Mercurial > hg
annotate hgext/color.py @ 11494:2347513f562a
debugger: show traceback before entering pdb post-mortem
author | Mads Kiilerich <mads@kiilerich.com> |
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date | Wed, 30 Jun 2010 17:20:42 +0200 |
parents | c89309fa907d |
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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 The color extension will try to detect whether to use ANSI codes or |
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66 Win32 console APIs, unless it is made explicit:: |
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67 |
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68 [color] |
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69 mode = ansi |
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70 |
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71 Any value other than 'ansi', 'win32', or 'auto' will disable color. |
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72 |
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73 ''' |
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74 |
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75 import os, sys |
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76 |
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77 from mercurial import commands, dispatch, extensions |
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78 from mercurial.i18n import _ |
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79 |
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80 # start and stop parameters for effects |
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81 _effects = {'none': 0, 'black': 30, 'red': 31, 'green': 32, 'yellow': 33, |
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82 'blue': 34, 'magenta': 35, 'cyan': 36, 'white': 37, 'bold': 1, |
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83 'italic': 3, 'underline': 4, 'inverse': 7, |
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84 'black_background': 40, 'red_background': 41, |
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85 'green_background': 42, 'yellow_background': 43, |
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86 'blue_background': 44, 'purple_background': 45, |
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87 'cyan_background': 46, 'white_background': 47} |
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88 |
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89 _styles = {'grep.match': 'red bold', |
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90 'diff.changed': 'white', |
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91 'diff.deleted': 'red', |
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92 'diff.diffline': 'bold', |
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93 'diff.extended': 'cyan bold', |
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94 'diff.file_a': 'red bold', |
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95 'diff.file_b': 'green bold', |
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96 'diff.hunk': 'magenta', |
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97 'diff.inserted': 'green', |
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98 'diff.trailingwhitespace': 'bold red_background', |
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99 'diffstat.deleted': 'red', |
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100 'diffstat.inserted': 'green', |
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101 'log.changeset': 'yellow', |
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102 'resolve.resolved': 'green bold', |
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103 'resolve.unresolved': 'red bold', |
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104 'status.added': 'green bold', |
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105 'status.clean': 'none', |
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106 'status.copied': 'none', |
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107 'status.deleted': 'cyan bold underline', |
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108 'status.ignored': 'black bold', |
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109 'status.modified': 'blue bold', |
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110 'status.removed': 'red bold', |
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111 'status.unknown': 'magenta bold underline'} |
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112 |
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113 |
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114 def render_effects(text, effects): |
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115 'Wrap text in commands to turn on each effect.' |
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116 if not text: |
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117 return text |
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118 start = [str(_effects[e]) for e in ['none'] + effects.split()] |
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119 start = '\033[' + ';'.join(start) + 'm' |
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120 stop = '\033[' + str(_effects['none']) + 'm' |
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121 return ''.join([start, text, stop]) |
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122 |
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123 def extstyles(): |
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124 for name, ext in extensions.extensions(): |
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125 _styles.update(getattr(ext, 'colortable', {})) |
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127 def configstyles(ui): |
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128 for status, cfgeffects in ui.configitems('color'): |
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129 if '.' not in status: |
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130 continue |
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131 cfgeffects = ui.configlist('color', status) |
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132 if cfgeffects: |
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133 good = [] |
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134 for e in cfgeffects: |
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135 if e in _effects: |
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136 good.append(e) |
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137 else: |
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138 ui.warn(_("ignoring unknown color/effect %r " |
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139 "(configured in color.%s)\n") |
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140 % (e, status)) |
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141 _styles[status] = ' '.join(good) |
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142 |
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143 _buffers = None |
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144 def style(msg, label): |
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145 effects = [] |
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146 for l in label.split(): |
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147 s = _styles.get(l, '') |
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148 if s: |
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149 effects.append(s) |
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150 effects = ''.join(effects) |
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151 if effects: |
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152 return '\n'.join([render_effects(s, effects) |
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153 for s in msg.split('\n')]) |
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154 return msg |
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155 |
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156 def popbuffer(orig, labeled=False): |
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157 global _buffers |
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158 if labeled: |
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159 return ''.join(style(a, label) for a, label in _buffers.pop()) |
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160 return ''.join(a for a, label in _buffers.pop()) |
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161 |
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162 mode = 'ansi' |
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163 def write(orig, *args, **opts): |
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164 label = opts.get('label', '') |
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165 global _buffers |
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166 if _buffers: |
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167 _buffers[-1].extend([(str(a), label) for a in args]) |
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168 elif mode == 'win32': |
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169 for a in args: |
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170 win32print(a, orig, **opts) |
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171 else: |
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172 return orig(*[style(str(a), label) for a in args], **opts) |
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173 |
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174 def write_err(orig, *args, **opts): |
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175 label = opts.get('label', '') |
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176 if mode == 'win32': |
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177 for a in args: |
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178 win32print(a, orig, **opts) |
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179 else: |
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180 return orig(*[style(str(a), label) for a in args], **opts) |
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181 |
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182 def uisetup(ui): |
10871 | 183 if ui.plain(): |
184 return | |
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185 global mode |
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186 mode = ui.config('color', 'mode', 'auto') |
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187 if mode == 'auto': |
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188 if os.name == 'nt' and 'TERM' not in os.environ: |
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189 # looks line a cmd.exe console, use win32 API or nothing |
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190 mode = w32effects and 'win32' or 'none' |
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191 else: |
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192 mode = 'ansi' |
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193 if mode == 'win32': |
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194 if w32effects is None: |
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195 # only warn if color.mode is explicitly set to win32 |
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196 ui.warn(_('win32console not found, please install pywin32\n')) |
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197 return |
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198 _effects.update(w32effects) |
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199 elif mode != 'ansi': |
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200 return |
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201 def colorcmd(orig, ui_, opts, cmd, cmdfunc): |
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202 if (opts['color'] == 'always' or |
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203 (opts['color'] == 'auto' and (os.environ.get('TERM') != 'dumb' |
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204 and ui_.formatted()))): |
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205 global _buffers |
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206 _buffers = ui_._buffers |
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207 extensions.wrapfunction(ui_, 'popbuffer', popbuffer) |
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208 extensions.wrapfunction(ui_, 'write', write) |
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209 extensions.wrapfunction(ui_, 'write_err', write_err) |
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210 ui_.label = style |
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211 extstyles() |
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212 configstyles(ui) |
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213 return orig(ui_, opts, cmd, cmdfunc) |
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214 extensions.wrapfunction(dispatch, '_runcommand', colorcmd) |
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215 |
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216 commands.globalopts.append(('', 'color', 'auto', |
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217 _("when to colorize (always, auto, or never)"), |
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218 _('TYPE'))) |
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219 |
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220 try: |
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221 import re, pywintypes |
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222 from win32console import * |
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223 |
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224 # http://msdn.microsoft.com/en-us/library/ms682088%28VS.85%29.aspx |
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225 w32effects = { |
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226 'none': 0, |
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227 'black': 0, |
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228 'red': FOREGROUND_RED, |
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229 'green': FOREGROUND_GREEN, |
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230 'yellow': FOREGROUND_RED | FOREGROUND_GREEN, |
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231 'blue': FOREGROUND_BLUE, |
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232 'magenta': FOREGROUND_BLUE | FOREGROUND_RED, |
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233 'cyan': FOREGROUND_BLUE | FOREGROUND_GREEN, |
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234 'white': FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE, |
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235 'bold': FOREGROUND_INTENSITY, |
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236 'black_background': 0, |
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237 'red_background': BACKGROUND_RED, |
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238 'green_background': BACKGROUND_GREEN, |
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239 'yellow_background': BACKGROUND_RED | BACKGROUND_GREEN, |
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240 'blue_background': BACKGROUND_BLUE, |
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241 'purple_background': BACKGROUND_BLUE | BACKGROUND_RED, |
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242 'cyan_background': BACKGROUND_BLUE | BACKGROUND_GREEN, |
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243 'white_background': BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE, |
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244 'bold_background': BACKGROUND_INTENSITY, |
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245 'underline': COMMON_LVB_UNDERSCORE, # double-byte charsets only |
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246 'inverse': COMMON_LVB_REVERSE_VIDEO, # double-byte charsets only |
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247 } |
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248 |
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249 stdout = GetStdHandle(STD_OUTPUT_HANDLE) |
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250 try: |
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251 origattr = stdout.GetConsoleScreenBufferInfo()['Attributes'] |
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252 except pywintypes.error: |
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253 # stdout may be defined but not support |
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254 # GetConsoleScreenBufferInfo(), when called from subprocess or |
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255 # redirected. |
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256 raise ImportError() |
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257 ansire = re.compile('\033\[([^m]*)m([^\033]*)(.*)', re.MULTILINE | re.DOTALL) |
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258 |
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259 def win32print(text, orig, **opts): |
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260 label = opts.get('label', '') |
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261 attr = 0 |
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262 |
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263 # determine console attributes based on labels |
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264 for l in label.split(): |
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265 style = _styles.get(l, '') |
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266 for effect in style.split(): |
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267 attr |= w32effects[effect] |
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268 |
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269 # hack to ensure regexp finds data |
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270 if not text.startswith('\033['): |
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271 text = '\033[m' + text |
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272 |
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273 # Look for ANSI-like codes embedded in text |
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274 m = re.match(ansire, text) |
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275 while m: |
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276 for sattr in m.group(1).split(';'): |
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277 if sattr: |
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278 val = int(sattr) |
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279 attr = val and attr|val or 0 |
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280 stdout.SetConsoleTextAttribute(attr or origattr) |
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281 orig(m.group(2), **opts) |
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282 m = re.match(ansire, m.group(3)) |
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283 |
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284 # Explicity reset original attributes |
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285 stdout.SetConsoleTextAttribute(origattr) |
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286 |
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287 except ImportError: |
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288 w32effects = None |