Mercurial > hg
annotate hgext/color.py @ 10869:2d57be56c500
color: remove unused import
author | Steve Borho <steve@borho.org> |
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date | Tue, 06 Apr 2010 08:44:13 -0500 |
parents | 441f5d66da03 |
children | a4944b430417 |
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1 # color.py color output for the status and qseries commands |
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2 # |
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3 # Copyright (C) 2007 Kevin Christen <kevin.christen@gmail.com> |
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4 # |
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5 # This program is free software; you can redistribute it and/or modify it |
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6 # under the terms of the GNU General Public License as published by the |
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7 # Free Software Foundation; either version 2 of the License, or (at your |
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8 # option) any later version. |
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9 # |
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10 # This program is distributed in the hope that it will be useful, but |
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11 # WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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13 # Public License for more details. |
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14 # |
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15 # You should have received a copy of the GNU General Public License along |
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16 # with this program; if not, write to the Free Software Foundation, Inc., |
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17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 |
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19 '''colorize output from some commands |
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20 |
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21 This extension modifies the status and resolve commands to add color to their |
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22 output to reflect file status, the qseries command to add color to reflect |
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23 patch status (applied, unapplied, missing), and to diff-related |
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24 commands to highlight additions, removals, diff headers, and trailing |
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25 whitespace. |
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26 |
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27 Other effects in addition to color, like bold and underlined text, are |
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28 also available. Effects are rendered with the ECMA-48 SGR control |
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29 function (aka ANSI escape codes). This module also provides the |
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30 render_text function, which can be used to add effects to any text. |
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31 |
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32 Default effects may be overridden from the .hgrc file:: |
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33 |
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34 [color] |
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35 status.modified = blue bold underline red_background |
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36 status.added = green bold |
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37 status.removed = red bold blue_background |
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38 status.deleted = cyan bold underline |
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39 status.unknown = magenta bold underline |
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40 status.ignored = black bold |
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41 |
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42 # 'none' turns off all effects |
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43 status.clean = none |
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44 status.copied = none |
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45 |
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46 qseries.applied = blue bold underline |
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47 qseries.unapplied = black bold |
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48 qseries.missing = red bold |
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50 diff.diffline = bold |
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51 diff.extended = cyan bold |
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52 diff.file_a = red bold |
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53 diff.file_b = green bold |
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54 diff.hunk = magenta |
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55 diff.deleted = red |
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56 diff.inserted = green |
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57 diff.changed = white |
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58 diff.trailingwhitespace = bold red_background |
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59 |
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60 resolve.unresolved = red bold |
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61 resolve.resolved = green bold |
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62 |
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63 bookmarks.current = green |
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64 ''' |
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65 |
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66 import os, sys |
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67 |
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68 from mercurial import commands, dispatch, extensions |
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69 from mercurial.i18n import _ |
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70 |
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71 # start and stop parameters for effects |
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72 _effects = {'none': 0, 'black': 30, 'red': 31, 'green': 32, 'yellow': 33, |
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73 'blue': 34, 'magenta': 35, 'cyan': 36, 'white': 37, 'bold': 1, |
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74 'italic': 3, 'underline': 4, 'inverse': 7, |
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75 'black_background': 40, 'red_background': 41, |
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76 'green_background': 42, 'yellow_background': 43, |
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77 'blue_background': 44, 'purple_background': 45, |
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78 'cyan_background': 46, 'white_background': 47} |
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79 |
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80 _styles = {'grep.match': 'red bold', |
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81 'diff.changed': 'white', |
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82 'diff.deleted': 'red', |
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83 'diff.diffline': 'bold', |
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84 'diff.extended': 'cyan bold', |
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85 'diff.file_a': 'red bold', |
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86 'diff.file_b': 'green bold', |
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87 'diff.hunk': 'magenta', |
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88 'diff.inserted': 'green', |
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89 'diff.trailingwhitespace': 'bold red_background', |
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90 'diffstat.deleted': 'red', |
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91 'diffstat.inserted': 'green', |
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92 'log.changeset': 'yellow', |
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93 'resolve.resolved': 'green bold', |
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94 'resolve.unresolved': 'red bold', |
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95 'status.added': 'green bold', |
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96 'status.clean': 'none', |
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97 'status.copied': 'none', |
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98 'status.deleted': 'cyan bold underline', |
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99 'status.ignored': 'black bold', |
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100 'status.modified': 'blue bold', |
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101 'status.removed': 'red bold', |
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102 'status.unknown': 'magenta bold underline'} |
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103 |
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104 |
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105 def render_effects(text, effects): |
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106 'Wrap text in commands to turn on each effect.' |
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107 if not text: |
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108 return text |
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109 start = [str(_effects[e]) for e in ['none'] + effects.split()] |
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110 start = '\033[' + ';'.join(start) + 'm' |
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111 stop = '\033[' + str(_effects['none']) + 'm' |
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112 return ''.join([start, text, stop]) |
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114 def extstyles(): |
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115 for name, ext in extensions.extensions(): |
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116 _styles.update(getattr(ext, 'colortable', {})) |
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118 def configstyles(ui): |
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119 for status, cfgeffects in ui.configitems('color'): |
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120 if '.' not in status: |
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121 continue |
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122 cfgeffects = ui.configlist('color', status) |
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123 if cfgeffects: |
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124 good = [] |
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125 for e in cfgeffects: |
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126 if e in _effects: |
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127 good.append(e) |
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128 else: |
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129 ui.warn(_("ignoring unknown color/effect %r " |
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130 "(configured in color.%s)\n") |
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131 % (e, status)) |
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132 _styles[status] = ' '.join(good) |
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133 |
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134 _buffers = None |
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135 def style(msg, label): |
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136 effects = [] |
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137 for l in label.split(): |
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138 s = _styles.get(l, '') |
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139 if s: |
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140 effects.append(s) |
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141 effects = ''.join(effects) |
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142 if effects: |
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143 return '\n'.join([render_effects(s, effects) |
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144 for s in msg.split('\n')]) |
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145 return msg |
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146 |
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147 def popbuffer(orig, labeled=False): |
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148 global _buffers |
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149 if labeled: |
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150 return ''.join(style(a, label) for a, label in _buffers.pop()) |
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151 return ''.join(a for a, label in _buffers.pop()) |
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152 |
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153 def write(orig, *args, **opts): |
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154 label = opts.get('label', '') |
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155 global _buffers |
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156 if _buffers: |
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157 _buffers[-1].extend([(str(a), label) for a in args]) |
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158 else: |
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159 return orig(*[style(str(a), label) for a in args], **opts) |
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160 |
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161 def write_err(orig, *args, **opts): |
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162 label = opts.get('label', '') |
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163 return orig(*[style(str(a), label) for a in args], **opts) |
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164 |
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165 def uisetup(ui): |
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166 def colorcmd(orig, ui_, opts, cmd, cmdfunc): |
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167 if (opts['color'] == 'always' or |
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168 (opts['color'] == 'auto' and (os.environ.get('TERM') != 'dumb' |
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169 and sys.__stdout__.isatty()))): |
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170 global _buffers |
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171 _buffers = ui_._buffers |
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172 extensions.wrapfunction(ui_, 'popbuffer', popbuffer) |
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173 extensions.wrapfunction(ui_, 'write', write) |
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174 extensions.wrapfunction(ui_, 'write_err', write_err) |
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175 ui_.label = style |
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176 extstyles() |
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177 configstyles(ui) |
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178 return orig(ui_, opts, cmd, cmdfunc) |
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179 extensions.wrapfunction(dispatch, '_runcommand', colorcmd) |
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180 |
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181 commands.globalopts.append(('', 'color', 'auto', |
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182 _("when to colorize (always, auto, or never)"))) |