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annotate mercurial/color.py @ 31100:8903f67b9ca8

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color: move 'terminfosetup' into the core module Another step closer to have all the logic living in core
author Pierre-Yves David <pierre-yves.david@ens-lyon.org>
date Thu, 22 Dec 2016 14:17:52 +0100
parents a2ee25ff75e5
children 9021a94a7dbf
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30652
1ec42bdd7874 color: move hgext.color._styles to mercurial.color.style
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1 # utility for color output for Mercurial commands
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2 #
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3 # Copyright (C) 2007 Kevin Christen <kevin.christen@gmail.com> and other
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 from .i18n import _
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11
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12 from . import pycompat
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13
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14 try:
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15 import curses
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16 # Mapping from effect name to terminfo attribute name (or raw code) or
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17 # color number. This will also force-load the curses module.
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18 _terminfo_params = {'none': (True, 'sgr0', ''),
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19 'standout': (True, 'smso', ''),
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20 'underline': (True, 'smul', ''),
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21 'reverse': (True, 'rev', ''),
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22 'inverse': (True, 'rev', ''),
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23 'blink': (True, 'blink', ''),
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24 'dim': (True, 'dim', ''),
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25 'bold': (True, 'bold', ''),
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26 'invisible': (True, 'invis', ''),
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27 'italic': (True, 'sitm', ''),
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28 'black': (False, curses.COLOR_BLACK, ''),
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29 'red': (False, curses.COLOR_RED, ''),
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30 'green': (False, curses.COLOR_GREEN, ''),
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31 'yellow': (False, curses.COLOR_YELLOW, ''),
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32 'blue': (False, curses.COLOR_BLUE, ''),
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33 'magenta': (False, curses.COLOR_MAGENTA, ''),
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34 'cyan': (False, curses.COLOR_CYAN, ''),
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35 'white': (False, curses.COLOR_WHITE, '')}
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36 except ImportError:
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37 curses = None
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38 _terminfo_params = {}
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39
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40 # start and stop parameters for effects
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41 _effects = {'none': 0,
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42 'black': 30,
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43 'red': 31,
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44 'green': 32,
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45 'yellow': 33,
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46 'blue': 34,
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47 'magenta': 35,
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48 'cyan': 36,
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49 'white': 37,
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50 'bold': 1,
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51 'italic': 3,
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52 'underline': 4,
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53 'inverse': 7,
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54 'dim': 2,
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55 'black_background': 40,
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56 'red_background': 41,
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57 'green_background': 42,
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58 'yellow_background': 43,
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59 'blue_background': 44,
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60 'purple_background': 45,
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61 'cyan_background': 46,
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62 'white_background': 47}
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63
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64 _styles = {'grep.match': 'red bold',
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65 'grep.linenumber': 'green',
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66 'grep.rev': 'green',
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67 'grep.change': 'green',
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68 'grep.sep': 'cyan',
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69 'grep.filename': 'magenta',
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70 'grep.user': 'magenta',
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71 'grep.date': 'magenta',
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72 'bookmarks.active': 'green',
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73 'branches.active': 'none',
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74 'branches.closed': 'black bold',
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75 'branches.current': 'green',
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76 'branches.inactive': 'none',
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77 'diff.changed': 'white',
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78 'diff.deleted': 'red',
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79 'diff.diffline': 'bold',
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80 'diff.extended': 'cyan bold',
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81 'diff.file_a': 'red bold',
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82 'diff.file_b': 'green bold',
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83 'diff.hunk': 'magenta',
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84 'diff.inserted': 'green',
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85 'diff.tab': '',
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86 'diff.trailingwhitespace': 'bold red_background',
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87 'changeset.public' : '',
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88 'changeset.draft' : '',
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89 'changeset.secret' : '',
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90 'diffstat.deleted': 'red',
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91 'diffstat.inserted': 'green',
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92 'histedit.remaining': 'red bold',
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93 'ui.prompt': 'yellow',
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94 'log.changeset': 'yellow',
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95 'patchbomb.finalsummary': '',
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96 'patchbomb.from': 'magenta',
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97 'patchbomb.to': 'cyan',
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98 'patchbomb.subject': 'green',
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99 'patchbomb.diffstats': '',
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100 'rebase.rebased': 'blue',
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101 'rebase.remaining': 'red bold',
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102 'resolve.resolved': 'green bold',
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103 'resolve.unresolved': 'red bold',
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104 'shelve.age': 'cyan',
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105 'shelve.newest': 'green bold',
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106 'shelve.name': 'blue bold',
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107 'status.added': 'green bold',
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108 'status.clean': 'none',
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109 'status.copied': 'none',
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110 'status.deleted': 'cyan bold underline',
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111 'status.ignored': 'black bold',
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112 'status.modified': 'blue bold',
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diff changeset
113 'status.removed': 'red bold',
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diff changeset
114 'status.unknown': 'magenta bold underline',
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115 'tags.normal': 'green',
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diff changeset
116 'tags.local': 'black bold'}
30653
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diff changeset
117
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diff changeset
118 def loadcolortable(ui, extname, colortable):
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119 _styles.update(colortable)
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diff changeset
120
31100
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diff changeset
121 def _terminfosetup(ui, mode):
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diff changeset
122 '''Initialize terminfo data and the terminal if we're in terminfo mode.'''
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123
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124 # If we failed to load curses, we go ahead and return.
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diff changeset
125 if curses is None:
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diff changeset
126 return
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127 # Otherwise, see what the config file says.
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128 if mode not in ('auto', 'terminfo'):
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diff changeset
129 return
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diff changeset
130
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diff changeset
131 for key, val in ui.configitems('color'):
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diff changeset
132 if key.startswith('color.'):
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diff changeset
133 newval = (False, int(val), '')
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diff changeset
134 _terminfo_params[key[6:]] = newval
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diff changeset
135 elif key.startswith('terminfo.'):
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diff changeset
136 newval = (True, '', val.replace('\\E', '\x1b'))
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diff changeset
137 _terminfo_params[key[9:]] = newval
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diff changeset
138 try:
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diff changeset
139 curses.setupterm()
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diff changeset
140 except curses.error as e:
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diff changeset
141 _terminfo_params.clear()
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diff changeset
142 return
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diff changeset
143
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diff changeset
144 for key, (b, e, c) in _terminfo_params.items():
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diff changeset
145 if not b:
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diff changeset
146 continue
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diff changeset
147 if not c and not curses.tigetstr(e):
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diff changeset
148 # Most terminals don't support dim, invis, etc, so don't be
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diff changeset
149 # noisy and use ui.debug().
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diff changeset
150 ui.debug("no terminfo entry for %s\n" % e)
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diff changeset
151 del _terminfo_params[key]
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diff changeset
152 if not curses.tigetstr('setaf') or not curses.tigetstr('setab'):
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diff changeset
153 # Only warn about missing terminfo entries if we explicitly asked for
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diff changeset
154 # terminfo mode.
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diff changeset
155 if mode == "terminfo":
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diff changeset
156 ui.warn(_("no terminfo entry for setab/setaf: reverting to "
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diff changeset
157 "ECMA-48 color\n"))
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diff changeset
158 _terminfo_params.clear()
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diff changeset
159
30971
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diff changeset
160 def configstyles(ui):
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diff changeset
161 for status, cfgeffects in ui.configitems('color'):
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diff changeset
162 if '.' not in status or status.startswith(('color.', 'terminfo.')):
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diff changeset
163 continue
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diff changeset
164 cfgeffects = ui.configlist('color', status)
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diff changeset
165 if cfgeffects:
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diff changeset
166 good = []
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diff changeset
167 for e in cfgeffects:
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diff changeset
168 if valideffect(e):
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diff changeset
169 good.append(e)
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diff changeset
170 else:
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diff changeset
171 ui.warn(_("ignoring unknown color/effect %r "
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diff changeset
172 "(configured in color.%s)\n")
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diff changeset
173 % (e, status))
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diff changeset
174 _styles[status] = ' '.join(good)
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diff changeset
175
30969
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diff changeset
176 def valideffect(effect):
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diff changeset
177 'Determine if the effect is valid or not.'
30970
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diff changeset
178 return ((not _terminfo_params and effect in _effects)
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diff changeset
179 or (effect in _terminfo_params
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diff changeset
180 or effect[:-11] in _terminfo_params))
30972
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diff changeset
181
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diff changeset
182 def _effect_str(effect):
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diff changeset
183 '''Helper function for render_effects().'''
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diff changeset
184
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diff changeset
185 bg = False
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diff changeset
186 if effect.endswith('_background'):
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diff changeset
187 bg = True
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diff changeset
188 effect = effect[:-11]
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diff changeset
189 try:
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diff changeset
190 attr, val, termcode = _terminfo_params[effect]
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diff changeset
191 except KeyError:
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diff changeset
192 return ''
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diff changeset
193 if attr:
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diff changeset
194 if termcode:
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diff changeset
195 return termcode
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diff changeset
196 else:
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diff changeset
197 return curses.tigetstr(val)
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diff changeset
198 elif bg:
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diff changeset
199 return curses.tparm(curses.tigetstr('setab'), val)
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diff changeset
200 else:
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diff changeset
201 return curses.tparm(curses.tigetstr('setaf'), val)
30973
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diff changeset
202
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diff changeset
203 def _render_effects(text, effects):
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diff changeset
204 'Wrap text in commands to turn on each effect.'
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diff changeset
205 if not text:
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diff changeset
206 return text
31071
350d737e059d color: minor reversal of two conditional clause for clarity
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31067
diff changeset
207 if _terminfo_params:
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diff changeset
208 start = ''.join(_effect_str(effect)
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diff changeset
209 for effect in ['none'] + effects.split())
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diff changeset
210 stop = _effect_str('none')
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diff changeset
211 else:
30973
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diff changeset
212 start = [str(_effects[e]) for e in ['none'] + effects.split()]
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diff changeset
213 start = '\033[' + ';'.join(start) + 'm'
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diff changeset
214 stop = '\033[' + str(_effects['none']) + 'm'
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diff changeset
215 return ''.join([start, text, stop])
31067
a0bde5ec3a46 color: move 'win32' declaration to the core module
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diff changeset
216
31086
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diff changeset
217 def colorlabel(ui, msg, label):
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diff changeset
218 """add color control code according to the mode"""
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diff changeset
219 if ui._colormode == 'debug':
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diff changeset
220 if label and msg:
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diff changeset
221 if msg[-1] == '\n':
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diff changeset
222 msg = "[%s|%s]\n" % (label, msg[:-1])
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diff changeset
223 else:
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diff changeset
224 msg = "[%s|%s]" % (label, msg)
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diff changeset
225 elif ui._colormode is not None:
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diff changeset
226 effects = []
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diff changeset
227 for l in label.split():
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228 s = _styles.get(l, '')
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229 if s:
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230 effects.append(s)
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231 elif valideffect(l):
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232 effects.append(l)
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233 effects = ' '.join(effects)
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234 if effects:
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235 msg = '\n'.join([_render_effects(line, effects)
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236 for line in msg.split('\n')])
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237 return msg
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238
31067
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239 w32effects = None
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240 if pycompat.osname == 'nt':
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241 import ctypes
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242 import re
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243
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244 _kernel32 = ctypes.windll.kernel32
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245
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246 _WORD = ctypes.c_ushort
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247
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248 _INVALID_HANDLE_VALUE = -1
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249
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250 class _COORD(ctypes.Structure):
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251 _fields_ = [('X', ctypes.c_short),
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252 ('Y', ctypes.c_short)]
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253
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254 class _SMALL_RECT(ctypes.Structure):
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255 _fields_ = [('Left', ctypes.c_short),
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256 ('Top', ctypes.c_short),
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257 ('Right', ctypes.c_short),
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258 ('Bottom', ctypes.c_short)]
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259
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260 class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
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261 _fields_ = [('dwSize', _COORD),
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262 ('dwCursorPosition', _COORD),
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263 ('wAttributes', _WORD),
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264 ('srWindow', _SMALL_RECT),
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265 ('dwMaximumWindowSize', _COORD)]
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266
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267 _STD_OUTPUT_HANDLE = 0xfffffff5 # (DWORD)-11
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268 _STD_ERROR_HANDLE = 0xfffffff4 # (DWORD)-12
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269
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270 _FOREGROUND_BLUE = 0x0001
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271 _FOREGROUND_GREEN = 0x0002
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272 _FOREGROUND_RED = 0x0004
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273 _FOREGROUND_INTENSITY = 0x0008
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274
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275 _BACKGROUND_BLUE = 0x0010
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276 _BACKGROUND_GREEN = 0x0020
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277 _BACKGROUND_RED = 0x0040
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278 _BACKGROUND_INTENSITY = 0x0080
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279
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280 _COMMON_LVB_REVERSE_VIDEO = 0x4000
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281 _COMMON_LVB_UNDERSCORE = 0x8000
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282
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283 # http://msdn.microsoft.com/en-us/library/ms682088%28VS.85%29.aspx
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284 w32effects = {
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285 'none': -1,
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286 'black': 0,
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287 'red': _FOREGROUND_RED,
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288 'green': _FOREGROUND_GREEN,
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289 'yellow': _FOREGROUND_RED | _FOREGROUND_GREEN,
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290 'blue': _FOREGROUND_BLUE,
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291 'magenta': _FOREGROUND_BLUE | _FOREGROUND_RED,
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292 'cyan': _FOREGROUND_BLUE | _FOREGROUND_GREEN,
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293 'white': _FOREGROUND_RED | _FOREGROUND_GREEN | _FOREGROUND_BLUE,
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294 'bold': _FOREGROUND_INTENSITY,
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295 'black_background': 0x100, # unused value > 0x0f
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296 'red_background': _BACKGROUND_RED,
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297 'green_background': _BACKGROUND_GREEN,
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298 'yellow_background': _BACKGROUND_RED | _BACKGROUND_GREEN,
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299 'blue_background': _BACKGROUND_BLUE,
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300 'purple_background': _BACKGROUND_BLUE | _BACKGROUND_RED,
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301 'cyan_background': _BACKGROUND_BLUE | _BACKGROUND_GREEN,
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302 'white_background': (_BACKGROUND_RED | _BACKGROUND_GREEN |
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303 _BACKGROUND_BLUE),
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304 'bold_background': _BACKGROUND_INTENSITY,
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305 'underline': _COMMON_LVB_UNDERSCORE, # double-byte charsets only
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306 'inverse': _COMMON_LVB_REVERSE_VIDEO, # double-byte charsets only
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307 }
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308
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309 passthrough = set([_FOREGROUND_INTENSITY,
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310 _BACKGROUND_INTENSITY,
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311 _COMMON_LVB_UNDERSCORE,
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312 _COMMON_LVB_REVERSE_VIDEO])
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313
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314 stdout = _kernel32.GetStdHandle(
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315 _STD_OUTPUT_HANDLE) # don't close the handle returned
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316 if stdout is None or stdout == _INVALID_HANDLE_VALUE:
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317 w32effects = None
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318 else:
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319 csbi = _CONSOLE_SCREEN_BUFFER_INFO()
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320 if not _kernel32.GetConsoleScreenBufferInfo(
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321 stdout, ctypes.byref(csbi)):
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322 # stdout may not support GetConsoleScreenBufferInfo()
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323 # when called from subprocess or redirected
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324 w32effects = None
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325 else:
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326 origattr = csbi.wAttributes
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327 ansire = re.compile('\033\[([^m]*)m([^\033]*)(.*)',
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328 re.MULTILINE | re.DOTALL)
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329
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330 def win32print(writefunc, *msgs, **opts):
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331 for text in msgs:
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332 _win32print(text, writefunc, **opts)
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333
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334 def _win32print(text, writefunc, **opts):
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335 label = opts.get('label', '')
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336 attr = origattr
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337
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338 def mapcolor(val, attr):
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339 if val == -1:
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340 return origattr
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341 elif val in passthrough:
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342 return attr | val
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parents: 30973
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343 elif val > 0x0f:
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parents: 30973
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344 return (val & 0x70) | (attr & 0x8f)
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parents: 30973
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345 else:
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parents: 30973
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346 return (val & 0x07) | (attr & 0xf8)
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parents: 30973
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347
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parents: 30973
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348 # determine console attributes based on labels
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parents: 30973
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349 for l in label.split():
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parents: 30973
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350 style = _styles.get(l, '')
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parents: 30973
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351 for effect in style.split():
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parents: 30973
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352 try:
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parents: 30973
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353 attr = mapcolor(w32effects[effect], attr)
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parents: 30973
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354 except KeyError:
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parents: 30973
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355 # w32effects could not have certain attributes so we skip
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parents: 30973
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356 # them if not found
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parents: 30973
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357 pass
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parents: 30973
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358 # hack to ensure regexp finds data
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parents: 30973
diff changeset
359 if not text.startswith('\033['):
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parents: 30973
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360 text = '\033[m' + text
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parents: 30973
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361
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parents: 30973
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362 # Look for ANSI-like codes embedded in text
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parents: 30973
diff changeset
363 m = re.match(ansire, text)
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parents: 30973
diff changeset
364
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parents: 30973
diff changeset
365 try:
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parents: 30973
diff changeset
366 while m:
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parents: 30973
diff changeset
367 for sattr in m.group(1).split(';'):
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parents: 30973
diff changeset
368 if sattr:
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parents: 30973
diff changeset
369 attr = mapcolor(int(sattr), attr)
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parents: 30973
diff changeset
370 _kernel32.SetConsoleTextAttribute(stdout, attr)
31088
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parents: 31086
diff changeset
371 writefunc(m.group(2), **opts)
31067
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parents: 30973
diff changeset
372 m = re.match(ansire, m.group(3))
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parents: 30973
diff changeset
373 finally:
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parents: 30973
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374 # Explicitly reset original attributes
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parents: 30973
diff changeset
375 _kernel32.SetConsoleTextAttribute(stdout, origattr)