3> | |
34 | <p>Pick the whole row (object is available as "_")</p> |
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38 | <p>Pick the whole row (object is available as "_")</p> | |
35 |
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39 | |||
36 | <h3>pickattr (Shift-P)</h3> |
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40 | <h3>pickattr (Shift-P)</h3> | |
37 | <p>Pick the attribute under the cursor</p> |
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41 | <p>Pick the attribute under the cursor</p> | |
38 |
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42 | |||
39 | <h3>pickallattrs (Shift-C)</h3> |
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43 | <h3>pickallattrs (Shift-C)</h3> | |
40 | <p>Pick the complete column under the cursor (i.e. the attribute under the |
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44 | <p>Pick the complete column under the cursor (i.e. the attribute under the | |
41 | cursor) from all currently fetched objects. These attributes will be returned |
|
45 | cursor) from all currently fetched objects. These attributes will be returned | |
42 | as a list.</p> |
|
46 | as a list.</p> | |
43 |
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47 | |||
44 | <h3>pickinput (I)</h3> |
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48 | <h3>pickinput (I)</h3> | |
45 | <p>Pick the current row as next input line in IPython. Additionally the row is stored as "_"</p> |
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49 | <p>Pick the current row as next input line in IPython. Additionally the row is stored as "_"</p> | |
46 |
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50 | |||
47 | <h3>pickinputattr (Shift-I)</h3> |
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51 | <h3>pickinputattr (Shift-I)</h3> | |
48 | <p>Pick the attribute under the cursor as next input line in IPython. Additionally the row is stored as "_"</p> |
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52 | <p>Pick the attribute under the cursor as next input line in IPython. Additionally the row is stored as "_"</p> | |
49 |
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53 | |||
50 | <h3>enter (E)</h3> |
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54 | <h3>enter (E)</h3> | |
51 | <p>Enter the object under the cursor. (what this mean depends on the object |
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55 | <p>Enter the object under the cursor. (what this mean depends on the object | |
52 | itself, i.e. how it implements iteration). This opens a new browser 'level'.</p> |
|
56 | itself, i.e. how it implements iteration). This opens a new browser 'level'.</p> | |
53 |
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57 | |||
54 | <h3>enterattr (Shift-E)</h3> |
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58 | <h3>enterattr (Shift-E)</h3> | |
55 | <p>Enter the attribute under the cursor.</p> |
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59 | <p>Enter the attribute under the cursor.</p> | |
56 |
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60 | |||
57 | <h3>detail (D)</h3> |
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61 | <h3>detail (D)</h3> | |
58 | <p>Show a detail view of the object under the cursor. This shows the name, |
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62 | <p>Show a detail view of the object under the cursor. This shows the name, | |
59 | type, doc string and value of the object attributes (and it might show more |
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63 | type, doc string and value of the object attributes (and it might show more | |
60 | attributes than in the list view, depending on the object).</p> |
|
64 | attributes than in the list view, depending on the object).</p> | |
61 |
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65 | |||
62 | <h3>detailattr (Shift-D)</h3> |
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66 | <h3>detailattr (Shift-D)</h3> | |
63 | <p>Show a detail view of the attribute under the cursor.</p> |
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67 | <p>Show a detail view of the attribute under the cursor.</p> | |
64 |
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68 | |||
65 | <h3>pickrows (M)</h3> |
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69 | <h3>pickrows (M)</h3> | |
66 | <p>Pick multiple selected rows (M)</p> |
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70 | <p>Pick multiple selected rows (M)</p> | |
67 |
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71 | |||
68 | <h3>pickrowsattr (CTRL-M)</h3> |
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72 | <h3>pickrowsattr (CTRL-M)</h3> | |
69 | <p>From multiple selected rows pick the cells matching the attribute the cursor is in (CTRL-M)</p> |
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73 | <p>From multiple selected rows pick the cells matching the attribute the cursor is in (CTRL-M)</p> | |
70 |
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74 | |||
71 | <h3>find (CTRL-F)</h3> |
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75 | <h3>find (CTRL-F)</h3> | |
72 | <p>Find text</p> |
|
76 | <p>Find text</p> | |
73 |
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77 | |||
74 | <h3>find_expression (CTRL-Shift-F)</h3> |
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78 | <h3>find_expression (CTRL-Shift-F)</h3> | |
75 | <p>Find entries matching an expression</p> |
|
79 | <p>Find entries matching an expression</p> | |
76 |
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80 | |||
77 | <h3>find_next (F3)</h3> |
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81 | <h3>find_next (F3)</h3> | |
78 | <p>Find next occurrence</p> |
|
82 | <p>Find next occurrence</p> | |
79 |
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83 | |||
80 | <h3>find_previous (Shift-F3)</h3> |
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84 | <h3>find_previous (Shift-F3)</h3> | |
81 | <p>Find previous occurrence</p> |
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85 | <p>Find previous occurrence</p> | |
82 |
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86 | |||
83 | <h3>sortattrasc (V)</h3> |
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87 | <h3>sortattrasc (V)</h3> | |
84 | <p>Sort the objects (in ascending order) using the attribute under the cursor as the sort key.</p> |
|
88 | <p>Sort the objects (in ascending order) using the attribute under the cursor as the sort key.</p> | |
85 |
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89 | |||
86 | <h3>sortattrdesc (Shift-V)</h3> |
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90 | <h3>sortattrdesc (Shift-V)</h3> | |
87 | <p>Sort the objects (in descending order) using the attribute under the cursor as the sort key.</p> |
|
91 | <p>Sort the objects (in descending order) using the attribute under the cursor as the sort key.</p> | |
88 |
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92 | |||
89 | <h3>refresh_once (R, F5)</h3> |
|
93 | <h3>refresh_once (R, F5)</h3> | |
90 | <p>Refreshes the display by restarting the iterator</p> |
|
94 | <p>Refreshes the display by restarting the iterator</p> | |
91 |
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95 | |||
92 | <h3>refresh_every_second</h3> |
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96 | <h3>refresh_every_second</h3> | |
93 | <p>Refreshes the display by restarting the iterator every second until stopped by stop_refresh.</p> |
|
97 | <p>Refreshes the display by restarting the iterator every second until stopped by stop_refresh.</p> | |
94 |
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98 | |||
95 | <h3>refresh_interval</h3> |
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99 | <h3>refresh_interval</h3> | |
96 | <p>Refreshes the display by restarting the iterator every X ms (X is a custom interval set by the user) until stopped by stop_refresh.</p> |
|
100 | <p>Refreshes the display by restarting the iterator every X ms (X is a custom interval set by the user) until stopped by stop_refresh.</p> | |
97 |
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101 | |||
98 | <h3>stop_refresh</h3> |
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102 | <h3>stop_refresh</h3> | |
99 | <p>Stops all refresh timers.</p> |
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103 | <p>Stops all refresh timers.</p> | |
100 |
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104 | |||
101 | <h3>leave (Backspace, DEL, X)</h3> |
|
105 | <h3>leave (Backspace, DEL, X)</h3> | |
102 | <p>Close current tab (and all the tabs to the right of the current one).</h3> |
|
106 | <p>Close current tab (and all the tabs to the right of the current one).</h3> | |
103 |
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107 | |||
104 | <h3>quit (ESC,Q)</h3> |
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108 | <h3>quit (ESC,Q)</h3> | |
105 | <p>Quit igrid and return to the IPython prompt.</p> |
|
109 | <p>Quit igrid and return to the IPython prompt.</p> | |
106 |
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110 | |||
107 |
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111 | |||
108 | <h2>Navigation</h2> |
|
112 | <h2>Navigation</h2> | |
109 |
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113 | |||
110 |
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114 | |||
111 | <h3>Jump to the last column of the current row (END, CTRL-E, CTRL-Right)</h3> |
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115 | <h3>Jump to the last column of the current row (END, CTRL-E, CTRL-Right)</h3> | |
112 |
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116 | |||
113 | <h3>Jump to the first column of the current row (HOME, CTRL-A, CTRL-Left)</h3> |
|
117 | <h3>Jump to the first column of the current row (HOME, CTRL-A, CTRL-Left)</h3> | |
114 |
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118 | |||
115 | <h3>Move the cursor one column to the left (<)</h3> |
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119 | <h3>Move the cursor one column to the left (<)</h3> | |
116 |
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120 | |||
117 | <h3>Move the cursor one column to the right (>)</h3> |
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121 | <h3>Move the cursor one column to the right (>)</h3> | |
118 |
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122 | |||
119 | <h3>Jump to the first row in the current column (CTRL-Up)</h3> |
|
123 | <h3>Jump to the first row in the current column (CTRL-Up)</h3> | |
120 |
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124 | |||
121 | <h3>Jump to the last row in the current column (CTRL-Down)</h3> |
|
125 | <h3>Jump to the last row in the current column (CTRL-Down)</h3> | |
122 |
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126 | |||
123 | </body> |
|
127 | </body> | |
124 | </html> |
|
128 | </html> | |
125 |
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129 | |||
126 | """ |
|
130 | """ | |
127 |
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131 | |||
128 |
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132 | |||
129 | class IGridRenderer(wx.grid.PyGridCellRenderer): |
|
133 | class IGridRenderer(wx.grid.PyGridCellRenderer): | |
130 | """ |
|
134 | """ | |
131 | This is a custom renderer for our IGridGrid |
|
135 | This is a custom renderer for our IGridGrid | |
132 | """ |
|
136 | """ | |
133 | def __init__(self, table): |
|
137 | def __init__(self, table): | |
134 | self.maxchars = 200 |
|
138 | self.maxchars = 200 | |
135 | self.table = table |
|
139 | self.table = table | |
136 | self.colormap = ( |
|
140 | self.colormap = ( | |
137 | ( 0, 0, 0), |
|
141 | ( 0, 0, 0), | |
138 | (174, 0, 0), |
|
142 | (174, 0, 0), | |
139 | ( 0, 174, 0), |
|
143 | ( 0, 174, 0), | |
140 | (174, 174, 0), |
|
144 | (174, 174, 0), | |
141 | ( 0, 0, 174), |
|
145 | ( 0, 0, 174), | |
142 | (174, 0, 174), |
|
146 | (174, 0, 174), | |
143 | ( 0, 174, 174), |
|
147 | ( 0, 174, 174), | |
144 | ( 64, 64, 64) |
|
148 | ( 64, 64, 64) | |
145 | ) |
|
149 | ) | |
146 |
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150 | |||
147 | wx.grid.PyGridCellRenderer.__init__(self) |
|
151 | wx.grid.PyGridCellRenderer.__init__(self) | |
148 |
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152 | |||
149 | def _getvalue(self, row, col): |
|
153 | def _getvalue(self, row, col): | |
150 | try: |
|
154 | try: | |
151 | value = self.table._displayattrs[col].value(self.table.items[row]) |
|
155 | value = self.table._displayattrs[col].value(self.table.items[row]) | |
152 | (align, width, text) = ipipe.xformat(value, "cell", self.maxchars) |
|
156 | (align, width, text) = ipipe.xformat(value, "cell", self.maxchars) | |
153 | except Exception, exc: |
|
157 | except Exception, exc: | |
154 | (align, width, text) = ipipe.xformat(exc, "cell", self.maxchars) |
|
158 | (align, width, text) = ipipe.xformat(exc, "cell", self.maxchars) | |
155 | return (align, text) |
|
159 | return (align, text) | |
156 |
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160 | |||
157 | def GetBestSize(self, grid, attr, dc, row, col): |
|
161 | def GetBestSize(self, grid, attr, dc, row, col): | |
158 | text = grid.GetCellValue(row, col) |
|
162 | text = grid.GetCellValue(row, col) | |
159 | (align, text) = self._getvalue(row, col) |
|
163 | (align, text) = self._getvalue(row, col) | |
160 | dc.SetFont(attr.GetFont()) |
|
164 | dc.SetFont(attr.GetFont()) | |
161 | (w, h) = dc.GetTextExtent(str(text)) |
|
165 | (w, h) = dc.GetTextExtent(str(text)) | |
162 | return wx.Size(min(w+2, 600), h+2) # add border |
|
166 | return wx.Size(min(w+2, 600), h+2) # add border | |
163 |
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167 | |||
164 | def Draw(self, grid, attr, dc, rect, row, col, isSelected): |
|
168 | def Draw(self, grid, attr, dc, rect, row, col, isSelected): | |
165 | """ |
|
169 | """ | |
166 | Takes care of drawing everything in the cell; aligns the text |
|
170 | Takes care of drawing everything in the cell; aligns the text | |
167 | """ |
|
171 | """ | |
168 | text = grid.GetCellValue(row, col) |
|
172 | text = grid.GetCellValue(row, col) | |
169 | (align, text) = self._getvalue(row, col) |
|
173 | (align, text) = self._getvalue(row, col) | |
170 | if isSelected: |
|
174 | if isSelected: | |
171 | bg = grid.GetSelectionBackground() |
|
175 | bg = grid.GetSelectionBackground() | |
172 | else: |
|
176 | else: | |
173 | bg = ["white", (240, 240, 240)][row%2] |
|
177 | bg = ["white", (240, 240, 240)][row%2] | |
174 | dc.SetTextBackground(bg) |
|
178 | dc.SetTextBackground(bg) | |
175 | dc.SetBrush(wx.Brush(bg, wx.SOLID)) |
|
179 | dc.SetBrush(wx.Brush(bg, wx.SOLID)) | |
176 | dc.SetPen(wx.TRANSPARENT_PEN) |
|
180 | dc.SetPen(wx.TRANSPARENT_PEN) | |
177 | dc.SetFont(attr.GetFont()) |
|
181 | dc.SetFont(attr.GetFont()) | |
178 | dc.DrawRectangleRect(rect) |
|
182 | dc.DrawRectangleRect(rect) | |
179 | dc.SetClippingRect(rect) |
|
183 | dc.SetClippingRect(rect) | |
180 | # Format the text |
|
184 | # Format the text | |
181 | if align == -1: # left alignment |
|
185 | if align == -1: # left alignment | |
182 | (width, height) = dc.GetTextExtent(str(text)) |
|
186 | (width, height) = dc.GetTextExtent(str(text)) | |
183 | x = rect[0]+1 |
|
187 | x = rect[0]+1 | |
184 | y = rect[1]+0.5*(rect[3]-height) |
|
188 | y = rect[1]+0.5*(rect[3]-height) | |
185 |
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189 | |||
186 | for (style, part) in text: |
|
190 | for (style, part) in text: | |
187 | if isSelected: |
|
191 | if isSelected: | |
188 | fg = grid.GetSelectionForeground() |
|
192 | fg = grid.GetSelectionForeground() | |
189 | else: |
|
193 | else: | |
190 | fg = self.colormap[style.fg] |
|
194 | fg = self.colormap[style.fg] | |
191 | dc.SetTextForeground(fg) |
|
195 | dc.SetTextForeground(fg) | |
192 | (w, h) = dc.GetTextExtent(part) |
|
196 | (w, h) = dc.GetTextExtent(part) | |
193 | dc.DrawText(part, x, y) |
|
197 | dc.DrawText(part, x, y) | |
194 | x += w |
|
198 | x += w | |
195 | elif align == 0: # center alignment |
|
199 | elif align == 0: # center alignment | |
196 | (width, height) = dc.GetTextExtent(str(text)) |
|
200 | (width, height) = dc.GetTextExtent(str(text)) | |
197 | x = rect[0]+0.5*(rect[2]-width) |
|
201 | x = rect[0]+0.5*(rect[2]-width) | |
198 | y = rect[1]+0.5*(rect[3]-height) |
|
202 | y = rect[1]+0.5*(rect[3]-height) | |
199 | for (style, part) in text: |
|
203 | for (style, part) in text: | |
200 | if isSelected: |
|
204 | if isSelected: | |
201 | fg = grid.GetSelectionForeground() |
|
205 | fg = grid.GetSelectionForeground() | |
202 | else: |
|
206 | else: | |
203 | fg = self.colormap[style.fg] |
|
207 | fg = self.colormap[style.fg] | |
204 | dc.SetTextForeground(fg) |
|
208 | dc.SetTextForeground(fg) | |
205 | (w, h) = dc.GetTextExtent(part) |
|
209 | (w, h) = dc.GetTextExtent(part) | |
206 | dc.DrawText(part, x, y) |
|
210 | dc.DrawText(part, x, y) | |
207 | x += w |
|
211 | x += w | |
208 | else: # right alignment |
|
212 | else: # right alignment | |
209 | (width, height) = dc.GetTextExtent(str(text)) |
|
213 | (width, height) = dc.GetTextExtent(str(text)) | |
210 | x = rect[0]+rect[2]-1 |
|
214 | x = rect[0]+rect[2]-1 | |
211 | y = rect[1]+0.5*(rect[3]-height) |
|
215 | y = rect[1]+0.5*(rect[3]-height) | |
212 | for (style, part) in reversed(text): |
|
216 | for (style, part) in reversed(text): | |
213 | (w, h) = dc.GetTextExtent(part) |
|
217 | (w, h) = dc.GetTextExtent(part) | |
214 | x -= w |
|
218 | x -= w | |
215 | if isSelected: |
|
219 | if isSelected: | |
216 | fg = grid.GetSelectionForeground() |
|
220 | fg = grid.GetSelectionForeground() | |
217 | else: |
|
221 | else: | |
218 | fg = self.colormap[style.fg] |
|
222 | fg = self.colormap[style.fg] | |
219 | dc.SetTextForeground(fg) |
|
223 | dc.SetTextForeground(fg) | |
220 | dc.DrawText(part, x, y) |
|
224 | dc.DrawText(part, x, y) | |
221 | dc.DestroyClippingRegion() |
|
225 | dc.DestroyClippingRegion() | |
222 |
|
226 | |||
223 | def Clone(self): |
|
227 | def Clone(self): | |
224 | return IGridRenderer(self.table) |
|
228 | return IGridRenderer(self.table) | |
225 |
|
229 | |||
226 |
|
230 | |||
227 | class IGridTable(wx.grid.PyGridTableBase): |
|
231 | class IGridTable(wx.grid.PyGridTableBase): | |
228 | # The data table for the ``IGridGrid``. Some dirty tricks were used here: |
|
232 | # The data table for the ``IGridGrid``. Some dirty tricks were used here: | |
229 | # ``GetValue()`` does not get any values (or at least it does not return |
|
233 | # ``GetValue()`` does not get any values (or at least it does not return | |
230 | # anything, accessing the values is done by the renderer) |
|
234 | # anything, accessing the values is done by the renderer) | |
231 | # but rather tries to fetch the objects which were requested into the table. |
|
235 | # but rather tries to fetch the objects which were requested into the table. | |
232 | # General behaviour is: Fetch the first X objects. If the user scrolls down |
|
236 | # General behaviour is: Fetch the first X objects. If the user scrolls down | |
233 | # to the last object another bunch of X objects is fetched (if possible) |
|
237 | # to the last object another bunch of X objects is fetched (if possible) | |
234 | def __init__(self, input, fontsize, *attrs): |
|
238 | def __init__(self, input, fontsize, *attrs): | |
235 | wx.grid.PyGridTableBase.__init__(self) |
|
239 | wx.grid.PyGridTableBase.__init__(self) | |
236 | self.input = input |
|
240 | self.input = input | |
237 | self.iterator = ipipe.xiter(input) |
|
241 | self.iterator = ipipe.xiter(input) | |
238 | self.items = [] |
|
242 | self.items = [] | |
239 | self.attrs = [ipipe.upgradexattr(attr) for attr in attrs] |
|
243 | self.attrs = [ipipe.upgradexattr(attr) for attr in attrs] | |
240 | self._displayattrs = self.attrs[:] |
|
244 | self._displayattrs = self.attrs[:] | |
241 | self._displayattrset = set(self.attrs) |
|
245 | self._displayattrset = set(self.attrs) | |
242 | self.fontsize = fontsize |
|
246 | self.fontsize = fontsize | |
243 | self._fetch(1) |
|
247 | self._fetch(1) | |
244 | self.timer = wx.Timer() |
|
248 | self.timer = wx.Timer() | |
245 | self.timer.Bind(wx.EVT_TIMER, self.refresh_content) |
|
249 | self.timer.Bind(wx.EVT_TIMER, self.refresh_content) | |
246 |
|
250 | |||
247 | def GetAttr(self, *args): |
|
251 | def GetAttr(self, *args): | |
248 | attr = wx.grid.GridCellAttr() |
|
252 | attr = wx.grid.GridCellAttr() | |
249 | attr.SetFont(wx.Font(self.fontsize, wx.TELETYPE, wx.NORMAL, wx.NORMAL)) |
|
253 | attr.SetFont(wx.Font(self.fontsize, wx.TELETYPE, wx.NORMAL, wx.NORMAL)) | |
250 | return attr |
|
254 | return attr | |
251 |
|
255 | |||
252 | def GetNumberRows(self): |
|
256 | def GetNumberRows(self): | |
253 | return len(self.items) |
|
257 | return len(self.items) | |
254 |
|
258 | |||
255 | def GetNumberCols(self): |
|
259 | def GetNumberCols(self): | |
256 | return len(self._displayattrs) |
|
260 | return len(self._displayattrs) | |
257 |
|
261 | |||
258 | def GetColLabelValue(self, col): |
|
262 | def GetColLabelValue(self, col): | |
259 | if col < len(self._displayattrs): |
|
263 | if col < len(self._displayattrs): | |
260 | return self._displayattrs[col].name() |
|
264 | return self._displayattrs[col].name() | |
261 | else: |
|
265 | else: | |
262 | return "" |
|
266 | return "" | |
263 |
|
267 | |||
264 | def GetRowLabelValue(self, row): |
|
268 | def GetRowLabelValue(self, row): | |
265 | return str(row) |
|
269 | return str(row) | |
266 |
|
270 | |||
267 | def IsEmptyCell(self, row, col): |
|
271 | def IsEmptyCell(self, row, col): | |
268 | return False |
|
272 | return False | |
269 |
|
273 | |||
270 | def _append(self, item): |
|
274 | def _append(self, item): | |
271 | self.items.append(item) |
|
275 | self.items.append(item) | |
272 | # Nothing to do if the set of attributes has been fixed by the user |
|
276 | # Nothing to do if the set of attributes has been fixed by the user | |
273 | if not self.attrs: |
|
277 | if not self.attrs: | |
274 | for attr in ipipe.xattrs(item): |
|
278 | for attr in ipipe.xattrs(item): | |
275 | attr = ipipe.upgradexattr(attr) |
|
279 | attr = ipipe.upgradexattr(attr) | |
276 | if attr not in self._displayattrset: |
|
280 | if attr not in self._displayattrset: | |
277 | self._displayattrs.append(attr) |
|
281 | self._displayattrs.append(attr) | |
278 | self._displayattrset.add(attr) |
|
282 | self._displayattrset.add(attr) | |
279 |
|
283 | |||
280 | def _fetch(self, count): |
|
284 | def _fetch(self, count): | |
281 | # Try to fill ``self.items`` with at least ``count`` objects. |
|
285 | # Try to fill ``self.items`` with at least ``count`` objects. | |
282 | have = len(self.items) |
|
286 | have = len(self.items) | |
283 | while self.iterator is not None and have < count: |
|
287 | while self.iterator is not None and have < count: | |
284 | try: |
|
288 | try: | |
285 | item = self.iterator.next() |
|
289 | item = self.iterator.next() | |
286 | except StopIteration: |
|
290 | except StopIteration: | |
287 | self.iterator = None |
|
291 | self.iterator = None | |
288 | break |
|
292 | break | |
289 | except (KeyboardInterrupt, SystemExit): |
|
293 | except (KeyboardInterrupt, SystemExit): | |
290 | raise |
|
294 | raise | |
291 | except Exception, exc: |
|
295 | except Exception, exc: | |
292 | have += 1 |
|
296 | have += 1 | |
293 | self._append(exc) |
|
297 | self._append(exc) | |
294 | self.iterator = None |
|
298 | self.iterator = None | |
295 | break |
|
299 | break | |
296 | else: |
|
300 | else: | |
297 | have += 1 |
|
301 | have += 1 | |
298 | self._append(item) |
|
302 | self._append(item) | |
299 |
|
303 | |||
300 | def GetValue(self, row, col): |
|
304 | def GetValue(self, row, col): | |
301 | # some kind of dummy-function: does not return anything but ""; |
|
305 | # some kind of dummy-function: does not return anything but ""; | |
302 | # (The value isn't use anyway) |
|
306 | # (The value isn't use anyway) | |
303 | # its main task is to trigger the fetch of new objects |
|
307 | # its main task is to trigger the fetch of new objects | |
304 | sizing_needed = False |
|
308 | sizing_needed = False | |
305 | had_cols = len(self._displayattrs) |
|
309 | had_cols = len(self._displayattrs) | |
306 | had_rows = len(self.items) |
|
310 | had_rows = len(self.items) | |
307 | if row == had_rows - 1 and self.iterator is not None: |
|
311 | if row == had_rows - 1 and self.iterator is not None: | |
308 | self._fetch(row + 20) |
|
312 | self._fetch(row + 20) | |
309 | sizing_needed = True |
|
313 | sizing_needed = True | |
310 | have_rows = len(self.items) |
|
314 | have_rows = len(self.items) | |
311 | have_cols = len(self._displayattrs) |
|
315 | have_cols = len(self._displayattrs) | |
312 | if have_rows > had_rows: |
|
316 | if have_rows > had_rows: | |
313 | msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_NOTIFY_ROWS_APPENDED, have_rows - had_rows) |
|
317 | msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_NOTIFY_ROWS_APPENDED, have_rows - had_rows) | |
314 | self.GetView().ProcessTableMessage(msg) |
|
318 | self.GetView().ProcessTableMessage(msg) | |
315 | sizing_needed = True |
|
319 | sizing_needed = True | |
316 | if row >= have_rows: |
|
320 | if row >= have_rows: | |
317 | return "" |
|
321 | return "" | |
318 | if have_cols != had_cols: |
|
322 | if have_cols != had_cols: | |
319 | msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_NOTIFY_COLS_APPENDED, have_cols - had_cols) |
|
323 | msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_NOTIFY_COLS_APPENDED, have_cols - had_cols) | |
320 | self.GetView().ProcessTableMessage(msg) |
|
324 | self.GetView().ProcessTableMessage(msg) | |
321 | sizing_needed = True |
|
325 | sizing_needed = True | |
322 | if sizing_needed: |
|
326 | if sizing_needed: | |
323 | self.GetView().AutoSizeColumns(False) |
|
327 | self.GetView().AutoSizeColumns(False) | |
324 | return "" |
|
328 | return "" | |
325 |
|
329 | |||
326 | def SetValue(self, row, col, value): |
|
330 | def SetValue(self, row, col, value): | |
327 | pass |
|
331 | pass | |
328 |
|
332 | |||
329 | def refresh_content(self, event): |
|
333 | def refresh_content(self, event): | |
330 | msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_NOTIFY_ROWS_DELETED, 0, self.GetNumberRows()) |
|
334 | msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_NOTIFY_ROWS_DELETED, 0, self.GetNumberRows()) | |
331 | self.GetView().ProcessTableMessage(msg) |
|
335 | self.GetView().ProcessTableMessage(msg) | |
332 | self.iterator = ipipe.xiter(self.input) |
|
336 | self.iterator = ipipe.xiter(self.input) | |
333 | self.items = [] |
|
337 | self.items = [] | |
334 | self.attrs = [] # _append will calculate new displayattrs |
|
338 | self.attrs = [] # _append will calculate new displayattrs | |
335 | self._fetch(1) # fetch one... |
|
339 | self._fetch(1) # fetch one... | |
336 | if self.items: |
|
340 | if self.items: | |
337 | msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_NOTIFY_ROWS_APPENDED, 1) |
|
341 | msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_NOTIFY_ROWS_APPENDED, 1) | |
338 | self.GetView().ProcessTableMessage(msg) |
|
342 | self.GetView().ProcessTableMessage(msg) | |
339 | self.GetValue(0, 0) # and trigger "fetch next 20" |
|
343 | self.GetValue(0, 0) # and trigger "fetch next 20" | |
340 | item = self.items[0] |
|
344 | item = self.items[0] | |
341 | self.GetView().AutoSizeColumns(False) |
|
345 | self.GetView().AutoSizeColumns(False) | |
342 | panel = self.GetView().GetParent() |
|
346 | panel = self.GetView().GetParent() | |
343 | nb = panel.GetParent() |
|
347 | nb = panel.GetParent() | |
344 | current = nb.GetSelection() |
|
348 | current = nb.GetSelection() | |
345 | if nb.GetPage(current) == panel: |
|
349 | if nb.GetPage(current) == panel: | |
346 | self.GetView().set_footer(item) |
|
350 | self.GetView().set_footer(item) | |
347 |
|
351 | |||
348 | class IGridGrid(wx.grid.Grid): |
|
352 | class IGridGrid(wx.grid.Grid): | |
349 | # The actual grid |
|
353 | # The actual grid | |
350 | # all methods for selecting/sorting/picking/... data are implemented here |
|
354 | # all methods for selecting/sorting/picking/... data are implemented here | |
351 | def __init__(self, panel, input, *attrs): |
|
355 | def __init__(self, panel, input, *attrs): | |
352 | wx.grid.Grid.__init__(self, panel) |
|
356 | wx.grid.Grid.__init__(self, panel) | |
353 | fontsize = 9 |
|
357 | fontsize = 9 | |
354 | self.input = input |
|
358 | self.input = input | |
355 | self.table = IGridTable(self.input, fontsize, *attrs) |
|
359 | self.table = IGridTable(self.input, fontsize, *attrs) | |
356 | self.SetTable(self.table, True) |
|
360 | self.SetTable(self.table, True) | |
357 | self.SetSelectionMode(wx.grid.Grid.wxGridSelectRows) |
|
361 | self.SetSelectionMode(wx.grid.Grid.wxGridSelectRows) | |
358 | self.SetDefaultRenderer(IGridRenderer(self.table)) |
|
362 | self.SetDefaultRenderer(IGridRenderer(self.table)) | |
359 | self.EnableEditing(False) |
|
363 | self.EnableEditing(False) | |
360 | self.Bind(wx.EVT_KEY_DOWN, self.key_pressed) |
|
364 | self.Bind(wx.EVT_KEY_DOWN, self.key_pressed) | |
361 | self.Bind(wx.grid.EVT_GRID_CELL_LEFT_DCLICK, self.cell_doubleclicked) |
|
365 | self.Bind(wx.grid.EVT_GRID_CELL_LEFT_DCLICK, self.cell_doubleclicked) | |
362 | self.Bind(wx.grid.EVT_GRID_CELL_LEFT_CLICK, self.cell_leftclicked) |
|
366 | self.Bind(wx.grid.EVT_GRID_CELL_LEFT_CLICK, self.cell_leftclicked) | |
363 | self.Bind(wx.grid.EVT_GRID_LABEL_LEFT_DCLICK, self.label_doubleclicked) |
|
367 | self.Bind(wx.grid.EVT_GRID_LABEL_LEFT_DCLICK, self.label_doubleclicked) | |
364 | self.Bind(wx.grid.EVT_GRID_LABEL_LEFT_CLICK, self.on_label_leftclick) |
|
368 | self.Bind(wx.grid.EVT_GRID_LABEL_LEFT_CLICK, self.on_label_leftclick) | |
365 | self.Bind(wx.grid.EVT_GRID_RANGE_SELECT, self._on_selected_range) |
|
369 | self.Bind(wx.grid.EVT_GRID_RANGE_SELECT, self._on_selected_range) | |
366 | self.Bind(wx.grid.EVT_GRID_SELECT_CELL, self._on_selected_cell) |
|
370 | self.Bind(wx.grid.EVT_GRID_SELECT_CELL, self._on_selected_cell) | |
367 | self.current_selection = set() |
|
371 | self.current_selection = set() | |
368 | self.maxchars = 200 |
|
372 | self.maxchars = 200 | |
369 |
|
373 | |||
370 | def on_label_leftclick(self, event): |
|
374 | def on_label_leftclick(self, event): | |
371 | event.Skip() |
|
375 | event.Skip() | |
372 |
|
376 | |||
373 | def error_output(self, text): |
|
377 | def error_output(self, text): | |
374 | wx.Bell() |
|
378 | wx.Bell() | |
375 | frame = self.GetParent().GetParent().GetParent() |
|
379 | frame = self.GetParent().GetParent().GetParent() | |
376 | frame.SetStatusText(str(text)) |
|
380 | frame.SetStatusText(str(text)) | |
377 |
|
381 | |||
378 | def _on_selected_range(self, event): |
|
382 | def _on_selected_range(self, event): | |
379 | # Internal update to the selection tracking lists |
|
383 | # Internal update to the selection tracking lists | |
380 | if event.Selecting(): |
|
384 | if event.Selecting(): | |
381 | # adding to the list... |
|
385 | # adding to the list... | |
382 | self.current_selection.update(xrange(event.GetTopRow(), event.GetBottomRow()+1)) |
|
386 | self.current_selection.update(xrange(event.GetTopRow(), event.GetBottomRow()+1)) | |
383 | else: |
|
387 | else: | |
384 | # removal from list |
|
388 | # removal from list | |
385 | for index in xrange(event.GetTopRow(), event.GetBottomRow()+1): |
|
389 | for index in xrange(event.GetTopRow(), event.GetBottomRow()+1): | |
386 | self.current_selection.discard(index) |
|
390 | self.current_selection.discard(index) | |
387 | event.Skip() |
|
391 | event.Skip() | |
388 |
|
392 | |||
389 | def _on_selected_cell(self, event): |
|
393 | def _on_selected_cell(self, event): | |
390 | # Internal update to the selection tracking list |
|
394 | # Internal update to the selection tracking list | |
391 | self.current_selection = set([event.GetRow()]) |
|
395 | self.current_selection = set([event.GetRow()]) | |
392 | event.Skip() |
|
396 | event.Skip() | |
393 |
|
397 | |||
394 | def sort(self, key, reverse=False): |
|
398 | def sort(self, key, reverse=False): | |
395 | """ |
|
399 | """ | |
396 | Sort the current list of items using the key function ``key``. If |
|
400 | Sort the current list of items using the key function ``key``. If | |
397 | ``reverse`` is true the sort order is reversed. |
|
401 | ``reverse`` is true the sort order is reversed. | |
398 | """ |
|
402 | """ | |
399 | row = self.GetGridCursorRow() |
|
403 | row = self.GetGridCursorRow() | |
400 | col = self.GetGridCursorCol() |
|
404 | col = self.GetGridCursorCol() | |
401 | curitem = self.table.items[row] # Remember where the cursor is now |
|
405 | curitem = self.table.items[row] # Remember where the cursor is now | |
402 | # Sort items |
|
406 | # Sort items | |
403 | def realkey(item): |
|
407 | def realkey(item): | |
404 | try: |
|
408 | try: | |
405 | return key(item) |
|
409 | return key(item) | |
406 | except (KeyboardInterrupt, SystemExit): |
|
410 | except (KeyboardInterrupt, SystemExit): | |
407 | raise |
|
411 | raise | |
408 | except Exception: |
|
412 | except Exception: | |
409 | return None |
|
413 | return None | |
410 | try: |
|
414 | try: | |
411 | self.table.items = ipipe.deque(sorted(self.table.items, key=realkey, reverse=reverse)) |
|
415 | self.table.items = ipipe.deque(sorted(self.table.items, key=realkey, reverse=reverse)) | |
412 | except TypeError, exc: |
|
416 | except TypeError, exc: | |
413 | self.error_output("Exception encountered: %s" % exc) |
|
417 | self.error_output("Exception encountered: %s" % exc) | |
414 | return |
|
418 | return | |
415 | # Find out where the object under the cursor went |
|
419 | # Find out where the object under the cursor went | |
416 | for (i, item) in enumerate(self.table.items): |
|
420 | for (i, item) in enumerate(self.table.items): | |
417 | if item is curitem: |
|
421 | if item is curitem: | |
418 | self.SetGridCursor(i,col) |
|
422 | self.SetGridCursor(i,col) | |
419 | self.MakeCellVisible(i,col) |
|
423 | self.MakeCellVisible(i,col) | |
420 | self.Refresh() |
|
424 | self.Refresh() | |
421 |
|
425 | |||
422 | def sortattrasc(self): |
|
426 | def sortattrasc(self): | |
423 | """ |
|
427 | """ | |
424 | Sort in ascending order; sorting criteria is the current attribute |
|
428 | Sort in ascending order; sorting criteria is the current attribute | |
425 | """ |
|
429 | """ | |
426 | col = self.GetGridCursorCol() |
|
430 | col = self.GetGridCursorCol() | |
427 | attr = self.table._displayattrs[col] |
|
431 | attr = self.table._displayattrs[col] | |
428 | frame = self.GetParent().GetParent().GetParent() |
|
432 | frame = self.GetParent().GetParent().GetParent() | |
429 | if attr is ipipe.noitem: |
|
433 | if attr is ipipe.noitem: | |
430 | self.error_output("no column under cursor") |
|
434 | self.error_output("no column under cursor") | |
431 | return |
|
435 | return | |
432 | frame.SetStatusText("sort by %s (ascending)" % attr.name()) |
|
436 | frame.SetStatusText("sort by %s (ascending)" % attr.name()) | |
433 | def key(item): |
|
437 | def key(item): | |
434 | try: |
|
438 | try: | |
435 | return attr.value(item) |
|
439 | return attr.value(item) | |
436 | except (KeyboardInterrupt, SystemExit): |
|
440 | except (KeyboardInterrupt, SystemExit): | |
437 | raise |
|
441 | raise | |
438 | except Exception: |
|
442 | except Exception: | |
439 | return None |
|
443 | return None | |
440 | self.sort(key) |
|
444 | self.sort(key) | |
441 |
|
445 | |||
442 | def sortattrdesc(self): |
|
446 | def sortattrdesc(self): | |
443 | """ |
|
447 | """ | |
444 | Sort in descending order; sorting criteria is the current attribute |
|
448 | Sort in descending order; sorting criteria is the current attribute | |
445 | """ |
|
449 | """ | |
446 | col = self.GetGridCursorCol() |
|
450 | col = self.GetGridCursorCol() | |
447 | attr = self.table._displayattrs[col] |
|
451 | attr = self.table._displayattrs[col] | |
448 | frame = self.GetParent().GetParent().GetParent() |
|
452 | frame = self.GetParent().GetParent().GetParent() | |
449 | if attr is ipipe.noitem: |
|
453 | if attr is ipipe.noitem: | |
450 | self.error_output("no column under cursor") |
|
454 | self.error_output("no column under cursor") | |
451 | return |
|
455 | return | |
452 | frame.SetStatusText("sort by %s (descending)" % attr.name()) |
|
456 | frame.SetStatusText("sort by %s (descending)" % attr.name()) | |
453 | def key(item): |
|
457 | def key(item): | |
454 | try: |
|
458 | try: | |
455 | return attr.value(item) |
|
459 | return attr.value(item) | |
456 | except (KeyboardInterrupt, SystemExit): |
|
460 | except (KeyboardInterrupt, SystemExit): | |
457 | raise |
|
461 | raise | |
458 | except Exception: |
|
462 | except Exception: | |
459 | return None |
|
463 | return None | |
460 | self.sort(key, reverse=True) |
|
464 | self.sort(key, reverse=True) | |
461 |
|
465 | |||
462 | def label_doubleclicked(self, event): |
|
466 | def label_doubleclicked(self, event): | |
463 | row = event.GetRow() |
|
467 | row = event.GetRow() | |
464 | col = event.GetCol() |
|
468 | col = event.GetCol() | |
465 | if col == -1: |
|
469 | if col == -1: | |
466 | self.enter(row) |
|
470 | self.enter(row) | |
467 |
|
471 | |||
468 | def _getvalue(self, row, col): |
|
472 | def _getvalue(self, row, col): | |
469 | """ |
|
473 | """ | |
470 | Gets the text which is displayed at ``(row, col)`` |
|
474 | Gets the text which is displayed at ``(row, col)`` | |
471 | """ |
|
475 | """ | |
472 | try: |
|
476 | try: | |
473 | value = self.table._displayattrs[col].value(self.table.items[row]) |
|
477 | value = self.table._displayattrs[col].value(self.table.items[row]) | |
474 | (align, width, text) = ipipe.xformat(value, "cell", self.maxchars) |
|
478 | (align, width, text) = ipipe.xformat(value, "cell", self.maxchars) | |
475 | except IndexError: |
|
479 | except IndexError: | |
476 | raise IndexError |
|
480 | raise IndexError | |
477 | except Exception, exc: |
|
481 | except Exception, exc: | |
478 | (align, width, text) = ipipe.xformat(exc, "cell", self.maxchars) |
|
482 | (align, width, text) = ipipe.xformat(exc, "cell", self.maxchars) | |
479 | return text |
|
483 | return text | |
480 |
|
484 | |||
481 | def searchexpression(self, searchexp, startrow=None, search_forward=True ): |
|
485 | def searchexpression(self, searchexp, startrow=None, search_forward=True ): | |
482 | """ |
|
486 | """ | |
483 | Find by expression |
|
487 | Find by expression | |
484 | """ |
|
488 | """ | |
485 | frame = self.GetParent().GetParent().GetParent() |
|
489 | frame = self.GetParent().GetParent().GetParent() | |
486 | if searchexp: |
|
490 | if searchexp: | |
487 | if search_forward: |
|
491 | if search_forward: | |
488 | if not startrow: |
|
492 | if not startrow: | |
489 | row = self.GetGridCursorRow()+1 |
|
493 | row = self.GetGridCursorRow()+1 | |
490 | else: |
|
494 | else: | |
491 | row = startrow + 1 |
|
495 | row = startrow + 1 | |
492 | while True: |
|
496 | while True: | |
493 | try: |
|
497 | try: | |
494 | foo = self.table.GetValue(row, 0) |
|
498 | foo = self.table.GetValue(row, 0) | |
495 | item = self.table.items[row] |
|
499 | item = self.table.items[row] | |
496 | try: |
|
500 | try: | |
497 | globals = ipipe.getglobals(None) |
|
501 | globals = ipipe.getglobals(None) | |
498 | if eval(searchexp, globals, ipipe.AttrNamespace(item)): |
|
502 | if eval(searchexp, globals, ipipe.AttrNamespace(item)): | |
499 | self.SetGridCursor(row, 0) # found something |
|
503 | self.SetGridCursor(row, 0) # found something | |
500 | self.MakeCellVisible(row, 0) |
|
504 | self.MakeCellVisible(row, 0) | |
501 | break |
|
505 | break | |
502 | except (KeyboardInterrupt, SystemExit): |
|
506 | except (KeyboardInterrupt, SystemExit): | |
503 | raise |
|
507 | raise | |
504 | except Exception, exc: |
|
508 | except Exception, exc: | |
505 | frame.SetStatusText(str(exc)) |
|
509 | frame.SetStatusText(str(exc)) | |
506 | wx.Bell() |
|
510 | wx.Bell() | |
507 | break # break on error |
|
511 | break # break on error | |
508 | except IndexError: |
|
512 | except IndexError: | |
509 | return |
|
513 | return | |
510 | row += 1 |
|
514 | row += 1 | |
511 | else: |
|
515 | else: | |
512 | if not startrow: |
|
516 | if not startrow: | |
513 | row = self.GetGridCursorRow() - 1 |
|
517 | row = self.GetGridCursorRow() - 1 | |
514 | else: |
|
518 | else: | |
515 | row = startrow - 1 |
|
519 | row = startrow - 1 | |
516 | while True: |
|
520 | while True: | |
517 | try: |
|
521 | try: | |
518 | foo = self.table.GetValue(row, 0) |
|
522 | foo = self.table.GetValue(row, 0) | |
519 | item = self.table.items[row] |
|
523 | item = self.table.items[row] | |
520 | try: |
|
524 | try: | |
521 | globals = ipipe.getglobals(None) |
|
525 | globals = ipipe.getglobals(None) | |
522 | if eval(searchexp, globals, ipipe.AttrNamespace(item)): |
|
526 | if eval(searchexp, globals, ipipe.AttrNamespace(item)): | |
523 | self.SetGridCursor(row, 0) # found something |
|
527 | self.SetGridCursor(row, 0) # found something | |
524 | self.MakeCellVisible(row, 0) |
|
528 | self.MakeCellVisible(row, 0) | |
525 | break |
|
529 | break | |
526 | except (KeyboardInterrupt, SystemExit): |
|
530 | except (KeyboardInterrupt, SystemExit): | |
527 | raise |
|
531 | raise | |
528 | except Exception, exc: |
|
532 | except Exception, exc: | |
529 | frame.SetStatusText(str(exc)) |
|
533 | frame.SetStatusText(str(exc)) | |
530 | wx.Bell() |
|
534 | wx.Bell() | |
531 | break # break on error |
|
535 | break # break on error | |
532 | except IndexError: |
|
536 | except IndexError: | |
533 | return |
|
537 | return | |
534 | row -= 1 |
|
538 | row -= 1 | |
535 |
|
539 | |||
536 |
|
540 | |||
537 | def search(self, searchtext, startrow=None, startcol=None, search_forward=True): |
|
541 | def search(self, searchtext, startrow=None, startcol=None, search_forward=True): | |
538 | """ |
|
542 | """ | |
539 | search for ``searchtext``, starting in ``(startrow, startcol)``; |
|
543 | search for ``searchtext``, starting in ``(startrow, startcol)``; | |
540 | if ``search_forward`` is true the direction is "forward" |
|
544 | if ``search_forward`` is true the direction is "forward" | |
541 | """ |
|
545 | """ | |
542 | searchtext = searchtext.lower() |
|
546 | searchtext = searchtext.lower() | |
543 | if search_forward: |
|
547 | if search_forward: | |
544 | if startrow is not None and startcol is not None: |
|
548 | if startrow is not None and startcol is not None: | |
545 | row = startrow |
|
549 | row = startrow | |
546 | else: |
|
550 | else: | |
547 | startcol = self.GetGridCursorCol() + 1 |
|
551 | startcol = self.GetGridCursorCol() + 1 | |
548 | row = self.GetGridCursorRow() |
|
552 | row = self.GetGridCursorRow() | |
549 | if startcol >= self.GetNumberCols(): |
|
553 | if startcol >= self.GetNumberCols(): | |
550 | startcol = 0 |
|
554 | startcol = 0 | |
551 | row += 1 |
|
555 | row += 1 | |
552 | while True: |
|
556 | while True: | |
553 | for col in xrange(startcol, self.table.GetNumberCols()): |
|
557 | for col in xrange(startcol, self.table.GetNumberCols()): | |
554 | try: |
|
558 | try: | |
555 | foo = self.table.GetValue(row, col) |
|
559 | foo = self.table.GetValue(row, col) | |
556 | text = self._getvalue(row, col) |
|
560 | text = self._getvalue(row, col) | |
557 | if searchtext in text.string().lower(): |
|
561 | if searchtext in text.string().lower(): | |
558 | self.SetGridCursor(row, col) |
|
562 | self.SetGridCursor(row, col) | |
559 | self.MakeCellVisible(row, col) |
|
563 | self.MakeCellVisible(row, col) | |
560 | return |
|
564 | return | |
561 | except IndexError: |
|
565 | except IndexError: | |
562 | return |
|
566 | return | |
563 | startcol = 0 |
|
567 | startcol = 0 | |
564 | row += 1 |
|
568 | row += 1 | |
565 | else: |
|
569 | else: | |
566 | if startrow is not None and startcol is not None: |
|
570 | if startrow is not None and startcol is not None: | |
567 | row = startrow |
|
571 | row = startrow | |
568 | else: |
|
572 | else: | |
569 | startcol = self.GetGridCursorCol() - 1 |
|
573 | startcol = self.GetGridCursorCol() - 1 | |
570 | row = self.GetGridCursorRow() |
|
574 | row = self.GetGridCursorRow() | |
571 | if startcol < 0: |
|
575 | if startcol < 0: | |
572 | startcol = self.GetNumberCols() - 1 |
|
576 | startcol = self.GetNumberCols() - 1 | |
573 | row -= 1 |
|
577 | row -= 1 | |
574 | while True: |
|
578 | while True: | |
575 | for col in xrange(startcol, -1, -1): |
|
579 | for col in xrange(startcol, -1, -1): | |
576 | try: |
|
580 | try: | |
577 | foo = self.table.GetValue(row, col) |
|
581 | foo = self.table.GetValue(row, col) | |
578 | text = self._getvalue(row, col) |
|
582 | text = self._getvalue(row, col) | |
579 | if searchtext in text.string().lower(): |
|
583 | if searchtext in text.string().lower(): | |
580 | self.SetGridCursor(row, col) |
|
584 | self.SetGridCursor(row, col) | |
581 | self.MakeCellVisible(row, col) |
|
585 | self.MakeCellVisible(row, col) | |
582 | return |
|
586 | return | |
583 | except IndexError: |
|
587 | except IndexError: | |
584 | return |
|
588 | return | |
585 | startcol = self.table.GetNumberCols()-1 |
|
589 | startcol = self.table.GetNumberCols()-1 | |
586 | row -= 1 |
|
590 | row -= 1 | |
587 |
|
591 | |||
588 | def key_pressed(self, event): |
|
592 | def key_pressed(self, event): | |
589 | """ |
|
593 | """ | |
590 | Maps pressed keys to functions |
|
594 | Maps pressed keys to functions | |
591 | """ |
|
595 | """ | |
592 | frame = self.GetParent().GetParent().GetParent() |
|
596 | frame = self.GetParent().GetParent().GetParent() | |
593 | frame.SetStatusText("") |
|
597 | frame.SetStatusText("") | |
594 | sh = event.ShiftDown() |
|
598 | sh = event.ShiftDown() | |
595 | ctrl = event.ControlDown() |
|
599 | ctrl = event.ControlDown() | |
596 |
|
600 | |||
597 | keycode = event.GetKeyCode() |
|
601 | keycode = event.GetKeyCode() | |
598 | if keycode == ord("P"): |
|
602 | if keycode == ord("P"): | |
599 | row = self.GetGridCursorRow() |
|
603 | row = self.GetGridCursorRow() | |
600 | if sh: |
|
604 | if sh: | |
601 | col = self.GetGridCursorCol() |
|
605 | col = self.GetGridCursorCol() | |
602 | self.pickattr(row, col) |
|
606 | self.pickattr(row, col) | |
603 | else: |
|
607 | else: | |
604 | self.pick(row) |
|
608 | self.pick(row) | |
605 | elif keycode == ord("M"): |
|
609 | elif keycode == ord("M"): | |
606 | if ctrl: |
|
610 | if ctrl: | |
607 | col = self.GetGridCursorCol() |
|
611 | col = self.GetGridCursorCol() | |
608 | self.pickrowsattr(sorted(self.current_selection), col) |
|
612 | self.pickrowsattr(sorted(self.current_selection), col) | |
609 | else: |
|
613 | else: | |
610 | self.pickrows(sorted(self.current_selection)) |
|
614 | self.pickrows(sorted(self.current_selection)) | |
611 | elif keycode in (wx.WXK_BACK, wx.WXK_DELETE, ord("X")) and not (ctrl or sh): |
|
615 | elif keycode in (wx.WXK_BACK, wx.WXK_DELETE, ord("X")) and not (ctrl or sh): | |
612 | self.delete_current_notebook() |
|
616 | self.delete_current_notebook() | |
613 | elif keycode in (ord("E"), ord("\r")): |
|
617 | elif keycode in (ord("E"), ord("\r")): | |
614 | row = self.GetGridCursorRow() |
|
618 | row = self.GetGridCursorRow() | |
615 | if sh: |
|
619 | if sh: | |
616 | col = self.GetGridCursorCol() |
|
620 | col = self.GetGridCursorCol() | |
617 | self.enterattr(row, col) |
|
621 | self.enterattr(row, col) | |
618 | else: |
|
622 | else: | |
619 | self.enter(row) |
|
623 | self.enter(row) | |
620 | elif keycode == ord("E") and ctrl: |
|
624 | elif keycode == ord("E") and ctrl: | |
621 | row = self.GetGridCursorRow() |
|
625 | row = self.GetGridCursorRow() | |
622 | self.SetGridCursor(row, self.GetNumberCols()-1) |
|
626 | self.SetGridCursor(row, self.GetNumberCols()-1) | |
623 | elif keycode == wx.WXK_HOME or (keycode == ord("A") and ctrl): |
|
627 | elif keycode == wx.WXK_HOME or (keycode == ord("A") and ctrl): | |
624 | row = self.GetGridCursorRow() |
|
628 | row = self.GetGridCursorRow() | |
625 | self.SetGridCursor(row, 0) |
|
629 | self.SetGridCursor(row, 0) | |
626 | elif keycode == ord("C") and sh: |
|
630 | elif keycode == ord("C") and sh: | |
627 | col = self.GetGridCursorCol() |
|
631 | col = self.GetGridCursorCol() | |
628 | attr = self.table._displayattrs[col] |
|
632 | attr = self.table._displayattrs[col] | |
629 | result = [] |
|
633 | result = [] | |
630 | for i in xrange(self.GetNumberRows()): |
|
634 | for i in xrange(self.GetNumberRows()): | |
631 | result.append(self.table._displayattrs[col].value(self.table.items[i])) |
|
635 | result.append(self.table._displayattrs[col].value(self.table.items[i])) | |
632 | self.quit(result) |
|
636 | self.quit(result) | |
633 | elif keycode in (wx.WXK_ESCAPE, ord("Q")) and not (ctrl or sh): |
|
637 | elif keycode in (wx.WXK_ESCAPE, ord("Q")) and not (ctrl or sh): | |
634 | self.quit() |
|
638 | self.quit() | |
635 | elif keycode == ord("<"): |
|
639 | elif keycode == ord("<"): | |
636 | row = self.GetGridCursorRow() |
|
640 | row = self.GetGridCursorRow() | |
637 | col = self.GetGridCursorCol() |
|
641 | col = self.GetGridCursorCol() | |
638 | if not event.ShiftDown(): |
|
642 | if not event.ShiftDown(): | |
639 | newcol = col - 1 |
|
643 | newcol = col - 1 | |
640 | if newcol >= 0: |
|
644 | if newcol >= 0: | |
641 | self.SetGridCursor(row, col - 1) |
|
645 | self.SetGridCursor(row, col - 1) | |
642 | else: |
|
646 | else: | |
643 | newcol = col + 1 |
|
647 | newcol = col + 1 | |
644 | if newcol < self.GetNumberCols(): |
|
648 | if newcol < self.GetNumberCols(): | |
645 | self.SetGridCursor(row, col + 1) |
|
649 | self.SetGridCursor(row, col + 1) | |
646 | elif keycode == ord("D"): |
|
650 | elif keycode == ord("D"): | |
647 | col = self.GetGridCursorCol() |
|
651 | col = self.GetGridCursorCol() | |
648 | row = self.GetGridCursorRow() |
|
652 | row = self.GetGridCursorRow() | |
649 | if not sh: |
|
653 | if not sh: | |
650 | self.detail(row, col) |
|
654 | self.detail(row, col) | |
651 | else: |
|
655 | else: | |
652 | self.detail_attr(row, col) |
|
656 | self.detail_attr(row, col) | |
653 | elif keycode == ord("F") and ctrl: |
|
657 | elif keycode == ord("F") and ctrl: | |
654 | if sh: |
|
658 | if sh: | |
655 | frame.enter_searchexpression(event) |
|
659 | frame.enter_searchexpression(event) | |
656 | else: |
|
660 | else: | |
657 | frame.enter_searchtext(event) |
|
661 | frame.enter_searchtext(event) | |
658 | elif keycode == wx.WXK_F3: |
|
662 | elif keycode == wx.WXK_F3: | |
659 | if sh: |
|
663 | if sh: | |
660 | frame.find_previous(event) |
|
664 | frame.find_previous(event) | |
661 | else: |
|
665 | else: | |
662 | frame.find_next(event) |
|
666 | frame.find_next(event) | |
663 | elif keycode == ord("V"): |
|
667 | elif keycode == ord("V"): | |
664 | if sh: |
|
668 | if sh: | |
665 | self.sortattrdesc() |
|
669 | self.sortattrdesc() | |
666 | else: |
|
670 | else: | |
667 | self.sortattrasc() |
|
671 | self.sortattrasc() | |
668 | elif keycode == wx.WXK_DOWN: |
|
672 | elif keycode == wx.WXK_DOWN: | |
669 | row = self.GetGridCursorRow() |
|
673 | row = self.GetGridCursorRow() | |
670 | try: |
|
674 | try: | |
671 | item = self.table.items[row+1] |
|
675 | item = self.table.items[row+1] | |
672 | except IndexError: |
|
676 | except IndexError: | |
673 | item = self.table.items[row] |
|
677 | item = self.table.items[row] | |
674 | self.set_footer(item) |
|
678 | self.set_footer(item) | |
675 | event.Skip() |
|
679 | event.Skip() | |
676 | elif keycode == wx.WXK_UP: |
|
680 | elif keycode == wx.WXK_UP: | |
677 | row = self.GetGridCursorRow() |
|
681 | row = self.GetGridCursorRow() | |
678 | if row >= 1: |
|
682 | if row >= 1: | |
679 | item = self.table.items[row-1] |
|
683 | item = self.table.items[row-1] | |
680 | else: |
|
684 | else: | |
681 | item = self.table.items[row] |
|
685 | item = self.table.items[row] | |
682 | self.set_footer(item) |
|
686 | self.set_footer(item) | |
683 | event.Skip() |
|
687 | event.Skip() | |
684 | elif keycode == wx.WXK_RIGHT: |
|
688 | elif keycode == wx.WXK_RIGHT: | |
685 | row = self.GetGridCursorRow() |
|
689 | row = self.GetGridCursorRow() | |
686 | item = self.table.items[row] |
|
690 | item = self.table.items[row] | |
687 | self.set_footer(item) |
|
691 | self.set_footer(item) | |
688 | event.Skip() |
|
692 | event.Skip() | |
689 | elif keycode == wx.WXK_LEFT: |
|
693 | elif keycode == wx.WXK_LEFT: | |
690 | row = self.GetGridCursorRow() |
|
694 | row = self.GetGridCursorRow() | |
691 | item = self.table.items[row] |
|
695 | item = self.table.items[row] | |
692 | self.set_footer(item) |
|
696 | self.set_footer(item) | |
693 | event.Skip() |
|
697 | event.Skip() | |
694 | elif keycode == ord("R") or keycode == wx.WXK_F5: |
|
698 | elif keycode == ord("R") or keycode == wx.WXK_F5: | |
695 | self.table.refresh_content(event) |
|
699 | self.table.refresh_content(event) | |
696 | elif keycode == ord("I"): |
|
700 | elif keycode == ord("I"): | |
697 | row = self.GetGridCursorRow() |
|
701 | row = self.GetGridCursorRow() | |
698 | if not sh: |
|
702 | if not sh: | |
699 | self.pickinput(row) |
|
703 | self.pickinput(row) | |
700 | else: |
|
704 | else: | |
701 | col = self.GetGridCursorCol() |
|
705 | col = self.GetGridCursorCol() | |
702 | self.pickinputattr(row, col) |
|
706 | self.pickinputattr(row, col) | |
703 | else: |
|
707 | else: | |
704 | event.Skip() |
|
708 | event.Skip() | |
705 |
|
709 | |||
706 | def delete_current_notebook(self): |
|
710 | def delete_current_notebook(self): | |
707 | """ |
|
711 | """ | |
708 | deletes the current notebook tab |
|
712 | deletes the current notebook tab | |
709 | """ |
|
713 | """ | |
710 | panel = self.GetParent() |
|
714 | panel = self.GetParent() | |
711 | nb = panel.GetParent() |
|
715 | nb = panel.GetParent() | |
712 | current = nb.GetSelection() |
|
716 | current = nb.GetSelection() | |
713 | count = nb.GetPageCount() |
|
717 | count = nb.GetPageCount() | |
714 | if count > 1: |
|
718 | if count > 1: | |
715 | for i in xrange(count-1, current-1, -1): |
|
719 | for i in xrange(count-1, current-1, -1): | |
716 | nb.DeletePage(i) |
|
720 | nb.DeletePage(i) | |
717 | nb.GetCurrentPage().grid.SetFocus() |
|
721 | nb.GetCurrentPage().grid.SetFocus() | |
718 | else: |
|
722 | else: | |
719 | frame = nb.GetParent() |
|
723 | frame = nb.GetParent() | |
720 | frame.SetStatusText("This is the last level!") |
|
724 | frame.SetStatusText("This is the last level!") | |
721 |
|
725 | |||
722 | def _doenter(self, value, *attrs): |
|
726 | def _doenter(self, value, *attrs): | |
723 | """ |
|
727 | """ | |
724 | "enter" a special item resulting in a new notebook tab |
|
728 | "enter" a special item resulting in a new notebook tab | |
725 | """ |
|
729 | """ | |
726 | panel = self.GetParent() |
|
730 | panel = self.GetParent() | |
727 | nb = panel.GetParent() |
|
731 | nb = panel.GetParent() | |
728 | frame = nb.GetParent() |
|
732 | frame = nb.GetParent() | |
729 | current = nb.GetSelection() |
|
733 | current = nb.GetSelection() | |
730 | count = nb.GetPageCount() |
|
734 | count = nb.GetPageCount() | |
731 | try: # if we want to enter something non-iterable, e.g. a function |
|
735 | try: # if we want to enter something non-iterable, e.g. a function | |
732 | if current + 1 == count and value is not self.input: # we have an event in the last tab |
|
736 | if current + 1 == count and value is not self.input: # we have an event in the last tab | |
733 | frame._add_notebook(value, *attrs) |
|
737 | frame._add_notebook(value, *attrs) | |
734 | elif value != self.input: # we have to delete all tabs newer than [panel] first |
|
738 | elif value != self.input: # we have to delete all tabs newer than [panel] first | |
735 | for i in xrange(count-1, current, -1): # some tabs don't close if we don't close in *reverse* order |
|
739 | for i in xrange(count-1, current, -1): # some tabs don't close if we don't close in *reverse* order | |
736 | nb.DeletePage(i) |
|
740 | nb.DeletePage(i) | |
737 | frame._add_notebook(value) |
|
741 | frame._add_notebook(value) | |
738 | except TypeError, exc: |
|
742 | except TypeError, exc: | |
739 | if exc.__class__.__module__ == "exceptions": |
|
743 | if exc.__class__.__module__ == "exceptions": | |
740 | msg = "%s: %s" % (exc.__class__.__name__, exc) |
|
744 | msg = "%s: %s" % (exc.__class__.__name__, exc) | |
741 | else: |
|
745 | else: | |
742 | msg = "%s.%s: %s" % (exc.__class__.__module__, exc.__class__.__name__, exc) |
|
746 | msg = "%s.%s: %s" % (exc.__class__.__module__, exc.__class__.__name__, exc) | |
743 | frame.SetStatusText(msg) |
|
747 | frame.SetStatusText(msg) | |
744 |
|
748 | |||
745 | def enterattr(self, row, col): |
|
749 | def enterattr(self, row, col): | |
746 | try: |
|
750 | try: | |
747 | attr = self.table._displayattrs[col] |
|
751 | attr = self.table._displayattrs[col] | |
748 | value = attr.value(self.table.items[row]) |
|
752 | value = attr.value(self.table.items[row]) | |
749 | except Exception, exc: |
|
753 | except Exception, exc: | |
750 | self.error_output(str(exc)) |
|
754 | self.error_output(str(exc)) | |
751 | else: |
|
755 | else: | |
752 | self._doenter(value) |
|
756 | self._doenter(value) | |
753 |
|
757 | |||
754 | def set_footer(self, item): |
|
758 | def set_footer(self, item): | |
755 | frame = self.GetParent().GetParent().GetParent() |
|
759 | frame = self.GetParent().GetParent().GetParent() | |
756 | frame.SetStatusText(" ".join([str(text) for (style, text) in ipipe.xformat(item, "footer", 20)[2]]), 0) |
|
760 | frame.SetStatusText(" ".join([str(text) for (style, text) in ipipe.xformat(item, "footer", 20)[2]]), 0) | |
757 |
|
761 | |||
758 | def enter(self, row): |
|
762 | def enter(self, row): | |
759 | try: |
|
763 | try: | |
760 | value = self.table.items[row] |
|
764 | value = self.table.items[row] | |
761 | except Exception, exc: |
|
765 | except Exception, exc: | |
762 | self.error_output(str(exc)) |
|
766 | self.error_output(str(exc)) | |
763 | else: |
|
767 | else: | |
764 | self._doenter(value) |
|
768 | self._doenter(value) | |
765 |
|
769 | |||
766 | def detail(self, row, col): |
|
770 | def detail(self, row, col): | |
767 | """ |
|
771 | """ | |
768 | shows a detail-view of the current cell |
|
772 | shows a detail-view of the current cell | |
769 | """ |
|
773 | """ | |
770 | try: |
|
774 | try: | |
771 | attr = self.table._displayattrs[col] |
|
775 | attr = self.table._displayattrs[col] | |
772 | item = self.table.items[row] |
|
776 | item = self.table.items[row] | |
773 | except Exception, exc: |
|
777 | except Exception, exc: | |
774 | self.error_output(str(exc)) |
|
778 | self.error_output(str(exc)) | |
775 | else: |
|
779 | else: | |
776 | attrs = [ipipe.AttributeDetail(item, attr) for attr in ipipe.xattrs(item, "detail")] |
|
780 | attrs = [ipipe.AttributeDetail(item, attr) for attr in ipipe.xattrs(item, "detail")] | |
777 | self._doenter(attrs) |
|
781 | self._doenter(attrs) | |
778 |
|
782 | |||
779 | def detail_attr(self, row, col): |
|
783 | def detail_attr(self, row, col): | |
780 | try: |
|
784 | try: | |
781 | attr = self.table._displayattrs[col] |
|
785 | attr = self.table._displayattrs[col] | |
782 | item = attr.value(self.table.items[row]) |
|
786 | item = attr.value(self.table.items[row]) | |
783 | except Exception, exc: |
|
787 | except Exception, exc: | |
784 | self.error_output(str(exc)) |
|
788 | self.error_output(str(exc)) | |
785 | else: |
|
789 | else: | |
786 | attrs = [ipipe.AttributeDetail(item, attr) for attr in ipipe.xattrs(item, "detail")] |
|
790 | attrs = [ipipe.AttributeDetail(item, attr) for attr in ipipe.xattrs(item, "detail")] | |
787 | self._doenter(attrs) |
|
791 | self._doenter(attrs) | |
788 |
|
792 | |||
789 | def quit(self, result=None): |
|
793 | def quit(self, result=None): | |
790 | """ |
|
794 | """ | |
791 | quit |
|
795 | quit | |
792 | """ |
|
796 | """ | |
793 | frame = self.GetParent().GetParent().GetParent() |
|
797 | frame = self.GetParent().GetParent().GetParent() | |
794 | if frame.helpdialog: |
|
798 | if frame.helpdialog: | |
795 | frame.helpdialog.Destroy() |
|
799 | frame.helpdialog.Destroy() | |
796 | app = frame.parent |
|
800 | app = frame.parent | |
797 | if app is not None: |
|
801 | if app is not None: | |
798 | app.result = result |
|
802 | app.result = result | |
799 | frame.Close() |
|
803 | frame.Close() | |
800 | frame.Destroy() |
|
804 | frame.Destroy() | |
801 |
|
805 | |||
802 | def cell_doubleclicked(self, event): |
|
806 | def cell_doubleclicked(self, event): | |
803 | self.enterattr(event.GetRow(), event.GetCol()) |
|
807 | self.enterattr(event.GetRow(), event.GetCol()) | |
804 | event.Skip() |
|
808 | event.Skip() | |
805 |
|
809 | |||
806 | def cell_leftclicked(self, event): |
|
810 | def cell_leftclicked(self, event): | |
807 | row = event.GetRow() |
|
811 | row = event.GetRow() | |
808 | item = self.table.items[row] |
|
812 | item = self.table.items[row] | |
809 | self.set_footer(item) |
|
813 | self.set_footer(item) | |
810 | event.Skip() |
|
814 | event.Skip() | |
811 |
|
815 | |||
812 | def pick(self, row): |
|
816 | def pick(self, row): | |
813 | """ |
|
817 | """ | |
814 | pick a single row and return to the IPython prompt |
|
818 | pick a single row and return to the IPython prompt | |
815 | """ |
|
819 | """ | |
816 | try: |
|
820 | try: | |
817 | value = self.table.items[row] |
|
821 | value = self.table.items[row] | |
818 | except Exception, exc: |
|
822 | except Exception, exc: | |
819 | self.error_output(str(exc)) |
|
823 | self.error_output(str(exc)) | |
820 | else: |
|
824 | else: | |
821 | self.quit(value) |
|
825 | self.quit(value) | |
822 |
|
826 | |||
823 | def pickinput(self, row): |
|
827 | def pickinput(self, row): | |
824 | try: |
|
828 | try: | |
825 | value = self.table.items[row] |
|
829 | value = self.table.items[row] | |
826 | except Exception, exc: |
|
830 | except Exception, exc: | |
827 | self.error_output(str(exc)) |
|
831 | self.error_output(str(exc)) | |
828 | else: |
|
832 | else: | |
829 | api = ipapi.get() |
|
833 | api = ipapi.get() | |
830 | api.set_next_input(str(value)) |
|
834 | api.set_next_input(str(value)) | |
831 | self.quit(value) |
|
835 | self.quit(value) | |
832 |
|
836 | |||
833 | def pickinputattr(self, row, col): |
|
837 | def pickinputattr(self, row, col): | |
834 | try: |
|
838 | try: | |
835 | attr = self.table._displayattrs[col] |
|
839 | attr = self.table._displayattrs[col] | |
836 | value = attr.value(self.table.items[row]) |
|
840 | value = attr.value(self.table.items[row]) | |
837 | except Exception, exc: |
|
841 | except Exception, exc: | |
838 | self.error_output(str(exc)) |
|
842 | self.error_output(str(exc)) | |
839 | else: |
|
843 | else: | |
840 | api = ipapi.get() |
|
844 | api = ipapi.get() | |
841 | api.set_next_input(str(value)) |
|
845 | api.set_next_input(str(value)) | |
842 | self.quit(value) |
|
846 | self.quit(value) | |
843 |
|
847 | |||
844 | def pickrows(self, rows): |
|
848 | def pickrows(self, rows): | |
845 | """ |
|
849 | """ | |
846 | pick multiple rows and return to the IPython prompt |
|
850 | pick multiple rows and return to the IPython prompt | |
847 | """ |
|
851 | """ | |
848 | try: |
|
852 | try: | |
849 | value = [self.table.items[row] for row in rows] |
|
853 | value = [self.table.items[row] for row in rows] | |
850 | except Exception, exc: |
|
854 | except Exception, exc: | |
851 | self.error_output(str(exc)) |
|
855 | self.error_output(str(exc)) | |
852 | else: |
|
856 | else: | |
853 | self.quit(value) |
|
857 | self.quit(value) | |
854 |
|
858 | |||
855 | def pickrowsattr(self, rows, col): |
|
859 | def pickrowsattr(self, rows, col): | |
856 | """" |
|
860 | """" | |
857 | pick one column from multiple rows |
|
861 | pick one column from multiple rows | |
858 | """ |
|
862 | """ | |
859 | values = [] |
|
863 | values = [] | |
860 | try: |
|
864 | try: | |
861 | attr = self.table._displayattrs[col] |
|
865 | attr = self.table._displayattrs[col] | |
862 | for row in rows: |
|
866 | for row in rows: | |
863 | try: |
|
867 | try: | |
864 | values.append(attr.value(self.table.items[row])) |
|
868 | values.append(attr.value(self.table.items[row])) | |
865 | except (SystemExit, KeyboardInterrupt): |
|
869 | except (SystemExit, KeyboardInterrupt): | |
866 | raise |
|
870 | raise | |
867 | except Exception: |
|
871 | except Exception: | |
868 | raise #pass |
|
872 | raise #pass | |
869 | except Exception, exc: |
|
873 | except Exception, exc: | |
870 | self.error_output(str(exc)) |
|
874 | self.error_output(str(exc)) | |
871 | else: |
|
875 | else: | |
872 | self.quit(values) |
|
876 | self.quit(values) | |
873 |
|
877 | |||
874 | def pickattr(self, row, col): |
|
878 | def pickattr(self, row, col): | |
875 | try: |
|
879 | try: | |
876 | attr = self.table._displayattrs[col] |
|
880 | attr = self.table._displayattrs[col] | |
877 | value = attr.value(self.table.items[row]) |
|
881 | value = attr.value(self.table.items[row]) | |
878 | except Exception, exc: |
|
882 | except Exception, exc: | |
879 | self.error_output(str(exc)) |
|
883 | self.error_output(str(exc)) | |
880 | else: |
|
884 | else: | |
881 | self.quit(value) |
|
885 | self.quit(value) | |
882 |
|
886 | |||
883 |
|
887 | |||
884 | class IGridPanel(wx.Panel): |
|
888 | class IGridPanel(wx.Panel): | |
885 | # Each IGridPanel contains an IGridGrid |
|
889 | # Each IGridPanel contains an IGridGrid | |
886 | def __init__(self, parent, input, *attrs): |
|
890 | def __init__(self, parent, input, *attrs): | |
887 | wx.Panel.__init__(self, parent, -1) |
|
891 | wx.Panel.__init__(self, parent, -1) | |
888 | self.grid = IGridGrid(self, input, *attrs) |
|
892 | self.grid = IGridGrid(self, input, *attrs) | |
889 | self.grid.FitInside() |
|
893 | self.grid.FitInside() | |
890 | sizer = wx.BoxSizer(wx.VERTICAL) |
|
894 | sizer = wx.BoxSizer(wx.VERTICAL) | |
891 | sizer.Add(self.grid, proportion=1, flag=wx.EXPAND | wx.ALL, border=10) |
|
895 | sizer.Add(self.grid, proportion=1, flag=wx.EXPAND | wx.ALL, border=10) | |
892 | self.SetSizer(sizer) |
|
896 | self.SetSizer(sizer) | |
893 | sizer.Fit(self) |
|
897 | sizer.Fit(self) | |
894 | sizer.SetSizeHints(self) |
|
898 | sizer.SetSizeHints(self) | |
895 |
|
899 | |||
896 |
|
900 | |||
897 | class IGridHTMLHelp(wx.Frame): |
|
901 | class IGridHTMLHelp(wx.Frame): | |
898 | def __init__(self, parent, title, size): |
|
902 | def __init__(self, parent, title, size): | |
899 | wx.Frame.__init__(self, parent, -1, title, size=size) |
|
903 | wx.Frame.__init__(self, parent, -1, title, size=size) | |
900 | html = wx.html.HtmlWindow(self) |
|
904 | html = wx.html.HtmlWindow(self) | |
901 | if "gtk2" in wx.PlatformInfo: |
|
905 | if "gtk2" in wx.PlatformInfo: | |
902 | html.SetStandardFonts() |
|
906 | html.SetStandardFonts() | |
903 | html.SetPage(help) |
|
907 | html.SetPage(help) | |
904 |
|
908 | |||
905 |
|
909 | |||
906 | class IGridFrame(wx.Frame): |
|
910 | class IGridFrame(wx.Frame): | |
907 | maxtitlelen = 30 |
|
911 | maxtitlelen = 30 | |
908 |
|
912 | |||
909 | def __init__(self, parent, input): |
|
913 | def __init__(self, parent, input): | |
910 | title = " ".join([str(text) for (style, text) in ipipe.xformat(input, "header", 20)[2]]) |
|
914 | title = " ".join([str(text) for (style, text) in ipipe.xformat(input, "header", 20)[2]]) | |
911 | wx.Frame.__init__(self, None, title=title, size=(640, 480)) |
|
915 | wx.Frame.__init__(self, None, title=title, size=(640, 480)) | |
912 | self.menubar = wx.MenuBar() |
|
916 | self.menubar = wx.MenuBar() | |
913 | self.menucounter = 100 |
|
917 | self.menucounter = 100 | |
914 | self.m_help = wx.Menu() |
|
918 | self.m_help = wx.Menu() | |
915 | self.m_search = wx.Menu() |
|
919 | self.m_search = wx.Menu() | |
916 | self.m_sort = wx.Menu() |
|
920 | self.m_sort = wx.Menu() | |
917 | self.m_refresh = wx.Menu() |
|
921 | self.m_refresh = wx.Menu() | |
918 | self.notebook = wx.Notebook(self, -1, style=0) |
|
922 | self.notebook = wx.Notebook(self, -1, style=0) | |
919 | self.statusbar = self.CreateStatusBar(1, wx.ST_SIZEGRIP) |
|
923 | self.statusbar = self.CreateStatusBar(1, wx.ST_SIZEGRIP) | |
920 | self.statusbar.SetFieldsCount(2) |
|
924 | self.statusbar.SetFieldsCount(2) | |
921 | self.SetStatusWidths([-1, 200]) |
|
925 | self.SetStatusWidths([-1, 200]) | |
922 | self.parent = parent |
|
926 | self.parent = parent | |
923 | self._add_notebook(input) |
|
927 | self._add_notebook(input) | |
924 | self.Bind(wx.EVT_CLOSE, self.OnCloseWindow) |
|
928 | self.Bind(wx.EVT_CLOSE, self.OnCloseWindow) | |
925 | self.makemenu(self.m_sort, "&Sort (asc)\tV", "Sort ascending", self.sortasc) |
|
929 | self.makemenu(self.m_sort, "&Sort (asc)\tV", "Sort ascending", self.sortasc) | |
926 | self.makemenu(self.m_sort, "Sort (&desc)\tShift-V", "Sort descending", self.sortdesc) |
|
930 | self.makemenu(self.m_sort, "Sort (&desc)\tShift-V", "Sort descending", self.sortdesc) | |
927 | self.makemenu(self.m_help, "&Help\tF1", "Help", self.display_help) |
|
931 | self.makemenu(self.m_help, "&Help\tF1", "Help", self.display_help) | |
928 | # self.makemenu(self.m_help, "&Show help in browser", "Show help in browser", self.display_help_in_browser) |
|
932 | # self.makemenu(self.m_help, "&Show help in browser", "Show help in browser", self.display_help_in_browser) | |
929 | self.makemenu(self.m_search, "&Find text\tCTRL-F", "Find text", self.enter_searchtext) |
|
933 | self.makemenu(self.m_search, "&Find text\tCTRL-F", "Find text", self.enter_searchtext) | |
930 | self.makemenu(self.m_search, "Find by &expression\tCTRL-Shift-F", "Find by expression", self.enter_searchexpression) |
|
934 | self.makemenu(self.m_search, "Find by &expression\tCTRL-Shift-F", "Find by expression", self.enter_searchexpression) | |
931 | self.makemenu(self.m_search, "Find &next\tF3", "Find next", self.find_next) |
|
935 | self.makemenu(self.m_search, "Find &next\tF3", "Find next", self.find_next) | |
932 | self.makemenu(self.m_search, "Find &previous\tShift-F3", "Find previous", self.find_previous) |
|
936 | self.makemenu(self.m_search, "Find &previous\tShift-F3", "Find previous", self.find_previous) | |
933 | self.makemenu(self.m_refresh, "&Refresh once \tF5", "Refresh once", self.refresh_once) |
|
937 | self.makemenu(self.m_refresh, "&Refresh once \tF5", "Refresh once", self.refresh_once) | |
934 | self.makemenu(self.m_refresh, "Refresh every &1s", "Refresh every second", self.refresh_every_second) |
|
938 | self.makemenu(self.m_refresh, "Refresh every &1s", "Refresh every second", self.refresh_every_second) | |
935 | self.makemenu(self.m_refresh, "Refresh every &X seconds", "Refresh every X seconds", self.refresh_interval) |
|
939 | self.makemenu(self.m_refresh, "Refresh every &X seconds", "Refresh every X seconds", self.refresh_interval) | |
936 | self.makemenu(self.m_refresh, "&Stop all refresh timers", "Stop refresh timers", self.stop_refresh) |
|
940 | self.makemenu(self.m_refresh, "&Stop all refresh timers", "Stop refresh timers", self.stop_refresh) | |
937 | self.menubar.Append(self.m_search, "&Find") |
|
941 | self.menubar.Append(self.m_search, "&Find") | |
938 | self.menubar.Append(self.m_sort, "&Sort") |
|
942 | self.menubar.Append(self.m_sort, "&Sort") | |
939 | self.menubar.Append(self.m_refresh, "&Refresh") |
|
943 | self.menubar.Append(self.m_refresh, "&Refresh") | |
940 | self.menubar.Append(self.m_help, "&Help") |
|
944 | self.menubar.Append(self.m_help, "&Help") | |
941 | self.SetMenuBar(self.menubar) |
|
945 | self.SetMenuBar(self.menubar) | |
942 | self.searchtext = "" |
|
946 | self.searchtext = "" | |
943 | self.searchexpression = "" |
|
947 | self.searchexpression = "" | |
944 | self.helpdialog = None |
|
948 | self.helpdialog = None | |
945 | self.refresh_interval = 1000 |
|
949 | self.refresh_interval = 1000 | |
946 | self.SetStatusText("Refreshing inactive", 1) |
|
950 | self.SetStatusText("Refreshing inactive", 1) | |
947 |
|
951 | |||
948 | def refresh_once(self, event): |
|
952 | def refresh_once(self, event): | |
949 | table = self.notebook.GetPage(self.notebook.GetSelection()).grid.table |
|
953 | table = self.notebook.GetPage(self.notebook.GetSelection()).grid.table | |
950 | table.refresh_content(event) |
|
954 | table.refresh_content(event) | |
951 |
|
955 | |||
952 | def refresh_interval(self, event): |
|
956 | def refresh_interval(self, event): | |
953 | table = self.notebook.GetPage(self.notebook.GetSelection()).grid.table |
|
957 | table = self.notebook.GetPage(self.notebook.GetSelection()).grid.table | |
954 | dlg = wx.TextEntryDialog(self, "Enter refresh interval (milliseconds):", "Refresh timer:", defaultValue=str(self.refresh_interval)) |
|
958 | dlg = wx.TextEntryDialog(self, "Enter refresh interval (milliseconds):", "Refresh timer:", defaultValue=str(self.refresh_interval)) | |
955 | if dlg.ShowModal() == wx.ID_OK: |
|
959 | if dlg.ShowModal() == wx.ID_OK: | |
956 | try: |
|
960 | try: | |
957 | milliseconds = int(dlg.GetValue()) |
|
961 | milliseconds = int(dlg.GetValue()) | |
958 | except ValueError, exc: |
|
962 | except ValueError, exc: | |
959 | self.SetStatusText(str(exc)) |
|
963 | self.SetStatusText(str(exc)) | |
960 | else: |
|
964 | else: | |
961 | table.timer.Start(milliseconds=milliseconds, oneShot=False) |
|
965 | table.timer.Start(milliseconds=milliseconds, oneShot=False) | |
962 | self.SetStatusText("Refresh timer set to %s ms" % milliseconds) |
|
966 | self.SetStatusText("Refresh timer set to %s ms" % milliseconds) | |
963 | self.SetStatusText("Refresh interval: %s ms" % milliseconds, 1) |
|
967 | self.SetStatusText("Refresh interval: %s ms" % milliseconds, 1) | |
964 | self.refresh_interval = milliseconds |
|
968 | self.refresh_interval = milliseconds | |
965 | dlg.Destroy() |
|
969 | dlg.Destroy() | |
966 |
|
970 | |||
967 | def stop_refresh(self, event): |
|
971 | def stop_refresh(self, event): | |
968 | for i in xrange(self.notebook.GetPageCount()): |
|
972 | for i in xrange(self.notebook.GetPageCount()): | |
969 | nb = self.notebook.GetPage(i) |
|
973 | nb = self.notebook.GetPage(i) | |
970 | nb.grid.table.timer.Stop() |
|
974 | nb.grid.table.timer.Stop() | |
971 | self.SetStatusText("Refreshing inactive", 1) |
|
975 | self.SetStatusText("Refreshing inactive", 1) | |
972 |
|
976 | |||
973 | def refresh_every_second(self, event): |
|
977 | def refresh_every_second(self, event): | |
974 | table = self.notebook.GetPage(self.notebook.GetSelection()).grid.table |
|
978 | table = self.notebook.GetPage(self.notebook.GetSelection()).grid.table | |
975 | table.timer.Start(milliseconds=1000, oneShot=False) |
|
979 | table.timer.Start(milliseconds=1000, oneShot=False) | |
976 | self.SetStatusText("Refresh interval: 1000 ms", 1) |
|
980 | self.SetStatusText("Refresh interval: 1000 ms", 1) | |
977 |
|
981 | |||
978 | def sortasc(self, event): |
|
982 | def sortasc(self, event): | |
979 | grid = self.notebook.GetPage(self.notebook.GetSelection()).grid |
|
983 | grid = self.notebook.GetPage(self.notebook.GetSelection()).grid | |
980 | grid.sortattrasc() |
|
984 | grid.sortattrasc() | |
981 |
|
985 | |||
982 | def sortdesc(self, event): |
|
986 | def sortdesc(self, event): | |
983 | grid = self.notebook.GetPage(self.notebook.GetSelection()).grid |
|
987 | grid = self.notebook.GetPage(self.notebook.GetSelection()).grid | |
984 | grid.sortattrdesc() |
|
988 | grid.sortattrdesc() | |
985 |
|
989 | |||
986 | def find_previous(self, event): |
|
990 | def find_previous(self, event): | |
987 | """ |
|
991 | """ | |
988 | find previous occurrences |
|
992 | find previous occurrences | |
989 | """ |
|
993 | """ | |
990 | grid = self.notebook.GetPage(self.notebook.GetSelection()).grid |
|
994 | grid = self.notebook.GetPage(self.notebook.GetSelection()).grid | |
991 | if self.searchtext: |
|
995 | if self.searchtext: | |
992 | row = grid.GetGridCursorRow() |
|
996 | row = grid.GetGridCursorRow() | |
993 | col = grid.GetGridCursorCol() |
|
997 | col = grid.GetGridCursorCol() | |
994 | self.SetStatusText('Search mode: text; looking for %s' % self.searchtext) |
|
998 | self.SetStatusText('Search mode: text; looking for %s' % self.searchtext) | |
995 | if col-1 >= 0: |
|
999 | if col-1 >= 0: | |
996 | grid.search(self.searchtext, row, col-1, False) |
|
1000 | grid.search(self.searchtext, row, col-1, False) | |
997 | else: |
|
1001 | else: | |
998 | grid.search(self.searchtext, row-1, grid.table.GetNumberCols()-1, False) |
|
1002 | grid.search(self.searchtext, row-1, grid.table.GetNumberCols()-1, False) | |
999 | elif self.searchexpression: |
|
1003 | elif self.searchexpression: | |
1000 | self.SetStatusText("Search mode: expression; looking for %s" % repr(self.searchexpression)[2:-1]) |
|
1004 | self.SetStatusText("Search mode: expression; looking for %s" % repr(self.searchexpression)[2:-1]) | |
1001 | grid.searchexpression(searchexp=self.searchexpression, search_forward=False) |
|
1005 | grid.searchexpression(searchexp=self.searchexpression, search_forward=False) | |
1002 | else: |
|
1006 | else: | |
1003 | self.SetStatusText("No search yet: please enter search-text or -expression") |
|
1007 | self.SetStatusText("No search yet: please enter search-text or -expression") | |
1004 |
|
1008 | |||
1005 | def find_next(self, event): |
|
1009 | def find_next(self, event): | |
1006 | """ |
|
1010 | """ | |
1007 | find the next occurrence |
|
1011 | find the next occurrence | |
1008 | """ |
|
1012 | """ | |
1009 | grid = self.notebook.GetPage(self.notebook.GetSelection()).grid |
|
1013 | grid = self.notebook.GetPage(self.notebook.GetSelection()).grid | |
1010 | if self.searchtext != "": |
|
1014 | if self.searchtext != "": | |
1011 | row = grid.GetGridCursorRow() |
|
1015 | row = grid.GetGridCursorRow() | |
1012 | col = grid.GetGridCursorCol() |
|
1016 | col = grid.GetGridCursorCol() | |
1013 | self.SetStatusText('Search mode: text; looking for %s' % self.searchtext) |
|
1017 | self.SetStatusText('Search mode: text; looking for %s' % self.searchtext) | |
1014 | if col+1 < grid.table.GetNumberCols(): |
|
1018 | if col+1 < grid.table.GetNumberCols(): | |
1015 | grid.search(self.searchtext, row, col+1) |
|
1019 | grid.search(self.searchtext, row, col+1) | |
1016 | else: |
|
1020 | else: | |
1017 | grid.search(self.searchtext, row+1, 0) |
|
1021 | grid.search(self.searchtext, row+1, 0) | |
1018 | elif self.searchexpression != "": |
|
1022 | elif self.searchexpression != "": | |
1019 | self.SetStatusText('Search mode: expression; looking for %s' % repr(self.searchexpression)[2:-1]) |
|
1023 | self.SetStatusText('Search mode: expression; looking for %s' % repr(self.searchexpression)[2:-1]) | |
1020 | grid.searchexpression(searchexp=self.searchexpression) |
|
1024 | grid.searchexpression(searchexp=self.searchexpression) | |
1021 | else: |
|
1025 | else: | |
1022 | self.SetStatusText("No search yet: please enter search-text or -expression") |
|
1026 | self.SetStatusText("No search yet: please enter search-text or -expression") | |
1023 |
|
1027 | |||
1024 | def display_help(self, event): |
|
1028 | def display_help(self, event): | |
1025 | """ |
|
1029 | """ | |
1026 | Display a help dialog |
|
1030 | Display a help dialog | |
1027 | """ |
|
1031 | """ | |
1028 | if self.helpdialog: |
|
1032 | if self.helpdialog: | |
1029 | self.helpdialog.Destroy() |
|
1033 | self.helpdialog.Destroy() | |
1030 | self.helpdialog = IGridHTMLHelp(None, title="Help", size=wx.Size(600,400)) |
|
1034 | self.helpdialog = IGridHTMLHelp(None, title="Help", size=wx.Size(600,400)) | |
1031 | self.helpdialog.Show() |
|
1035 | self.helpdialog.Show() | |
1032 |
|
1036 | |||
1033 | def display_help_in_browser(self, event): |
|
1037 | def display_help_in_browser(self, event): | |
1034 | """ |
|
1038 | """ | |
1035 | Show the help-HTML in a browser (as a ``HtmlWindow`` does not understand |
|
1039 | Show the help-HTML in a browser (as a ``HtmlWindow`` does not understand | |
1036 | CSS this looks better) |
|
1040 | CSS this looks better) | |
1037 | """ |
|
1041 | """ | |
1038 | filename = urllib.pathname2url(os.path.abspath(os.path.join(os.path.dirname(__file__), "igrid_help.html"))) |
|
1042 | filename = urllib.pathname2url(os.path.abspath(os.path.join(os.path.dirname(__file__), "igrid_help.html"))) | |
1039 | if not filename.startswith("file"): |
|
1043 | if not filename.startswith("file"): | |
1040 | filename = "file:" + filename |
|
1044 | filename = "file:" + filename | |
1041 | webbrowser.open(filename, new=1, autoraise=True) |
|
1045 | webbrowser.open(filename, new=1, autoraise=True) | |
1042 |
|
1046 | |||
1043 | def enter_searchexpression(self, event): |
|
1047 | def enter_searchexpression(self, event): | |
1044 | dlg = wx.TextEntryDialog(self, "Find:", "Find matching expression:", defaultValue=self.searchexpression) |
|
1048 | dlg = wx.TextEntryDialog(self, "Find:", "Find matching expression:", defaultValue=self.searchexpression) | |
1045 | if dlg.ShowModal() == wx.ID_OK: |
|
1049 | if dlg.ShowModal() == wx.ID_OK: | |
1046 | self.searchexpression = dlg.GetValue() |
|
1050 | self.searchexpression = dlg.GetValue() | |
1047 | self.searchtext = "" |
|
1051 | self.searchtext = "" | |
1048 | self.SetStatusText('Search mode: expression; looking for %s' % repr(self.searchexpression)[2:-1]) |
|
1052 | self.SetStatusText('Search mode: expression; looking for %s' % repr(self.searchexpression)[2:-1]) | |
1049 | self.notebook.GetPage(self.notebook.GetSelection()).grid.searchexpression(self.searchexpression) |
|
1053 | self.notebook.GetPage(self.notebook.GetSelection()).grid.searchexpression(self.searchexpression) | |
1050 | dlg.Destroy() |
|
1054 | dlg.Destroy() | |
1051 |
|
1055 | |||
1052 | def makemenu(self, menu, label, help, cmd): |
|
1056 | def makemenu(self, menu, label, help, cmd): | |
1053 | menu.Append(self.menucounter, label, help) |
|
1057 | menu.Append(self.menucounter, label, help) | |
1054 | self.Bind(wx.EVT_MENU, cmd, id=self.menucounter) |
|
1058 | self.Bind(wx.EVT_MENU, cmd, id=self.menucounter) | |
1055 | self.menucounter += 1 |
|
1059 | self.menucounter += 1 | |
1056 |
|
1060 | |||
1057 | def _add_notebook(self, input, *attrs): |
|
1061 | def _add_notebook(self, input, *attrs): | |
1058 | # Adds another notebook which has the starting object ``input`` |
|
1062 | # Adds another notebook which has the starting object ``input`` | |
1059 | panel = IGridPanel(self.notebook, input, *attrs) |
|
1063 | panel = IGridPanel(self.notebook, input, *attrs) | |
1060 | text = str(ipipe.xformat(input, "header", self.maxtitlelen)[2]) |
|
1064 | text = str(ipipe.xformat(input, "header", self.maxtitlelen)[2]) | |
1061 | if len(text) >= self.maxtitlelen: |
|
1065 | if len(text) >= self.maxtitlelen: | |
1062 | text = text[:self.maxtitlelen].rstrip(".") + "..." |
|
1066 | text = text[:self.maxtitlelen].rstrip(".") + "..." | |
1063 | self.notebook.AddPage(panel, text, True) |
|
1067 | self.notebook.AddPage(panel, text, True) | |
1064 | panel.grid.SetFocus() |
|
1068 | panel.grid.SetFocus() | |
1065 | self.Layout() |
|
1069 | self.Layout() | |
1066 |
|
1070 | |||
1067 | def OnCloseWindow(self, event): |
|
1071 | def OnCloseWindow(self, event): | |
1068 | self.Destroy() |
|
1072 | self.Destroy() | |
1069 |
|
1073 | |||
1070 | def enter_searchtext(self, event): |
|
1074 | def enter_searchtext(self, event): | |
1071 | # Displays a dialog asking for the searchtext |
|
1075 | # Displays a dialog asking for the searchtext | |
1072 | dlg = wx.TextEntryDialog(self, "Find:", "Find in list", defaultValue=self.searchtext) |
|
1076 | dlg = wx.TextEntryDialog(self, "Find:", "Find in list", defaultValue=self.searchtext) | |
1073 | if dlg.ShowModal() == wx.ID_OK: |
|
1077 | if dlg.ShowModal() == wx.ID_OK: | |
1074 | self.searchtext = dlg.GetValue() |
|
1078 | self.searchtext = dlg.GetValue() | |
1075 | self.searchexpression = "" |
|
1079 | self.searchexpression = "" | |
1076 | self.SetStatusText('Search mode: text; looking for %s' % self.searchtext) |
|
1080 | self.SetStatusText('Search mode: text; looking for %s' % self.searchtext) | |
1077 | self.notebook.GetPage(self.notebook.GetSelection()).grid.search(self.searchtext) |
|
1081 | self.notebook.GetPage(self.notebook.GetSelection()).grid.search(self.searchtext) | |
1078 | dlg.Destroy() |
|
1082 | dlg.Destroy() | |
1079 |
|
1083 | |||
1080 |
|
1084 | |||
1081 | class App(wx.App): |
|
1085 | class App(wx.App): | |
1082 | def __init__(self, input): |
|
1086 | def __init__(self, input): | |
1083 | self.input = input |
|
1087 | self.input = input | |
1084 | self.result = None # Result to be returned to IPython. Set by quit(). |
|
1088 | self.result = None # Result to be returned to IPython. Set by quit(). | |
1085 | wx.App.__init__(self) |
|
1089 | wx.App.__init__(self) | |
1086 |
|
1090 | |||
1087 | def OnInit(self): |
|
1091 | def OnInit(self): | |
1088 | frame = IGridFrame(self, self.input) |
|
1092 | frame = IGridFrame(self, self.input) | |
1089 | frame.Show() |
|
1093 | frame.Show() | |
1090 | self.SetTopWindow(frame) |
|
1094 | self.SetTopWindow(frame) | |
1091 | frame.Raise() |
|
1095 | frame.Raise() | |
1092 | return True |
|
1096 | return True | |
1093 |
|
1097 | |||
1094 |
|
1098 | |||
1095 | class igrid(ipipe.Display): |
|
1099 | class igrid(ipipe.Display): | |
1096 | """ |
|
1100 | """ | |
1097 | This is a wx-based display object that can be used instead of ``ibrowse`` |
|
1101 | This is a wx-based display object that can be used instead of ``ibrowse`` | |
1098 | (which is curses-based) or ``idump`` (which simply does a print). |
|
1102 | (which is curses-based) or ``idump`` (which simply does a print). | |
1099 | """ |
|
1103 | """ | |
1100 | if wx.VERSION < (2, 7): |
|
1104 | if wx.VERSION < (2, 7): | |
1101 | def display(self): |
|
1105 | def display(self): | |
1102 | try: |
|
1106 | try: | |
1103 | # Try to create a "standalone" from. If this works we're probably |
|
1107 | # Try to create a "standalone" from. If this works we're probably | |
1104 | # running with -wthread. |
|
1108 | # running with -wthread. | |
1105 | # Note that this sets the parent of the frame to None, but we can't |
|
1109 | # Note that this sets the parent of the frame to None, but we can't | |
1106 | # pass a result object back to the shell anyway. |
|
1110 | # pass a result object back to the shell anyway. | |
1107 | frame = IGridFrame(None, self.input) |
|
1111 | frame = IGridFrame(None, self.input) | |
1108 | frame.Show() |
|
1112 | frame.Show() | |
1109 | frame.Raise() |
|
1113 | frame.Raise() | |
1110 | except wx.PyNoAppError: |
|
1114 | except wx.PyNoAppError: | |
1111 | # There's no wx application yet => create one. |
|
1115 | # There's no wx application yet => create one. | |
1112 | app = App(self.input) |
|
1116 | app = App(self.input) | |
1113 | app.MainLoop() |
|
1117 | app.MainLoop() | |
1114 | return app.result |
|
1118 | return app.result | |
1115 | else: |
|
1119 | else: | |
1116 | # With wx 2.7 it gets simpler. |
|
1120 | # With wx 2.7 it gets simpler. | |
1117 | def display(self): |
|
1121 | def display(self): | |
1118 | app = App(self.input) |
|
1122 | app = App(self.input) | |
1119 | app.MainLoop() |
|
1123 | app.MainLoop() | |
1120 | return app.result |
|
1124 | return app.result | |
1121 |
|
1125 |
@@ -1,352 +1,357 b'' | |||||
1 | #!/usr/bin/env python |
|
1 | #!/usr/bin/env python | |
2 |
|
2 | |||
3 | """ Implementations for various useful completers |
|
3 | """ Implementations for various useful completers | |
4 |
|
4 | |||
5 | See Extensions/ipy_stock_completers.py on examples of how to enable a completer, |
|
5 | See Extensions/ipy_stock_completers.py on examples of how to enable a completer, | |
6 | but the basic idea is to do: |
|
6 | but the basic idea is to do: | |
7 |
|
7 | |||
8 | ip.set_hook('complete_command', svn_completer, str_key = 'svn') |
|
8 | ip.set_hook('complete_command', svn_completer, str_key = 'svn') | |
9 |
|
9 | |||
10 | """ |
|
10 | """ | |
11 | import IPython.ipapi |
|
11 | import IPython.ipapi | |
12 | import glob,os,shlex,sys |
|
12 | import glob,os,shlex,sys | |
13 | import inspect |
|
13 | import inspect | |
14 | from time import time |
|
14 | from time import time | |
15 | ip = IPython.ipapi.get() |
|
15 | ip = IPython.ipapi.get() | |
16 |
|
16 | |||
|
17 | try: | |||
|
18 | set | |||
|
19 | except: | |||
|
20 | from sets import Set as set | |||
|
21 | ||||
17 | TIMEOUT_STORAGE = 3 #Time in seconds after which the rootmodules will be stored |
|
22 | TIMEOUT_STORAGE = 3 #Time in seconds after which the rootmodules will be stored | |
18 | TIMEOUT_GIVEUP = 20 #Time in seconds after which we give up |
|
23 | TIMEOUT_GIVEUP = 20 #Time in seconds after which we give up | |
19 |
|
24 | |||
20 | def quick_completer(cmd, completions): |
|
25 | def quick_completer(cmd, completions): | |
21 | """ Easily create a trivial completer for a command. |
|
26 | """ Easily create a trivial completer for a command. | |
22 |
|
27 | |||
23 | Takes either a list of completions, or all completions in string |
|
28 | Takes either a list of completions, or all completions in string | |
24 | (that will be split on whitespace) |
|
29 | (that will be split on whitespace) | |
25 |
|
30 | |||
26 | Example:: |
|
31 | Example:: | |
27 |
|
32 | |||
28 | [d:\ipython]|1> import ipy_completers |
|
33 | [d:\ipython]|1> import ipy_completers | |
29 | [d:\ipython]|2> ipy_completers.quick_completer('foo', ['bar','baz']) |
|
34 | [d:\ipython]|2> ipy_completers.quick_completer('foo', ['bar','baz']) | |
30 | [d:\ipython]|3> foo b<TAB> |
|
35 | [d:\ipython]|3> foo b<TAB> | |
31 | bar baz |
|
36 | bar baz | |
32 | [d:\ipython]|3> foo ba |
|
37 | [d:\ipython]|3> foo ba | |
33 | """ |
|
38 | """ | |
34 | if isinstance(completions, basestring): |
|
39 | if isinstance(completions, basestring): | |
35 |
|
40 | |||
36 | completions = completions.split() |
|
41 | completions = completions.split() | |
37 | def do_complete(self,event): |
|
42 | def do_complete(self,event): | |
38 | return completions |
|
43 | return completions | |
39 |
|
44 | |||
40 | ip.set_hook('complete_command',do_complete, str_key = cmd) |
|
45 | ip.set_hook('complete_command',do_complete, str_key = cmd) | |
41 |
|
46 | |||
42 | def getRootModules(): |
|
47 | def getRootModules(): | |
43 | """ |
|
48 | """ | |
44 | Returns a list containing the names of all the modules available in the |
|
49 | Returns a list containing the names of all the modules available in the | |
45 | folders of the pythonpath. |
|
50 | folders of the pythonpath. | |
46 | """ |
|
51 | """ | |
47 | modules = [] |
|
52 | modules = [] | |
48 | if ip.db.has_key('rootmodules'): |
|
53 | if ip.db.has_key('rootmodules'): | |
49 | return ip.db['rootmodules'] |
|
54 | return ip.db['rootmodules'] | |
50 | t = time() |
|
55 | t = time() | |
51 | store = False |
|
56 | store = False | |
52 | for path in sys.path: |
|
57 | for path in sys.path: | |
53 | modules += moduleList(path) |
|
58 | modules += moduleList(path) | |
54 | if time() - t >= TIMEOUT_STORAGE and not store: |
|
59 | if time() - t >= TIMEOUT_STORAGE and not store: | |
55 | store = True |
|
60 | store = True | |
56 | print "\nCaching the list of root modules, please wait!" |
|
61 | print "\nCaching the list of root modules, please wait!" | |
57 | print "(This will only be done once - type '%rehashx' to " + \ |
|
62 | print "(This will only be done once - type '%rehashx' to " + \ | |
58 | "reset cache!)" |
|
63 | "reset cache!)" | |
59 |
|
64 | |||
60 | if time() - t > TIMEOUT_GIVEUP: |
|
65 | if time() - t > TIMEOUT_GIVEUP: | |
61 | print "This is taking too long, we give up." |
|
66 | print "This is taking too long, we give up." | |
62 |
|
67 | |||
63 | ip.db['rootmodules'] = [] |
|
68 | ip.db['rootmodules'] = [] | |
64 | return [] |
|
69 | return [] | |
65 |
|
70 | |||
66 | modules += sys.builtin_module_names |
|
71 | modules += sys.builtin_module_names | |
67 |
|
72 | |||
68 | modules = list(set(modules)) |
|
73 | modules = list(set(modules)) | |
69 | if '__init__' in modules: |
|
74 | if '__init__' in modules: | |
70 | modules.remove('__init__') |
|
75 | modules.remove('__init__') | |
71 | modules = list(set(modules)) |
|
76 | modules = list(set(modules)) | |
72 | if store: |
|
77 | if store: | |
73 | ip.db['rootmodules'] = modules |
|
78 | ip.db['rootmodules'] = modules | |
74 | return modules |
|
79 | return modules | |
75 |
|
80 | |||
76 | def moduleList(path): |
|
81 | def moduleList(path): | |
77 | """ |
|
82 | """ | |
78 | Return the list containing the names of the modules available in the given |
|
83 | Return the list containing the names of the modules available in the given | |
79 | folder. |
|
84 | folder. | |
80 | """ |
|
85 | """ | |
81 |
|
86 | |||
82 | if os.path.isdir(path): |
|
87 | if os.path.isdir(path): | |
83 | folder_list = os.listdir(path) |
|
88 | folder_list = os.listdir(path) | |
84 | else: |
|
89 | else: | |
85 | folder_list = [] |
|
90 | folder_list = [] | |
86 | #folder_list = glob.glob(os.path.join(path,'*')) |
|
91 | #folder_list = glob.glob(os.path.join(path,'*')) | |
87 | folder_list = [p for p in folder_list \ |
|
92 | folder_list = [p for p in folder_list \ | |
88 | if os.path.exists(os.path.join(path, p,'__init__.py'))\ |
|
93 | if os.path.exists(os.path.join(path, p,'__init__.py'))\ | |
89 | or p[-3:] in ('.py','.so')\ |
|
94 | or p[-3:] in ('.py','.so')\ | |
90 | or p[-4:] in ('.pyc','.pyo')] |
|
95 | or p[-4:] in ('.pyc','.pyo')] | |
91 |
|
96 | |||
92 | folder_list = [os.path.basename(p).split('.')[0] for p in folder_list] |
|
97 | folder_list = [os.path.basename(p).split('.')[0] for p in folder_list] | |
93 | return folder_list |
|
98 | return folder_list | |
94 |
|
99 | |||
95 | def moduleCompletion(line): |
|
100 | def moduleCompletion(line): | |
96 | """ |
|
101 | """ | |
97 | Returns a list containing the completion possibilities for an import line. |
|
102 | Returns a list containing the completion possibilities for an import line. | |
98 | The line looks like this : |
|
103 | The line looks like this : | |
99 | 'import xml.d' |
|
104 | 'import xml.d' | |
100 | 'from xml.dom import' |
|
105 | 'from xml.dom import' | |
101 | """ |
|
106 | """ | |
102 | def tryImport(mod, only_modules=False): |
|
107 | def tryImport(mod, only_modules=False): | |
103 | def isImportable(module, attr): |
|
108 | def isImportable(module, attr): | |
104 | if only_modules: |
|
109 | if only_modules: | |
105 | return inspect.ismodule(getattr(module, attr)) |
|
110 | return inspect.ismodule(getattr(module, attr)) | |
106 | else: |
|
111 | else: | |
107 | return not(attr[:2] == '__' and attr[-2:] == '__') |
|
112 | return not(attr[:2] == '__' and attr[-2:] == '__') | |
108 | try: |
|
113 | try: | |
109 | m = __import__(mod) |
|
114 | m = __import__(mod) | |
110 | except: |
|
115 | except: | |
111 | return [] |
|
116 | return [] | |
112 | mods = mod.split('.') |
|
117 | mods = mod.split('.') | |
113 | for module in mods[1:]: |
|
118 | for module in mods[1:]: | |
114 | m = getattr(m,module) |
|
119 | m = getattr(m,module) | |
115 | if (not hasattr(m, '__file__')) or (not only_modules) or\ |
|
120 | if (not hasattr(m, '__file__')) or (not only_modules) or\ | |
116 | (hasattr(m, '__file__') and '__init__' in m.__file__): |
|
121 | (hasattr(m, '__file__') and '__init__' in m.__file__): | |
117 | completion_list = [attr for attr in dir(m) if isImportable(m, attr)] |
|
122 | completion_list = [attr for attr in dir(m) if isImportable(m, attr)] | |
118 | completion_list.extend(getattr(m,'__all__',[])) |
|
123 | completion_list.extend(getattr(m,'__all__',[])) | |
119 | if hasattr(m, '__file__') and '__init__' in m.__file__: |
|
124 | if hasattr(m, '__file__') and '__init__' in m.__file__: | |
120 | completion_list.extend(moduleList(os.path.dirname(m.__file__))) |
|
125 | completion_list.extend(moduleList(os.path.dirname(m.__file__))) | |
121 | completion_list = list(set(completion_list)) |
|
126 | completion_list = list(set(completion_list)) | |
122 | if '__init__' in completion_list: |
|
127 | if '__init__' in completion_list: | |
123 | completion_list.remove('__init__') |
|
128 | completion_list.remove('__init__') | |
124 | return completion_list |
|
129 | return completion_list | |
125 |
|
130 | |||
126 | words = line.split(' ') |
|
131 | words = line.split(' ') | |
127 | if len(words) == 3 and words[0] == 'from': |
|
132 | if len(words) == 3 and words[0] == 'from': | |
128 | return ['import '] |
|
133 | return ['import '] | |
129 | if len(words) < 3 and (words[0] in ['import','from']) : |
|
134 | if len(words) < 3 and (words[0] in ['import','from']) : | |
130 | if len(words) == 1: |
|
135 | if len(words) == 1: | |
131 | return getRootModules() |
|
136 | return getRootModules() | |
132 | mod = words[1].split('.') |
|
137 | mod = words[1].split('.') | |
133 | if len(mod) < 2: |
|
138 | if len(mod) < 2: | |
134 | return getRootModules() |
|
139 | return getRootModules() | |
135 | completion_list = tryImport('.'.join(mod[:-1]), True) |
|
140 | completion_list = tryImport('.'.join(mod[:-1]), True) | |
136 | completion_list = ['.'.join(mod[:-1] + [el]) for el in completion_list] |
|
141 | completion_list = ['.'.join(mod[:-1] + [el]) for el in completion_list] | |
137 | return completion_list |
|
142 | return completion_list | |
138 | if len(words) >= 3 and words[0] == 'from': |
|
143 | if len(words) >= 3 and words[0] == 'from': | |
139 | mod = words[1] |
|
144 | mod = words[1] | |
140 | return tryImport(mod) |
|
145 | return tryImport(mod) | |
141 |
|
146 | |||
142 | def vcs_completer(commands, event): |
|
147 | def vcs_completer(commands, event): | |
143 | """ utility to make writing typical version control app completers easier |
|
148 | """ utility to make writing typical version control app completers easier | |
144 |
|
149 | |||
145 | VCS command line apps typically have the format: |
|
150 | VCS command line apps typically have the format: | |
146 |
|
151 | |||
147 | [sudo ]PROGNAME [help] [command] file file... |
|
152 | [sudo ]PROGNAME [help] [command] file file... | |
148 |
|
153 | |||
149 | """ |
|
154 | """ | |
150 |
|
155 | |||
151 |
|
156 | |||
152 | cmd_param = event.line.split() |
|
157 | cmd_param = event.line.split() | |
153 | if event.line.endswith(' '): |
|
158 | if event.line.endswith(' '): | |
154 | cmd_param.append('') |
|
159 | cmd_param.append('') | |
155 |
|
160 | |||
156 | if cmd_param[0] == 'sudo': |
|
161 | if cmd_param[0] == 'sudo': | |
157 | cmd_param = cmd_param[1:] |
|
162 | cmd_param = cmd_param[1:] | |
158 |
|
163 | |||
159 | if len(cmd_param) == 2 or 'help' in cmd_param: |
|
164 | if len(cmd_param) == 2 or 'help' in cmd_param: | |
160 | return commands.split() |
|
165 | return commands.split() | |
161 |
|
166 | |||
162 | return ip.IP.Completer.file_matches(event.symbol) |
|
167 | return ip.IP.Completer.file_matches(event.symbol) | |
163 |
|
168 | |||
164 |
|
169 | |||
165 | pkg_cache = None |
|
170 | pkg_cache = None | |
166 |
|
171 | |||
167 | def module_completer(self,event): |
|
172 | def module_completer(self,event): | |
168 | """ Give completions after user has typed 'import ...' or 'from ...'""" |
|
173 | """ Give completions after user has typed 'import ...' or 'from ...'""" | |
169 |
|
174 | |||
170 | # This works in all versions of python. While 2.5 has |
|
175 | # This works in all versions of python. While 2.5 has | |
171 | # pkgutil.walk_packages(), that particular routine is fairly dangerous, |
|
176 | # pkgutil.walk_packages(), that particular routine is fairly dangerous, | |
172 | # since it imports *EVERYTHING* on sys.path. That is: a) very slow b) full |
|
177 | # since it imports *EVERYTHING* on sys.path. That is: a) very slow b) full | |
173 | # of possibly problematic side effects. |
|
178 | # of possibly problematic side effects. | |
174 | # This search the folders in the sys.path for available modules. |
|
179 | # This search the folders in the sys.path for available modules. | |
175 |
|
180 | |||
176 | return moduleCompletion(event.line) |
|
181 | return moduleCompletion(event.line) | |
177 |
|
182 | |||
178 |
|
183 | |||
179 | svn_commands = """\ |
|
184 | svn_commands = """\ | |
180 | add blame praise annotate ann cat checkout co cleanup commit ci copy |
|
185 | add blame praise annotate ann cat checkout co cleanup commit ci copy | |
181 | cp delete del remove rm diff di export help ? h import info list ls |
|
186 | cp delete del remove rm diff di export help ? h import info list ls | |
182 | lock log merge mkdir move mv rename ren propdel pdel pd propedit pedit |
|
187 | lock log merge mkdir move mv rename ren propdel pdel pd propedit pedit | |
183 | pe propget pget pg proplist plist pl propset pset ps resolved revert |
|
188 | pe propget pget pg proplist plist pl propset pset ps resolved revert | |
184 | status stat st switch sw unlock update |
|
189 | status stat st switch sw unlock update | |
185 | """ |
|
190 | """ | |
186 |
|
191 | |||
187 | def svn_completer(self,event): |
|
192 | def svn_completer(self,event): | |
188 | return vcs_completer(svn_commands, event) |
|
193 | return vcs_completer(svn_commands, event) | |
189 |
|
194 | |||
190 |
|
195 | |||
191 | hg_commands = """ |
|
196 | hg_commands = """ | |
192 | add addremove annotate archive backout branch branches bundle cat |
|
197 | add addremove annotate archive backout branch branches bundle cat | |
193 | clone commit copy diff export grep heads help identify import incoming |
|
198 | clone commit copy diff export grep heads help identify import incoming | |
194 | init locate log manifest merge outgoing parents paths pull push |
|
199 | init locate log manifest merge outgoing parents paths pull push | |
195 | qapplied qclone qcommit qdelete qdiff qfold qguard qheader qimport |
|
200 | qapplied qclone qcommit qdelete qdiff qfold qguard qheader qimport | |
196 | qinit qnew qnext qpop qprev qpush qrefresh qrename qrestore qsave |
|
201 | qinit qnew qnext qpop qprev qpush qrefresh qrename qrestore qsave | |
197 | qselect qseries qtop qunapplied recover remove rename revert rollback |
|
202 | qselect qseries qtop qunapplied recover remove rename revert rollback | |
198 | root serve showconfig status strip tag tags tip unbundle update verify |
|
203 | root serve showconfig status strip tag tags tip unbundle update verify | |
199 | version |
|
204 | version | |
200 | """ |
|
205 | """ | |
201 |
|
206 | |||
202 | def hg_completer(self,event): |
|
207 | def hg_completer(self,event): | |
203 | """ Completer for mercurial commands """ |
|
208 | """ Completer for mercurial commands """ | |
204 |
|
209 | |||
205 | return vcs_completer(hg_commands, event) |
|
210 | return vcs_completer(hg_commands, event) | |
206 |
|
211 | |||
207 |
|
212 | |||
208 |
|
213 | |||
209 | bzr_commands = """ |
|
214 | bzr_commands = """ | |
210 | add annotate bind branch break-lock bundle-revisions cat check |
|
215 | add annotate bind branch break-lock bundle-revisions cat check | |
211 | checkout commit conflicts deleted diff export gannotate gbranch |
|
216 | checkout commit conflicts deleted diff export gannotate gbranch | |
212 | gcommit gdiff help ignore ignored info init init-repository inventory |
|
217 | gcommit gdiff help ignore ignored info init init-repository inventory | |
213 | log merge missing mkdir mv nick pull push reconcile register-branch |
|
218 | log merge missing mkdir mv nick pull push reconcile register-branch | |
214 | remerge remove renames resolve revert revno root serve sign-my-commits |
|
219 | remerge remove renames resolve revert revno root serve sign-my-commits | |
215 | status testament unbind uncommit unknowns update upgrade version |
|
220 | status testament unbind uncommit unknowns update upgrade version | |
216 | version-info visualise whoami |
|
221 | version-info visualise whoami | |
217 | """ |
|
222 | """ | |
218 |
|
223 | |||
219 | def bzr_completer(self,event): |
|
224 | def bzr_completer(self,event): | |
220 | """ Completer for bazaar commands """ |
|
225 | """ Completer for bazaar commands """ | |
221 | cmd_param = event.line.split() |
|
226 | cmd_param = event.line.split() | |
222 | if event.line.endswith(' '): |
|
227 | if event.line.endswith(' '): | |
223 | cmd_param.append('') |
|
228 | cmd_param.append('') | |
224 |
|
229 | |||
225 | if len(cmd_param) > 2: |
|
230 | if len(cmd_param) > 2: | |
226 | cmd = cmd_param[1] |
|
231 | cmd = cmd_param[1] | |
227 | param = cmd_param[-1] |
|
232 | param = cmd_param[-1] | |
228 | output_file = (param == '--output=') |
|
233 | output_file = (param == '--output=') | |
229 | if cmd == 'help': |
|
234 | if cmd == 'help': | |
230 | return bzr_commands.split() |
|
235 | return bzr_commands.split() | |
231 | elif cmd in ['bundle-revisions','conflicts', |
|
236 | elif cmd in ['bundle-revisions','conflicts', | |
232 | 'deleted','nick','register-branch', |
|
237 | 'deleted','nick','register-branch', | |
233 | 'serve','unbind','upgrade','version', |
|
238 | 'serve','unbind','upgrade','version', | |
234 | 'whoami'] and not output_file: |
|
239 | 'whoami'] and not output_file: | |
235 | return [] |
|
240 | return [] | |
236 | else: |
|
241 | else: | |
237 | # the rest are probably file names |
|
242 | # the rest are probably file names | |
238 | return ip.IP.Completer.file_matches(event.symbol) |
|
243 | return ip.IP.Completer.file_matches(event.symbol) | |
239 |
|
244 | |||
240 | return bzr_commands.split() |
|
245 | return bzr_commands.split() | |
241 |
|
246 | |||
242 |
|
247 | |||
243 | def shlex_split(x): |
|
248 | def shlex_split(x): | |
244 | """Helper function to split lines into segments.""" |
|
249 | """Helper function to split lines into segments.""" | |
245 | #shlex.split raise exception if syntax error in sh syntax |
|
250 | #shlex.split raise exception if syntax error in sh syntax | |
246 | #for example if no closing " is found. This function keeps dropping |
|
251 | #for example if no closing " is found. This function keeps dropping | |
247 | #the last character of the line until shlex.split does not raise |
|
252 | #the last character of the line until shlex.split does not raise | |
248 | #exception. Adds end of the line to the result of shlex.split |
|
253 | #exception. Adds end of the line to the result of shlex.split | |
249 | #example: %run "c:/python -> ['%run','"c:/python'] |
|
254 | #example: %run "c:/python -> ['%run','"c:/python'] | |
250 | endofline=[] |
|
255 | endofline=[] | |
251 | while x!="": |
|
256 | while x!="": | |
252 | try: |
|
257 | try: | |
253 | comps=shlex.split(x) |
|
258 | comps=shlex.split(x) | |
254 | if len(endofline)>=1: |
|
259 | if len(endofline)>=1: | |
255 | comps.append("".join(endofline)) |
|
260 | comps.append("".join(endofline)) | |
256 | return comps |
|
261 | return comps | |
257 | except ValueError: |
|
262 | except ValueError: | |
258 | endofline=[x[-1:]]+endofline |
|
263 | endofline=[x[-1:]]+endofline | |
259 | x=x[:-1] |
|
264 | x=x[:-1] | |
260 | return ["".join(endofline)] |
|
265 | return ["".join(endofline)] | |
261 |
|
266 | |||
262 | def runlistpy(self, event): |
|
267 | def runlistpy(self, event): | |
263 | comps = shlex_split(event.line) |
|
268 | comps = shlex_split(event.line) | |
264 | relpath = (len(comps) > 1 and comps[-1] or '').strip("'\"") |
|
269 | relpath = (len(comps) > 1 and comps[-1] or '').strip("'\"") | |
265 |
|
270 | |||
266 | #print "\nev=",event # dbg |
|
271 | #print "\nev=",event # dbg | |
267 | #print "rp=",relpath # dbg |
|
272 | #print "rp=",relpath # dbg | |
268 | #print 'comps=',comps # dbg |
|
273 | #print 'comps=',comps # dbg | |
269 |
|
274 | |||
270 | lglob = glob.glob |
|
275 | lglob = glob.glob | |
271 | isdir = os.path.isdir |
|
276 | isdir = os.path.isdir | |
272 | if relpath.startswith('~'): |
|
277 | if relpath.startswith('~'): | |
273 | relpath = os.path.expanduser(relpath) |
|
278 | relpath = os.path.expanduser(relpath) | |
274 | dirs = [f.replace('\\','/') + "/" for f in lglob(relpath+'*') |
|
279 | dirs = [f.replace('\\','/') + "/" for f in lglob(relpath+'*') | |
275 | if isdir(f)] |
|
280 | if isdir(f)] | |
276 |
|
281 | |||
277 | # Find if the user has already typed the first filename, after which we |
|
282 | # Find if the user has already typed the first filename, after which we | |
278 | # should complete on all files, since after the first one other files may |
|
283 | # should complete on all files, since after the first one other files may | |
279 | # be arguments to the input script. |
|
284 | # be arguments to the input script. | |
280 | #filter( |
|
285 | #filter( | |
281 | if filter(lambda f: f.endswith('.py') or f.endswith('.ipy'),comps): |
|
286 | if filter(lambda f: f.endswith('.py') or f.endswith('.ipy'),comps): | |
282 | pys = [f.replace('\\','/') for f in lglob('*')] |
|
287 | pys = [f.replace('\\','/') for f in lglob('*')] | |
283 | else: |
|
288 | else: | |
284 | pys = [f.replace('\\','/') |
|
289 | pys = [f.replace('\\','/') | |
285 | for f in lglob(relpath+'*.py') + lglob(relpath+'*.ipy')] |
|
290 | for f in lglob(relpath+'*.py') + lglob(relpath+'*.ipy')] | |
286 | return dirs + pys |
|
291 | return dirs + pys | |
287 |
|
292 | |||
288 |
|
293 | |||
289 | def cd_completer(self, event): |
|
294 | def cd_completer(self, event): | |
290 | relpath = event.symbol |
|
295 | relpath = event.symbol | |
291 | #print event # dbg |
|
296 | #print event # dbg | |
292 | if '-b' in event.line: |
|
297 | if '-b' in event.line: | |
293 | # return only bookmark completions |
|
298 | # return only bookmark completions | |
294 | bkms = self.db.get('bookmarks',{}) |
|
299 | bkms = self.db.get('bookmarks',{}) | |
295 | return bkms.keys() |
|
300 | return bkms.keys() | |
296 |
|
301 | |||
297 |
|
302 | |||
298 | if event.symbol == '-': |
|
303 | if event.symbol == '-': | |
299 | width_dh = str(len(str(len(ip.user_ns['_dh']) + 1))) |
|
304 | width_dh = str(len(str(len(ip.user_ns['_dh']) + 1))) | |
300 | # jump in directory history by number |
|
305 | # jump in directory history by number | |
301 | fmt = '-%0' + width_dh +'d [%s]' |
|
306 | fmt = '-%0' + width_dh +'d [%s]' | |
302 | ents = [ fmt % (i,s) for i,s in enumerate(ip.user_ns['_dh'])] |
|
307 | ents = [ fmt % (i,s) for i,s in enumerate(ip.user_ns['_dh'])] | |
303 | if len(ents) > 1: |
|
308 | if len(ents) > 1: | |
304 | return ents |
|
309 | return ents | |
305 | return [] |
|
310 | return [] | |
306 |
|
311 | |||
307 | if relpath.startswith('~'): |
|
312 | if relpath.startswith('~'): | |
308 | relpath = os.path.expanduser(relpath).replace('\\','/') |
|
313 | relpath = os.path.expanduser(relpath).replace('\\','/') | |
309 | found = [] |
|
314 | found = [] | |
310 | for d in [f.replace('\\','/') + '/' for f in glob.glob(relpath+'*') |
|
315 | for d in [f.replace('\\','/') + '/' for f in glob.glob(relpath+'*') | |
311 | if os.path.isdir(f)]: |
|
316 | if os.path.isdir(f)]: | |
312 | if ' ' in d: |
|
317 | if ' ' in d: | |
313 | # we don't want to deal with any of that, complex code |
|
318 | # we don't want to deal with any of that, complex code | |
314 | # for this is elsewhere |
|
319 | # for this is elsewhere | |
315 | raise IPython.ipapi.TryNext |
|
320 | raise IPython.ipapi.TryNext | |
316 | found.append( d ) |
|
321 | found.append( d ) | |
317 |
|
322 | |||
318 | if not found: |
|
323 | if not found: | |
319 | if os.path.isdir(relpath): |
|
324 | if os.path.isdir(relpath): | |
320 | return [relpath] |
|
325 | return [relpath] | |
321 | raise IPython.ipapi.TryNext |
|
326 | raise IPython.ipapi.TryNext | |
322 | return found |
|
327 | return found | |
323 |
|
328 | |||
324 | def apt_get_packages(prefix): |
|
329 | def apt_get_packages(prefix): | |
325 | out = os.popen('apt-cache pkgnames') |
|
330 | out = os.popen('apt-cache pkgnames') | |
326 | for p in out: |
|
331 | for p in out: | |
327 | if p.startswith(prefix): |
|
332 | if p.startswith(prefix): | |
328 | yield p.rstrip() |
|
333 | yield p.rstrip() | |
329 |
|
334 | |||
330 |
|
335 | |||
331 | apt_commands = """\ |
|
336 | apt_commands = """\ | |
332 | update upgrade install remove purge source build-dep dist-upgrade |
|
337 | update upgrade install remove purge source build-dep dist-upgrade | |
333 | dselect-upgrade clean autoclean check""" |
|
338 | dselect-upgrade clean autoclean check""" | |
334 |
|
339 | |||
335 | def apt_completer(self, event): |
|
340 | def apt_completer(self, event): | |
336 | """ Completer for apt-get (uses apt-cache internally) |
|
341 | """ Completer for apt-get (uses apt-cache internally) | |
337 |
|
342 | |||
338 | """ |
|
343 | """ | |
339 |
|
344 | |||
340 |
|
345 | |||
341 | cmd_param = event.line.split() |
|
346 | cmd_param = event.line.split() | |
342 | if event.line.endswith(' '): |
|
347 | if event.line.endswith(' '): | |
343 | cmd_param.append('') |
|
348 | cmd_param.append('') | |
344 |
|
349 | |||
345 | if cmd_param[0] == 'sudo': |
|
350 | if cmd_param[0] == 'sudo': | |
346 | cmd_param = cmd_param[1:] |
|
351 | cmd_param = cmd_param[1:] | |
347 |
|
352 | |||
348 | if len(cmd_param) == 2 or 'help' in cmd_param: |
|
353 | if len(cmd_param) == 2 or 'help' in cmd_param: | |
349 | return apt_commands.split() |
|
354 | return apt_commands.split() | |
350 |
|
355 | |||
351 | return list(apt_get_packages(event.symbol)) |
|
356 | return list(apt_get_packages(event.symbol)) | |
352 |
|
357 |
@@ -1,180 +1,184 b'' | |||||
1 | """Traits-aware tab completion. |
|
1 | """Traits-aware tab completion. | |
2 |
|
2 | |||
3 | This module provides a custom tab-completer that intelligently hides the names |
|
3 | This module provides a custom tab-completer that intelligently hides the names | |
4 | that the enthought.traits library (http://code.enthought.com/traits) |
|
4 | that the enthought.traits library (http://code.enthought.com/traits) | |
5 | automatically adds to all objects that inherit from its base HasTraits class. |
|
5 | automatically adds to all objects that inherit from its base HasTraits class. | |
6 |
|
6 | |||
7 |
|
7 | |||
8 | Activation |
|
8 | Activation | |
9 | ========== |
|
9 | ========== | |
10 |
|
10 | |||
11 | To use this, put in your ~/.ipython/ipy_user_conf.py file: |
|
11 | To use this, put in your ~/.ipython/ipy_user_conf.py file: | |
12 |
|
12 | |||
13 | from ipy_traits_completer import activate |
|
13 | from ipy_traits_completer import activate | |
14 | activate([complete_threshold]) |
|
14 | activate([complete_threshold]) | |
15 |
|
15 | |||
16 | The optional complete_threshold argument is the minimal length of text you need |
|
16 | The optional complete_threshold argument is the minimal length of text you need | |
17 | to type for tab-completion to list names that are automatically generated by |
|
17 | to type for tab-completion to list names that are automatically generated by | |
18 | traits. The default value is 3. Note that at runtime, you can change this |
|
18 | traits. The default value is 3. Note that at runtime, you can change this | |
19 | value simply by doing: |
|
19 | value simply by doing: | |
20 |
|
20 | |||
21 | import ipy_traits_completer |
|
21 | import ipy_traits_completer | |
22 | ipy_traits_completer.COMPLETE_THRESHOLD = 4 |
|
22 | ipy_traits_completer.COMPLETE_THRESHOLD = 4 | |
23 |
|
23 | |||
24 |
|
24 | |||
25 | Usage |
|
25 | Usage | |
26 | ===== |
|
26 | ===== | |
27 |
|
27 | |||
28 | The system works as follows. If t is an empty object that HasTraits, then |
|
28 | The system works as follows. If t is an empty object that HasTraits, then | |
29 | (assuming the threshold is at the default value of 3): |
|
29 | (assuming the threshold is at the default value of 3): | |
30 |
|
30 | |||
31 | In [7]: t.ed<TAB> |
|
31 | In [7]: t.ed<TAB> | |
32 |
|
32 | |||
33 | doesn't show anything at all, but: |
|
33 | doesn't show anything at all, but: | |
34 |
|
34 | |||
35 | In [7]: t.edi<TAB> |
|
35 | In [7]: t.edi<TAB> | |
36 | t.edit_traits t.editable_traits |
|
36 | t.edit_traits t.editable_traits | |
37 |
|
37 | |||
38 | shows these two names that come from traits. This allows you to complete on |
|
38 | shows these two names that come from traits. This allows you to complete on | |
39 | the traits-specific names by typing at least 3 letters from them (or whatever |
|
39 | the traits-specific names by typing at least 3 letters from them (or whatever | |
40 | you set your threshold to), but to otherwise not see them in normal completion. |
|
40 | you set your threshold to), but to otherwise not see them in normal completion. | |
41 |
|
41 | |||
42 |
|
42 | |||
43 | Notes |
|
43 | Notes | |
44 | ===== |
|
44 | ===== | |
45 |
|
45 | |||
46 | - This requires Python 2.4 to work (I use sets). I don't think anyone is |
|
46 | - This requires Python 2.4 to work (I use sets). I don't think anyone is | |
47 | using traits with 2.3 anyway, so that's OK. |
|
47 | using traits with 2.3 anyway, so that's OK. | |
48 | """ |
|
48 | """ | |
49 |
|
49 | |||
50 | ############################################################################# |
|
50 | ############################################################################# | |
51 | # External imports |
|
51 | # External imports | |
52 | from enthought.traits import api as T |
|
52 | from enthought.traits import api as T | |
53 |
|
53 | |||
54 | # IPython imports |
|
54 | # IPython imports | |
55 | from IPython.ipapi import TryNext, get as ipget |
|
55 | from IPython.ipapi import TryNext, get as ipget | |
56 | from IPython.genutils import dir2 |
|
56 | from IPython.genutils import dir2 | |
|
57 | try: | |||
|
58 | set | |||
|
59 | except: | |||
|
60 | from sets import Set as set | |||
57 |
|
61 | |||
58 | ############################################################################# |
|
62 | ############################################################################# | |
59 | # Module constants |
|
63 | # Module constants | |
60 |
|
64 | |||
61 | # The completion threshold |
|
65 | # The completion threshold | |
62 | # This is currently implemented as a module global, since this sytem isn't |
|
66 | # This is currently implemented as a module global, since this sytem isn't | |
63 | # likely to be modified at runtime by multiple instances. If needed in the |
|
67 | # likely to be modified at runtime by multiple instances. If needed in the | |
64 | # future, we can always make it local to the completer as a function attribute. |
|
68 | # future, we can always make it local to the completer as a function attribute. | |
65 | COMPLETE_THRESHOLD = 3 |
|
69 | COMPLETE_THRESHOLD = 3 | |
66 |
|
70 | |||
67 | # Set of names that Traits automatically adds to ANY traits-inheriting object. |
|
71 | # Set of names that Traits automatically adds to ANY traits-inheriting object. | |
68 | # These are the names we'll filter out. |
|
72 | # These are the names we'll filter out. | |
69 | TRAIT_NAMES = set( dir2(T.HasTraits()) ) - set( dir2(object()) ) |
|
73 | TRAIT_NAMES = set( dir2(T.HasTraits()) ) - set( dir2(object()) ) | |
70 |
|
74 | |||
71 | ############################################################################# |
|
75 | ############################################################################# | |
72 | # Code begins |
|
76 | # Code begins | |
73 |
|
77 | |||
74 | def trait_completer(self,event): |
|
78 | def trait_completer(self,event): | |
75 | """A custom IPython tab-completer that is traits-aware. |
|
79 | """A custom IPython tab-completer that is traits-aware. | |
76 |
|
80 | |||
77 | It tries to hide the internal traits attributes, and reveal them only when |
|
81 | It tries to hide the internal traits attributes, and reveal them only when | |
78 | it can reasonably guess that the user really is after one of them. |
|
82 | it can reasonably guess that the user really is after one of them. | |
79 | """ |
|
83 | """ | |
80 |
|
84 | |||
81 | #print '\nevent is:',event # dbg |
|
85 | #print '\nevent is:',event # dbg | |
82 | symbol_parts = event.symbol.split('.') |
|
86 | symbol_parts = event.symbol.split('.') | |
83 | base = '.'.join(symbol_parts[:-1]) |
|
87 | base = '.'.join(symbol_parts[:-1]) | |
84 | #print 'base:',base # dbg |
|
88 | #print 'base:',base # dbg | |
85 |
|
89 | |||
86 | oinfo = self._ofind(base) |
|
90 | oinfo = self._ofind(base) | |
87 | if not oinfo['found']: |
|
91 | if not oinfo['found']: | |
88 | raise TryNext |
|
92 | raise TryNext | |
89 |
|
93 | |||
90 | obj = oinfo['obj'] |
|
94 | obj = oinfo['obj'] | |
91 | # OK, we got the object. See if it's traits, else punt |
|
95 | # OK, we got the object. See if it's traits, else punt | |
92 | if not isinstance(obj,T.HasTraits): |
|
96 | if not isinstance(obj,T.HasTraits): | |
93 | raise TryNext |
|
97 | raise TryNext | |
94 |
|
98 | |||
95 | # it's a traits object, don't show the tr* attributes unless the completion |
|
99 | # it's a traits object, don't show the tr* attributes unless the completion | |
96 | # begins with 'tr' |
|
100 | # begins with 'tr' | |
97 | attrs = dir2(obj) |
|
101 | attrs = dir2(obj) | |
98 | # Now, filter out the attributes that start with the user's request |
|
102 | # Now, filter out the attributes that start with the user's request | |
99 | attr_start = symbol_parts[-1] |
|
103 | attr_start = symbol_parts[-1] | |
100 | if attr_start: |
|
104 | if attr_start: | |
101 | attrs = [a for a in attrs if a.startswith(attr_start)] |
|
105 | attrs = [a for a in attrs if a.startswith(attr_start)] | |
102 |
|
106 | |||
103 | # Let's also respect the user's readline_omit__names setting: |
|
107 | # Let's also respect the user's readline_omit__names setting: | |
104 | omit__names = ipget().options.readline_omit__names |
|
108 | omit__names = ipget().options.readline_omit__names | |
105 | if omit__names == 1: |
|
109 | if omit__names == 1: | |
106 | attrs = [a for a in attrs if not a.startswith('__')] |
|
110 | attrs = [a for a in attrs if not a.startswith('__')] | |
107 | elif omit__names == 2: |
|
111 | elif omit__names == 2: | |
108 | attrs = [a for a in attrs if not a.startswith('_')] |
|
112 | attrs = [a for a in attrs if not a.startswith('_')] | |
109 |
|
113 | |||
110 | #print '\nastart:<%r>' % attr_start # dbg |
|
114 | #print '\nastart:<%r>' % attr_start # dbg | |
111 |
|
115 | |||
112 | if len(attr_start)<COMPLETE_THRESHOLD: |
|
116 | if len(attr_start)<COMPLETE_THRESHOLD: | |
113 | attrs = list(set(attrs) - TRAIT_NAMES) |
|
117 | attrs = list(set(attrs) - TRAIT_NAMES) | |
114 |
|
118 | |||
115 | # The base of the completion, so we can form the final results list |
|
119 | # The base of the completion, so we can form the final results list | |
116 | bdot = base+'.' |
|
120 | bdot = base+'.' | |
117 |
|
121 | |||
118 | tcomp = [bdot+a for a in attrs] |
|
122 | tcomp = [bdot+a for a in attrs] | |
119 | #print 'tcomp:',tcomp |
|
123 | #print 'tcomp:',tcomp | |
120 | return tcomp |
|
124 | return tcomp | |
121 |
|
125 | |||
122 | def activate(complete_threshold = COMPLETE_THRESHOLD): |
|
126 | def activate(complete_threshold = COMPLETE_THRESHOLD): | |
123 | """Activate the Traits completer. |
|
127 | """Activate the Traits completer. | |
124 |
|
128 | |||
125 | :Keywords: |
|
129 | :Keywords: | |
126 | complete_threshold : int |
|
130 | complete_threshold : int | |
127 | The minimum number of letters that a user must type in order to |
|
131 | The minimum number of letters that a user must type in order to | |
128 | activate completion of traits-private names.""" |
|
132 | activate completion of traits-private names.""" | |
129 |
|
133 | |||
130 | if not (isinstance(complete_threshold,int) and |
|
134 | if not (isinstance(complete_threshold,int) and | |
131 | complete_threshold>0): |
|
135 | complete_threshold>0): | |
132 | e='complete_threshold must be a positive integer, not %r' % \ |
|
136 | e='complete_threshold must be a positive integer, not %r' % \ | |
133 | complete_threshold |
|
137 | complete_threshold | |
134 | raise ValueError(e) |
|
138 | raise ValueError(e) | |
135 |
|
139 | |||
136 | # Set the module global |
|
140 | # Set the module global | |
137 | global COMPLETE_THRESHOLD |
|
141 | global COMPLETE_THRESHOLD | |
138 | COMPLETE_THRESHOLD = complete_threshold |
|
142 | COMPLETE_THRESHOLD = complete_threshold | |
139 |
|
143 | |||
140 | # Activate the traits aware completer |
|
144 | # Activate the traits aware completer | |
141 | ip = ipget() |
|
145 | ip = ipget() | |
142 | ip.set_hook('complete_command', trait_completer, re_key = '.*') |
|
146 | ip.set_hook('complete_command', trait_completer, re_key = '.*') | |
143 |
|
147 | |||
144 |
|
148 | |||
145 | ############################################################################# |
|
149 | ############################################################################# | |
146 | if __name__ == '__main__': |
|
150 | if __name__ == '__main__': | |
147 | # Testing/debugging |
|
151 | # Testing/debugging | |
148 |
|
152 | |||
149 | # A sorted list of the names we'll filter out |
|
153 | # A sorted list of the names we'll filter out | |
150 | TNL = list(TRAIT_NAMES) |
|
154 | TNL = list(TRAIT_NAMES) | |
151 | TNL.sort() |
|
155 | TNL.sort() | |
152 |
|
156 | |||
153 | # Make a few objects for testing |
|
157 | # Make a few objects for testing | |
154 | class TClean(T.HasTraits): pass |
|
158 | class TClean(T.HasTraits): pass | |
155 | class Bunch(object): pass |
|
159 | class Bunch(object): pass | |
156 | # A clean traits object |
|
160 | # A clean traits object | |
157 | t = TClean() |
|
161 | t = TClean() | |
158 | # A nested object containing t |
|
162 | # A nested object containing t | |
159 | f = Bunch() |
|
163 | f = Bunch() | |
160 | f.t = t |
|
164 | f.t = t | |
161 | # And a naked new-style object |
|
165 | # And a naked new-style object | |
162 | o = object() |
|
166 | o = object() | |
163 |
|
167 | |||
164 | ip = ipget().IP |
|
168 | ip = ipget().IP | |
165 |
|
169 | |||
166 | # A few simplistic tests |
|
170 | # A few simplistic tests | |
167 |
|
171 | |||
168 | # Reset the threshold to the default, in case the test is running inside an |
|
172 | # Reset the threshold to the default, in case the test is running inside an | |
169 | # instance of ipython that changed it |
|
173 | # instance of ipython that changed it | |
170 | import ipy_traits_completer |
|
174 | import ipy_traits_completer | |
171 | ipy_traits_completer.COMPLETE_THRESHOLD = 3 |
|
175 | ipy_traits_completer.COMPLETE_THRESHOLD = 3 | |
172 |
|
176 | |||
173 | assert ip.complete('t.ed') ==[] |
|
177 | assert ip.complete('t.ed') ==[] | |
174 |
|
178 | |||
175 | # For some bizarre reason, these fail on the first time I run them, but not |
|
179 | # For some bizarre reason, these fail on the first time I run them, but not | |
176 | # afterwards. Traits does some really weird stuff at object instantiation |
|
180 | # afterwards. Traits does some really weird stuff at object instantiation | |
177 | # time... |
|
181 | # time... | |
178 | ta = ip.complete('t.edi') |
|
182 | ta = ip.complete('t.edi') | |
179 | assert ta == ['t.edit_traits', 't.editable_traits'] |
|
183 | assert ta == ['t.edit_traits', 't.editable_traits'] | |
180 | print 'Tests OK' |
|
184 | print 'Tests OK' |
@@ -1,1990 +1,1996 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """ |
|
2 | """ | |
3 | General purpose utilities. |
|
3 | General purpose utilities. | |
4 |
|
4 | |||
5 | This is a grab-bag of stuff I find useful in most programs I write. Some of |
|
5 | This is a grab-bag of stuff I find useful in most programs I write. Some of | |
6 | these things are also convenient when working at the command line. |
|
6 | these things are also convenient when working at the command line. | |
7 |
|
7 | |||
8 |
$Id: genutils.py 2 |
|
8 | $Id: genutils.py 2937 2008-01-16 15:25:59Z vivainio $""" | |
9 |
|
9 | |||
10 | #***************************************************************************** |
|
10 | #***************************************************************************** | |
11 | # Copyright (C) 2001-2006 Fernando Perez. <fperez@colorado.edu> |
|
11 | # Copyright (C) 2001-2006 Fernando Perez. <fperez@colorado.edu> | |
12 | # |
|
12 | # | |
13 | # Distributed under the terms of the BSD License. The full license is in |
|
13 | # Distributed under the terms of the BSD License. The full license is in | |
14 | # the file COPYING, distributed as part of this software. |
|
14 | # the file COPYING, distributed as part of this software. | |
15 | #***************************************************************************** |
|
15 | #***************************************************************************** | |
16 |
|
16 | |||
17 | from IPython import Release |
|
17 | from IPython import Release | |
18 | __author__ = '%s <%s>' % Release.authors['Fernando'] |
|
18 | __author__ = '%s <%s>' % Release.authors['Fernando'] | |
19 | __license__ = Release.license |
|
19 | __license__ = Release.license | |
20 |
|
20 | |||
21 | #**************************************************************************** |
|
21 | #**************************************************************************** | |
22 | # required modules from the Python standard library |
|
22 | # required modules from the Python standard library | |
23 | import __main__ |
|
23 | import __main__ | |
24 | import commands |
|
24 | import commands | |
25 | import doctest |
|
25 | import doctest | |
26 | import os |
|
26 | import os | |
27 | import re |
|
27 | import re | |
28 | import shlex |
|
28 | import shlex | |
29 | import shutil |
|
29 | import shutil | |
30 | import sys |
|
30 | import sys | |
31 | import tempfile |
|
31 | import tempfile | |
32 | import time |
|
32 | import time | |
33 | import types |
|
33 | import types | |
34 | import warnings |
|
34 | import warnings | |
35 |
|
35 | |||
36 | # Other IPython utilities |
|
36 | # Other IPython utilities | |
37 | import IPython |
|
37 | import IPython | |
38 | from IPython.Itpl import Itpl,itpl,printpl |
|
38 | from IPython.Itpl import Itpl,itpl,printpl | |
39 | from IPython import DPyGetOpt, platutils |
|
39 | from IPython import DPyGetOpt, platutils | |
40 | from IPython.generics import result_display |
|
40 | from IPython.generics import result_display | |
41 | from path import path |
|
41 | from path import path | |
42 | if os.name == "nt": |
|
42 | if os.name == "nt": | |
43 | from IPython.winconsole import get_console_size |
|
43 | from IPython.winconsole import get_console_size | |
44 |
|
44 | |||
|
45 | try: | |||
|
46 | set | |||
|
47 | except: | |||
|
48 | from sets import Set as set | |||
|
49 | ||||
|
50 | ||||
45 | #**************************************************************************** |
|
51 | #**************************************************************************** | |
46 | # Exceptions |
|
52 | # Exceptions | |
47 | class Error(Exception): |
|
53 | class Error(Exception): | |
48 | """Base class for exceptions in this module.""" |
|
54 | """Base class for exceptions in this module.""" | |
49 | pass |
|
55 | pass | |
50 |
|
56 | |||
51 | #---------------------------------------------------------------------------- |
|
57 | #---------------------------------------------------------------------------- | |
52 | class IOStream: |
|
58 | class IOStream: | |
53 | def __init__(self,stream,fallback): |
|
59 | def __init__(self,stream,fallback): | |
54 | if not hasattr(stream,'write') or not hasattr(stream,'flush'): |
|
60 | if not hasattr(stream,'write') or not hasattr(stream,'flush'): | |
55 | stream = fallback |
|
61 | stream = fallback | |
56 | self.stream = stream |
|
62 | self.stream = stream | |
57 | self._swrite = stream.write |
|
63 | self._swrite = stream.write | |
58 | self.flush = stream.flush |
|
64 | self.flush = stream.flush | |
59 |
|
65 | |||
60 | def write(self,data): |
|
66 | def write(self,data): | |
61 | try: |
|
67 | try: | |
62 | self._swrite(data) |
|
68 | self._swrite(data) | |
63 | except: |
|
69 | except: | |
64 | try: |
|
70 | try: | |
65 | # print handles some unicode issues which may trip a plain |
|
71 | # print handles some unicode issues which may trip a plain | |
66 | # write() call. Attempt to emulate write() by using a |
|
72 | # write() call. Attempt to emulate write() by using a | |
67 | # trailing comma |
|
73 | # trailing comma | |
68 | print >> self.stream, data, |
|
74 | print >> self.stream, data, | |
69 | except: |
|
75 | except: | |
70 | # if we get here, something is seriously broken. |
|
76 | # if we get here, something is seriously broken. | |
71 | print >> sys.stderr, \ |
|
77 | print >> sys.stderr, \ | |
72 | 'ERROR - failed to write data to stream:', self.stream |
|
78 | 'ERROR - failed to write data to stream:', self.stream | |
73 |
|
79 | |||
74 | def close(self): |
|
80 | def close(self): | |
75 | pass |
|
81 | pass | |
76 |
|
82 | |||
77 |
|
83 | |||
78 | class IOTerm: |
|
84 | class IOTerm: | |
79 | """ Term holds the file or file-like objects for handling I/O operations. |
|
85 | """ Term holds the file or file-like objects for handling I/O operations. | |
80 |
|
86 | |||
81 | These are normally just sys.stdin, sys.stdout and sys.stderr but for |
|
87 | These are normally just sys.stdin, sys.stdout and sys.stderr but for | |
82 | Windows they can can replaced to allow editing the strings before they are |
|
88 | Windows they can can replaced to allow editing the strings before they are | |
83 | displayed.""" |
|
89 | displayed.""" | |
84 |
|
90 | |||
85 | # In the future, having IPython channel all its I/O operations through |
|
91 | # In the future, having IPython channel all its I/O operations through | |
86 | # this class will make it easier to embed it into other environments which |
|
92 | # this class will make it easier to embed it into other environments which | |
87 | # are not a normal terminal (such as a GUI-based shell) |
|
93 | # are not a normal terminal (such as a GUI-based shell) | |
88 | def __init__(self,cin=None,cout=None,cerr=None): |
|
94 | def __init__(self,cin=None,cout=None,cerr=None): | |
89 | self.cin = IOStream(cin,sys.stdin) |
|
95 | self.cin = IOStream(cin,sys.stdin) | |
90 | self.cout = IOStream(cout,sys.stdout) |
|
96 | self.cout = IOStream(cout,sys.stdout) | |
91 | self.cerr = IOStream(cerr,sys.stderr) |
|
97 | self.cerr = IOStream(cerr,sys.stderr) | |
92 |
|
98 | |||
93 | # Global variable to be used for all I/O |
|
99 | # Global variable to be used for all I/O | |
94 | Term = IOTerm() |
|
100 | Term = IOTerm() | |
95 |
|
101 | |||
96 | import IPython.rlineimpl as readline |
|
102 | import IPython.rlineimpl as readline | |
97 | # Remake Term to use the readline i/o facilities |
|
103 | # Remake Term to use the readline i/o facilities | |
98 | if sys.platform == 'win32' and readline.have_readline: |
|
104 | if sys.platform == 'win32' and readline.have_readline: | |
99 |
|
105 | |||
100 | Term = IOTerm(cout=readline._outputfile,cerr=readline._outputfile) |
|
106 | Term = IOTerm(cout=readline._outputfile,cerr=readline._outputfile) | |
101 |
|
107 | |||
102 |
|
108 | |||
103 | #**************************************************************************** |
|
109 | #**************************************************************************** | |
104 | # Generic warning/error printer, used by everything else |
|
110 | # Generic warning/error printer, used by everything else | |
105 | def warn(msg,level=2,exit_val=1): |
|
111 | def warn(msg,level=2,exit_val=1): | |
106 | """Standard warning printer. Gives formatting consistency. |
|
112 | """Standard warning printer. Gives formatting consistency. | |
107 |
|
113 | |||
108 | Output is sent to Term.cerr (sys.stderr by default). |
|
114 | Output is sent to Term.cerr (sys.stderr by default). | |
109 |
|
115 | |||
110 | Options: |
|
116 | Options: | |
111 |
|
117 | |||
112 | -level(2): allows finer control: |
|
118 | -level(2): allows finer control: | |
113 | 0 -> Do nothing, dummy function. |
|
119 | 0 -> Do nothing, dummy function. | |
114 | 1 -> Print message. |
|
120 | 1 -> Print message. | |
115 | 2 -> Print 'WARNING:' + message. (Default level). |
|
121 | 2 -> Print 'WARNING:' + message. (Default level). | |
116 | 3 -> Print 'ERROR:' + message. |
|
122 | 3 -> Print 'ERROR:' + message. | |
117 | 4 -> Print 'FATAL ERROR:' + message and trigger a sys.exit(exit_val). |
|
123 | 4 -> Print 'FATAL ERROR:' + message and trigger a sys.exit(exit_val). | |
118 |
|
124 | |||
119 | -exit_val (1): exit value returned by sys.exit() for a level 4 |
|
125 | -exit_val (1): exit value returned by sys.exit() for a level 4 | |
120 | warning. Ignored for all other levels.""" |
|
126 | warning. Ignored for all other levels.""" | |
121 |
|
127 | |||
122 | if level>0: |
|
128 | if level>0: | |
123 | header = ['','','WARNING: ','ERROR: ','FATAL ERROR: '] |
|
129 | header = ['','','WARNING: ','ERROR: ','FATAL ERROR: '] | |
124 | print >> Term.cerr, '%s%s' % (header[level],msg) |
|
130 | print >> Term.cerr, '%s%s' % (header[level],msg) | |
125 | if level == 4: |
|
131 | if level == 4: | |
126 | print >> Term.cerr,'Exiting.\n' |
|
132 | print >> Term.cerr,'Exiting.\n' | |
127 | sys.exit(exit_val) |
|
133 | sys.exit(exit_val) | |
128 |
|
134 | |||
129 | def info(msg): |
|
135 | def info(msg): | |
130 | """Equivalent to warn(msg,level=1).""" |
|
136 | """Equivalent to warn(msg,level=1).""" | |
131 |
|
137 | |||
132 | warn(msg,level=1) |
|
138 | warn(msg,level=1) | |
133 |
|
139 | |||
134 | def error(msg): |
|
140 | def error(msg): | |
135 | """Equivalent to warn(msg,level=3).""" |
|
141 | """Equivalent to warn(msg,level=3).""" | |
136 |
|
142 | |||
137 | warn(msg,level=3) |
|
143 | warn(msg,level=3) | |
138 |
|
144 | |||
139 | def fatal(msg,exit_val=1): |
|
145 | def fatal(msg,exit_val=1): | |
140 | """Equivalent to warn(msg,exit_val=exit_val,level=4).""" |
|
146 | """Equivalent to warn(msg,exit_val=exit_val,level=4).""" | |
141 |
|
147 | |||
142 | warn(msg,exit_val=exit_val,level=4) |
|
148 | warn(msg,exit_val=exit_val,level=4) | |
143 |
|
149 | |||
144 | #--------------------------------------------------------------------------- |
|
150 | #--------------------------------------------------------------------------- | |
145 | # Debugging routines |
|
151 | # Debugging routines | |
146 | # |
|
152 | # | |
147 | def debugx(expr,pre_msg=''): |
|
153 | def debugx(expr,pre_msg=''): | |
148 | """Print the value of an expression from the caller's frame. |
|
154 | """Print the value of an expression from the caller's frame. | |
149 |
|
155 | |||
150 | Takes an expression, evaluates it in the caller's frame and prints both |
|
156 | Takes an expression, evaluates it in the caller's frame and prints both | |
151 | the given expression and the resulting value (as well as a debug mark |
|
157 | the given expression and the resulting value (as well as a debug mark | |
152 | indicating the name of the calling function. The input must be of a form |
|
158 | indicating the name of the calling function. The input must be of a form | |
153 | suitable for eval(). |
|
159 | suitable for eval(). | |
154 |
|
160 | |||
155 | An optional message can be passed, which will be prepended to the printed |
|
161 | An optional message can be passed, which will be prepended to the printed | |
156 | expr->value pair.""" |
|
162 | expr->value pair.""" | |
157 |
|
163 | |||
158 | cf = sys._getframe(1) |
|
164 | cf = sys._getframe(1) | |
159 | print '[DBG:%s] %s%s -> %r' % (cf.f_code.co_name,pre_msg,expr, |
|
165 | print '[DBG:%s] %s%s -> %r' % (cf.f_code.co_name,pre_msg,expr, | |
160 | eval(expr,cf.f_globals,cf.f_locals)) |
|
166 | eval(expr,cf.f_globals,cf.f_locals)) | |
161 |
|
167 | |||
162 | # deactivate it by uncommenting the following line, which makes it a no-op |
|
168 | # deactivate it by uncommenting the following line, which makes it a no-op | |
163 | #def debugx(expr,pre_msg=''): pass |
|
169 | #def debugx(expr,pre_msg=''): pass | |
164 |
|
170 | |||
165 | #---------------------------------------------------------------------------- |
|
171 | #---------------------------------------------------------------------------- | |
166 | StringTypes = types.StringTypes |
|
172 | StringTypes = types.StringTypes | |
167 |
|
173 | |||
168 | # Basic timing functionality |
|
174 | # Basic timing functionality | |
169 |
|
175 | |||
170 | # If possible (Unix), use the resource module instead of time.clock() |
|
176 | # If possible (Unix), use the resource module instead of time.clock() | |
171 | try: |
|
177 | try: | |
172 | import resource |
|
178 | import resource | |
173 | def clocku(): |
|
179 | def clocku(): | |
174 | """clocku() -> floating point number |
|
180 | """clocku() -> floating point number | |
175 |
|
181 | |||
176 | Return the *USER* CPU time in seconds since the start of the process. |
|
182 | Return the *USER* CPU time in seconds since the start of the process. | |
177 | This is done via a call to resource.getrusage, so it avoids the |
|
183 | This is done via a call to resource.getrusage, so it avoids the | |
178 | wraparound problems in time.clock().""" |
|
184 | wraparound problems in time.clock().""" | |
179 |
|
185 | |||
180 | return resource.getrusage(resource.RUSAGE_SELF)[0] |
|
186 | return resource.getrusage(resource.RUSAGE_SELF)[0] | |
181 |
|
187 | |||
182 | def clocks(): |
|
188 | def clocks(): | |
183 | """clocks() -> floating point number |
|
189 | """clocks() -> floating point number | |
184 |
|
190 | |||
185 | Return the *SYSTEM* CPU time in seconds since the start of the process. |
|
191 | Return the *SYSTEM* CPU time in seconds since the start of the process. | |
186 | This is done via a call to resource.getrusage, so it avoids the |
|
192 | This is done via a call to resource.getrusage, so it avoids the | |
187 | wraparound problems in time.clock().""" |
|
193 | wraparound problems in time.clock().""" | |
188 |
|
194 | |||
189 | return resource.getrusage(resource.RUSAGE_SELF)[1] |
|
195 | return resource.getrusage(resource.RUSAGE_SELF)[1] | |
190 |
|
196 | |||
191 | def clock(): |
|
197 | def clock(): | |
192 | """clock() -> floating point number |
|
198 | """clock() -> floating point number | |
193 |
|
199 | |||
194 | Return the *TOTAL USER+SYSTEM* CPU time in seconds since the start of |
|
200 | Return the *TOTAL USER+SYSTEM* CPU time in seconds since the start of | |
195 | the process. This is done via a call to resource.getrusage, so it |
|
201 | the process. This is done via a call to resource.getrusage, so it | |
196 | avoids the wraparound problems in time.clock().""" |
|
202 | avoids the wraparound problems in time.clock().""" | |
197 |
|
203 | |||
198 | u,s = resource.getrusage(resource.RUSAGE_SELF)[:2] |
|
204 | u,s = resource.getrusage(resource.RUSAGE_SELF)[:2] | |
199 | return u+s |
|
205 | return u+s | |
200 |
|
206 | |||
201 | def clock2(): |
|
207 | def clock2(): | |
202 | """clock2() -> (t_user,t_system) |
|
208 | """clock2() -> (t_user,t_system) | |
203 |
|
209 | |||
204 | Similar to clock(), but return a tuple of user/system times.""" |
|
210 | Similar to clock(), but return a tuple of user/system times.""" | |
205 | return resource.getrusage(resource.RUSAGE_SELF)[:2] |
|
211 | return resource.getrusage(resource.RUSAGE_SELF)[:2] | |
206 |
|
212 | |||
207 | except ImportError: |
|
213 | except ImportError: | |
208 | # There is no distinction of user/system time under windows, so we just use |
|
214 | # There is no distinction of user/system time under windows, so we just use | |
209 | # time.clock() for everything... |
|
215 | # time.clock() for everything... | |
210 | clocku = clocks = clock = time.clock |
|
216 | clocku = clocks = clock = time.clock | |
211 | def clock2(): |
|
217 | def clock2(): | |
212 | """Under windows, system CPU time can't be measured. |
|
218 | """Under windows, system CPU time can't be measured. | |
213 |
|
219 | |||
214 | This just returns clock() and zero.""" |
|
220 | This just returns clock() and zero.""" | |
215 | return time.clock(),0.0 |
|
221 | return time.clock(),0.0 | |
216 |
|
222 | |||
217 | def timings_out(reps,func,*args,**kw): |
|
223 | def timings_out(reps,func,*args,**kw): | |
218 | """timings_out(reps,func,*args,**kw) -> (t_total,t_per_call,output) |
|
224 | """timings_out(reps,func,*args,**kw) -> (t_total,t_per_call,output) | |
219 |
|
225 | |||
220 | Execute a function reps times, return a tuple with the elapsed total |
|
226 | Execute a function reps times, return a tuple with the elapsed total | |
221 | CPU time in seconds, the time per call and the function's output. |
|
227 | CPU time in seconds, the time per call and the function's output. | |
222 |
|
228 | |||
223 | Under Unix, the return value is the sum of user+system time consumed by |
|
229 | Under Unix, the return value is the sum of user+system time consumed by | |
224 | the process, computed via the resource module. This prevents problems |
|
230 | the process, computed via the resource module. This prevents problems | |
225 | related to the wraparound effect which the time.clock() function has. |
|
231 | related to the wraparound effect which the time.clock() function has. | |
226 |
|
232 | |||
227 | Under Windows the return value is in wall clock seconds. See the |
|
233 | Under Windows the return value is in wall clock seconds. See the | |
228 | documentation for the time module for more details.""" |
|
234 | documentation for the time module for more details.""" | |
229 |
|
235 | |||
230 | reps = int(reps) |
|
236 | reps = int(reps) | |
231 | assert reps >=1, 'reps must be >= 1' |
|
237 | assert reps >=1, 'reps must be >= 1' | |
232 | if reps==1: |
|
238 | if reps==1: | |
233 | start = clock() |
|
239 | start = clock() | |
234 | out = func(*args,**kw) |
|
240 | out = func(*args,**kw) | |
235 | tot_time = clock()-start |
|
241 | tot_time = clock()-start | |
236 | else: |
|
242 | else: | |
237 | rng = xrange(reps-1) # the last time is executed separately to store output |
|
243 | rng = xrange(reps-1) # the last time is executed separately to store output | |
238 | start = clock() |
|
244 | start = clock() | |
239 | for dummy in rng: func(*args,**kw) |
|
245 | for dummy in rng: func(*args,**kw) | |
240 | out = func(*args,**kw) # one last time |
|
246 | out = func(*args,**kw) # one last time | |
241 | tot_time = clock()-start |
|
247 | tot_time = clock()-start | |
242 | av_time = tot_time / reps |
|
248 | av_time = tot_time / reps | |
243 | return tot_time,av_time,out |
|
249 | return tot_time,av_time,out | |
244 |
|
250 | |||
245 | def timings(reps,func,*args,**kw): |
|
251 | def timings(reps,func,*args,**kw): | |
246 | """timings(reps,func,*args,**kw) -> (t_total,t_per_call) |
|
252 | """timings(reps,func,*args,**kw) -> (t_total,t_per_call) | |
247 |
|
253 | |||
248 | Execute a function reps times, return a tuple with the elapsed total CPU |
|
254 | Execute a function reps times, return a tuple with the elapsed total CPU | |
249 | time in seconds and the time per call. These are just the first two values |
|
255 | time in seconds and the time per call. These are just the first two values | |
250 | in timings_out().""" |
|
256 | in timings_out().""" | |
251 |
|
257 | |||
252 | return timings_out(reps,func,*args,**kw)[0:2] |
|
258 | return timings_out(reps,func,*args,**kw)[0:2] | |
253 |
|
259 | |||
254 | def timing(func,*args,**kw): |
|
260 | def timing(func,*args,**kw): | |
255 | """timing(func,*args,**kw) -> t_total |
|
261 | """timing(func,*args,**kw) -> t_total | |
256 |
|
262 | |||
257 | Execute a function once, return the elapsed total CPU time in |
|
263 | Execute a function once, return the elapsed total CPU time in | |
258 | seconds. This is just the first value in timings_out().""" |
|
264 | seconds. This is just the first value in timings_out().""" | |
259 |
|
265 | |||
260 | return timings_out(1,func,*args,**kw)[0] |
|
266 | return timings_out(1,func,*args,**kw)[0] | |
261 |
|
267 | |||
262 | #**************************************************************************** |
|
268 | #**************************************************************************** | |
263 | # file and system |
|
269 | # file and system | |
264 |
|
270 | |||
265 | def arg_split(s,posix=False): |
|
271 | def arg_split(s,posix=False): | |
266 | """Split a command line's arguments in a shell-like manner. |
|
272 | """Split a command line's arguments in a shell-like manner. | |
267 |
|
273 | |||
268 | This is a modified version of the standard library's shlex.split() |
|
274 | This is a modified version of the standard library's shlex.split() | |
269 | function, but with a default of posix=False for splitting, so that quotes |
|
275 | function, but with a default of posix=False for splitting, so that quotes | |
270 | in inputs are respected.""" |
|
276 | in inputs are respected.""" | |
271 |
|
277 | |||
272 | # XXX - there may be unicode-related problems here!!! I'm not sure that |
|
278 | # XXX - there may be unicode-related problems here!!! I'm not sure that | |
273 | # shlex is truly unicode-safe, so it might be necessary to do |
|
279 | # shlex is truly unicode-safe, so it might be necessary to do | |
274 | # |
|
280 | # | |
275 | # s = s.encode(sys.stdin.encoding) |
|
281 | # s = s.encode(sys.stdin.encoding) | |
276 | # |
|
282 | # | |
277 | # first, to ensure that shlex gets a normal string. Input from anyone who |
|
283 | # first, to ensure that shlex gets a normal string. Input from anyone who | |
278 | # knows more about unicode and shlex than I would be good to have here... |
|
284 | # knows more about unicode and shlex than I would be good to have here... | |
279 | lex = shlex.shlex(s, posix=posix) |
|
285 | lex = shlex.shlex(s, posix=posix) | |
280 | lex.whitespace_split = True |
|
286 | lex.whitespace_split = True | |
281 | return list(lex) |
|
287 | return list(lex) | |
282 |
|
288 | |||
283 | def system(cmd,verbose=0,debug=0,header=''): |
|
289 | def system(cmd,verbose=0,debug=0,header=''): | |
284 | """Execute a system command, return its exit status. |
|
290 | """Execute a system command, return its exit status. | |
285 |
|
291 | |||
286 | Options: |
|
292 | Options: | |
287 |
|
293 | |||
288 | - verbose (0): print the command to be executed. |
|
294 | - verbose (0): print the command to be executed. | |
289 |
|
295 | |||
290 | - debug (0): only print, do not actually execute. |
|
296 | - debug (0): only print, do not actually execute. | |
291 |
|
297 | |||
292 | - header (''): Header to print on screen prior to the executed command (it |
|
298 | - header (''): Header to print on screen prior to the executed command (it | |
293 | is only prepended to the command, no newlines are added). |
|
299 | is only prepended to the command, no newlines are added). | |
294 |
|
300 | |||
295 | Note: a stateful version of this function is available through the |
|
301 | Note: a stateful version of this function is available through the | |
296 | SystemExec class.""" |
|
302 | SystemExec class.""" | |
297 |
|
303 | |||
298 | stat = 0 |
|
304 | stat = 0 | |
299 | if verbose or debug: print header+cmd |
|
305 | if verbose or debug: print header+cmd | |
300 | sys.stdout.flush() |
|
306 | sys.stdout.flush() | |
301 | if not debug: stat = os.system(cmd) |
|
307 | if not debug: stat = os.system(cmd) | |
302 | return stat |
|
308 | return stat | |
303 |
|
309 | |||
304 | def abbrev_cwd(): |
|
310 | def abbrev_cwd(): | |
305 | """ Return abbreviated version of cwd, e.g. d:mydir """ |
|
311 | """ Return abbreviated version of cwd, e.g. d:mydir """ | |
306 | cwd = os.getcwd().replace('\\','/') |
|
312 | cwd = os.getcwd().replace('\\','/') | |
307 | drivepart = '' |
|
313 | drivepart = '' | |
308 | tail = cwd |
|
314 | tail = cwd | |
309 | if sys.platform == 'win32': |
|
315 | if sys.platform == 'win32': | |
310 | if len(cwd) < 4: |
|
316 | if len(cwd) < 4: | |
311 | return cwd |
|
317 | return cwd | |
312 | drivepart,tail = os.path.splitdrive(cwd) |
|
318 | drivepart,tail = os.path.splitdrive(cwd) | |
313 |
|
319 | |||
314 |
|
320 | |||
315 | parts = tail.split('/') |
|
321 | parts = tail.split('/') | |
316 | if len(parts) > 2: |
|
322 | if len(parts) > 2: | |
317 | tail = '/'.join(parts[-2:]) |
|
323 | tail = '/'.join(parts[-2:]) | |
318 |
|
324 | |||
319 | return (drivepart + ( |
|
325 | return (drivepart + ( | |
320 | cwd == '/' and '/' or tail)) |
|
326 | cwd == '/' and '/' or tail)) | |
321 |
|
327 | |||
322 |
|
328 | |||
323 | # This function is used by ipython in a lot of places to make system calls. |
|
329 | # This function is used by ipython in a lot of places to make system calls. | |
324 | # We need it to be slightly different under win32, due to the vagaries of |
|
330 | # We need it to be slightly different under win32, due to the vagaries of | |
325 | # 'network shares'. A win32 override is below. |
|
331 | # 'network shares'. A win32 override is below. | |
326 |
|
332 | |||
327 | def shell(cmd,verbose=0,debug=0,header=''): |
|
333 | def shell(cmd,verbose=0,debug=0,header=''): | |
328 | """Execute a command in the system shell, always return None. |
|
334 | """Execute a command in the system shell, always return None. | |
329 |
|
335 | |||
330 | Options: |
|
336 | Options: | |
331 |
|
337 | |||
332 | - verbose (0): print the command to be executed. |
|
338 | - verbose (0): print the command to be executed. | |
333 |
|
339 | |||
334 | - debug (0): only print, do not actually execute. |
|
340 | - debug (0): only print, do not actually execute. | |
335 |
|
341 | |||
336 | - header (''): Header to print on screen prior to the executed command (it |
|
342 | - header (''): Header to print on screen prior to the executed command (it | |
337 | is only prepended to the command, no newlines are added). |
|
343 | is only prepended to the command, no newlines are added). | |
338 |
|
344 | |||
339 | Note: this is similar to genutils.system(), but it returns None so it can |
|
345 | Note: this is similar to genutils.system(), but it returns None so it can | |
340 | be conveniently used in interactive loops without getting the return value |
|
346 | be conveniently used in interactive loops without getting the return value | |
341 | (typically 0) printed many times.""" |
|
347 | (typically 0) printed many times.""" | |
342 |
|
348 | |||
343 | stat = 0 |
|
349 | stat = 0 | |
344 | if verbose or debug: print header+cmd |
|
350 | if verbose or debug: print header+cmd | |
345 | # flush stdout so we don't mangle python's buffering |
|
351 | # flush stdout so we don't mangle python's buffering | |
346 | sys.stdout.flush() |
|
352 | sys.stdout.flush() | |
347 |
|
353 | |||
348 | if not debug: |
|
354 | if not debug: | |
349 | platutils.set_term_title("IPy " + cmd) |
|
355 | platutils.set_term_title("IPy " + cmd) | |
350 | os.system(cmd) |
|
356 | os.system(cmd) | |
351 | platutils.set_term_title("IPy " + abbrev_cwd()) |
|
357 | platutils.set_term_title("IPy " + abbrev_cwd()) | |
352 |
|
358 | |||
353 | # override shell() for win32 to deal with network shares |
|
359 | # override shell() for win32 to deal with network shares | |
354 | if os.name in ('nt','dos'): |
|
360 | if os.name in ('nt','dos'): | |
355 |
|
361 | |||
356 | shell_ori = shell |
|
362 | shell_ori = shell | |
357 |
|
363 | |||
358 | def shell(cmd,verbose=0,debug=0,header=''): |
|
364 | def shell(cmd,verbose=0,debug=0,header=''): | |
359 | if os.getcwd().startswith(r"\\"): |
|
365 | if os.getcwd().startswith(r"\\"): | |
360 | path = os.getcwd() |
|
366 | path = os.getcwd() | |
361 | # change to c drive (cannot be on UNC-share when issuing os.system, |
|
367 | # change to c drive (cannot be on UNC-share when issuing os.system, | |
362 | # as cmd.exe cannot handle UNC addresses) |
|
368 | # as cmd.exe cannot handle UNC addresses) | |
363 | os.chdir("c:") |
|
369 | os.chdir("c:") | |
364 | # issue pushd to the UNC-share and then run the command |
|
370 | # issue pushd to the UNC-share and then run the command | |
365 | try: |
|
371 | try: | |
366 | shell_ori('"pushd %s&&"'%path+cmd,verbose,debug,header) |
|
372 | shell_ori('"pushd %s&&"'%path+cmd,verbose,debug,header) | |
367 | finally: |
|
373 | finally: | |
368 | os.chdir(path) |
|
374 | os.chdir(path) | |
369 | else: |
|
375 | else: | |
370 | shell_ori(cmd,verbose,debug,header) |
|
376 | shell_ori(cmd,verbose,debug,header) | |
371 |
|
377 | |||
372 | shell.__doc__ = shell_ori.__doc__ |
|
378 | shell.__doc__ = shell_ori.__doc__ | |
373 |
|
379 | |||
374 | def getoutput(cmd,verbose=0,debug=0,header='',split=0): |
|
380 | def getoutput(cmd,verbose=0,debug=0,header='',split=0): | |
375 | """Dummy substitute for perl's backquotes. |
|
381 | """Dummy substitute for perl's backquotes. | |
376 |
|
382 | |||
377 | Executes a command and returns the output. |
|
383 | Executes a command and returns the output. | |
378 |
|
384 | |||
379 | Accepts the same arguments as system(), plus: |
|
385 | Accepts the same arguments as system(), plus: | |
380 |
|
386 | |||
381 | - split(0): if true, the output is returned as a list split on newlines. |
|
387 | - split(0): if true, the output is returned as a list split on newlines. | |
382 |
|
388 | |||
383 | Note: a stateful version of this function is available through the |
|
389 | Note: a stateful version of this function is available through the | |
384 | SystemExec class. |
|
390 | SystemExec class. | |
385 |
|
391 | |||
386 | This is pretty much deprecated and rarely used, |
|
392 | This is pretty much deprecated and rarely used, | |
387 | genutils.getoutputerror may be what you need. |
|
393 | genutils.getoutputerror may be what you need. | |
388 |
|
394 | |||
389 | """ |
|
395 | """ | |
390 |
|
396 | |||
391 | if verbose or debug: print header+cmd |
|
397 | if verbose or debug: print header+cmd | |
392 | if not debug: |
|
398 | if not debug: | |
393 | output = os.popen(cmd).read() |
|
399 | output = os.popen(cmd).read() | |
394 | # stipping last \n is here for backwards compat. |
|
400 | # stipping last \n is here for backwards compat. | |
395 | if output.endswith('\n'): |
|
401 | if output.endswith('\n'): | |
396 | output = output[:-1] |
|
402 | output = output[:-1] | |
397 | if split: |
|
403 | if split: | |
398 | return output.split('\n') |
|
404 | return output.split('\n') | |
399 | else: |
|
405 | else: | |
400 | return output |
|
406 | return output | |
401 |
|
407 | |||
402 | def getoutputerror(cmd,verbose=0,debug=0,header='',split=0): |
|
408 | def getoutputerror(cmd,verbose=0,debug=0,header='',split=0): | |
403 | """Return (standard output,standard error) of executing cmd in a shell. |
|
409 | """Return (standard output,standard error) of executing cmd in a shell. | |
404 |
|
410 | |||
405 | Accepts the same arguments as system(), plus: |
|
411 | Accepts the same arguments as system(), plus: | |
406 |
|
412 | |||
407 | - split(0): if true, each of stdout/err is returned as a list split on |
|
413 | - split(0): if true, each of stdout/err is returned as a list split on | |
408 | newlines. |
|
414 | newlines. | |
409 |
|
415 | |||
410 | Note: a stateful version of this function is available through the |
|
416 | Note: a stateful version of this function is available through the | |
411 | SystemExec class.""" |
|
417 | SystemExec class.""" | |
412 |
|
418 | |||
413 | if verbose or debug: print header+cmd |
|
419 | if verbose or debug: print header+cmd | |
414 | if not cmd: |
|
420 | if not cmd: | |
415 | if split: |
|
421 | if split: | |
416 | return [],[] |
|
422 | return [],[] | |
417 | else: |
|
423 | else: | |
418 | return '','' |
|
424 | return '','' | |
419 | if not debug: |
|
425 | if not debug: | |
420 | pin,pout,perr = os.popen3(cmd) |
|
426 | pin,pout,perr = os.popen3(cmd) | |
421 | tout = pout.read().rstrip() |
|
427 | tout = pout.read().rstrip() | |
422 | terr = perr.read().rstrip() |
|
428 | terr = perr.read().rstrip() | |
423 | pin.close() |
|
429 | pin.close() | |
424 | pout.close() |
|
430 | pout.close() | |
425 | perr.close() |
|
431 | perr.close() | |
426 | if split: |
|
432 | if split: | |
427 | return tout.split('\n'),terr.split('\n') |
|
433 | return tout.split('\n'),terr.split('\n') | |
428 | else: |
|
434 | else: | |
429 | return tout,terr |
|
435 | return tout,terr | |
430 |
|
436 | |||
431 | # for compatibility with older naming conventions |
|
437 | # for compatibility with older naming conventions | |
432 | xsys = system |
|
438 | xsys = system | |
433 | bq = getoutput |
|
439 | bq = getoutput | |
434 |
|
440 | |||
435 | class SystemExec: |
|
441 | class SystemExec: | |
436 | """Access the system and getoutput functions through a stateful interface. |
|
442 | """Access the system and getoutput functions through a stateful interface. | |
437 |
|
443 | |||
438 | Note: here we refer to the system and getoutput functions from this |
|
444 | Note: here we refer to the system and getoutput functions from this | |
439 | library, not the ones from the standard python library. |
|
445 | library, not the ones from the standard python library. | |
440 |
|
446 | |||
441 | This class offers the system and getoutput functions as methods, but the |
|
447 | This class offers the system and getoutput functions as methods, but the | |
442 | verbose, debug and header parameters can be set for the instance (at |
|
448 | verbose, debug and header parameters can be set for the instance (at | |
443 | creation time or later) so that they don't need to be specified on each |
|
449 | creation time or later) so that they don't need to be specified on each | |
444 | call. |
|
450 | call. | |
445 |
|
451 | |||
446 | For efficiency reasons, there's no way to override the parameters on a |
|
452 | For efficiency reasons, there's no way to override the parameters on a | |
447 | per-call basis other than by setting instance attributes. If you need |
|
453 | per-call basis other than by setting instance attributes. If you need | |
448 | local overrides, it's best to directly call system() or getoutput(). |
|
454 | local overrides, it's best to directly call system() or getoutput(). | |
449 |
|
455 | |||
450 | The following names are provided as alternate options: |
|
456 | The following names are provided as alternate options: | |
451 | - xsys: alias to system |
|
457 | - xsys: alias to system | |
452 | - bq: alias to getoutput |
|
458 | - bq: alias to getoutput | |
453 |
|
459 | |||
454 | An instance can then be created as: |
|
460 | An instance can then be created as: | |
455 | >>> sysexec = SystemExec(verbose=1,debug=0,header='Calling: ') |
|
461 | >>> sysexec = SystemExec(verbose=1,debug=0,header='Calling: ') | |
456 |
|
462 | |||
457 | And used as: |
|
463 | And used as: | |
458 | >>> sysexec.xsys('pwd') |
|
464 | >>> sysexec.xsys('pwd') | |
459 | >>> dirlist = sysexec.bq('ls -l') |
|
465 | >>> dirlist = sysexec.bq('ls -l') | |
460 | """ |
|
466 | """ | |
461 |
|
467 | |||
462 | def __init__(self,verbose=0,debug=0,header='',split=0): |
|
468 | def __init__(self,verbose=0,debug=0,header='',split=0): | |
463 | """Specify the instance's values for verbose, debug and header.""" |
|
469 | """Specify the instance's values for verbose, debug and header.""" | |
464 | setattr_list(self,'verbose debug header split') |
|
470 | setattr_list(self,'verbose debug header split') | |
465 |
|
471 | |||
466 | def system(self,cmd): |
|
472 | def system(self,cmd): | |
467 | """Stateful interface to system(), with the same keyword parameters.""" |
|
473 | """Stateful interface to system(), with the same keyword parameters.""" | |
468 |
|
474 | |||
469 | system(cmd,self.verbose,self.debug,self.header) |
|
475 | system(cmd,self.verbose,self.debug,self.header) | |
470 |
|
476 | |||
471 | def shell(self,cmd): |
|
477 | def shell(self,cmd): | |
472 | """Stateful interface to shell(), with the same keyword parameters.""" |
|
478 | """Stateful interface to shell(), with the same keyword parameters.""" | |
473 |
|
479 | |||
474 | shell(cmd,self.verbose,self.debug,self.header) |
|
480 | shell(cmd,self.verbose,self.debug,self.header) | |
475 |
|
481 | |||
476 | xsys = system # alias |
|
482 | xsys = system # alias | |
477 |
|
483 | |||
478 | def getoutput(self,cmd): |
|
484 | def getoutput(self,cmd): | |
479 | """Stateful interface to getoutput().""" |
|
485 | """Stateful interface to getoutput().""" | |
480 |
|
486 | |||
481 | return getoutput(cmd,self.verbose,self.debug,self.header,self.split) |
|
487 | return getoutput(cmd,self.verbose,self.debug,self.header,self.split) | |
482 |
|
488 | |||
483 | def getoutputerror(self,cmd): |
|
489 | def getoutputerror(self,cmd): | |
484 | """Stateful interface to getoutputerror().""" |
|
490 | """Stateful interface to getoutputerror().""" | |
485 |
|
491 | |||
486 | return getoutputerror(cmd,self.verbose,self.debug,self.header,self.split) |
|
492 | return getoutputerror(cmd,self.verbose,self.debug,self.header,self.split) | |
487 |
|
493 | |||
488 | bq = getoutput # alias |
|
494 | bq = getoutput # alias | |
489 |
|
495 | |||
490 | #----------------------------------------------------------------------------- |
|
496 | #----------------------------------------------------------------------------- | |
491 | def mutex_opts(dict,ex_op): |
|
497 | def mutex_opts(dict,ex_op): | |
492 | """Check for presence of mutually exclusive keys in a dict. |
|
498 | """Check for presence of mutually exclusive keys in a dict. | |
493 |
|
499 | |||
494 | Call: mutex_opts(dict,[[op1a,op1b],[op2a,op2b]...]""" |
|
500 | Call: mutex_opts(dict,[[op1a,op1b],[op2a,op2b]...]""" | |
495 | for op1,op2 in ex_op: |
|
501 | for op1,op2 in ex_op: | |
496 | if op1 in dict and op2 in dict: |
|
502 | if op1 in dict and op2 in dict: | |
497 | raise ValueError,'\n*** ERROR in Arguments *** '\ |
|
503 | raise ValueError,'\n*** ERROR in Arguments *** '\ | |
498 | 'Options '+op1+' and '+op2+' are mutually exclusive.' |
|
504 | 'Options '+op1+' and '+op2+' are mutually exclusive.' | |
499 |
|
505 | |||
500 | #----------------------------------------------------------------------------- |
|
506 | #----------------------------------------------------------------------------- | |
501 | def get_py_filename(name): |
|
507 | def get_py_filename(name): | |
502 | """Return a valid python filename in the current directory. |
|
508 | """Return a valid python filename in the current directory. | |
503 |
|
509 | |||
504 | If the given name is not a file, it adds '.py' and searches again. |
|
510 | If the given name is not a file, it adds '.py' and searches again. | |
505 | Raises IOError with an informative message if the file isn't found.""" |
|
511 | Raises IOError with an informative message if the file isn't found.""" | |
506 |
|
512 | |||
507 | name = os.path.expanduser(name) |
|
513 | name = os.path.expanduser(name) | |
508 | if not os.path.isfile(name) and not name.endswith('.py'): |
|
514 | if not os.path.isfile(name) and not name.endswith('.py'): | |
509 | name += '.py' |
|
515 | name += '.py' | |
510 | if os.path.isfile(name): |
|
516 | if os.path.isfile(name): | |
511 | return name |
|
517 | return name | |
512 | else: |
|
518 | else: | |
513 | raise IOError,'File `%s` not found.' % name |
|
519 | raise IOError,'File `%s` not found.' % name | |
514 |
|
520 | |||
515 | #----------------------------------------------------------------------------- |
|
521 | #----------------------------------------------------------------------------- | |
516 | def filefind(fname,alt_dirs = None): |
|
522 | def filefind(fname,alt_dirs = None): | |
517 | """Return the given filename either in the current directory, if it |
|
523 | """Return the given filename either in the current directory, if it | |
518 | exists, or in a specified list of directories. |
|
524 | exists, or in a specified list of directories. | |
519 |
|
525 | |||
520 | ~ expansion is done on all file and directory names. |
|
526 | ~ expansion is done on all file and directory names. | |
521 |
|
527 | |||
522 | Upon an unsuccessful search, raise an IOError exception.""" |
|
528 | Upon an unsuccessful search, raise an IOError exception.""" | |
523 |
|
529 | |||
524 | if alt_dirs is None: |
|
530 | if alt_dirs is None: | |
525 | try: |
|
531 | try: | |
526 | alt_dirs = get_home_dir() |
|
532 | alt_dirs = get_home_dir() | |
527 | except HomeDirError: |
|
533 | except HomeDirError: | |
528 | alt_dirs = os.getcwd() |
|
534 | alt_dirs = os.getcwd() | |
529 | search = [fname] + list_strings(alt_dirs) |
|
535 | search = [fname] + list_strings(alt_dirs) | |
530 | search = map(os.path.expanduser,search) |
|
536 | search = map(os.path.expanduser,search) | |
531 | #print 'search list for',fname,'list:',search # dbg |
|
537 | #print 'search list for',fname,'list:',search # dbg | |
532 | fname = search[0] |
|
538 | fname = search[0] | |
533 | if os.path.isfile(fname): |
|
539 | if os.path.isfile(fname): | |
534 | return fname |
|
540 | return fname | |
535 | for direc in search[1:]: |
|
541 | for direc in search[1:]: | |
536 | testname = os.path.join(direc,fname) |
|
542 | testname = os.path.join(direc,fname) | |
537 | #print 'testname',testname # dbg |
|
543 | #print 'testname',testname # dbg | |
538 | if os.path.isfile(testname): |
|
544 | if os.path.isfile(testname): | |
539 | return testname |
|
545 | return testname | |
540 | raise IOError,'File' + `fname` + \ |
|
546 | raise IOError,'File' + `fname` + \ | |
541 | ' not found in current or supplied directories:' + `alt_dirs` |
|
547 | ' not found in current or supplied directories:' + `alt_dirs` | |
542 |
|
548 | |||
543 | #---------------------------------------------------------------------------- |
|
549 | #---------------------------------------------------------------------------- | |
544 | def file_read(filename): |
|
550 | def file_read(filename): | |
545 | """Read a file and close it. Returns the file source.""" |
|
551 | """Read a file and close it. Returns the file source.""" | |
546 | fobj = open(filename,'r'); |
|
552 | fobj = open(filename,'r'); | |
547 | source = fobj.read(); |
|
553 | source = fobj.read(); | |
548 | fobj.close() |
|
554 | fobj.close() | |
549 | return source |
|
555 | return source | |
550 |
|
556 | |||
551 | def file_readlines(filename): |
|
557 | def file_readlines(filename): | |
552 | """Read a file and close it. Returns the file source using readlines().""" |
|
558 | """Read a file and close it. Returns the file source using readlines().""" | |
553 | fobj = open(filename,'r'); |
|
559 | fobj = open(filename,'r'); | |
554 | lines = fobj.readlines(); |
|
560 | lines = fobj.readlines(); | |
555 | fobj.close() |
|
561 | fobj.close() | |
556 | return lines |
|
562 | return lines | |
557 |
|
563 | |||
558 | #---------------------------------------------------------------------------- |
|
564 | #---------------------------------------------------------------------------- | |
559 | def target_outdated(target,deps): |
|
565 | def target_outdated(target,deps): | |
560 | """Determine whether a target is out of date. |
|
566 | """Determine whether a target is out of date. | |
561 |
|
567 | |||
562 | target_outdated(target,deps) -> 1/0 |
|
568 | target_outdated(target,deps) -> 1/0 | |
563 |
|
569 | |||
564 | deps: list of filenames which MUST exist. |
|
570 | deps: list of filenames which MUST exist. | |
565 | target: single filename which may or may not exist. |
|
571 | target: single filename which may or may not exist. | |
566 |
|
572 | |||
567 | If target doesn't exist or is older than any file listed in deps, return |
|
573 | If target doesn't exist or is older than any file listed in deps, return | |
568 | true, otherwise return false. |
|
574 | true, otherwise return false. | |
569 | """ |
|
575 | """ | |
570 | try: |
|
576 | try: | |
571 | target_time = os.path.getmtime(target) |
|
577 | target_time = os.path.getmtime(target) | |
572 | except os.error: |
|
578 | except os.error: | |
573 | return 1 |
|
579 | return 1 | |
574 | for dep in deps: |
|
580 | for dep in deps: | |
575 | dep_time = os.path.getmtime(dep) |
|
581 | dep_time = os.path.getmtime(dep) | |
576 | if dep_time > target_time: |
|
582 | if dep_time > target_time: | |
577 | #print "For target",target,"Dep failed:",dep # dbg |
|
583 | #print "For target",target,"Dep failed:",dep # dbg | |
578 | #print "times (dep,tar):",dep_time,target_time # dbg |
|
584 | #print "times (dep,tar):",dep_time,target_time # dbg | |
579 | return 1 |
|
585 | return 1 | |
580 | return 0 |
|
586 | return 0 | |
581 |
|
587 | |||
582 | #----------------------------------------------------------------------------- |
|
588 | #----------------------------------------------------------------------------- | |
583 | def target_update(target,deps,cmd): |
|
589 | def target_update(target,deps,cmd): | |
584 | """Update a target with a given command given a list of dependencies. |
|
590 | """Update a target with a given command given a list of dependencies. | |
585 |
|
591 | |||
586 | target_update(target,deps,cmd) -> runs cmd if target is outdated. |
|
592 | target_update(target,deps,cmd) -> runs cmd if target is outdated. | |
587 |
|
593 | |||
588 | This is just a wrapper around target_outdated() which calls the given |
|
594 | This is just a wrapper around target_outdated() which calls the given | |
589 | command if target is outdated.""" |
|
595 | command if target is outdated.""" | |
590 |
|
596 | |||
591 | if target_outdated(target,deps): |
|
597 | if target_outdated(target,deps): | |
592 | xsys(cmd) |
|
598 | xsys(cmd) | |
593 |
|
599 | |||
594 | #---------------------------------------------------------------------------- |
|
600 | #---------------------------------------------------------------------------- | |
595 | def unquote_ends(istr): |
|
601 | def unquote_ends(istr): | |
596 | """Remove a single pair of quotes from the endpoints of a string.""" |
|
602 | """Remove a single pair of quotes from the endpoints of a string.""" | |
597 |
|
603 | |||
598 | if not istr: |
|
604 | if not istr: | |
599 | return istr |
|
605 | return istr | |
600 | if (istr[0]=="'" and istr[-1]=="'") or \ |
|
606 | if (istr[0]=="'" and istr[-1]=="'") or \ | |
601 | (istr[0]=='"' and istr[-1]=='"'): |
|
607 | (istr[0]=='"' and istr[-1]=='"'): | |
602 | return istr[1:-1] |
|
608 | return istr[1:-1] | |
603 | else: |
|
609 | else: | |
604 | return istr |
|
610 | return istr | |
605 |
|
611 | |||
606 | #---------------------------------------------------------------------------- |
|
612 | #---------------------------------------------------------------------------- | |
607 | def process_cmdline(argv,names=[],defaults={},usage=''): |
|
613 | def process_cmdline(argv,names=[],defaults={},usage=''): | |
608 | """ Process command-line options and arguments. |
|
614 | """ Process command-line options and arguments. | |
609 |
|
615 | |||
610 | Arguments: |
|
616 | Arguments: | |
611 |
|
617 | |||
612 | - argv: list of arguments, typically sys.argv. |
|
618 | - argv: list of arguments, typically sys.argv. | |
613 |
|
619 | |||
614 | - names: list of option names. See DPyGetOpt docs for details on options |
|
620 | - names: list of option names. See DPyGetOpt docs for details on options | |
615 | syntax. |
|
621 | syntax. | |
616 |
|
622 | |||
617 | - defaults: dict of default values. |
|
623 | - defaults: dict of default values. | |
618 |
|
624 | |||
619 | - usage: optional usage notice to print if a wrong argument is passed. |
|
625 | - usage: optional usage notice to print if a wrong argument is passed. | |
620 |
|
626 | |||
621 | Return a dict of options and a list of free arguments.""" |
|
627 | Return a dict of options and a list of free arguments.""" | |
622 |
|
628 | |||
623 | getopt = DPyGetOpt.DPyGetOpt() |
|
629 | getopt = DPyGetOpt.DPyGetOpt() | |
624 | getopt.setIgnoreCase(0) |
|
630 | getopt.setIgnoreCase(0) | |
625 | getopt.parseConfiguration(names) |
|
631 | getopt.parseConfiguration(names) | |
626 |
|
632 | |||
627 | try: |
|
633 | try: | |
628 | getopt.processArguments(argv) |
|
634 | getopt.processArguments(argv) | |
629 | except DPyGetOpt.ArgumentError, exc: |
|
635 | except DPyGetOpt.ArgumentError, exc: | |
630 | print usage |
|
636 | print usage | |
631 | warn('"%s"' % exc,level=4) |
|
637 | warn('"%s"' % exc,level=4) | |
632 |
|
638 | |||
633 | defaults.update(getopt.optionValues) |
|
639 | defaults.update(getopt.optionValues) | |
634 | args = getopt.freeValues |
|
640 | args = getopt.freeValues | |
635 |
|
641 | |||
636 | return defaults,args |
|
642 | return defaults,args | |
637 |
|
643 | |||
638 | #---------------------------------------------------------------------------- |
|
644 | #---------------------------------------------------------------------------- | |
639 | def optstr2types(ostr): |
|
645 | def optstr2types(ostr): | |
640 | """Convert a string of option names to a dict of type mappings. |
|
646 | """Convert a string of option names to a dict of type mappings. | |
641 |
|
647 | |||
642 | optstr2types(str) -> {None:'string_opts',int:'int_opts',float:'float_opts'} |
|
648 | optstr2types(str) -> {None:'string_opts',int:'int_opts',float:'float_opts'} | |
643 |
|
649 | |||
644 | This is used to get the types of all the options in a string formatted |
|
650 | This is used to get the types of all the options in a string formatted | |
645 | with the conventions of DPyGetOpt. The 'type' None is used for options |
|
651 | with the conventions of DPyGetOpt. The 'type' None is used for options | |
646 | which are strings (they need no further conversion). This function's main |
|
652 | which are strings (they need no further conversion). This function's main | |
647 | use is to get a typemap for use with read_dict(). |
|
653 | use is to get a typemap for use with read_dict(). | |
648 | """ |
|
654 | """ | |
649 |
|
655 | |||
650 | typeconv = {None:'',int:'',float:''} |
|
656 | typeconv = {None:'',int:'',float:''} | |
651 | typemap = {'s':None,'i':int,'f':float} |
|
657 | typemap = {'s':None,'i':int,'f':float} | |
652 | opt_re = re.compile(r'([\w]*)([^:=]*:?=?)([sif]?)') |
|
658 | opt_re = re.compile(r'([\w]*)([^:=]*:?=?)([sif]?)') | |
653 |
|
659 | |||
654 | for w in ostr.split(): |
|
660 | for w in ostr.split(): | |
655 | oname,alias,otype = opt_re.match(w).groups() |
|
661 | oname,alias,otype = opt_re.match(w).groups() | |
656 | if otype == '' or alias == '!': # simple switches are integers too |
|
662 | if otype == '' or alias == '!': # simple switches are integers too | |
657 | otype = 'i' |
|
663 | otype = 'i' | |
658 | typeconv[typemap[otype]] += oname + ' ' |
|
664 | typeconv[typemap[otype]] += oname + ' ' | |
659 | return typeconv |
|
665 | return typeconv | |
660 |
|
666 | |||
661 | #---------------------------------------------------------------------------- |
|
667 | #---------------------------------------------------------------------------- | |
662 | def read_dict(filename,type_conv=None,**opt): |
|
668 | def read_dict(filename,type_conv=None,**opt): | |
663 |
|
669 | |||
664 | """Read a dictionary of key=value pairs from an input file, optionally |
|
670 | """Read a dictionary of key=value pairs from an input file, optionally | |
665 | performing conversions on the resulting values. |
|
671 | performing conversions on the resulting values. | |
666 |
|
672 | |||
667 | read_dict(filename,type_conv,**opt) -> dict |
|
673 | read_dict(filename,type_conv,**opt) -> dict | |
668 |
|
674 | |||
669 | Only one value per line is accepted, the format should be |
|
675 | Only one value per line is accepted, the format should be | |
670 | # optional comments are ignored |
|
676 | # optional comments are ignored | |
671 | key value\n |
|
677 | key value\n | |
672 |
|
678 | |||
673 | Args: |
|
679 | Args: | |
674 |
|
680 | |||
675 | - type_conv: A dictionary specifying which keys need to be converted to |
|
681 | - type_conv: A dictionary specifying which keys need to be converted to | |
676 | which types. By default all keys are read as strings. This dictionary |
|
682 | which types. By default all keys are read as strings. This dictionary | |
677 | should have as its keys valid conversion functions for strings |
|
683 | should have as its keys valid conversion functions for strings | |
678 | (int,long,float,complex, or your own). The value for each key |
|
684 | (int,long,float,complex, or your own). The value for each key | |
679 | (converter) should be a whitespace separated string containing the names |
|
685 | (converter) should be a whitespace separated string containing the names | |
680 | of all the entries in the file to be converted using that function. For |
|
686 | of all the entries in the file to be converted using that function. For | |
681 | keys to be left alone, use None as the conversion function (only needed |
|
687 | keys to be left alone, use None as the conversion function (only needed | |
682 | with purge=1, see below). |
|
688 | with purge=1, see below). | |
683 |
|
689 | |||
684 | - opt: dictionary with extra options as below (default in parens) |
|
690 | - opt: dictionary with extra options as below (default in parens) | |
685 |
|
691 | |||
686 | purge(0): if set to 1, all keys *not* listed in type_conv are purged out |
|
692 | purge(0): if set to 1, all keys *not* listed in type_conv are purged out | |
687 | of the dictionary to be returned. If purge is going to be used, the |
|
693 | of the dictionary to be returned. If purge is going to be used, the | |
688 | set of keys to be left as strings also has to be explicitly specified |
|
694 | set of keys to be left as strings also has to be explicitly specified | |
689 | using the (non-existent) conversion function None. |
|
695 | using the (non-existent) conversion function None. | |
690 |
|
696 | |||
691 | fs(None): field separator. This is the key/value separator to be used |
|
697 | fs(None): field separator. This is the key/value separator to be used | |
692 | when parsing the file. The None default means any whitespace [behavior |
|
698 | when parsing the file. The None default means any whitespace [behavior | |
693 | of string.split()]. |
|
699 | of string.split()]. | |
694 |
|
700 | |||
695 | strip(0): if 1, strip string values of leading/trailinig whitespace. |
|
701 | strip(0): if 1, strip string values of leading/trailinig whitespace. | |
696 |
|
702 | |||
697 | warn(1): warning level if requested keys are not found in file. |
|
703 | warn(1): warning level if requested keys are not found in file. | |
698 | - 0: silently ignore. |
|
704 | - 0: silently ignore. | |
699 | - 1: inform but proceed. |
|
705 | - 1: inform but proceed. | |
700 | - 2: raise KeyError exception. |
|
706 | - 2: raise KeyError exception. | |
701 |
|
707 | |||
702 | no_empty(0): if 1, remove keys with whitespace strings as a value. |
|
708 | no_empty(0): if 1, remove keys with whitespace strings as a value. | |
703 |
|
709 | |||
704 | unique([]): list of keys (or space separated string) which can't be |
|
710 | unique([]): list of keys (or space separated string) which can't be | |
705 | repeated. If one such key is found in the file, each new instance |
|
711 | repeated. If one such key is found in the file, each new instance | |
706 | overwrites the previous one. For keys not listed here, the behavior is |
|
712 | overwrites the previous one. For keys not listed here, the behavior is | |
707 | to make a list of all appearances. |
|
713 | to make a list of all appearances. | |
708 |
|
714 | |||
709 | Example: |
|
715 | Example: | |
710 | If the input file test.ini has: |
|
716 | If the input file test.ini has: | |
711 | i 3 |
|
717 | i 3 | |
712 | x 4.5 |
|
718 | x 4.5 | |
713 | y 5.5 |
|
719 | y 5.5 | |
714 | s hi ho |
|
720 | s hi ho | |
715 | Then: |
|
721 | Then: | |
716 |
|
722 | |||
717 | >>> type_conv={int:'i',float:'x',None:'s'} |
|
723 | >>> type_conv={int:'i',float:'x',None:'s'} | |
718 | >>> read_dict('test.ini') |
|
724 | >>> read_dict('test.ini') | |
719 | {'i': '3', 's': 'hi ho', 'x': '4.5', 'y': '5.5'} |
|
725 | {'i': '3', 's': 'hi ho', 'x': '4.5', 'y': '5.5'} | |
720 | >>> read_dict('test.ini',type_conv) |
|
726 | >>> read_dict('test.ini',type_conv) | |
721 | {'i': 3, 's': 'hi ho', 'x': 4.5, 'y': '5.5'} |
|
727 | {'i': 3, 's': 'hi ho', 'x': 4.5, 'y': '5.5'} | |
722 | >>> read_dict('test.ini',type_conv,purge=1) |
|
728 | >>> read_dict('test.ini',type_conv,purge=1) | |
723 | {'i': 3, 's': 'hi ho', 'x': 4.5} |
|
729 | {'i': 3, 's': 'hi ho', 'x': 4.5} | |
724 | """ |
|
730 | """ | |
725 |
|
731 | |||
726 | # starting config |
|
732 | # starting config | |
727 | opt.setdefault('purge',0) |
|
733 | opt.setdefault('purge',0) | |
728 | opt.setdefault('fs',None) # field sep defaults to any whitespace |
|
734 | opt.setdefault('fs',None) # field sep defaults to any whitespace | |
729 | opt.setdefault('strip',0) |
|
735 | opt.setdefault('strip',0) | |
730 | opt.setdefault('warn',1) |
|
736 | opt.setdefault('warn',1) | |
731 | opt.setdefault('no_empty',0) |
|
737 | opt.setdefault('no_empty',0) | |
732 | opt.setdefault('unique','') |
|
738 | opt.setdefault('unique','') | |
733 | if type(opt['unique']) in StringTypes: |
|
739 | if type(opt['unique']) in StringTypes: | |
734 | unique_keys = qw(opt['unique']) |
|
740 | unique_keys = qw(opt['unique']) | |
735 | elif type(opt['unique']) in (types.TupleType,types.ListType): |
|
741 | elif type(opt['unique']) in (types.TupleType,types.ListType): | |
736 | unique_keys = opt['unique'] |
|
742 | unique_keys = opt['unique'] | |
737 | else: |
|
743 | else: | |
738 | raise ValueError, 'Unique keys must be given as a string, List or Tuple' |
|
744 | raise ValueError, 'Unique keys must be given as a string, List or Tuple' | |
739 |
|
745 | |||
740 | dict = {} |
|
746 | dict = {} | |
741 | # first read in table of values as strings |
|
747 | # first read in table of values as strings | |
742 | file = open(filename,'r') |
|
748 | file = open(filename,'r') | |
743 | for line in file.readlines(): |
|
749 | for line in file.readlines(): | |
744 | line = line.strip() |
|
750 | line = line.strip() | |
745 | if len(line) and line[0]=='#': continue |
|
751 | if len(line) and line[0]=='#': continue | |
746 | if len(line)>0: |
|
752 | if len(line)>0: | |
747 | lsplit = line.split(opt['fs'],1) |
|
753 | lsplit = line.split(opt['fs'],1) | |
748 | try: |
|
754 | try: | |
749 | key,val = lsplit |
|
755 | key,val = lsplit | |
750 | except ValueError: |
|
756 | except ValueError: | |
751 | key,val = lsplit[0],'' |
|
757 | key,val = lsplit[0],'' | |
752 | key = key.strip() |
|
758 | key = key.strip() | |
753 | if opt['strip']: val = val.strip() |
|
759 | if opt['strip']: val = val.strip() | |
754 | if val == "''" or val == '""': val = '' |
|
760 | if val == "''" or val == '""': val = '' | |
755 | if opt['no_empty'] and (val=='' or val.isspace()): |
|
761 | if opt['no_empty'] and (val=='' or val.isspace()): | |
756 | continue |
|
762 | continue | |
757 | # if a key is found more than once in the file, build a list |
|
763 | # if a key is found more than once in the file, build a list | |
758 | # unless it's in the 'unique' list. In that case, last found in file |
|
764 | # unless it's in the 'unique' list. In that case, last found in file | |
759 | # takes precedence. User beware. |
|
765 | # takes precedence. User beware. | |
760 | try: |
|
766 | try: | |
761 | if dict[key] and key in unique_keys: |
|
767 | if dict[key] and key in unique_keys: | |
762 | dict[key] = val |
|
768 | dict[key] = val | |
763 | elif type(dict[key]) is types.ListType: |
|
769 | elif type(dict[key]) is types.ListType: | |
764 | dict[key].append(val) |
|
770 | dict[key].append(val) | |
765 | else: |
|
771 | else: | |
766 | dict[key] = [dict[key],val] |
|
772 | dict[key] = [dict[key],val] | |
767 | except KeyError: |
|
773 | except KeyError: | |
768 | dict[key] = val |
|
774 | dict[key] = val | |
769 | # purge if requested |
|
775 | # purge if requested | |
770 | if opt['purge']: |
|
776 | if opt['purge']: | |
771 | accepted_keys = qwflat(type_conv.values()) |
|
777 | accepted_keys = qwflat(type_conv.values()) | |
772 | for key in dict.keys(): |
|
778 | for key in dict.keys(): | |
773 | if key in accepted_keys: continue |
|
779 | if key in accepted_keys: continue | |
774 | del(dict[key]) |
|
780 | del(dict[key]) | |
775 | # now convert if requested |
|
781 | # now convert if requested | |
776 | if type_conv==None: return dict |
|
782 | if type_conv==None: return dict | |
777 | conversions = type_conv.keys() |
|
783 | conversions = type_conv.keys() | |
778 | try: conversions.remove(None) |
|
784 | try: conversions.remove(None) | |
779 | except: pass |
|
785 | except: pass | |
780 | for convert in conversions: |
|
786 | for convert in conversions: | |
781 | for val in qw(type_conv[convert]): |
|
787 | for val in qw(type_conv[convert]): | |
782 | try: |
|
788 | try: | |
783 | dict[val] = convert(dict[val]) |
|
789 | dict[val] = convert(dict[val]) | |
784 | except KeyError,e: |
|
790 | except KeyError,e: | |
785 | if opt['warn'] == 0: |
|
791 | if opt['warn'] == 0: | |
786 | pass |
|
792 | pass | |
787 | elif opt['warn'] == 1: |
|
793 | elif opt['warn'] == 1: | |
788 | print >>sys.stderr, 'Warning: key',val,\ |
|
794 | print >>sys.stderr, 'Warning: key',val,\ | |
789 | 'not found in file',filename |
|
795 | 'not found in file',filename | |
790 | elif opt['warn'] == 2: |
|
796 | elif opt['warn'] == 2: | |
791 | raise KeyError,e |
|
797 | raise KeyError,e | |
792 | else: |
|
798 | else: | |
793 | raise ValueError,'Warning level must be 0,1 or 2' |
|
799 | raise ValueError,'Warning level must be 0,1 or 2' | |
794 |
|
800 | |||
795 | return dict |
|
801 | return dict | |
796 |
|
802 | |||
797 | #---------------------------------------------------------------------------- |
|
803 | #---------------------------------------------------------------------------- | |
798 | def flag_calls(func): |
|
804 | def flag_calls(func): | |
799 | """Wrap a function to detect and flag when it gets called. |
|
805 | """Wrap a function to detect and flag when it gets called. | |
800 |
|
806 | |||
801 | This is a decorator which takes a function and wraps it in a function with |
|
807 | This is a decorator which takes a function and wraps it in a function with | |
802 | a 'called' attribute. wrapper.called is initialized to False. |
|
808 | a 'called' attribute. wrapper.called is initialized to False. | |
803 |
|
809 | |||
804 | The wrapper.called attribute is set to False right before each call to the |
|
810 | The wrapper.called attribute is set to False right before each call to the | |
805 | wrapped function, so if the call fails it remains False. After the call |
|
811 | wrapped function, so if the call fails it remains False. After the call | |
806 | completes, wrapper.called is set to True and the output is returned. |
|
812 | completes, wrapper.called is set to True and the output is returned. | |
807 |
|
813 | |||
808 | Testing for truth in wrapper.called allows you to determine if a call to |
|
814 | Testing for truth in wrapper.called allows you to determine if a call to | |
809 | func() was attempted and succeeded.""" |
|
815 | func() was attempted and succeeded.""" | |
810 |
|
816 | |||
811 | def wrapper(*args,**kw): |
|
817 | def wrapper(*args,**kw): | |
812 | wrapper.called = False |
|
818 | wrapper.called = False | |
813 | out = func(*args,**kw) |
|
819 | out = func(*args,**kw) | |
814 | wrapper.called = True |
|
820 | wrapper.called = True | |
815 | return out |
|
821 | return out | |
816 |
|
822 | |||
817 | wrapper.called = False |
|
823 | wrapper.called = False | |
818 | wrapper.__doc__ = func.__doc__ |
|
824 | wrapper.__doc__ = func.__doc__ | |
819 | return wrapper |
|
825 | return wrapper | |
820 |
|
826 | |||
821 | #---------------------------------------------------------------------------- |
|
827 | #---------------------------------------------------------------------------- | |
822 | def dhook_wrap(func,*a,**k): |
|
828 | def dhook_wrap(func,*a,**k): | |
823 | """Wrap a function call in a sys.displayhook controller. |
|
829 | """Wrap a function call in a sys.displayhook controller. | |
824 |
|
830 | |||
825 | Returns a wrapper around func which calls func, with all its arguments and |
|
831 | Returns a wrapper around func which calls func, with all its arguments and | |
826 | keywords unmodified, using the default sys.displayhook. Since IPython |
|
832 | keywords unmodified, using the default sys.displayhook. Since IPython | |
827 | modifies sys.displayhook, it breaks the behavior of certain systems that |
|
833 | modifies sys.displayhook, it breaks the behavior of certain systems that | |
828 | rely on the default behavior, notably doctest. |
|
834 | rely on the default behavior, notably doctest. | |
829 | """ |
|
835 | """ | |
830 |
|
836 | |||
831 | def f(*a,**k): |
|
837 | def f(*a,**k): | |
832 |
|
838 | |||
833 | dhook_s = sys.displayhook |
|
839 | dhook_s = sys.displayhook | |
834 | sys.displayhook = sys.__displayhook__ |
|
840 | sys.displayhook = sys.__displayhook__ | |
835 | try: |
|
841 | try: | |
836 | out = func(*a,**k) |
|
842 | out = func(*a,**k) | |
837 | finally: |
|
843 | finally: | |
838 | sys.displayhook = dhook_s |
|
844 | sys.displayhook = dhook_s | |
839 |
|
845 | |||
840 | return out |
|
846 | return out | |
841 |
|
847 | |||
842 | f.__doc__ = func.__doc__ |
|
848 | f.__doc__ = func.__doc__ | |
843 | return f |
|
849 | return f | |
844 |
|
850 | |||
845 | #---------------------------------------------------------------------------- |
|
851 | #---------------------------------------------------------------------------- | |
846 | def doctest_reload(): |
|
852 | def doctest_reload(): | |
847 | """Properly reload doctest to reuse it interactively. |
|
853 | """Properly reload doctest to reuse it interactively. | |
848 |
|
854 | |||
849 | This routine: |
|
855 | This routine: | |
850 |
|
856 | |||
851 | - reloads doctest |
|
857 | - reloads doctest | |
852 |
|
858 | |||
853 | - resets its global 'master' attribute to None, so that multiple uses of |
|
859 | - resets its global 'master' attribute to None, so that multiple uses of | |
854 | the module interactively don't produce cumulative reports. |
|
860 | the module interactively don't produce cumulative reports. | |
855 |
|
861 | |||
856 | - Monkeypatches its core test runner method to protect it from IPython's |
|
862 | - Monkeypatches its core test runner method to protect it from IPython's | |
857 | modified displayhook. Doctest expects the default displayhook behavior |
|
863 | modified displayhook. Doctest expects the default displayhook behavior | |
858 | deep down, so our modification breaks it completely. For this reason, a |
|
864 | deep down, so our modification breaks it completely. For this reason, a | |
859 | hard monkeypatch seems like a reasonable solution rather than asking |
|
865 | hard monkeypatch seems like a reasonable solution rather than asking | |
860 | users to manually use a different doctest runner when under IPython.""" |
|
866 | users to manually use a different doctest runner when under IPython.""" | |
861 |
|
867 | |||
862 | import doctest |
|
868 | import doctest | |
863 | reload(doctest) |
|
869 | reload(doctest) | |
864 | doctest.master=None |
|
870 | doctest.master=None | |
865 |
|
871 | |||
866 | try: |
|
872 | try: | |
867 | doctest.DocTestRunner |
|
873 | doctest.DocTestRunner | |
868 | except AttributeError: |
|
874 | except AttributeError: | |
869 | # This is only for python 2.3 compatibility, remove once we move to |
|
875 | # This is only for python 2.3 compatibility, remove once we move to | |
870 | # 2.4 only. |
|
876 | # 2.4 only. | |
871 | pass |
|
877 | pass | |
872 | else: |
|
878 | else: | |
873 | doctest.DocTestRunner.run = dhook_wrap(doctest.DocTestRunner.run) |
|
879 | doctest.DocTestRunner.run = dhook_wrap(doctest.DocTestRunner.run) | |
874 |
|
880 | |||
875 | #---------------------------------------------------------------------------- |
|
881 | #---------------------------------------------------------------------------- | |
876 | class HomeDirError(Error): |
|
882 | class HomeDirError(Error): | |
877 | pass |
|
883 | pass | |
878 |
|
884 | |||
879 | def get_home_dir(): |
|
885 | def get_home_dir(): | |
880 | """Return the closest possible equivalent to a 'home' directory. |
|
886 | """Return the closest possible equivalent to a 'home' directory. | |
881 |
|
887 | |||
882 | We first try $HOME. Absent that, on NT it's $HOMEDRIVE\$HOMEPATH. |
|
888 | We first try $HOME. Absent that, on NT it's $HOMEDRIVE\$HOMEPATH. | |
883 |
|
889 | |||
884 | Currently only Posix and NT are implemented, a HomeDirError exception is |
|
890 | Currently only Posix and NT are implemented, a HomeDirError exception is | |
885 | raised for all other OSes. """ |
|
891 | raised for all other OSes. """ | |
886 |
|
892 | |||
887 | isdir = os.path.isdir |
|
893 | isdir = os.path.isdir | |
888 | env = os.environ |
|
894 | env = os.environ | |
889 |
|
895 | |||
890 | # first, check py2exe distribution root directory for _ipython. |
|
896 | # first, check py2exe distribution root directory for _ipython. | |
891 | # This overrides all. Normally does not exist. |
|
897 | # This overrides all. Normally does not exist. | |
892 |
|
898 | |||
893 | if '\\library.zip\\' in IPython.__file__.lower(): |
|
899 | if '\\library.zip\\' in IPython.__file__.lower(): | |
894 | root, rest = IPython.__file__.lower().split('library.zip') |
|
900 | root, rest = IPython.__file__.lower().split('library.zip') | |
895 | if isdir(root + '_ipython'): |
|
901 | if isdir(root + '_ipython'): | |
896 | os.environ["IPYKITROOT"] = root.rstrip('\\') |
|
902 | os.environ["IPYKITROOT"] = root.rstrip('\\') | |
897 | return root |
|
903 | return root | |
898 |
|
904 | |||
899 | try: |
|
905 | try: | |
900 | homedir = env['HOME'] |
|
906 | homedir = env['HOME'] | |
901 | if not isdir(homedir): |
|
907 | if not isdir(homedir): | |
902 | # in case a user stuck some string which does NOT resolve to a |
|
908 | # in case a user stuck some string which does NOT resolve to a | |
903 | # valid path, it's as good as if we hadn't foud it |
|
909 | # valid path, it's as good as if we hadn't foud it | |
904 | raise KeyError |
|
910 | raise KeyError | |
905 | return homedir |
|
911 | return homedir | |
906 | except KeyError: |
|
912 | except KeyError: | |
907 | if os.name == 'posix': |
|
913 | if os.name == 'posix': | |
908 | raise HomeDirError,'undefined $HOME, IPython can not proceed.' |
|
914 | raise HomeDirError,'undefined $HOME, IPython can not proceed.' | |
909 | elif os.name == 'nt': |
|
915 | elif os.name == 'nt': | |
910 | # For some strange reason, win9x returns 'nt' for os.name. |
|
916 | # For some strange reason, win9x returns 'nt' for os.name. | |
911 | try: |
|
917 | try: | |
912 | homedir = os.path.join(env['HOMEDRIVE'],env['HOMEPATH']) |
|
918 | homedir = os.path.join(env['HOMEDRIVE'],env['HOMEPATH']) | |
913 | if not isdir(homedir): |
|
919 | if not isdir(homedir): | |
914 | homedir = os.path.join(env['USERPROFILE']) |
|
920 | homedir = os.path.join(env['USERPROFILE']) | |
915 | if not isdir(homedir): |
|
921 | if not isdir(homedir): | |
916 | raise HomeDirError |
|
922 | raise HomeDirError | |
917 | return homedir |
|
923 | return homedir | |
918 | except: |
|
924 | except: | |
919 | try: |
|
925 | try: | |
920 | # Use the registry to get the 'My Documents' folder. |
|
926 | # Use the registry to get the 'My Documents' folder. | |
921 | import _winreg as wreg |
|
927 | import _winreg as wreg | |
922 | key = wreg.OpenKey(wreg.HKEY_CURRENT_USER, |
|
928 | key = wreg.OpenKey(wreg.HKEY_CURRENT_USER, | |
923 | "Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders") |
|
929 | "Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders") | |
924 | homedir = wreg.QueryValueEx(key,'Personal')[0] |
|
930 | homedir = wreg.QueryValueEx(key,'Personal')[0] | |
925 | key.Close() |
|
931 | key.Close() | |
926 | if not isdir(homedir): |
|
932 | if not isdir(homedir): | |
927 | e = ('Invalid "Personal" folder registry key ' |
|
933 | e = ('Invalid "Personal" folder registry key ' | |
928 | 'typically "My Documents".\n' |
|
934 | 'typically "My Documents".\n' | |
929 | 'Value: %s\n' |
|
935 | 'Value: %s\n' | |
930 | 'This is not a valid directory on your system.' % |
|
936 | 'This is not a valid directory on your system.' % | |
931 | homedir) |
|
937 | homedir) | |
932 | raise HomeDirError(e) |
|
938 | raise HomeDirError(e) | |
933 | return homedir |
|
939 | return homedir | |
934 | except HomeDirError: |
|
940 | except HomeDirError: | |
935 | raise |
|
941 | raise | |
936 | except: |
|
942 | except: | |
937 | return 'C:\\' |
|
943 | return 'C:\\' | |
938 | elif os.name == 'dos': |
|
944 | elif os.name == 'dos': | |
939 | # Desperate, may do absurd things in classic MacOS. May work under DOS. |
|
945 | # Desperate, may do absurd things in classic MacOS. May work under DOS. | |
940 | return 'C:\\' |
|
946 | return 'C:\\' | |
941 | else: |
|
947 | else: | |
942 | raise HomeDirError,'support for your operating system not implemented.' |
|
948 | raise HomeDirError,'support for your operating system not implemented.' | |
943 |
|
949 | |||
944 | #**************************************************************************** |
|
950 | #**************************************************************************** | |
945 | # strings and text |
|
951 | # strings and text | |
946 |
|
952 | |||
947 | class LSString(str): |
|
953 | class LSString(str): | |
948 | """String derivative with a special access attributes. |
|
954 | """String derivative with a special access attributes. | |
949 |
|
955 | |||
950 | These are normal strings, but with the special attributes: |
|
956 | These are normal strings, but with the special attributes: | |
951 |
|
957 | |||
952 | .l (or .list) : value as list (split on newlines). |
|
958 | .l (or .list) : value as list (split on newlines). | |
953 | .n (or .nlstr): original value (the string itself). |
|
959 | .n (or .nlstr): original value (the string itself). | |
954 | .s (or .spstr): value as whitespace-separated string. |
|
960 | .s (or .spstr): value as whitespace-separated string. | |
955 | .p (or .paths): list of path objects |
|
961 | .p (or .paths): list of path objects | |
956 |
|
962 | |||
957 | Any values which require transformations are computed only once and |
|
963 | Any values which require transformations are computed only once and | |
958 | cached. |
|
964 | cached. | |
959 |
|
965 | |||
960 | Such strings are very useful to efficiently interact with the shell, which |
|
966 | Such strings are very useful to efficiently interact with the shell, which | |
961 | typically only understands whitespace-separated options for commands.""" |
|
967 | typically only understands whitespace-separated options for commands.""" | |
962 |
|
968 | |||
963 | def get_list(self): |
|
969 | def get_list(self): | |
964 | try: |
|
970 | try: | |
965 | return self.__list |
|
971 | return self.__list | |
966 | except AttributeError: |
|
972 | except AttributeError: | |
967 | self.__list = self.split('\n') |
|
973 | self.__list = self.split('\n') | |
968 | return self.__list |
|
974 | return self.__list | |
969 |
|
975 | |||
970 | l = list = property(get_list) |
|
976 | l = list = property(get_list) | |
971 |
|
977 | |||
972 | def get_spstr(self): |
|
978 | def get_spstr(self): | |
973 | try: |
|
979 | try: | |
974 | return self.__spstr |
|
980 | return self.__spstr | |
975 | except AttributeError: |
|
981 | except AttributeError: | |
976 | self.__spstr = self.replace('\n',' ') |
|
982 | self.__spstr = self.replace('\n',' ') | |
977 | return self.__spstr |
|
983 | return self.__spstr | |
978 |
|
984 | |||
979 | s = spstr = property(get_spstr) |
|
985 | s = spstr = property(get_spstr) | |
980 |
|
986 | |||
981 | def get_nlstr(self): |
|
987 | def get_nlstr(self): | |
982 | return self |
|
988 | return self | |
983 |
|
989 | |||
984 | n = nlstr = property(get_nlstr) |
|
990 | n = nlstr = property(get_nlstr) | |
985 |
|
991 | |||
986 | def get_paths(self): |
|
992 | def get_paths(self): | |
987 | try: |
|
993 | try: | |
988 | return self.__paths |
|
994 | return self.__paths | |
989 | except AttributeError: |
|
995 | except AttributeError: | |
990 | self.__paths = [path(p) for p in self.split('\n') if os.path.exists(p)] |
|
996 | self.__paths = [path(p) for p in self.split('\n') if os.path.exists(p)] | |
991 | return self.__paths |
|
997 | return self.__paths | |
992 |
|
998 | |||
993 | p = paths = property(get_paths) |
|
999 | p = paths = property(get_paths) | |
994 |
|
1000 | |||
995 | def print_lsstring(arg): |
|
1001 | def print_lsstring(arg): | |
996 | """ Prettier (non-repr-like) and more informative printer for LSString """ |
|
1002 | """ Prettier (non-repr-like) and more informative printer for LSString """ | |
997 | print "LSString (.p, .n, .l, .s available). Value:" |
|
1003 | print "LSString (.p, .n, .l, .s available). Value:" | |
998 | print arg |
|
1004 | print arg | |
999 |
|
1005 | |||
1000 | print_lsstring = result_display.when_type(LSString)(print_lsstring) |
|
1006 | print_lsstring = result_display.when_type(LSString)(print_lsstring) | |
1001 |
|
1007 | |||
1002 | #---------------------------------------------------------------------------- |
|
1008 | #---------------------------------------------------------------------------- | |
1003 | class SList(list): |
|
1009 | class SList(list): | |
1004 | """List derivative with a special access attributes. |
|
1010 | """List derivative with a special access attributes. | |
1005 |
|
1011 | |||
1006 | These are normal lists, but with the special attributes: |
|
1012 | These are normal lists, but with the special attributes: | |
1007 |
|
1013 | |||
1008 | .l (or .list) : value as list (the list itself). |
|
1014 | .l (or .list) : value as list (the list itself). | |
1009 | .n (or .nlstr): value as a string, joined on newlines. |
|
1015 | .n (or .nlstr): value as a string, joined on newlines. | |
1010 | .s (or .spstr): value as a string, joined on spaces. |
|
1016 | .s (or .spstr): value as a string, joined on spaces. | |
1011 | .p (or .paths): list of path objects |
|
1017 | .p (or .paths): list of path objects | |
1012 |
|
1018 | |||
1013 | Any values which require transformations are computed only once and |
|
1019 | Any values which require transformations are computed only once and | |
1014 | cached.""" |
|
1020 | cached.""" | |
1015 |
|
1021 | |||
1016 | def get_list(self): |
|
1022 | def get_list(self): | |
1017 | return self |
|
1023 | return self | |
1018 |
|
1024 | |||
1019 | l = list = property(get_list) |
|
1025 | l = list = property(get_list) | |
1020 |
|
1026 | |||
1021 | def get_spstr(self): |
|
1027 | def get_spstr(self): | |
1022 | try: |
|
1028 | try: | |
1023 | return self.__spstr |
|
1029 | return self.__spstr | |
1024 | except AttributeError: |
|
1030 | except AttributeError: | |
1025 | self.__spstr = ' '.join(self) |
|
1031 | self.__spstr = ' '.join(self) | |
1026 | return self.__spstr |
|
1032 | return self.__spstr | |
1027 |
|
1033 | |||
1028 | s = spstr = property(get_spstr) |
|
1034 | s = spstr = property(get_spstr) | |
1029 |
|
1035 | |||
1030 | def get_nlstr(self): |
|
1036 | def get_nlstr(self): | |
1031 | try: |
|
1037 | try: | |
1032 | return self.__nlstr |
|
1038 | return self.__nlstr | |
1033 | except AttributeError: |
|
1039 | except AttributeError: | |
1034 | self.__nlstr = '\n'.join(self) |
|
1040 | self.__nlstr = '\n'.join(self) | |
1035 | return self.__nlstr |
|
1041 | return self.__nlstr | |
1036 |
|
1042 | |||
1037 | n = nlstr = property(get_nlstr) |
|
1043 | n = nlstr = property(get_nlstr) | |
1038 |
|
1044 | |||
1039 | def get_paths(self): |
|
1045 | def get_paths(self): | |
1040 | try: |
|
1046 | try: | |
1041 | return self.__paths |
|
1047 | return self.__paths | |
1042 | except AttributeError: |
|
1048 | except AttributeError: | |
1043 | self.__paths = [path(p) for p in self if os.path.exists(p)] |
|
1049 | self.__paths = [path(p) for p in self if os.path.exists(p)] | |
1044 | return self.__paths |
|
1050 | return self.__paths | |
1045 |
|
1051 | |||
1046 | p = paths = property(get_paths) |
|
1052 | p = paths = property(get_paths) | |
1047 |
|
1053 | |||
1048 | def grep(self, pattern, prune = False): |
|
1054 | def grep(self, pattern, prune = False): | |
1049 | """ Return all strings matching 'pattern' (a regex or callable) |
|
1055 | """ Return all strings matching 'pattern' (a regex or callable) | |
1050 |
|
1056 | |||
1051 | This is case-insensitive. If prune is true, return all items |
|
1057 | This is case-insensitive. If prune is true, return all items | |
1052 | NOT matching the pattern. |
|
1058 | NOT matching the pattern. | |
1053 |
|
1059 | |||
1054 | Examples:: |
|
1060 | Examples:: | |
1055 |
|
1061 | |||
1056 | a.grep( lambda x: x.startswith('C') ) |
|
1062 | a.grep( lambda x: x.startswith('C') ) | |
1057 | a.grep('Cha.*log', prune=1) |
|
1063 | a.grep('Cha.*log', prune=1) | |
1058 | """ |
|
1064 | """ | |
1059 | if isinstance(pattern, basestring): |
|
1065 | if isinstance(pattern, basestring): | |
1060 | pred = lambda x : re.search(pattern, x, re.IGNORECASE) |
|
1066 | pred = lambda x : re.search(pattern, x, re.IGNORECASE) | |
1061 | else: |
|
1067 | else: | |
1062 | pred = pattern |
|
1068 | pred = pattern | |
1063 | if not prune: |
|
1069 | if not prune: | |
1064 | return SList([el for el in self if pred(el)]) |
|
1070 | return SList([el for el in self if pred(el)]) | |
1065 | else: |
|
1071 | else: | |
1066 | return SList([el for el in self if not pred(el)]) |
|
1072 | return SList([el for el in self if not pred(el)]) | |
1067 | def fields(self, *fields): |
|
1073 | def fields(self, *fields): | |
1068 | """ Collect whitespace-separated fields from string list |
|
1074 | """ Collect whitespace-separated fields from string list | |
1069 |
|
1075 | |||
1070 | Allows quick awk-like usage of string lists. |
|
1076 | Allows quick awk-like usage of string lists. | |
1071 |
|
1077 | |||
1072 | Example data (in var a, created by 'a = !ls -l'):: |
|
1078 | Example data (in var a, created by 'a = !ls -l'):: | |
1073 | -rwxrwxrwx 1 ville None 18 Dec 14 2006 ChangeLog |
|
1079 | -rwxrwxrwx 1 ville None 18 Dec 14 2006 ChangeLog | |
1074 | drwxrwxrwx+ 6 ville None 0 Oct 24 18:05 IPython |
|
1080 | drwxrwxrwx+ 6 ville None 0 Oct 24 18:05 IPython | |
1075 |
|
1081 | |||
1076 | a.fields(0) is ['-rwxrwxrwx', 'drwxrwxrwx+'] |
|
1082 | a.fields(0) is ['-rwxrwxrwx', 'drwxrwxrwx+'] | |
1077 | a.fields(1,0) is ['1 -rwxrwxrwx', '6 drwxrwxrwx+'] |
|
1083 | a.fields(1,0) is ['1 -rwxrwxrwx', '6 drwxrwxrwx+'] | |
1078 | (note the joining by space). |
|
1084 | (note the joining by space). | |
1079 |
|
1085 | |||
1080 | IndexErrors are ignored. |
|
1086 | IndexErrors are ignored. | |
1081 |
|
1087 | |||
1082 | Without args, fields() just split()'s the strings. |
|
1088 | Without args, fields() just split()'s the strings. | |
1083 | """ |
|
1089 | """ | |
1084 | if len(fields) == 0: |
|
1090 | if len(fields) == 0: | |
1085 | return [el.split() for el in self] |
|
1091 | return [el.split() for el in self] | |
1086 |
|
1092 | |||
1087 | res = SList() |
|
1093 | res = SList() | |
1088 | for el in [f.split() for f in self]: |
|
1094 | for el in [f.split() for f in self]: | |
1089 | lineparts = [] |
|
1095 | lineparts = [] | |
1090 |
|
1096 | |||
1091 | for fd in fields: |
|
1097 | for fd in fields: | |
1092 | try: |
|
1098 | try: | |
1093 | lineparts.append(el[fd]) |
|
1099 | lineparts.append(el[fd]) | |
1094 | except IndexError: |
|
1100 | except IndexError: | |
1095 | pass |
|
1101 | pass | |
1096 | if lineparts: |
|
1102 | if lineparts: | |
1097 | res.append(" ".join(lineparts)) |
|
1103 | res.append(" ".join(lineparts)) | |
1098 |
|
1104 | |||
1099 | return res |
|
1105 | return res | |
1100 |
|
1106 | |||
1101 |
|
1107 | |||
1102 |
|
1108 | |||
1103 |
|
1109 | |||
1104 |
|
1110 | |||
1105 | def print_slist(arg): |
|
1111 | def print_slist(arg): | |
1106 | """ Prettier (non-repr-like) and more informative printer for SList """ |
|
1112 | """ Prettier (non-repr-like) and more informative printer for SList """ | |
1107 | print "SList (.p, .n, .l, .s, .grep(), .fields() available). Value:" |
|
1113 | print "SList (.p, .n, .l, .s, .grep(), .fields() available). Value:" | |
1108 | nlprint(arg) |
|
1114 | nlprint(arg) | |
1109 |
|
1115 | |||
1110 | print_slist = result_display.when_type(SList)(print_slist) |
|
1116 | print_slist = result_display.when_type(SList)(print_slist) | |
1111 |
|
1117 | |||
1112 |
|
1118 | |||
1113 |
|
1119 | |||
1114 | #---------------------------------------------------------------------------- |
|
1120 | #---------------------------------------------------------------------------- | |
1115 | def esc_quotes(strng): |
|
1121 | def esc_quotes(strng): | |
1116 | """Return the input string with single and double quotes escaped out""" |
|
1122 | """Return the input string with single and double quotes escaped out""" | |
1117 |
|
1123 | |||
1118 | return strng.replace('"','\\"').replace("'","\\'") |
|
1124 | return strng.replace('"','\\"').replace("'","\\'") | |
1119 |
|
1125 | |||
1120 | #---------------------------------------------------------------------------- |
|
1126 | #---------------------------------------------------------------------------- | |
1121 | def make_quoted_expr(s): |
|
1127 | def make_quoted_expr(s): | |
1122 | """Return string s in appropriate quotes, using raw string if possible. |
|
1128 | """Return string s in appropriate quotes, using raw string if possible. | |
1123 |
|
1129 | |||
1124 | Effectively this turns string: cd \ao\ao\ |
|
1130 | Effectively this turns string: cd \ao\ao\ | |
1125 | to: r"cd \ao\ao\_"[:-1] |
|
1131 | to: r"cd \ao\ao\_"[:-1] | |
1126 |
|
1132 | |||
1127 | Note the use of raw string and padding at the end to allow trailing backslash. |
|
1133 | Note the use of raw string and padding at the end to allow trailing backslash. | |
1128 |
|
1134 | |||
1129 | """ |
|
1135 | """ | |
1130 |
|
1136 | |||
1131 | tail = '' |
|
1137 | tail = '' | |
1132 | tailpadding = '' |
|
1138 | tailpadding = '' | |
1133 | raw = '' |
|
1139 | raw = '' | |
1134 | if "\\" in s: |
|
1140 | if "\\" in s: | |
1135 | raw = 'r' |
|
1141 | raw = 'r' | |
1136 | if s.endswith('\\'): |
|
1142 | if s.endswith('\\'): | |
1137 | tail = '[:-1]' |
|
1143 | tail = '[:-1]' | |
1138 | tailpadding = '_' |
|
1144 | tailpadding = '_' | |
1139 | if '"' not in s: |
|
1145 | if '"' not in s: | |
1140 | quote = '"' |
|
1146 | quote = '"' | |
1141 | elif "'" not in s: |
|
1147 | elif "'" not in s: | |
1142 | quote = "'" |
|
1148 | quote = "'" | |
1143 | elif '"""' not in s and not s.endswith('"'): |
|
1149 | elif '"""' not in s and not s.endswith('"'): | |
1144 | quote = '"""' |
|
1150 | quote = '"""' | |
1145 | elif "'''" not in s and not s.endswith("'"): |
|
1151 | elif "'''" not in s and not s.endswith("'"): | |
1146 | quote = "'''" |
|
1152 | quote = "'''" | |
1147 | else: |
|
1153 | else: | |
1148 | # give up, backslash-escaped string will do |
|
1154 | # give up, backslash-escaped string will do | |
1149 | return '"%s"' % esc_quotes(s) |
|
1155 | return '"%s"' % esc_quotes(s) | |
1150 | res = raw + quote + s + tailpadding + quote + tail |
|
1156 | res = raw + quote + s + tailpadding + quote + tail | |
1151 | return res |
|
1157 | return res | |
1152 |
|
1158 | |||
1153 |
|
1159 | |||
1154 | #---------------------------------------------------------------------------- |
|
1160 | #---------------------------------------------------------------------------- | |
1155 | def raw_input_multi(header='', ps1='==> ', ps2='..> ',terminate_str = '.'): |
|
1161 | def raw_input_multi(header='', ps1='==> ', ps2='..> ',terminate_str = '.'): | |
1156 | """Take multiple lines of input. |
|
1162 | """Take multiple lines of input. | |
1157 |
|
1163 | |||
1158 | A list with each line of input as a separate element is returned when a |
|
1164 | A list with each line of input as a separate element is returned when a | |
1159 | termination string is entered (defaults to a single '.'). Input can also |
|
1165 | termination string is entered (defaults to a single '.'). Input can also | |
1160 | terminate via EOF (^D in Unix, ^Z-RET in Windows). |
|
1166 | terminate via EOF (^D in Unix, ^Z-RET in Windows). | |
1161 |
|
1167 | |||
1162 | Lines of input which end in \\ are joined into single entries (and a |
|
1168 | Lines of input which end in \\ are joined into single entries (and a | |
1163 | secondary continuation prompt is issued as long as the user terminates |
|
1169 | secondary continuation prompt is issued as long as the user terminates | |
1164 | lines with \\). This allows entering very long strings which are still |
|
1170 | lines with \\). This allows entering very long strings which are still | |
1165 | meant to be treated as single entities. |
|
1171 | meant to be treated as single entities. | |
1166 | """ |
|
1172 | """ | |
1167 |
|
1173 | |||
1168 | try: |
|
1174 | try: | |
1169 | if header: |
|
1175 | if header: | |
1170 | header += '\n' |
|
1176 | header += '\n' | |
1171 | lines = [raw_input(header + ps1)] |
|
1177 | lines = [raw_input(header + ps1)] | |
1172 | except EOFError: |
|
1178 | except EOFError: | |
1173 | return [] |
|
1179 | return [] | |
1174 | terminate = [terminate_str] |
|
1180 | terminate = [terminate_str] | |
1175 | try: |
|
1181 | try: | |
1176 | while lines[-1:] != terminate: |
|
1182 | while lines[-1:] != terminate: | |
1177 | new_line = raw_input(ps1) |
|
1183 | new_line = raw_input(ps1) | |
1178 | while new_line.endswith('\\'): |
|
1184 | while new_line.endswith('\\'): | |
1179 | new_line = new_line[:-1] + raw_input(ps2) |
|
1185 | new_line = new_line[:-1] + raw_input(ps2) | |
1180 | lines.append(new_line) |
|
1186 | lines.append(new_line) | |
1181 |
|
1187 | |||
1182 | return lines[:-1] # don't return the termination command |
|
1188 | return lines[:-1] # don't return the termination command | |
1183 | except EOFError: |
|
1189 | except EOFError: | |
1184 |
|
1190 | |||
1185 | return lines |
|
1191 | return lines | |
1186 |
|
1192 | |||
1187 | #---------------------------------------------------------------------------- |
|
1193 | #---------------------------------------------------------------------------- | |
1188 | def raw_input_ext(prompt='', ps2='... '): |
|
1194 | def raw_input_ext(prompt='', ps2='... '): | |
1189 | """Similar to raw_input(), but accepts extended lines if input ends with \\.""" |
|
1195 | """Similar to raw_input(), but accepts extended lines if input ends with \\.""" | |
1190 |
|
1196 | |||
1191 | line = raw_input(prompt) |
|
1197 | line = raw_input(prompt) | |
1192 | while line.endswith('\\'): |
|
1198 | while line.endswith('\\'): | |
1193 | line = line[:-1] + raw_input(ps2) |
|
1199 | line = line[:-1] + raw_input(ps2) | |
1194 | return line |
|
1200 | return line | |
1195 |
|
1201 | |||
1196 | #---------------------------------------------------------------------------- |
|
1202 | #---------------------------------------------------------------------------- | |
1197 | def ask_yes_no(prompt,default=None): |
|
1203 | def ask_yes_no(prompt,default=None): | |
1198 | """Asks a question and returns a boolean (y/n) answer. |
|
1204 | """Asks a question and returns a boolean (y/n) answer. | |
1199 |
|
1205 | |||
1200 | If default is given (one of 'y','n'), it is used if the user input is |
|
1206 | If default is given (one of 'y','n'), it is used if the user input is | |
1201 | empty. Otherwise the question is repeated until an answer is given. |
|
1207 | empty. Otherwise the question is repeated until an answer is given. | |
1202 |
|
1208 | |||
1203 | An EOF is treated as the default answer. If there is no default, an |
|
1209 | An EOF is treated as the default answer. If there is no default, an | |
1204 | exception is raised to prevent infinite loops. |
|
1210 | exception is raised to prevent infinite loops. | |
1205 |
|
1211 | |||
1206 | Valid answers are: y/yes/n/no (match is not case sensitive).""" |
|
1212 | Valid answers are: y/yes/n/no (match is not case sensitive).""" | |
1207 |
|
1213 | |||
1208 | answers = {'y':True,'n':False,'yes':True,'no':False} |
|
1214 | answers = {'y':True,'n':False,'yes':True,'no':False} | |
1209 | ans = None |
|
1215 | ans = None | |
1210 | while ans not in answers.keys(): |
|
1216 | while ans not in answers.keys(): | |
1211 | try: |
|
1217 | try: | |
1212 | ans = raw_input(prompt+' ').lower() |
|
1218 | ans = raw_input(prompt+' ').lower() | |
1213 | if not ans: # response was an empty string |
|
1219 | if not ans: # response was an empty string | |
1214 | ans = default |
|
1220 | ans = default | |
1215 | except KeyboardInterrupt: |
|
1221 | except KeyboardInterrupt: | |
1216 | pass |
|
1222 | pass | |
1217 | except EOFError: |
|
1223 | except EOFError: | |
1218 | if default in answers.keys(): |
|
1224 | if default in answers.keys(): | |
1219 | ans = default |
|
1225 | ans = default | |
1220 |
|
1226 | |||
1221 | else: |
|
1227 | else: | |
1222 | raise |
|
1228 | raise | |
1223 |
|
1229 | |||
1224 | return answers[ans] |
|
1230 | return answers[ans] | |
1225 |
|
1231 | |||
1226 | #---------------------------------------------------------------------------- |
|
1232 | #---------------------------------------------------------------------------- | |
1227 | def marquee(txt='',width=78,mark='*'): |
|
1233 | def marquee(txt='',width=78,mark='*'): | |
1228 | """Return the input string centered in a 'marquee'.""" |
|
1234 | """Return the input string centered in a 'marquee'.""" | |
1229 | if not txt: |
|
1235 | if not txt: | |
1230 | return (mark*width)[:width] |
|
1236 | return (mark*width)[:width] | |
1231 | nmark = (width-len(txt)-2)/len(mark)/2 |
|
1237 | nmark = (width-len(txt)-2)/len(mark)/2 | |
1232 | if nmark < 0: nmark =0 |
|
1238 | if nmark < 0: nmark =0 | |
1233 | marks = mark*nmark |
|
1239 | marks = mark*nmark | |
1234 | return '%s %s %s' % (marks,txt,marks) |
|
1240 | return '%s %s %s' % (marks,txt,marks) | |
1235 |
|
1241 | |||
1236 | #---------------------------------------------------------------------------- |
|
1242 | #---------------------------------------------------------------------------- | |
1237 | class EvalDict: |
|
1243 | class EvalDict: | |
1238 | """ |
|
1244 | """ | |
1239 | Emulate a dict which evaluates its contents in the caller's frame. |
|
1245 | Emulate a dict which evaluates its contents in the caller's frame. | |
1240 |
|
1246 | |||
1241 | Usage: |
|
1247 | Usage: | |
1242 | >>>number = 19 |
|
1248 | >>>number = 19 | |
1243 | >>>text = "python" |
|
1249 | >>>text = "python" | |
1244 | >>>print "%(text.capitalize())s %(number/9.0).1f rules!" % EvalDict() |
|
1250 | >>>print "%(text.capitalize())s %(number/9.0).1f rules!" % EvalDict() | |
1245 | """ |
|
1251 | """ | |
1246 |
|
1252 | |||
1247 | # This version is due to sismex01@hebmex.com on c.l.py, and is basically a |
|
1253 | # This version is due to sismex01@hebmex.com on c.l.py, and is basically a | |
1248 | # modified (shorter) version of: |
|
1254 | # modified (shorter) version of: | |
1249 | # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66018 by |
|
1255 | # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66018 by | |
1250 | # Skip Montanaro (skip@pobox.com). |
|
1256 | # Skip Montanaro (skip@pobox.com). | |
1251 |
|
1257 | |||
1252 | def __getitem__(self, name): |
|
1258 | def __getitem__(self, name): | |
1253 | frame = sys._getframe(1) |
|
1259 | frame = sys._getframe(1) | |
1254 | return eval(name, frame.f_globals, frame.f_locals) |
|
1260 | return eval(name, frame.f_globals, frame.f_locals) | |
1255 |
|
1261 | |||
1256 | EvalString = EvalDict # for backwards compatibility |
|
1262 | EvalString = EvalDict # for backwards compatibility | |
1257 | #---------------------------------------------------------------------------- |
|
1263 | #---------------------------------------------------------------------------- | |
1258 | def qw(words,flat=0,sep=None,maxsplit=-1): |
|
1264 | def qw(words,flat=0,sep=None,maxsplit=-1): | |
1259 | """Similar to Perl's qw() operator, but with some more options. |
|
1265 | """Similar to Perl's qw() operator, but with some more options. | |
1260 |
|
1266 | |||
1261 | qw(words,flat=0,sep=' ',maxsplit=-1) -> words.split(sep,maxsplit) |
|
1267 | qw(words,flat=0,sep=' ',maxsplit=-1) -> words.split(sep,maxsplit) | |
1262 |
|
1268 | |||
1263 | words can also be a list itself, and with flat=1, the output will be |
|
1269 | words can also be a list itself, and with flat=1, the output will be | |
1264 | recursively flattened. Examples: |
|
1270 | recursively flattened. Examples: | |
1265 |
|
1271 | |||
1266 | >>> qw('1 2') |
|
1272 | >>> qw('1 2') | |
1267 | ['1', '2'] |
|
1273 | ['1', '2'] | |
1268 | >>> qw(['a b','1 2',['m n','p q']]) |
|
1274 | >>> qw(['a b','1 2',['m n','p q']]) | |
1269 | [['a', 'b'], ['1', '2'], [['m', 'n'], ['p', 'q']]] |
|
1275 | [['a', 'b'], ['1', '2'], [['m', 'n'], ['p', 'q']]] | |
1270 | >>> qw(['a b','1 2',['m n','p q']],flat=1) |
|
1276 | >>> qw(['a b','1 2',['m n','p q']],flat=1) | |
1271 | ['a', 'b', '1', '2', 'm', 'n', 'p', 'q'] """ |
|
1277 | ['a', 'b', '1', '2', 'm', 'n', 'p', 'q'] """ | |
1272 |
|
1278 | |||
1273 | if type(words) in StringTypes: |
|
1279 | if type(words) in StringTypes: | |
1274 | return [word.strip() for word in words.split(sep,maxsplit) |
|
1280 | return [word.strip() for word in words.split(sep,maxsplit) | |
1275 | if word and not word.isspace() ] |
|
1281 | if word and not word.isspace() ] | |
1276 | if flat: |
|
1282 | if flat: | |
1277 | return flatten(map(qw,words,[1]*len(words))) |
|
1283 | return flatten(map(qw,words,[1]*len(words))) | |
1278 | return map(qw,words) |
|
1284 | return map(qw,words) | |
1279 |
|
1285 | |||
1280 | #---------------------------------------------------------------------------- |
|
1286 | #---------------------------------------------------------------------------- | |
1281 | def qwflat(words,sep=None,maxsplit=-1): |
|
1287 | def qwflat(words,sep=None,maxsplit=-1): | |
1282 | """Calls qw(words) in flat mode. It's just a convenient shorthand.""" |
|
1288 | """Calls qw(words) in flat mode. It's just a convenient shorthand.""" | |
1283 | return qw(words,1,sep,maxsplit) |
|
1289 | return qw(words,1,sep,maxsplit) | |
1284 |
|
1290 | |||
1285 | #---------------------------------------------------------------------------- |
|
1291 | #---------------------------------------------------------------------------- | |
1286 | def qw_lol(indata): |
|
1292 | def qw_lol(indata): | |
1287 | """qw_lol('a b') -> [['a','b']], |
|
1293 | """qw_lol('a b') -> [['a','b']], | |
1288 | otherwise it's just a call to qw(). |
|
1294 | otherwise it's just a call to qw(). | |
1289 |
|
1295 | |||
1290 | We need this to make sure the modules_some keys *always* end up as a |
|
1296 | We need this to make sure the modules_some keys *always* end up as a | |
1291 | list of lists.""" |
|
1297 | list of lists.""" | |
1292 |
|
1298 | |||
1293 | if type(indata) in StringTypes: |
|
1299 | if type(indata) in StringTypes: | |
1294 | return [qw(indata)] |
|
1300 | return [qw(indata)] | |
1295 | else: |
|
1301 | else: | |
1296 | return qw(indata) |
|
1302 | return qw(indata) | |
1297 |
|
1303 | |||
1298 | #----------------------------------------------------------------------------- |
|
1304 | #----------------------------------------------------------------------------- | |
1299 | def list_strings(arg): |
|
1305 | def list_strings(arg): | |
1300 | """Always return a list of strings, given a string or list of strings |
|
1306 | """Always return a list of strings, given a string or list of strings | |
1301 | as input.""" |
|
1307 | as input.""" | |
1302 |
|
1308 | |||
1303 | if type(arg) in StringTypes: return [arg] |
|
1309 | if type(arg) in StringTypes: return [arg] | |
1304 | else: return arg |
|
1310 | else: return arg | |
1305 |
|
1311 | |||
1306 | #---------------------------------------------------------------------------- |
|
1312 | #---------------------------------------------------------------------------- | |
1307 | def grep(pat,list,case=1): |
|
1313 | def grep(pat,list,case=1): | |
1308 | """Simple minded grep-like function. |
|
1314 | """Simple minded grep-like function. | |
1309 | grep(pat,list) returns occurrences of pat in list, None on failure. |
|
1315 | grep(pat,list) returns occurrences of pat in list, None on failure. | |
1310 |
|
1316 | |||
1311 | It only does simple string matching, with no support for regexps. Use the |
|
1317 | It only does simple string matching, with no support for regexps. Use the | |
1312 | option case=0 for case-insensitive matching.""" |
|
1318 | option case=0 for case-insensitive matching.""" | |
1313 |
|
1319 | |||
1314 | # This is pretty crude. At least it should implement copying only references |
|
1320 | # This is pretty crude. At least it should implement copying only references | |
1315 | # to the original data in case it's big. Now it copies the data for output. |
|
1321 | # to the original data in case it's big. Now it copies the data for output. | |
1316 | out=[] |
|
1322 | out=[] | |
1317 | if case: |
|
1323 | if case: | |
1318 | for term in list: |
|
1324 | for term in list: | |
1319 | if term.find(pat)>-1: out.append(term) |
|
1325 | if term.find(pat)>-1: out.append(term) | |
1320 | else: |
|
1326 | else: | |
1321 | lpat=pat.lower() |
|
1327 | lpat=pat.lower() | |
1322 | for term in list: |
|
1328 | for term in list: | |
1323 | if term.lower().find(lpat)>-1: out.append(term) |
|
1329 | if term.lower().find(lpat)>-1: out.append(term) | |
1324 |
|
1330 | |||
1325 | if len(out): return out |
|
1331 | if len(out): return out | |
1326 | else: return None |
|
1332 | else: return None | |
1327 |
|
1333 | |||
1328 | #---------------------------------------------------------------------------- |
|
1334 | #---------------------------------------------------------------------------- | |
1329 | def dgrep(pat,*opts): |
|
1335 | def dgrep(pat,*opts): | |
1330 | """Return grep() on dir()+dir(__builtins__). |
|
1336 | """Return grep() on dir()+dir(__builtins__). | |
1331 |
|
1337 | |||
1332 | A very common use of grep() when working interactively.""" |
|
1338 | A very common use of grep() when working interactively.""" | |
1333 |
|
1339 | |||
1334 | return grep(pat,dir(__main__)+dir(__main__.__builtins__),*opts) |
|
1340 | return grep(pat,dir(__main__)+dir(__main__.__builtins__),*opts) | |
1335 |
|
1341 | |||
1336 | #---------------------------------------------------------------------------- |
|
1342 | #---------------------------------------------------------------------------- | |
1337 | def idgrep(pat): |
|
1343 | def idgrep(pat): | |
1338 | """Case-insensitive dgrep()""" |
|
1344 | """Case-insensitive dgrep()""" | |
1339 |
|
1345 | |||
1340 | return dgrep(pat,0) |
|
1346 | return dgrep(pat,0) | |
1341 |
|
1347 | |||
1342 | #---------------------------------------------------------------------------- |
|
1348 | #---------------------------------------------------------------------------- | |
1343 | def igrep(pat,list): |
|
1349 | def igrep(pat,list): | |
1344 | """Synonym for case-insensitive grep.""" |
|
1350 | """Synonym for case-insensitive grep.""" | |
1345 |
|
1351 | |||
1346 | return grep(pat,list,case=0) |
|
1352 | return grep(pat,list,case=0) | |
1347 |
|
1353 | |||
1348 | #---------------------------------------------------------------------------- |
|
1354 | #---------------------------------------------------------------------------- | |
1349 | def indent(str,nspaces=4,ntabs=0): |
|
1355 | def indent(str,nspaces=4,ntabs=0): | |
1350 | """Indent a string a given number of spaces or tabstops. |
|
1356 | """Indent a string a given number of spaces or tabstops. | |
1351 |
|
1357 | |||
1352 | indent(str,nspaces=4,ntabs=0) -> indent str by ntabs+nspaces. |
|
1358 | indent(str,nspaces=4,ntabs=0) -> indent str by ntabs+nspaces. | |
1353 | """ |
|
1359 | """ | |
1354 | if str is None: |
|
1360 | if str is None: | |
1355 | return |
|
1361 | return | |
1356 | ind = '\t'*ntabs+' '*nspaces |
|
1362 | ind = '\t'*ntabs+' '*nspaces | |
1357 | outstr = '%s%s' % (ind,str.replace(os.linesep,os.linesep+ind)) |
|
1363 | outstr = '%s%s' % (ind,str.replace(os.linesep,os.linesep+ind)) | |
1358 | if outstr.endswith(os.linesep+ind): |
|
1364 | if outstr.endswith(os.linesep+ind): | |
1359 | return outstr[:-len(ind)] |
|
1365 | return outstr[:-len(ind)] | |
1360 | else: |
|
1366 | else: | |
1361 | return outstr |
|
1367 | return outstr | |
1362 |
|
1368 | |||
1363 | #----------------------------------------------------------------------------- |
|
1369 | #----------------------------------------------------------------------------- | |
1364 | def native_line_ends(filename,backup=1): |
|
1370 | def native_line_ends(filename,backup=1): | |
1365 | """Convert (in-place) a file to line-ends native to the current OS. |
|
1371 | """Convert (in-place) a file to line-ends native to the current OS. | |
1366 |
|
1372 | |||
1367 | If the optional backup argument is given as false, no backup of the |
|
1373 | If the optional backup argument is given as false, no backup of the | |
1368 | original file is left. """ |
|
1374 | original file is left. """ | |
1369 |
|
1375 | |||
1370 | backup_suffixes = {'posix':'~','dos':'.bak','nt':'.bak','mac':'.bak'} |
|
1376 | backup_suffixes = {'posix':'~','dos':'.bak','nt':'.bak','mac':'.bak'} | |
1371 |
|
1377 | |||
1372 | bak_filename = filename + backup_suffixes[os.name] |
|
1378 | bak_filename = filename + backup_suffixes[os.name] | |
1373 |
|
1379 | |||
1374 | original = open(filename).read() |
|
1380 | original = open(filename).read() | |
1375 | shutil.copy2(filename,bak_filename) |
|
1381 | shutil.copy2(filename,bak_filename) | |
1376 | try: |
|
1382 | try: | |
1377 | new = open(filename,'wb') |
|
1383 | new = open(filename,'wb') | |
1378 | new.write(os.linesep.join(original.splitlines())) |
|
1384 | new.write(os.linesep.join(original.splitlines())) | |
1379 | new.write(os.linesep) # ALWAYS put an eol at the end of the file |
|
1385 | new.write(os.linesep) # ALWAYS put an eol at the end of the file | |
1380 | new.close() |
|
1386 | new.close() | |
1381 | except: |
|
1387 | except: | |
1382 | os.rename(bak_filename,filename) |
|
1388 | os.rename(bak_filename,filename) | |
1383 | if not backup: |
|
1389 | if not backup: | |
1384 | try: |
|
1390 | try: | |
1385 | os.remove(bak_filename) |
|
1391 | os.remove(bak_filename) | |
1386 | except: |
|
1392 | except: | |
1387 | pass |
|
1393 | pass | |
1388 |
|
1394 | |||
1389 | #---------------------------------------------------------------------------- |
|
1395 | #---------------------------------------------------------------------------- | |
1390 | def get_pager_cmd(pager_cmd = None): |
|
1396 | def get_pager_cmd(pager_cmd = None): | |
1391 | """Return a pager command. |
|
1397 | """Return a pager command. | |
1392 |
|
1398 | |||
1393 | Makes some attempts at finding an OS-correct one.""" |
|
1399 | Makes some attempts at finding an OS-correct one.""" | |
1394 |
|
1400 | |||
1395 | if os.name == 'posix': |
|
1401 | if os.name == 'posix': | |
1396 | default_pager_cmd = 'less -r' # -r for color control sequences |
|
1402 | default_pager_cmd = 'less -r' # -r for color control sequences | |
1397 | elif os.name in ['nt','dos']: |
|
1403 | elif os.name in ['nt','dos']: | |
1398 | default_pager_cmd = 'type' |
|
1404 | default_pager_cmd = 'type' | |
1399 |
|
1405 | |||
1400 | if pager_cmd is None: |
|
1406 | if pager_cmd is None: | |
1401 | try: |
|
1407 | try: | |
1402 | pager_cmd = os.environ['PAGER'] |
|
1408 | pager_cmd = os.environ['PAGER'] | |
1403 | except: |
|
1409 | except: | |
1404 | pager_cmd = default_pager_cmd |
|
1410 | pager_cmd = default_pager_cmd | |
1405 | return pager_cmd |
|
1411 | return pager_cmd | |
1406 |
|
1412 | |||
1407 | #----------------------------------------------------------------------------- |
|
1413 | #----------------------------------------------------------------------------- | |
1408 | def get_pager_start(pager,start): |
|
1414 | def get_pager_start(pager,start): | |
1409 | """Return the string for paging files with an offset. |
|
1415 | """Return the string for paging files with an offset. | |
1410 |
|
1416 | |||
1411 | This is the '+N' argument which less and more (under Unix) accept. |
|
1417 | This is the '+N' argument which less and more (under Unix) accept. | |
1412 | """ |
|
1418 | """ | |
1413 |
|
1419 | |||
1414 | if pager in ['less','more']: |
|
1420 | if pager in ['less','more']: | |
1415 | if start: |
|
1421 | if start: | |
1416 | start_string = '+' + str(start) |
|
1422 | start_string = '+' + str(start) | |
1417 | else: |
|
1423 | else: | |
1418 | start_string = '' |
|
1424 | start_string = '' | |
1419 | else: |
|
1425 | else: | |
1420 | start_string = '' |
|
1426 | start_string = '' | |
1421 | return start_string |
|
1427 | return start_string | |
1422 |
|
1428 | |||
1423 | #---------------------------------------------------------------------------- |
|
1429 | #---------------------------------------------------------------------------- | |
1424 | # (X)emacs on W32 doesn't like to be bypassed with msvcrt.getch() |
|
1430 | # (X)emacs on W32 doesn't like to be bypassed with msvcrt.getch() | |
1425 | if os.name == 'nt' and os.environ.get('TERM','dumb') != 'emacs': |
|
1431 | if os.name == 'nt' and os.environ.get('TERM','dumb') != 'emacs': | |
1426 | import msvcrt |
|
1432 | import msvcrt | |
1427 | def page_more(): |
|
1433 | def page_more(): | |
1428 | """ Smart pausing between pages |
|
1434 | """ Smart pausing between pages | |
1429 |
|
1435 | |||
1430 | @return: True if need print more lines, False if quit |
|
1436 | @return: True if need print more lines, False if quit | |
1431 | """ |
|
1437 | """ | |
1432 | Term.cout.write('---Return to continue, q to quit--- ') |
|
1438 | Term.cout.write('---Return to continue, q to quit--- ') | |
1433 | ans = msvcrt.getch() |
|
1439 | ans = msvcrt.getch() | |
1434 | if ans in ("q", "Q"): |
|
1440 | if ans in ("q", "Q"): | |
1435 | result = False |
|
1441 | result = False | |
1436 | else: |
|
1442 | else: | |
1437 | result = True |
|
1443 | result = True | |
1438 | Term.cout.write("\b"*37 + " "*37 + "\b"*37) |
|
1444 | Term.cout.write("\b"*37 + " "*37 + "\b"*37) | |
1439 | return result |
|
1445 | return result | |
1440 | else: |
|
1446 | else: | |
1441 | def page_more(): |
|
1447 | def page_more(): | |
1442 | ans = raw_input('---Return to continue, q to quit--- ') |
|
1448 | ans = raw_input('---Return to continue, q to quit--- ') | |
1443 | if ans.lower().startswith('q'): |
|
1449 | if ans.lower().startswith('q'): | |
1444 | return False |
|
1450 | return False | |
1445 | else: |
|
1451 | else: | |
1446 | return True |
|
1452 | return True | |
1447 |
|
1453 | |||
1448 | esc_re = re.compile(r"(\x1b[^m]+m)") |
|
1454 | esc_re = re.compile(r"(\x1b[^m]+m)") | |
1449 |
|
1455 | |||
1450 | def page_dumb(strng,start=0,screen_lines=25): |
|
1456 | def page_dumb(strng,start=0,screen_lines=25): | |
1451 | """Very dumb 'pager' in Python, for when nothing else works. |
|
1457 | """Very dumb 'pager' in Python, for when nothing else works. | |
1452 |
|
1458 | |||
1453 | Only moves forward, same interface as page(), except for pager_cmd and |
|
1459 | Only moves forward, same interface as page(), except for pager_cmd and | |
1454 | mode.""" |
|
1460 | mode.""" | |
1455 |
|
1461 | |||
1456 | out_ln = strng.splitlines()[start:] |
|
1462 | out_ln = strng.splitlines()[start:] | |
1457 | screens = chop(out_ln,screen_lines-1) |
|
1463 | screens = chop(out_ln,screen_lines-1) | |
1458 | if len(screens) == 1: |
|
1464 | if len(screens) == 1: | |
1459 | print >>Term.cout, os.linesep.join(screens[0]) |
|
1465 | print >>Term.cout, os.linesep.join(screens[0]) | |
1460 | else: |
|
1466 | else: | |
1461 | last_escape = "" |
|
1467 | last_escape = "" | |
1462 | for scr in screens[0:-1]: |
|
1468 | for scr in screens[0:-1]: | |
1463 | hunk = os.linesep.join(scr) |
|
1469 | hunk = os.linesep.join(scr) | |
1464 | print >>Term.cout, last_escape + hunk |
|
1470 | print >>Term.cout, last_escape + hunk | |
1465 | if not page_more(): |
|
1471 | if not page_more(): | |
1466 | return |
|
1472 | return | |
1467 | esc_list = esc_re.findall(hunk) |
|
1473 | esc_list = esc_re.findall(hunk) | |
1468 | if len(esc_list) > 0: |
|
1474 | if len(esc_list) > 0: | |
1469 | last_escape = esc_list[-1] |
|
1475 | last_escape = esc_list[-1] | |
1470 | print >>Term.cout, last_escape + os.linesep.join(screens[-1]) |
|
1476 | print >>Term.cout, last_escape + os.linesep.join(screens[-1]) | |
1471 |
|
1477 | |||
1472 | #---------------------------------------------------------------------------- |
|
1478 | #---------------------------------------------------------------------------- | |
1473 | def page(strng,start=0,screen_lines=0,pager_cmd = None): |
|
1479 | def page(strng,start=0,screen_lines=0,pager_cmd = None): | |
1474 | """Print a string, piping through a pager after a certain length. |
|
1480 | """Print a string, piping through a pager after a certain length. | |
1475 |
|
1481 | |||
1476 | The screen_lines parameter specifies the number of *usable* lines of your |
|
1482 | The screen_lines parameter specifies the number of *usable* lines of your | |
1477 | terminal screen (total lines minus lines you need to reserve to show other |
|
1483 | terminal screen (total lines minus lines you need to reserve to show other | |
1478 | information). |
|
1484 | information). | |
1479 |
|
1485 | |||
1480 | If you set screen_lines to a number <=0, page() will try to auto-determine |
|
1486 | If you set screen_lines to a number <=0, page() will try to auto-determine | |
1481 | your screen size and will only use up to (screen_size+screen_lines) for |
|
1487 | your screen size and will only use up to (screen_size+screen_lines) for | |
1482 | printing, paging after that. That is, if you want auto-detection but need |
|
1488 | printing, paging after that. That is, if you want auto-detection but need | |
1483 | to reserve the bottom 3 lines of the screen, use screen_lines = -3, and for |
|
1489 | to reserve the bottom 3 lines of the screen, use screen_lines = -3, and for | |
1484 | auto-detection without any lines reserved simply use screen_lines = 0. |
|
1490 | auto-detection without any lines reserved simply use screen_lines = 0. | |
1485 |
|
1491 | |||
1486 | If a string won't fit in the allowed lines, it is sent through the |
|
1492 | If a string won't fit in the allowed lines, it is sent through the | |
1487 | specified pager command. If none given, look for PAGER in the environment, |
|
1493 | specified pager command. If none given, look for PAGER in the environment, | |
1488 | and ultimately default to less. |
|
1494 | and ultimately default to less. | |
1489 |
|
1495 | |||
1490 | If no system pager works, the string is sent through a 'dumb pager' |
|
1496 | If no system pager works, the string is sent through a 'dumb pager' | |
1491 | written in python, very simplistic. |
|
1497 | written in python, very simplistic. | |
1492 | """ |
|
1498 | """ | |
1493 |
|
1499 | |||
1494 | # Ugly kludge, but calling curses.initscr() flat out crashes in emacs |
|
1500 | # Ugly kludge, but calling curses.initscr() flat out crashes in emacs | |
1495 | TERM = os.environ.get('TERM','dumb') |
|
1501 | TERM = os.environ.get('TERM','dumb') | |
1496 | if TERM in ['dumb','emacs'] and os.name != 'nt': |
|
1502 | if TERM in ['dumb','emacs'] and os.name != 'nt': | |
1497 | print strng |
|
1503 | print strng | |
1498 | return |
|
1504 | return | |
1499 | # chop off the topmost part of the string we don't want to see |
|
1505 | # chop off the topmost part of the string we don't want to see | |
1500 | str_lines = strng.split(os.linesep)[start:] |
|
1506 | str_lines = strng.split(os.linesep)[start:] | |
1501 | str_toprint = os.linesep.join(str_lines) |
|
1507 | str_toprint = os.linesep.join(str_lines) | |
1502 | num_newlines = len(str_lines) |
|
1508 | num_newlines = len(str_lines) | |
1503 | len_str = len(str_toprint) |
|
1509 | len_str = len(str_toprint) | |
1504 |
|
1510 | |||
1505 | # Dumb heuristics to guesstimate number of on-screen lines the string |
|
1511 | # Dumb heuristics to guesstimate number of on-screen lines the string | |
1506 | # takes. Very basic, but good enough for docstrings in reasonable |
|
1512 | # takes. Very basic, but good enough for docstrings in reasonable | |
1507 | # terminals. If someone later feels like refining it, it's not hard. |
|
1513 | # terminals. If someone later feels like refining it, it's not hard. | |
1508 | numlines = max(num_newlines,int(len_str/80)+1) |
|
1514 | numlines = max(num_newlines,int(len_str/80)+1) | |
1509 |
|
1515 | |||
1510 | if os.name == "nt": |
|
1516 | if os.name == "nt": | |
1511 | screen_lines_def = get_console_size(defaulty=25)[1] |
|
1517 | screen_lines_def = get_console_size(defaulty=25)[1] | |
1512 | else: |
|
1518 | else: | |
1513 | screen_lines_def = 25 # default value if we can't auto-determine |
|
1519 | screen_lines_def = 25 # default value if we can't auto-determine | |
1514 |
|
1520 | |||
1515 | # auto-determine screen size |
|
1521 | # auto-determine screen size | |
1516 | if screen_lines <= 0: |
|
1522 | if screen_lines <= 0: | |
1517 | if TERM=='xterm': |
|
1523 | if TERM=='xterm': | |
1518 | try: |
|
1524 | try: | |
1519 | import curses |
|
1525 | import curses | |
1520 | if hasattr(curses,'initscr'): |
|
1526 | if hasattr(curses,'initscr'): | |
1521 | use_curses = 1 |
|
1527 | use_curses = 1 | |
1522 | else: |
|
1528 | else: | |
1523 | use_curses = 0 |
|
1529 | use_curses = 0 | |
1524 | except ImportError: |
|
1530 | except ImportError: | |
1525 | use_curses = 0 |
|
1531 | use_curses = 0 | |
1526 | else: |
|
1532 | else: | |
1527 | # curses causes problems on many terminals other than xterm. |
|
1533 | # curses causes problems on many terminals other than xterm. | |
1528 | use_curses = 0 |
|
1534 | use_curses = 0 | |
1529 | if use_curses: |
|
1535 | if use_curses: | |
1530 | scr = curses.initscr() |
|
1536 | scr = curses.initscr() | |
1531 | screen_lines_real,screen_cols = scr.getmaxyx() |
|
1537 | screen_lines_real,screen_cols = scr.getmaxyx() | |
1532 | curses.endwin() |
|
1538 | curses.endwin() | |
1533 | screen_lines += screen_lines_real |
|
1539 | screen_lines += screen_lines_real | |
1534 | #print '***Screen size:',screen_lines_real,'lines x',\ |
|
1540 | #print '***Screen size:',screen_lines_real,'lines x',\ | |
1535 | #screen_cols,'columns.' # dbg |
|
1541 | #screen_cols,'columns.' # dbg | |
1536 | else: |
|
1542 | else: | |
1537 | screen_lines += screen_lines_def |
|
1543 | screen_lines += screen_lines_def | |
1538 |
|
1544 | |||
1539 | #print 'numlines',numlines,'screenlines',screen_lines # dbg |
|
1545 | #print 'numlines',numlines,'screenlines',screen_lines # dbg | |
1540 | if numlines <= screen_lines : |
|
1546 | if numlines <= screen_lines : | |
1541 | #print '*** normal print' # dbg |
|
1547 | #print '*** normal print' # dbg | |
1542 | print >>Term.cout, str_toprint |
|
1548 | print >>Term.cout, str_toprint | |
1543 | else: |
|
1549 | else: | |
1544 | # Try to open pager and default to internal one if that fails. |
|
1550 | # Try to open pager and default to internal one if that fails. | |
1545 | # All failure modes are tagged as 'retval=1', to match the return |
|
1551 | # All failure modes are tagged as 'retval=1', to match the return | |
1546 | # value of a failed system command. If any intermediate attempt |
|
1552 | # value of a failed system command. If any intermediate attempt | |
1547 | # sets retval to 1, at the end we resort to our own page_dumb() pager. |
|
1553 | # sets retval to 1, at the end we resort to our own page_dumb() pager. | |
1548 | pager_cmd = get_pager_cmd(pager_cmd) |
|
1554 | pager_cmd = get_pager_cmd(pager_cmd) | |
1549 | pager_cmd += ' ' + get_pager_start(pager_cmd,start) |
|
1555 | pager_cmd += ' ' + get_pager_start(pager_cmd,start) | |
1550 | if os.name == 'nt': |
|
1556 | if os.name == 'nt': | |
1551 | if pager_cmd.startswith('type'): |
|
1557 | if pager_cmd.startswith('type'): | |
1552 | # The default WinXP 'type' command is failing on complex strings. |
|
1558 | # The default WinXP 'type' command is failing on complex strings. | |
1553 | retval = 1 |
|
1559 | retval = 1 | |
1554 | else: |
|
1560 | else: | |
1555 | tmpname = tempfile.mktemp('.txt') |
|
1561 | tmpname = tempfile.mktemp('.txt') | |
1556 | tmpfile = file(tmpname,'wt') |
|
1562 | tmpfile = file(tmpname,'wt') | |
1557 | tmpfile.write(strng) |
|
1563 | tmpfile.write(strng) | |
1558 | tmpfile.close() |
|
1564 | tmpfile.close() | |
1559 | cmd = "%s < %s" % (pager_cmd,tmpname) |
|
1565 | cmd = "%s < %s" % (pager_cmd,tmpname) | |
1560 | if os.system(cmd): |
|
1566 | if os.system(cmd): | |
1561 | retval = 1 |
|
1567 | retval = 1 | |
1562 | else: |
|
1568 | else: | |
1563 | retval = None |
|
1569 | retval = None | |
1564 | os.remove(tmpname) |
|
1570 | os.remove(tmpname) | |
1565 | else: |
|
1571 | else: | |
1566 | try: |
|
1572 | try: | |
1567 | retval = None |
|
1573 | retval = None | |
1568 | # if I use popen4, things hang. No idea why. |
|
1574 | # if I use popen4, things hang. No idea why. | |
1569 | #pager,shell_out = os.popen4(pager_cmd) |
|
1575 | #pager,shell_out = os.popen4(pager_cmd) | |
1570 | pager = os.popen(pager_cmd,'w') |
|
1576 | pager = os.popen(pager_cmd,'w') | |
1571 | pager.write(strng) |
|
1577 | pager.write(strng) | |
1572 | pager.close() |
|
1578 | pager.close() | |
1573 | retval = pager.close() # success returns None |
|
1579 | retval = pager.close() # success returns None | |
1574 | except IOError,msg: # broken pipe when user quits |
|
1580 | except IOError,msg: # broken pipe when user quits | |
1575 | if msg.args == (32,'Broken pipe'): |
|
1581 | if msg.args == (32,'Broken pipe'): | |
1576 | retval = None |
|
1582 | retval = None | |
1577 | else: |
|
1583 | else: | |
1578 | retval = 1 |
|
1584 | retval = 1 | |
1579 | except OSError: |
|
1585 | except OSError: | |
1580 | # Other strange problems, sometimes seen in Win2k/cygwin |
|
1586 | # Other strange problems, sometimes seen in Win2k/cygwin | |
1581 | retval = 1 |
|
1587 | retval = 1 | |
1582 | if retval is not None: |
|
1588 | if retval is not None: | |
1583 | page_dumb(strng,screen_lines=screen_lines) |
|
1589 | page_dumb(strng,screen_lines=screen_lines) | |
1584 |
|
1590 | |||
1585 | #---------------------------------------------------------------------------- |
|
1591 | #---------------------------------------------------------------------------- | |
1586 | def page_file(fname,start = 0, pager_cmd = None): |
|
1592 | def page_file(fname,start = 0, pager_cmd = None): | |
1587 | """Page a file, using an optional pager command and starting line. |
|
1593 | """Page a file, using an optional pager command and starting line. | |
1588 | """ |
|
1594 | """ | |
1589 |
|
1595 | |||
1590 | pager_cmd = get_pager_cmd(pager_cmd) |
|
1596 | pager_cmd = get_pager_cmd(pager_cmd) | |
1591 | pager_cmd += ' ' + get_pager_start(pager_cmd,start) |
|
1597 | pager_cmd += ' ' + get_pager_start(pager_cmd,start) | |
1592 |
|
1598 | |||
1593 | try: |
|
1599 | try: | |
1594 | if os.environ['TERM'] in ['emacs','dumb']: |
|
1600 | if os.environ['TERM'] in ['emacs','dumb']: | |
1595 | raise EnvironmentError |
|
1601 | raise EnvironmentError | |
1596 | xsys(pager_cmd + ' ' + fname) |
|
1602 | xsys(pager_cmd + ' ' + fname) | |
1597 | except: |
|
1603 | except: | |
1598 | try: |
|
1604 | try: | |
1599 | if start > 0: |
|
1605 | if start > 0: | |
1600 | start -= 1 |
|
1606 | start -= 1 | |
1601 | page(open(fname).read(),start) |
|
1607 | page(open(fname).read(),start) | |
1602 | except: |
|
1608 | except: | |
1603 | print 'Unable to show file',`fname` |
|
1609 | print 'Unable to show file',`fname` | |
1604 |
|
1610 | |||
1605 | #---------------------------------------------------------------------------- |
|
1611 | #---------------------------------------------------------------------------- | |
1606 | def snip_print(str,width = 75,print_full = 0,header = ''): |
|
1612 | def snip_print(str,width = 75,print_full = 0,header = ''): | |
1607 | """Print a string snipping the midsection to fit in width. |
|
1613 | """Print a string snipping the midsection to fit in width. | |
1608 |
|
1614 | |||
1609 | print_full: mode control: |
|
1615 | print_full: mode control: | |
1610 | - 0: only snip long strings |
|
1616 | - 0: only snip long strings | |
1611 | - 1: send to page() directly. |
|
1617 | - 1: send to page() directly. | |
1612 | - 2: snip long strings and ask for full length viewing with page() |
|
1618 | - 2: snip long strings and ask for full length viewing with page() | |
1613 | Return 1 if snipping was necessary, 0 otherwise.""" |
|
1619 | Return 1 if snipping was necessary, 0 otherwise.""" | |
1614 |
|
1620 | |||
1615 | if print_full == 1: |
|
1621 | if print_full == 1: | |
1616 | page(header+str) |
|
1622 | page(header+str) | |
1617 | return 0 |
|
1623 | return 0 | |
1618 |
|
1624 | |||
1619 | print header, |
|
1625 | print header, | |
1620 | if len(str) < width: |
|
1626 | if len(str) < width: | |
1621 | print str |
|
1627 | print str | |
1622 | snip = 0 |
|
1628 | snip = 0 | |
1623 | else: |
|
1629 | else: | |
1624 | whalf = int((width -5)/2) |
|
1630 | whalf = int((width -5)/2) | |
1625 | print str[:whalf] + ' <...> ' + str[-whalf:] |
|
1631 | print str[:whalf] + ' <...> ' + str[-whalf:] | |
1626 | snip = 1 |
|
1632 | snip = 1 | |
1627 | if snip and print_full == 2: |
|
1633 | if snip and print_full == 2: | |
1628 | if raw_input(header+' Snipped. View (y/n)? [N]').lower() == 'y': |
|
1634 | if raw_input(header+' Snipped. View (y/n)? [N]').lower() == 'y': | |
1629 | page(str) |
|
1635 | page(str) | |
1630 | return snip |
|
1636 | return snip | |
1631 |
|
1637 | |||
1632 | #**************************************************************************** |
|
1638 | #**************************************************************************** | |
1633 | # lists, dicts and structures |
|
1639 | # lists, dicts and structures | |
1634 |
|
1640 | |||
1635 | def belong(candidates,checklist): |
|
1641 | def belong(candidates,checklist): | |
1636 | """Check whether a list of items appear in a given list of options. |
|
1642 | """Check whether a list of items appear in a given list of options. | |
1637 |
|
1643 | |||
1638 | Returns a list of 1 and 0, one for each candidate given.""" |
|
1644 | Returns a list of 1 and 0, one for each candidate given.""" | |
1639 |
|
1645 | |||
1640 | return [x in checklist for x in candidates] |
|
1646 | return [x in checklist for x in candidates] | |
1641 |
|
1647 | |||
1642 | #---------------------------------------------------------------------------- |
|
1648 | #---------------------------------------------------------------------------- | |
1643 | def uniq_stable(elems): |
|
1649 | def uniq_stable(elems): | |
1644 | """uniq_stable(elems) -> list |
|
1650 | """uniq_stable(elems) -> list | |
1645 |
|
1651 | |||
1646 | Return from an iterable, a list of all the unique elements in the input, |
|
1652 | Return from an iterable, a list of all the unique elements in the input, | |
1647 | but maintaining the order in which they first appear. |
|
1653 | but maintaining the order in which they first appear. | |
1648 |
|
1654 | |||
1649 | A naive solution to this problem which just makes a dictionary with the |
|
1655 | A naive solution to this problem which just makes a dictionary with the | |
1650 | elements as keys fails to respect the stability condition, since |
|
1656 | elements as keys fails to respect the stability condition, since | |
1651 | dictionaries are unsorted by nature. |
|
1657 | dictionaries are unsorted by nature. | |
1652 |
|
1658 | |||
1653 | Note: All elements in the input must be valid dictionary keys for this |
|
1659 | Note: All elements in the input must be valid dictionary keys for this | |
1654 | routine to work, as it internally uses a dictionary for efficiency |
|
1660 | routine to work, as it internally uses a dictionary for efficiency | |
1655 | reasons.""" |
|
1661 | reasons.""" | |
1656 |
|
1662 | |||
1657 | unique = [] |
|
1663 | unique = [] | |
1658 | unique_dict = {} |
|
1664 | unique_dict = {} | |
1659 | for nn in elems: |
|
1665 | for nn in elems: | |
1660 | if nn not in unique_dict: |
|
1666 | if nn not in unique_dict: | |
1661 | unique.append(nn) |
|
1667 | unique.append(nn) | |
1662 | unique_dict[nn] = None |
|
1668 | unique_dict[nn] = None | |
1663 | return unique |
|
1669 | return unique | |
1664 |
|
1670 | |||
1665 | #---------------------------------------------------------------------------- |
|
1671 | #---------------------------------------------------------------------------- | |
1666 | class NLprinter: |
|
1672 | class NLprinter: | |
1667 | """Print an arbitrarily nested list, indicating index numbers. |
|
1673 | """Print an arbitrarily nested list, indicating index numbers. | |
1668 |
|
1674 | |||
1669 | An instance of this class called nlprint is available and callable as a |
|
1675 | An instance of this class called nlprint is available and callable as a | |
1670 | function. |
|
1676 | function. | |
1671 |
|
1677 | |||
1672 | nlprint(list,indent=' ',sep=': ') -> prints indenting each level by 'indent' |
|
1678 | nlprint(list,indent=' ',sep=': ') -> prints indenting each level by 'indent' | |
1673 | and using 'sep' to separate the index from the value. """ |
|
1679 | and using 'sep' to separate the index from the value. """ | |
1674 |
|
1680 | |||
1675 | def __init__(self): |
|
1681 | def __init__(self): | |
1676 | self.depth = 0 |
|
1682 | self.depth = 0 | |
1677 |
|
1683 | |||
1678 | def __call__(self,lst,pos='',**kw): |
|
1684 | def __call__(self,lst,pos='',**kw): | |
1679 | """Prints the nested list numbering levels.""" |
|
1685 | """Prints the nested list numbering levels.""" | |
1680 | kw.setdefault('indent',' ') |
|
1686 | kw.setdefault('indent',' ') | |
1681 | kw.setdefault('sep',': ') |
|
1687 | kw.setdefault('sep',': ') | |
1682 | kw.setdefault('start',0) |
|
1688 | kw.setdefault('start',0) | |
1683 | kw.setdefault('stop',len(lst)) |
|
1689 | kw.setdefault('stop',len(lst)) | |
1684 | # we need to remove start and stop from kw so they don't propagate |
|
1690 | # we need to remove start and stop from kw so they don't propagate | |
1685 | # into a recursive call for a nested list. |
|
1691 | # into a recursive call for a nested list. | |
1686 | start = kw['start']; del kw['start'] |
|
1692 | start = kw['start']; del kw['start'] | |
1687 | stop = kw['stop']; del kw['stop'] |
|
1693 | stop = kw['stop']; del kw['stop'] | |
1688 | if self.depth == 0 and 'header' in kw.keys(): |
|
1694 | if self.depth == 0 and 'header' in kw.keys(): | |
1689 | print kw['header'] |
|
1695 | print kw['header'] | |
1690 |
|
1696 | |||
1691 | for idx in range(start,stop): |
|
1697 | for idx in range(start,stop): | |
1692 | elem = lst[idx] |
|
1698 | elem = lst[idx] | |
1693 | if type(elem)==type([]): |
|
1699 | if type(elem)==type([]): | |
1694 | self.depth += 1 |
|
1700 | self.depth += 1 | |
1695 | self.__call__(elem,itpl('$pos$idx,'),**kw) |
|
1701 | self.__call__(elem,itpl('$pos$idx,'),**kw) | |
1696 | self.depth -= 1 |
|
1702 | self.depth -= 1 | |
1697 | else: |
|
1703 | else: | |
1698 | printpl(kw['indent']*self.depth+'$pos$idx$kw["sep"]$elem') |
|
1704 | printpl(kw['indent']*self.depth+'$pos$idx$kw["sep"]$elem') | |
1699 |
|
1705 | |||
1700 | nlprint = NLprinter() |
|
1706 | nlprint = NLprinter() | |
1701 | #---------------------------------------------------------------------------- |
|
1707 | #---------------------------------------------------------------------------- | |
1702 | def all_belong(candidates,checklist): |
|
1708 | def all_belong(candidates,checklist): | |
1703 | """Check whether a list of items ALL appear in a given list of options. |
|
1709 | """Check whether a list of items ALL appear in a given list of options. | |
1704 |
|
1710 | |||
1705 | Returns a single 1 or 0 value.""" |
|
1711 | Returns a single 1 or 0 value.""" | |
1706 |
|
1712 | |||
1707 | return 1-(0 in [x in checklist for x in candidates]) |
|
1713 | return 1-(0 in [x in checklist for x in candidates]) | |
1708 |
|
1714 | |||
1709 | #---------------------------------------------------------------------------- |
|
1715 | #---------------------------------------------------------------------------- | |
1710 | def sort_compare(lst1,lst2,inplace = 1): |
|
1716 | def sort_compare(lst1,lst2,inplace = 1): | |
1711 | """Sort and compare two lists. |
|
1717 | """Sort and compare two lists. | |
1712 |
|
1718 | |||
1713 | By default it does it in place, thus modifying the lists. Use inplace = 0 |
|
1719 | By default it does it in place, thus modifying the lists. Use inplace = 0 | |
1714 | to avoid that (at the cost of temporary copy creation).""" |
|
1720 | to avoid that (at the cost of temporary copy creation).""" | |
1715 | if not inplace: |
|
1721 | if not inplace: | |
1716 | lst1 = lst1[:] |
|
1722 | lst1 = lst1[:] | |
1717 | lst2 = lst2[:] |
|
1723 | lst2 = lst2[:] | |
1718 | lst1.sort(); lst2.sort() |
|
1724 | lst1.sort(); lst2.sort() | |
1719 | return lst1 == lst2 |
|
1725 | return lst1 == lst2 | |
1720 |
|
1726 | |||
1721 | #---------------------------------------------------------------------------- |
|
1727 | #---------------------------------------------------------------------------- | |
1722 | def mkdict(**kwargs): |
|
1728 | def mkdict(**kwargs): | |
1723 | """Return a dict from a keyword list. |
|
1729 | """Return a dict from a keyword list. | |
1724 |
|
1730 | |||
1725 | It's just syntactic sugar for making ditcionary creation more convenient: |
|
1731 | It's just syntactic sugar for making ditcionary creation more convenient: | |
1726 | # the standard way |
|
1732 | # the standard way | |
1727 | >>>data = { 'red' : 1, 'green' : 2, 'blue' : 3 } |
|
1733 | >>>data = { 'red' : 1, 'green' : 2, 'blue' : 3 } | |
1728 | # a cleaner way |
|
1734 | # a cleaner way | |
1729 | >>>data = dict(red=1, green=2, blue=3) |
|
1735 | >>>data = dict(red=1, green=2, blue=3) | |
1730 |
|
1736 | |||
1731 | If you need more than this, look at the Struct() class.""" |
|
1737 | If you need more than this, look at the Struct() class.""" | |
1732 |
|
1738 | |||
1733 | return kwargs |
|
1739 | return kwargs | |
1734 |
|
1740 | |||
1735 | #---------------------------------------------------------------------------- |
|
1741 | #---------------------------------------------------------------------------- | |
1736 | def list2dict(lst): |
|
1742 | def list2dict(lst): | |
1737 | """Takes a list of (key,value) pairs and turns it into a dict.""" |
|
1743 | """Takes a list of (key,value) pairs and turns it into a dict.""" | |
1738 |
|
1744 | |||
1739 | dic = {} |
|
1745 | dic = {} | |
1740 | for k,v in lst: dic[k] = v |
|
1746 | for k,v in lst: dic[k] = v | |
1741 | return dic |
|
1747 | return dic | |
1742 |
|
1748 | |||
1743 | #---------------------------------------------------------------------------- |
|
1749 | #---------------------------------------------------------------------------- | |
1744 | def list2dict2(lst,default=''): |
|
1750 | def list2dict2(lst,default=''): | |
1745 | """Takes a list and turns it into a dict. |
|
1751 | """Takes a list and turns it into a dict. | |
1746 | Much slower than list2dict, but more versatile. This version can take |
|
1752 | Much slower than list2dict, but more versatile. This version can take | |
1747 | lists with sublists of arbitrary length (including sclars).""" |
|
1753 | lists with sublists of arbitrary length (including sclars).""" | |
1748 |
|
1754 | |||
1749 | dic = {} |
|
1755 | dic = {} | |
1750 | for elem in lst: |
|
1756 | for elem in lst: | |
1751 | if type(elem) in (types.ListType,types.TupleType): |
|
1757 | if type(elem) in (types.ListType,types.TupleType): | |
1752 | size = len(elem) |
|
1758 | size = len(elem) | |
1753 | if size == 0: |
|
1759 | if size == 0: | |
1754 | pass |
|
1760 | pass | |
1755 | elif size == 1: |
|
1761 | elif size == 1: | |
1756 | dic[elem] = default |
|
1762 | dic[elem] = default | |
1757 | else: |
|
1763 | else: | |
1758 | k,v = elem[0], elem[1:] |
|
1764 | k,v = elem[0], elem[1:] | |
1759 | if len(v) == 1: v = v[0] |
|
1765 | if len(v) == 1: v = v[0] | |
1760 | dic[k] = v |
|
1766 | dic[k] = v | |
1761 | else: |
|
1767 | else: | |
1762 | dic[elem] = default |
|
1768 | dic[elem] = default | |
1763 | return dic |
|
1769 | return dic | |
1764 |
|
1770 | |||
1765 | #---------------------------------------------------------------------------- |
|
1771 | #---------------------------------------------------------------------------- | |
1766 | def flatten(seq): |
|
1772 | def flatten(seq): | |
1767 | """Flatten a list of lists (NOT recursive, only works for 2d lists).""" |
|
1773 | """Flatten a list of lists (NOT recursive, only works for 2d lists).""" | |
1768 |
|
1774 | |||
1769 | return [x for subseq in seq for x in subseq] |
|
1775 | return [x for subseq in seq for x in subseq] | |
1770 |
|
1776 | |||
1771 | #---------------------------------------------------------------------------- |
|
1777 | #---------------------------------------------------------------------------- | |
1772 | def get_slice(seq,start=0,stop=None,step=1): |
|
1778 | def get_slice(seq,start=0,stop=None,step=1): | |
1773 | """Get a slice of a sequence with variable step. Specify start,stop,step.""" |
|
1779 | """Get a slice of a sequence with variable step. Specify start,stop,step.""" | |
1774 | if stop == None: |
|
1780 | if stop == None: | |
1775 | stop = len(seq) |
|
1781 | stop = len(seq) | |
1776 | item = lambda i: seq[i] |
|
1782 | item = lambda i: seq[i] | |
1777 | return map(item,xrange(start,stop,step)) |
|
1783 | return map(item,xrange(start,stop,step)) | |
1778 |
|
1784 | |||
1779 | #---------------------------------------------------------------------------- |
|
1785 | #---------------------------------------------------------------------------- | |
1780 | def chop(seq,size): |
|
1786 | def chop(seq,size): | |
1781 | """Chop a sequence into chunks of the given size.""" |
|
1787 | """Chop a sequence into chunks of the given size.""" | |
1782 | chunk = lambda i: seq[i:i+size] |
|
1788 | chunk = lambda i: seq[i:i+size] | |
1783 | return map(chunk,xrange(0,len(seq),size)) |
|
1789 | return map(chunk,xrange(0,len(seq),size)) | |
1784 |
|
1790 | |||
1785 | #---------------------------------------------------------------------------- |
|
1791 | #---------------------------------------------------------------------------- | |
1786 | # with is a keyword as of python 2.5, so this function is renamed to withobj |
|
1792 | # with is a keyword as of python 2.5, so this function is renamed to withobj | |
1787 | # from its old 'with' name. |
|
1793 | # from its old 'with' name. | |
1788 | def with_obj(object, **args): |
|
1794 | def with_obj(object, **args): | |
1789 | """Set multiple attributes for an object, similar to Pascal's with. |
|
1795 | """Set multiple attributes for an object, similar to Pascal's with. | |
1790 |
|
1796 | |||
1791 | Example: |
|
1797 | Example: | |
1792 | with_obj(jim, |
|
1798 | with_obj(jim, | |
1793 | born = 1960, |
|
1799 | born = 1960, | |
1794 | haircolour = 'Brown', |
|
1800 | haircolour = 'Brown', | |
1795 | eyecolour = 'Green') |
|
1801 | eyecolour = 'Green') | |
1796 |
|
1802 | |||
1797 | Credit: Greg Ewing, in |
|
1803 | Credit: Greg Ewing, in | |
1798 | http://mail.python.org/pipermail/python-list/2001-May/040703.html. |
|
1804 | http://mail.python.org/pipermail/python-list/2001-May/040703.html. | |
1799 |
|
1805 | |||
1800 | NOTE: up until IPython 0.7.2, this was called simply 'with', but 'with' |
|
1806 | NOTE: up until IPython 0.7.2, this was called simply 'with', but 'with' | |
1801 | has become a keyword for Python 2.5, so we had to rename it.""" |
|
1807 | has become a keyword for Python 2.5, so we had to rename it.""" | |
1802 |
|
1808 | |||
1803 | object.__dict__.update(args) |
|
1809 | object.__dict__.update(args) | |
1804 |
|
1810 | |||
1805 | #---------------------------------------------------------------------------- |
|
1811 | #---------------------------------------------------------------------------- | |
1806 | def setattr_list(obj,alist,nspace = None): |
|
1812 | def setattr_list(obj,alist,nspace = None): | |
1807 | """Set a list of attributes for an object taken from a namespace. |
|
1813 | """Set a list of attributes for an object taken from a namespace. | |
1808 |
|
1814 | |||
1809 | setattr_list(obj,alist,nspace) -> sets in obj all the attributes listed in |
|
1815 | setattr_list(obj,alist,nspace) -> sets in obj all the attributes listed in | |
1810 | alist with their values taken from nspace, which must be a dict (something |
|
1816 | alist with their values taken from nspace, which must be a dict (something | |
1811 | like locals() will often do) If nspace isn't given, locals() of the |
|
1817 | like locals() will often do) If nspace isn't given, locals() of the | |
1812 | *caller* is used, so in most cases you can omit it. |
|
1818 | *caller* is used, so in most cases you can omit it. | |
1813 |
|
1819 | |||
1814 | Note that alist can be given as a string, which will be automatically |
|
1820 | Note that alist can be given as a string, which will be automatically | |
1815 | split into a list on whitespace. If given as a list, it must be a list of |
|
1821 | split into a list on whitespace. If given as a list, it must be a list of | |
1816 | *strings* (the variable names themselves), not of variables.""" |
|
1822 | *strings* (the variable names themselves), not of variables.""" | |
1817 |
|
1823 | |||
1818 | # this grabs the local variables from the *previous* call frame -- that is |
|
1824 | # this grabs the local variables from the *previous* call frame -- that is | |
1819 | # the locals from the function that called setattr_list(). |
|
1825 | # the locals from the function that called setattr_list(). | |
1820 | # - snipped from weave.inline() |
|
1826 | # - snipped from weave.inline() | |
1821 | if nspace is None: |
|
1827 | if nspace is None: | |
1822 | call_frame = sys._getframe().f_back |
|
1828 | call_frame = sys._getframe().f_back | |
1823 | nspace = call_frame.f_locals |
|
1829 | nspace = call_frame.f_locals | |
1824 |
|
1830 | |||
1825 | if type(alist) in StringTypes: |
|
1831 | if type(alist) in StringTypes: | |
1826 | alist = alist.split() |
|
1832 | alist = alist.split() | |
1827 | for attr in alist: |
|
1833 | for attr in alist: | |
1828 | val = eval(attr,nspace) |
|
1834 | val = eval(attr,nspace) | |
1829 | setattr(obj,attr,val) |
|
1835 | setattr(obj,attr,val) | |
1830 |
|
1836 | |||
1831 | #---------------------------------------------------------------------------- |
|
1837 | #---------------------------------------------------------------------------- | |
1832 | def getattr_list(obj,alist,*args): |
|
1838 | def getattr_list(obj,alist,*args): | |
1833 | """getattr_list(obj,alist[, default]) -> attribute list. |
|
1839 | """getattr_list(obj,alist[, default]) -> attribute list. | |
1834 |
|
1840 | |||
1835 | Get a list of named attributes for an object. When a default argument is |
|
1841 | Get a list of named attributes for an object. When a default argument is | |
1836 | given, it is returned when the attribute doesn't exist; without it, an |
|
1842 | given, it is returned when the attribute doesn't exist; without it, an | |
1837 | exception is raised in that case. |
|
1843 | exception is raised in that case. | |
1838 |
|
1844 | |||
1839 | Note that alist can be given as a string, which will be automatically |
|
1845 | Note that alist can be given as a string, which will be automatically | |
1840 | split into a list on whitespace. If given as a list, it must be a list of |
|
1846 | split into a list on whitespace. If given as a list, it must be a list of | |
1841 | *strings* (the variable names themselves), not of variables.""" |
|
1847 | *strings* (the variable names themselves), not of variables.""" | |
1842 |
|
1848 | |||
1843 | if type(alist) in StringTypes: |
|
1849 | if type(alist) in StringTypes: | |
1844 | alist = alist.split() |
|
1850 | alist = alist.split() | |
1845 | if args: |
|
1851 | if args: | |
1846 | if len(args)==1: |
|
1852 | if len(args)==1: | |
1847 | default = args[0] |
|
1853 | default = args[0] | |
1848 | return map(lambda attr: getattr(obj,attr,default),alist) |
|
1854 | return map(lambda attr: getattr(obj,attr,default),alist) | |
1849 | else: |
|
1855 | else: | |
1850 | raise ValueError,'getattr_list() takes only one optional argument' |
|
1856 | raise ValueError,'getattr_list() takes only one optional argument' | |
1851 | else: |
|
1857 | else: | |
1852 | return map(lambda attr: getattr(obj,attr),alist) |
|
1858 | return map(lambda attr: getattr(obj,attr),alist) | |
1853 |
|
1859 | |||
1854 | #---------------------------------------------------------------------------- |
|
1860 | #---------------------------------------------------------------------------- | |
1855 | def map_method(method,object_list,*argseq,**kw): |
|
1861 | def map_method(method,object_list,*argseq,**kw): | |
1856 | """map_method(method,object_list,*args,**kw) -> list |
|
1862 | """map_method(method,object_list,*args,**kw) -> list | |
1857 |
|
1863 | |||
1858 | Return a list of the results of applying the methods to the items of the |
|
1864 | Return a list of the results of applying the methods to the items of the | |
1859 | argument sequence(s). If more than one sequence is given, the method is |
|
1865 | argument sequence(s). If more than one sequence is given, the method is | |
1860 | called with an argument list consisting of the corresponding item of each |
|
1866 | called with an argument list consisting of the corresponding item of each | |
1861 | sequence. All sequences must be of the same length. |
|
1867 | sequence. All sequences must be of the same length. | |
1862 |
|
1868 | |||
1863 | Keyword arguments are passed verbatim to all objects called. |
|
1869 | Keyword arguments are passed verbatim to all objects called. | |
1864 |
|
1870 | |||
1865 | This is Python code, so it's not nearly as fast as the builtin map().""" |
|
1871 | This is Python code, so it's not nearly as fast as the builtin map().""" | |
1866 |
|
1872 | |||
1867 | out_list = [] |
|
1873 | out_list = [] | |
1868 | idx = 0 |
|
1874 | idx = 0 | |
1869 | for object in object_list: |
|
1875 | for object in object_list: | |
1870 | try: |
|
1876 | try: | |
1871 | handler = getattr(object, method) |
|
1877 | handler = getattr(object, method) | |
1872 | except AttributeError: |
|
1878 | except AttributeError: | |
1873 | out_list.append(None) |
|
1879 | out_list.append(None) | |
1874 | else: |
|
1880 | else: | |
1875 | if argseq: |
|
1881 | if argseq: | |
1876 | args = map(lambda lst:lst[idx],argseq) |
|
1882 | args = map(lambda lst:lst[idx],argseq) | |
1877 | #print 'ob',object,'hand',handler,'ar',args # dbg |
|
1883 | #print 'ob',object,'hand',handler,'ar',args # dbg | |
1878 | out_list.append(handler(args,**kw)) |
|
1884 | out_list.append(handler(args,**kw)) | |
1879 | else: |
|
1885 | else: | |
1880 | out_list.append(handler(**kw)) |
|
1886 | out_list.append(handler(**kw)) | |
1881 | idx += 1 |
|
1887 | idx += 1 | |
1882 | return out_list |
|
1888 | return out_list | |
1883 |
|
1889 | |||
1884 | #---------------------------------------------------------------------------- |
|
1890 | #---------------------------------------------------------------------------- | |
1885 | def get_class_members(cls): |
|
1891 | def get_class_members(cls): | |
1886 | ret = dir(cls) |
|
1892 | ret = dir(cls) | |
1887 | if hasattr(cls,'__bases__'): |
|
1893 | if hasattr(cls,'__bases__'): | |
1888 | for base in cls.__bases__: |
|
1894 | for base in cls.__bases__: | |
1889 | ret.extend(get_class_members(base)) |
|
1895 | ret.extend(get_class_members(base)) | |
1890 | return ret |
|
1896 | return ret | |
1891 |
|
1897 | |||
1892 | #---------------------------------------------------------------------------- |
|
1898 | #---------------------------------------------------------------------------- | |
1893 | def dir2(obj): |
|
1899 | def dir2(obj): | |
1894 | """dir2(obj) -> list of strings |
|
1900 | """dir2(obj) -> list of strings | |
1895 |
|
1901 | |||
1896 | Extended version of the Python builtin dir(), which does a few extra |
|
1902 | Extended version of the Python builtin dir(), which does a few extra | |
1897 | checks, and supports common objects with unusual internals that confuse |
|
1903 | checks, and supports common objects with unusual internals that confuse | |
1898 | dir(), such as Traits and PyCrust. |
|
1904 | dir(), such as Traits and PyCrust. | |
1899 |
|
1905 | |||
1900 | This version is guaranteed to return only a list of true strings, whereas |
|
1906 | This version is guaranteed to return only a list of true strings, whereas | |
1901 | dir() returns anything that objects inject into themselves, even if they |
|
1907 | dir() returns anything that objects inject into themselves, even if they | |
1902 | are later not really valid for attribute access (many extension libraries |
|
1908 | are later not really valid for attribute access (many extension libraries | |
1903 | have such bugs). |
|
1909 | have such bugs). | |
1904 | """ |
|
1910 | """ | |
1905 |
|
1911 | |||
1906 | # Start building the attribute list via dir(), and then complete it |
|
1912 | # Start building the attribute list via dir(), and then complete it | |
1907 | # with a few extra special-purpose calls. |
|
1913 | # with a few extra special-purpose calls. | |
1908 | words = dir(obj) |
|
1914 | words = dir(obj) | |
1909 |
|
1915 | |||
1910 | if hasattr(obj,'__class__'): |
|
1916 | if hasattr(obj,'__class__'): | |
1911 | words.append('__class__') |
|
1917 | words.append('__class__') | |
1912 | words.extend(get_class_members(obj.__class__)) |
|
1918 | words.extend(get_class_members(obj.__class__)) | |
1913 | #if '__base__' in words: 1/0 |
|
1919 | #if '__base__' in words: 1/0 | |
1914 |
|
1920 | |||
1915 | # Some libraries (such as traits) may introduce duplicates, we want to |
|
1921 | # Some libraries (such as traits) may introduce duplicates, we want to | |
1916 | # track and clean this up if it happens |
|
1922 | # track and clean this up if it happens | |
1917 | may_have_dupes = False |
|
1923 | may_have_dupes = False | |
1918 |
|
1924 | |||
1919 | # this is the 'dir' function for objects with Enthought's traits |
|
1925 | # this is the 'dir' function for objects with Enthought's traits | |
1920 | if hasattr(obj, 'trait_names'): |
|
1926 | if hasattr(obj, 'trait_names'): | |
1921 | try: |
|
1927 | try: | |
1922 | words.extend(obj.trait_names()) |
|
1928 | words.extend(obj.trait_names()) | |
1923 | may_have_dupes = True |
|
1929 | may_have_dupes = True | |
1924 | except TypeError: |
|
1930 | except TypeError: | |
1925 | # This will happen if `obj` is a class and not an instance. |
|
1931 | # This will happen if `obj` is a class and not an instance. | |
1926 | pass |
|
1932 | pass | |
1927 |
|
1933 | |||
1928 | # Support for PyCrust-style _getAttributeNames magic method. |
|
1934 | # Support for PyCrust-style _getAttributeNames magic method. | |
1929 | if hasattr(obj, '_getAttributeNames'): |
|
1935 | if hasattr(obj, '_getAttributeNames'): | |
1930 | try: |
|
1936 | try: | |
1931 | words.extend(obj._getAttributeNames()) |
|
1937 | words.extend(obj._getAttributeNames()) | |
1932 | may_have_dupes = True |
|
1938 | may_have_dupes = True | |
1933 | except TypeError: |
|
1939 | except TypeError: | |
1934 | # `obj` is a class and not an instance. Ignore |
|
1940 | # `obj` is a class and not an instance. Ignore | |
1935 | # this error. |
|
1941 | # this error. | |
1936 | pass |
|
1942 | pass | |
1937 |
|
1943 | |||
1938 | if may_have_dupes: |
|
1944 | if may_have_dupes: | |
1939 | # eliminate possible duplicates, as some traits may also |
|
1945 | # eliminate possible duplicates, as some traits may also | |
1940 | # appear as normal attributes in the dir() call. |
|
1946 | # appear as normal attributes in the dir() call. | |
1941 | words = list(set(words)) |
|
1947 | words = list(set(words)) | |
1942 | words.sort() |
|
1948 | words.sort() | |
1943 |
|
1949 | |||
1944 | # filter out non-string attributes which may be stuffed by dir() calls |
|
1950 | # filter out non-string attributes which may be stuffed by dir() calls | |
1945 | # and poor coding in third-party modules |
|
1951 | # and poor coding in third-party modules | |
1946 | return [w for w in words if isinstance(w, basestring)] |
|
1952 | return [w for w in words if isinstance(w, basestring)] | |
1947 |
|
1953 | |||
1948 | #---------------------------------------------------------------------------- |
|
1954 | #---------------------------------------------------------------------------- | |
1949 | def import_fail_info(mod_name,fns=None): |
|
1955 | def import_fail_info(mod_name,fns=None): | |
1950 | """Inform load failure for a module.""" |
|
1956 | """Inform load failure for a module.""" | |
1951 |
|
1957 | |||
1952 | if fns == None: |
|
1958 | if fns == None: | |
1953 | warn("Loading of %s failed.\n" % (mod_name,)) |
|
1959 | warn("Loading of %s failed.\n" % (mod_name,)) | |
1954 | else: |
|
1960 | else: | |
1955 | warn("Loading of %s from %s failed.\n" % (fns,mod_name)) |
|
1961 | warn("Loading of %s from %s failed.\n" % (fns,mod_name)) | |
1956 |
|
1962 | |||
1957 | #---------------------------------------------------------------------------- |
|
1963 | #---------------------------------------------------------------------------- | |
1958 | # Proposed popitem() extension, written as a method |
|
1964 | # Proposed popitem() extension, written as a method | |
1959 |
|
1965 | |||
1960 |
|
1966 | |||
1961 | class NotGiven: pass |
|
1967 | class NotGiven: pass | |
1962 |
|
1968 | |||
1963 | def popkey(dct,key,default=NotGiven): |
|
1969 | def popkey(dct,key,default=NotGiven): | |
1964 | """Return dct[key] and delete dct[key]. |
|
1970 | """Return dct[key] and delete dct[key]. | |
1965 |
|
1971 | |||
1966 | If default is given, return it if dct[key] doesn't exist, otherwise raise |
|
1972 | If default is given, return it if dct[key] doesn't exist, otherwise raise | |
1967 | KeyError. """ |
|
1973 | KeyError. """ | |
1968 |
|
1974 | |||
1969 | try: |
|
1975 | try: | |
1970 | val = dct[key] |
|
1976 | val = dct[key] | |
1971 | except KeyError: |
|
1977 | except KeyError: | |
1972 | if default is NotGiven: |
|
1978 | if default is NotGiven: | |
1973 | raise |
|
1979 | raise | |
1974 | else: |
|
1980 | else: | |
1975 | return default |
|
1981 | return default | |
1976 | else: |
|
1982 | else: | |
1977 | del dct[key] |
|
1983 | del dct[key] | |
1978 | return val |
|
1984 | return val | |
1979 |
|
1985 | |||
1980 | def wrap_deprecated(func, suggest = '<nothing>'): |
|
1986 | def wrap_deprecated(func, suggest = '<nothing>'): | |
1981 | def newFunc(*args, **kwargs): |
|
1987 | def newFunc(*args, **kwargs): | |
1982 | warnings.warn("Call to deprecated function %s, use %s instead" % |
|
1988 | warnings.warn("Call to deprecated function %s, use %s instead" % | |
1983 | ( func.__name__, suggest), |
|
1989 | ( func.__name__, suggest), | |
1984 | category=DeprecationWarning, |
|
1990 | category=DeprecationWarning, | |
1985 | stacklevel = 2) |
|
1991 | stacklevel = 2) | |
1986 | return func(*args, **kwargs) |
|
1992 | return func(*args, **kwargs) | |
1987 | return newFunc |
|
1993 | return newFunc | |
1988 |
|
1994 | |||
1989 | #*************************** end of file <genutils.py> ********************** |
|
1995 | #*************************** end of file <genutils.py> ********************** | |
1990 |
|
1996 |
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