Mercurial > hg
annotate hgext/color.py @ 9520:bcc27ee3a37b
color: allow multiple args to ui.write()
author | Kevin Bullock <kbullock@ringworld.org> |
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date | Tue, 29 Sep 2009 23:49:42 -0500 |
parents | a4ceae3aa7be |
children | d932dc655881 |
rev | line source |
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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 command to add color to its output |
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22 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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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 | |
51 diff.extended = cyan bold | |
52 diff.file_a = red bold | |
53 diff.file_b = green bold | |
54 diff.hunk = magenta | |
55 diff.deleted = red | |
56 diff.inserted = green | |
57 diff.changed = white | |
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58 diff.trailingwhitespace = bold red_background |
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59 ''' |
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60 |
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61 import os, sys |
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62 |
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63 from mercurial import cmdutil, commands, extensions, error |
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64 from mercurial.i18n import _ |
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65 |
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66 # start and stop parameters for effects |
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67 _effect_params = {'none': 0, |
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68 'black': 30, |
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69 'red': 31, |
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70 'green': 32, |
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71 'yellow': 33, |
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72 'blue': 34, |
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73 'magenta': 35, |
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74 'cyan': 36, |
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75 'white': 37, |
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76 'bold': 1, |
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77 'italic': 3, |
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78 'underline': 4, |
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79 'inverse': 7, |
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80 'black_background': 40, |
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81 'red_background': 41, |
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82 'green_background': 42, |
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83 'yellow_background': 43, |
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84 'blue_background': 44, |
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85 'purple_background': 45, |
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86 'cyan_background': 46, |
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87 'white_background': 47} |
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88 |
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89 def render_effects(text, effects): |
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90 'Wrap text in commands to turn on each effect.' |
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91 start = [str(_effect_params[e]) for e in ['none'] + effects] |
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92 start = '\033[' + ';'.join(start) + 'm' |
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93 stop = '\033[' + str(_effect_params['none']) + 'm' |
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94 return ''.join([start, text, stop]) |
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95 |
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96 def colorstatus(orig, ui, repo, *pats, **opts): |
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97 '''run the status command with colored output''' |
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98 |
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99 delimiter = opts['print0'] and '\0' or '\n' |
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100 |
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101 nostatus = opts.get('no_status') |
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102 opts['no_status'] = False |
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103 # run status and capture its output |
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104 ui.pushbuffer() |
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105 retval = orig(ui, repo, *pats, **opts) |
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106 # filter out empty strings |
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107 lines_with_status = [ line for line in ui.popbuffer().split(delimiter) if line ] |
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108 |
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109 if nostatus: |
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110 lines = [l[2:] for l in lines_with_status] |
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111 else: |
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112 lines = lines_with_status |
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113 |
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114 # apply color to output and display it |
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115 for i in xrange(len(lines)): |
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116 status = _status_abbreviations[lines_with_status[i][0]] |
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117 effects = _status_effects[status] |
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118 if effects: |
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119 lines[i] = render_effects(lines[i], effects) |
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121 return retval |
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122 |
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123 _status_abbreviations = { 'M': 'modified', |
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124 'A': 'added', |
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125 'R': 'removed', |
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126 '!': 'deleted', |
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127 '?': 'unknown', |
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128 'I': 'ignored', |
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129 'C': 'clean', |
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130 ' ': 'copied', } |
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131 |
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132 _status_effects = { 'modified': ['blue', 'bold'], |
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133 'added': ['green', 'bold'], |
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134 'removed': ['red', 'bold'], |
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135 'deleted': ['cyan', 'bold', 'underline'], |
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136 'unknown': ['magenta', 'bold', 'underline'], |
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137 'ignored': ['black', 'bold'], |
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138 'clean': ['none'], |
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139 'copied': ['none'], } |
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140 |
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141 def colorqseries(orig, ui, repo, *dummy, **opts): |
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142 '''run the qseries command with colored output''' |
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143 ui.pushbuffer() |
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144 retval = orig(ui, repo, **opts) |
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145 patches = ui.popbuffer().splitlines() |
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146 for patch in patches: |
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147 patchname = patch |
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148 if opts['summary']: |
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149 patchname = patchname.split(': ')[0] |
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150 if ui.verbose: |
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151 patchname = patchname.split(' ', 2)[-1] |
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152 |
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153 if opts['missing']: |
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154 effects = _patch_effects['missing'] |
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155 # Determine if patch is applied. |
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156 elif [ applied for applied in repo.mq.applied |
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157 if patchname == applied.name ]: |
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158 effects = _patch_effects['applied'] |
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159 else: |
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160 effects = _patch_effects['unapplied'] |
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161 ui.write(render_effects(patch, effects) + '\n') |
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162 return retval |
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163 |
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164 _patch_effects = { 'applied': ['blue', 'bold', 'underline'], |
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165 'missing': ['red', 'bold'], |
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166 'unapplied': ['black', 'bold'], } |
7456 | 167 def colorwrap(orig, s): |
168 '''wrap ui.write for colored diff output''' | |
169 lines = s.split('\n') | |
170 for i, line in enumerate(lines): | |
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171 stripline = line |
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172 if line and line[0] in '+-': |
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173 # highlight trailing whitespace, but only in changed lines |
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174 stripline = line.rstrip() |
7456 | 175 for prefix, style in _diff_prefixes: |
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176 if stripline.startswith(prefix): |
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177 lines[i] = render_effects(stripline, _diff_effects[style]) |
7456 | 178 break |
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179 if line != stripline: |
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180 lines[i] += render_effects( |
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181 line[len(stripline):], _diff_effects['trailingwhitespace']) |
7456 | 182 orig('\n'.join(lines)) |
183 | |
184 def colorshowpatch(orig, self, node): | |
185 '''wrap cmdutil.changeset_printer.showpatch with colored output''' | |
186 oldwrite = extensions.wrapfunction(self.ui, 'write', colorwrap) | |
187 try: | |
188 orig(self, node) | |
189 finally: | |
190 self.ui.write = oldwrite | |
191 | |
192 def colordiff(orig, ui, repo, *pats, **opts): | |
193 '''run the diff command with colored output''' | |
194 oldwrite = extensions.wrapfunction(ui, 'write', colorwrap) | |
195 try: | |
196 orig(ui, repo, *pats, **opts) | |
197 finally: | |
198 ui.write = oldwrite | |
199 | |
200 _diff_prefixes = [('diff', 'diffline'), | |
201 ('copy', 'extended'), | |
202 ('rename', 'extended'), | |
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203 ('old', 'extended'), |
7456 | 204 ('new', 'extended'), |
205 ('deleted', 'extended'), | |
206 ('---', 'file_a'), | |
207 ('+++', 'file_b'), | |
208 ('@', 'hunk'), | |
209 ('-', 'deleted'), | |
210 ('+', 'inserted')] | |
211 | |
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212 _diff_effects = {'diffline': ['bold'], |
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213 'extended': ['cyan', 'bold'], |
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214 'file_a': ['red', 'bold'], |
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215 'file_b': ['green', 'bold'], |
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216 'hunk': ['magenta'], |
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217 'deleted': ['red'], |
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218 'inserted': ['green'], |
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219 'changed': ['white'], |
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220 'trailingwhitespace': ['bold', 'red_background']} |
7456 | 221 |
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222 _ui = None |
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223 |
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224 def uisetup(ui): |
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225 '''Initialize the extension.''' |
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226 global _ui |
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227 _ui = ui |
7456 | 228 _setupcmd(ui, 'diff', commands.table, colordiff, _diff_effects) |
229 _setupcmd(ui, 'incoming', commands.table, None, _diff_effects) | |
230 _setupcmd(ui, 'log', commands.table, None, _diff_effects) | |
231 _setupcmd(ui, 'outgoing', commands.table, None, _diff_effects) | |
232 _setupcmd(ui, 'tip', commands.table, None, _diff_effects) | |
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233 _setupcmd(ui, 'status', commands.table, colorstatus, _status_effects) |
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234 |
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235 def extsetup(): |
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236 try: |
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237 mq = extensions.find('mq') |
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238 try: |
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239 # If we are loaded after mq, we must wrap commands.table |
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240 _setupcmd(_ui, 'qdiff', commands.table, colordiff, _diff_effects) |
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241 _setupcmd(_ui, 'qseries', commands.table, colorqseries, _patch_effects) |
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242 except error.UnknownCommand: |
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243 # Otherwise we wrap mq.cmdtable |
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244 _setupcmd(_ui, 'qdiff', mq.cmdtable, colordiff, _diff_effects) |
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245 _setupcmd(_ui, 'qseries', mq.cmdtable, colorqseries, _patch_effects) |
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246 except KeyError: |
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247 # The mq extension is not enabled |
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248 pass |
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249 |
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250 def _setupcmd(ui, cmd, table, func, effectsmap): |
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251 '''patch in command to command table and load effect map''' |
7455 | 252 def nocolor(orig, *args, **opts): |
253 | |
254 if (opts['no_color'] or opts['color'] == 'never' or | |
255 (opts['color'] == 'auto' and (os.environ.get('TERM') == 'dumb' | |
256 or not sys.__stdout__.isatty()))): | |
257 return orig(*args, **opts) | |
258 | |
7456 | 259 oldshowpatch = extensions.wrapfunction(cmdutil.changeset_printer, |
260 'showpatch', colorshowpatch) | |
261 try: | |
262 if func is not None: | |
263 return func(orig, *args, **opts) | |
264 return orig(*args, **opts) | |
265 finally: | |
266 cmdutil.changeset_printer.showpatch = oldshowpatch | |
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267 |
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268 entry = extensions.wrapcommand(table, cmd, nocolor) |
7455 | 269 entry[1].extend([ |
270 ('', 'color', 'auto', _("when to colorize (always, auto, or never)")), | |
271 ('', 'no-color', None, _("don't colorize output")), | |
272 ]) | |
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273 |
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274 for status in effectsmap: |
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275 configkey = cmd + '.' + status |
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276 effects = ui.configlist('color', configkey) |
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277 if effects: |
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278 good = [] |
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279 for e in effects: |
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280 if e in _effect_params: |
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281 good.append(e) |
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282 else: |
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283 ui.warn(_("ignoring unknown color/effect %r " |
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284 "(configured in color.%s)\n") |
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285 % (e, configkey)) |
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286 effectsmap[status] = good |