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annotate mercurial/color.py @ 30973:e5363cb96233

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color: move the '_render_effects' function to the core module
author Pierre-Yves David <pierre-yves.david@ens-lyon.org>
date Thu, 22 Dec 2016 02:38:53 +0100
parents a3c7e42c7a1f
children a0bde5ec3a46
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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
30968
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12 try:
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13 import curses
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14 # Mapping from effect name to terminfo attribute name (or raw code) or
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15 # color number. This will also force-load the curses module.
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16 _terminfo_params = {'none': (True, 'sgr0', ''),
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17 'standout': (True, 'smso', ''),
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18 'underline': (True, 'smul', ''),
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19 'reverse': (True, 'rev', ''),
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20 'inverse': (True, 'rev', ''),
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21 'blink': (True, 'blink', ''),
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22 'dim': (True, 'dim', ''),
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23 'bold': (True, 'bold', ''),
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24 'invisible': (True, 'invis', ''),
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25 'italic': (True, 'sitm', ''),
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26 'black': (False, curses.COLOR_BLACK, ''),
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27 'red': (False, curses.COLOR_RED, ''),
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28 'green': (False, curses.COLOR_GREEN, ''),
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29 'yellow': (False, curses.COLOR_YELLOW, ''),
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30 'blue': (False, curses.COLOR_BLUE, ''),
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31 'magenta': (False, curses.COLOR_MAGENTA, ''),
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32 'cyan': (False, curses.COLOR_CYAN, ''),
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33 'white': (False, curses.COLOR_WHITE, '')}
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34 except ImportError:
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35 curses = None
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36 _terminfo_params = {}
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37
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38 # start and stop parameters for effects
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39 _effects = {'none': 0,
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40 'black': 30,
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41 'red': 31,
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42 'green': 32,
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43 'yellow': 33,
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44 'blue': 34,
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45 'magenta': 35,
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46 'cyan': 36,
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47 'white': 37,
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48 'bold': 1,
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49 'italic': 3,
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50 'underline': 4,
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51 'inverse': 7,
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52 'dim': 2,
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53 'black_background': 40,
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54 'red_background': 41,
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55 'green_background': 42,
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56 'yellow_background': 43,
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57 'blue_background': 44,
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58 'purple_background': 45,
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59 'cyan_background': 46,
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60 'white_background': 47}
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61
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62 _styles = {'grep.match': 'red bold',
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63 'grep.linenumber': 'green',
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64 'grep.rev': 'green',
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65 'grep.change': 'green',
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66 'grep.sep': 'cyan',
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67 'grep.filename': 'magenta',
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68 'grep.user': 'magenta',
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69 'grep.date': 'magenta',
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70 'bookmarks.active': 'green',
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71 'branches.active': 'none',
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72 'branches.closed': 'black bold',
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73 'branches.current': 'green',
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74 'branches.inactive': 'none',
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75 'diff.changed': 'white',
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76 'diff.deleted': 'red',
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77 'diff.diffline': 'bold',
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78 'diff.extended': 'cyan bold',
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79 'diff.file_a': 'red bold',
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80 'diff.file_b': 'green bold',
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81 'diff.hunk': 'magenta',
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82 'diff.inserted': 'green',
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83 'diff.tab': '',
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84 'diff.trailingwhitespace': 'bold red_background',
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85 'changeset.public' : '',
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86 'changeset.draft' : '',
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87 'changeset.secret' : '',
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88 'diffstat.deleted': 'red',
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89 'diffstat.inserted': 'green',
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90 'histedit.remaining': 'red bold',
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91 'ui.prompt': 'yellow',
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92 'log.changeset': 'yellow',
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93 'patchbomb.finalsummary': '',
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94 'patchbomb.from': 'magenta',
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95 'patchbomb.to': 'cyan',
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96 'patchbomb.subject': 'green',
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97 'patchbomb.diffstats': '',
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98 'rebase.rebased': 'blue',
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99 'rebase.remaining': 'red bold',
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100 'resolve.resolved': 'green bold',
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101 'resolve.unresolved': 'red bold',
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102 'shelve.age': 'cyan',
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103 'shelve.newest': 'green bold',
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104 'shelve.name': 'blue bold',
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105 'status.added': 'green bold',
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106 'status.clean': 'none',
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107 'status.copied': 'none',
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108 'status.deleted': 'cyan bold underline',
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109 'status.ignored': 'black bold',
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110 'status.modified': 'blue bold',
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111 'status.removed': 'red bold',
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112 'status.unknown': 'magenta bold underline',
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113 'tags.normal': 'green',
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114 'tags.local': 'black bold'}
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115
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116 def loadcolortable(ui, extname, colortable):
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117 _styles.update(colortable)
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118
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119 def configstyles(ui):
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120 for status, cfgeffects in ui.configitems('color'):
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121 if '.' not in status or status.startswith(('color.', 'terminfo.')):
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122 continue
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123 cfgeffects = ui.configlist('color', status)
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124 if cfgeffects:
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125 good = []
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126 for e in cfgeffects:
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127 if valideffect(e):
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128 good.append(e)
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129 else:
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130 ui.warn(_("ignoring unknown color/effect %r "
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131 "(configured in color.%s)\n")
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132 % (e, status))
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133 _styles[status] = ' '.join(good)
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134
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135 def valideffect(effect):
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136 'Determine if the effect is valid or not.'
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137 return ((not _terminfo_params and effect in _effects)
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138 or (effect in _terminfo_params
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139 or effect[:-11] in _terminfo_params))
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140
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141 def _effect_str(effect):
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142 '''Helper function for render_effects().'''
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143
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144 bg = False
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145 if effect.endswith('_background'):
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146 bg = True
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147 effect = effect[:-11]
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148 try:
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149 attr, val, termcode = _terminfo_params[effect]
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150 except KeyError:
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151 return ''
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152 if attr:
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153 if termcode:
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154 return termcode
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155 else:
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156 return curses.tigetstr(val)
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157 elif bg:
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158 return curses.tparm(curses.tigetstr('setab'), val)
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159 else:
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160 return curses.tparm(curses.tigetstr('setaf'), val)
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161
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162 def _render_effects(text, effects):
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163 'Wrap text in commands to turn on each effect.'
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164 if not text:
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165 return text
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166 if not _terminfo_params:
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167 start = [str(_effects[e]) for e in ['none'] + effects.split()]
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168 start = '\033[' + ';'.join(start) + 'm'
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169 stop = '\033[' + str(_effects['none']) + 'm'
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170 else:
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171 start = ''.join(_effect_str(effect)
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172 for effect in ['none'] + effects.split())
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173 stop = _effect_str('none')
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174 return ''.join([start, text, stop])