Mercurial > hg
annotate hgext/color.py @ 30968:0d2a58a04080
color: move '_terminfo_params' into the core 'color' module
On step closer to have color in core.
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Thu, 22 Dec 2016 02:23:23 +0100 |
parents | 20990991d384 |
children | ddc80d1777a6 |
rev | line source |
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1 # color.py color output for Mercurial 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 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 '''colorize output from some commands |
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9 |
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10 The color extension colorizes output from several Mercurial commands. |
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11 For example, the diff command shows additions in green and deletions |
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12 in red, while the status command shows modified files in magenta. Many |
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13 other commands have analogous colors. It is possible to customize |
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14 these colors. |
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15 |
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16 Effects |
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17 ------- |
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18 |
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19 Other effects in addition to color, like bold and underlined text, are |
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20 also available. By default, the terminfo database is used to find the |
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21 terminal codes used to change color and effect. If terminfo is not |
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22 available, then effects are rendered with the ECMA-48 SGR control |
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23 function (aka ANSI escape codes). |
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24 |
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25 The available effects in terminfo mode are 'blink', 'bold', 'dim', |
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26 'inverse', 'invisible', 'italic', 'standout', and 'underline'; in |
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27 ECMA-48 mode, the options are 'bold', 'inverse', 'italic', and |
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28 'underline'. How each is rendered depends on the terminal emulator. |
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29 Some may not be available for a given terminal type, and will be |
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30 silently ignored. |
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31 |
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32 If the terminfo entry for your terminal is missing codes for an effect |
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33 or has the wrong codes, you can add or override those codes in your |
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34 configuration:: |
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35 |
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36 [color] |
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37 terminfo.dim = \E[2m |
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38 |
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39 where '\E' is substituted with an escape character. |
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40 |
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41 Labels |
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42 ------ |
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43 |
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44 Text receives color effects depending on the labels that it has. Many |
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45 default Mercurial commands emit labelled text. You can also define |
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46 your own labels in templates using the label function, see :hg:`help |
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47 templates`. A single portion of text may have more than one label. In |
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48 that case, effects given to the last label will override any other |
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49 effects. This includes the special "none" effect, which nullifies |
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50 other effects. |
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51 |
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52 Labels are normally invisible. In order to see these labels and their |
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53 position in the text, use the global --color=debug option. The same |
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54 anchor text may be associated to multiple labels, e.g. |
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55 |
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56 [log.changeset changeset.secret|changeset: 22611:6f0a53c8f587] |
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57 |
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58 The following are the default effects for some default labels. Default |
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59 effects may be overridden from your configuration file:: |
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60 |
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61 [color] |
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62 status.modified = blue bold underline red_background |
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63 status.added = green bold |
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64 status.removed = red bold blue_background |
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65 status.deleted = cyan bold underline |
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66 status.unknown = magenta bold underline |
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67 status.ignored = black bold |
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68 |
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69 # 'none' turns off all effects |
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70 status.clean = none |
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71 status.copied = none |
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72 |
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73 qseries.applied = blue bold underline |
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74 qseries.unapplied = black bold |
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75 qseries.missing = red bold |
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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.deleted = red |
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83 diff.inserted = green |
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84 diff.changed = white |
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85 diff.tab = |
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86 diff.trailingwhitespace = bold red_background |
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87 |
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88 # Blank so it inherits the style of the surrounding label |
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89 changeset.public = |
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90 changeset.draft = |
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91 changeset.secret = |
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92 |
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93 resolve.unresolved = red bold |
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94 resolve.resolved = green bold |
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95 |
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96 bookmarks.active = green |
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97 |
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98 branches.active = none |
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99 branches.closed = black bold |
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100 branches.current = green |
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101 branches.inactive = none |
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102 |
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103 tags.normal = green |
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104 tags.local = black bold |
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105 |
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106 rebase.rebased = blue |
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107 rebase.remaining = red bold |
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108 |
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109 shelve.age = cyan |
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110 shelve.newest = green bold |
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111 shelve.name = blue bold |
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112 |
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113 histedit.remaining = red bold |
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114 |
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115 Custom colors |
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116 ------------- |
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117 |
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118 Because there are only eight standard colors, this module allows you |
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119 to define color names for other color slots which might be available |
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120 for your terminal type, assuming terminfo mode. For instance:: |
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121 |
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122 color.brightblue = 12 |
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123 color.pink = 207 |
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124 color.orange = 202 |
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125 |
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126 to set 'brightblue' to color slot 12 (useful for 16 color terminals |
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127 that have brighter colors defined in the upper eight) and, 'pink' and |
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128 'orange' to colors in 256-color xterm's default color cube. These |
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129 defined colors may then be used as any of the pre-defined eight, |
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130 including appending '_background' to set the background to that color. |
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131 |
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132 Modes |
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133 ----- |
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134 |
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135 By default, the color extension will use ANSI mode (or win32 mode on |
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136 Windows) if it detects a terminal. To override auto mode (to enable |
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137 terminfo mode, for example), set the following configuration option:: |
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138 |
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139 [color] |
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140 mode = terminfo |
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141 |
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142 Any value other than 'ansi', 'win32', 'terminfo', or 'auto' will |
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143 disable color. |
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144 |
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145 Note that on some systems, terminfo mode may cause problems when using |
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146 color with the pager extension and less -R. less with the -R option |
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147 will only display ECMA-48 color codes, and terminfo mode may sometimes |
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148 emit codes that less doesn't understand. You can work around this by |
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149 either using ansi mode (or auto mode), or by using less -r (which will |
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150 pass through all terminal control codes, not just color control |
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151 codes). |
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152 |
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153 On some systems (such as MSYS in Windows), the terminal may support |
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154 a different color mode than the pager (activated via the "pager" |
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155 extension). It is possible to define separate modes depending on whether |
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156 the pager is active:: |
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157 |
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158 [color] |
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159 mode = auto |
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160 pagermode = ansi |
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161 |
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162 If ``pagermode`` is not defined, the ``mode`` will be used. |
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163 ''' |
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164 |
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165 from __future__ import absolute_import |
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166 |
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167 try: |
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168 import curses |
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169 curses.COLOR_BLACK # force import |
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170 except ImportError: |
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171 curses = None |
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172 |
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173 from mercurial.i18n import _ |
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174 from mercurial import ( |
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175 cmdutil, |
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176 color, |
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177 commands, |
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178 dispatch, |
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179 encoding, |
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180 extensions, |
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181 pycompat, |
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182 subrepo, |
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183 ui as uimod, |
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184 util, |
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185 ) |
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186 |
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187 cmdtable = {} |
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188 command = cmdutil.command(cmdtable) |
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189 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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190 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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191 # be specifying the version(s) of Mercurial they are tested with, or |
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192 # leave the attribute unspecified. |
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193 testedwith = 'ships-with-hg-core' |
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194 |
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195 def _terminfosetup(ui, mode): |
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196 '''Initialize terminfo data and the terminal if we're in terminfo mode.''' |
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197 |
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198 # If we failed to load curses, we go ahead and return. |
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199 if not color._terminfo_params: |
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200 return |
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201 # Otherwise, see what the config file says. |
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202 if mode not in ('auto', 'terminfo'): |
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203 return |
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204 |
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205 color._terminfo_params.update((key[6:], (False, int(val), '')) |
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206 for key, val in ui.configitems('color') |
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207 if key.startswith('color.')) |
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208 color._terminfo_params.update((key[9:], |
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209 (True, '', val.replace('\\E', '\x1b'))) |
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210 for key, val in ui.configitems('color') |
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211 if key.startswith('terminfo.')) |
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212 |
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213 try: |
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214 curses.setupterm() |
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215 except curses.error as e: |
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216 color._terminfo_params.clear() |
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217 return |
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218 |
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219 for key, (b, e, c) in color._terminfo_params.items(): |
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220 if not b: |
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221 continue |
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222 if not c and not curses.tigetstr(e): |
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223 # Most terminals don't support dim, invis, etc, so don't be |
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224 # noisy and use ui.debug(). |
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225 ui.debug("no terminfo entry for %s\n" % e) |
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226 del color._terminfo_params[key] |
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227 if not curses.tigetstr('setaf') or not curses.tigetstr('setab'): |
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228 # Only warn about missing terminfo entries if we explicitly asked for |
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229 # terminfo mode. |
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230 if mode == "terminfo": |
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231 ui.warn(_("no terminfo entry for setab/setaf: reverting to " |
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232 "ECMA-48 color\n")) |
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233 color._terminfo_params.clear() |
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234 |
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235 def _modesetup(ui, coloropt): |
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236 if coloropt == 'debug': |
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237 return 'debug' |
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238 |
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239 auto = (coloropt == 'auto') |
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240 always = not auto and util.parsebool(coloropt) |
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241 if not always and not auto: |
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242 return None |
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243 |
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244 formatted = (always or (encoding.environ.get('TERM') != 'dumb' |
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245 and ui.formatted())) |
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246 |
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247 mode = ui.config('color', 'mode', 'auto') |
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248 |
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249 # If pager is active, color.pagermode overrides color.mode. |
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250 if getattr(ui, 'pageractive', False): |
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251 mode = ui.config('color', 'pagermode', mode) |
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252 |
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253 realmode = mode |
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254 if mode == 'auto': |
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255 if pycompat.osname == 'nt': |
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256 term = encoding.environ.get('TERM') |
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257 # TERM won't be defined in a vanilla cmd.exe environment. |
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258 |
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259 # UNIX-like environments on Windows such as Cygwin and MSYS will |
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260 # set TERM. They appear to make a best effort attempt at setting it |
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261 # to something appropriate. However, not all environments with TERM |
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262 # defined support ANSI. Since "ansi" could result in terminal |
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263 # gibberish, we error on the side of selecting "win32". However, if |
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264 # w32effects is not defined, we almost certainly don't support |
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265 # "win32", so don't even try. |
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266 if (term and 'xterm' in term) or not w32effects: |
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267 realmode = 'ansi' |
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268 else: |
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269 realmode = 'win32' |
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270 else: |
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271 realmode = 'ansi' |
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272 |
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273 def modewarn(): |
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274 # only warn if color.mode was explicitly set and we're in |
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275 # a formatted terminal |
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276 if mode == realmode and ui.formatted(): |
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277 ui.warn(_('warning: failed to set color mode to %s\n') % mode) |
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278 |
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279 if realmode == 'win32': |
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280 color._terminfo_params.clear() |
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281 if not w32effects: |
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282 modewarn() |
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283 return None |
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284 color._effects.update(w32effects) |
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285 elif realmode == 'ansi': |
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286 color._terminfo_params.clear() |
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287 elif realmode == 'terminfo': |
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288 _terminfosetup(ui, mode) |
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289 if not color._terminfo_params: |
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290 ## FIXME Shouldn't we return None in this case too? |
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291 modewarn() |
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292 realmode = 'ansi' |
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293 else: |
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294 return None |
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295 |
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296 if always or (auto and formatted): |
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297 return realmode |
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298 return None |
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299 |
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300 def _effect_str(effect): |
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301 '''Helper function for render_effects().''' |
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302 |
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303 bg = False |
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304 if effect.endswith('_background'): |
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305 bg = True |
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306 effect = effect[:-11] |
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307 try: |
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308 attr, val, termcode = color._terminfo_params[effect] |
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309 except KeyError: |
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310 return '' |
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311 if attr: |
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312 if termcode: |
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313 return termcode |
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314 else: |
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315 return curses.tigetstr(val) |
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316 elif bg: |
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317 return curses.tparm(curses.tigetstr('setab'), val) |
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318 else: |
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319 return curses.tparm(curses.tigetstr('setaf'), val) |
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320 |
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321 def render_effects(text, effects): |
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322 'Wrap text in commands to turn on each effect.' |
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323 if not text: |
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324 return text |
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325 if not color._terminfo_params: |
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326 start = [str(color._effects[e]) for e in ['none'] + effects.split()] |
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327 start = '\033[' + ';'.join(start) + 'm' |
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328 stop = '\033[' + str(color._effects['none']) + 'm' |
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329 else: |
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330 start = ''.join(_effect_str(effect) |
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331 for effect in ['none'] + effects.split()) |
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332 stop = _effect_str('none') |
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333 return ''.join([start, text, stop]) |
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334 |
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335 def valideffect(effect): |
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336 'Determine if the effect is valid or not.' |
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337 good = False |
30968
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338 if not color._terminfo_params and effect in color._effects: |
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339 good = True |
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340 elif (effect in color._terminfo_params |
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341 or effect[:-11] in color._terminfo_params): |
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342 good = True |
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343 return good |
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344 |
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345 def configstyles(ui): |
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346 for status, cfgeffects in ui.configitems('color'): |
30173
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parents:
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347 if '.' not in status or status.startswith(('color.', 'terminfo.')): |
10826
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348 continue |
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349 cfgeffects = ui.configlist('color', status) |
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350 if cfgeffects: |
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351 good = [] |
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352 for e in cfgeffects: |
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353 if valideffect(e): |
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354 good.append(e) |
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355 else: |
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|
356 ui.warn(_("ignoring unknown color/effect %r " |
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357 "(configured in color.%s)\n") |
10826
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358 % (e, status)) |
30652
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359 color._styles[status] = ' '.join(good) |
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360 |
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361 class colorui(uimod.ui): |
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362 _colormode = 'ansi' |
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363 def write(self, *args, **opts): |
19072
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364 if self._colormode is None: |
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365 return super(colorui, self).write(*args, **opts) |
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366 |
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367 label = opts.get('label', '') |
28633
e35d7f131483
ui: add prompt argument to write (issue5154) (API)
timeless <timeless@mozdev.org>
parents:
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diff
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368 if self._buffers and not opts.get('prompt', False): |
27108
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parents:
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369 if self._bufferapplylabels: |
27110
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370 self._buffers[-1].extend(self.label(a, label) for a in args) |
27108
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371 else: |
27110
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372 self._buffers[-1].extend(args) |
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373 elif self._colormode == 'win32': |
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374 for a in args: |
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375 win32print(a, super(colorui, self).write, **opts) |
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376 else: |
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377 return super(colorui, self).write( |
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378 *[self.label(a, label) for a in args], **opts) |
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379 |
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380 def write_err(self, *args, **opts): |
19072
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381 if self._colormode is None: |
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382 return super(colorui, self).write_err(*args, **opts) |
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383 |
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384 label = opts.get('label', '') |
24848
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ui: allow capture of subprocess output
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24535
diff
changeset
|
385 if self._bufferstates and self._bufferstates[-1][0]: |
21190
2606e7f227f6
color: add missing handling of stderr capture introduced by 350dc24a553d
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
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|
386 return self.write(*args, **opts) |
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387 if self._colormode == 'win32': |
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|
388 for a in args: |
11727
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color: pass write/write_err to win32print correctly (issue2312)
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parents:
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diff
changeset
|
389 win32print(a, super(colorui, self).write_err, **opts) |
11555
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color/progress: subclass ui instead of using wrapfunction (issue2096)
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|
390 else: |
11732
386e56ecfb78
color: call correct superclass method in write_err
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changeset
|
391 return super(colorui, self).write_err( |
27110
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|
392 *[self.label(a, label) for a in args], **opts) |
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393 |
22463
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|
394 def showlabel(self, msg, label): |
22763
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color: omit debug label output on empty strings
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
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diff
changeset
|
395 if label and msg: |
7ebf91426f6a
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parents:
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changeset
|
396 if msg[-1] == '\n': |
22464
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color: change the debug output format
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
397 return "[%s|%s]\n" % (label, msg[:-1]) |
22463
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|
398 else: |
22464
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Matt Mackall <mpm@selenic.com>
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changeset
|
399 return "[%s|%s]" % (label, msg) |
22463
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|
400 else: |
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changeset
|
401 return msg |
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changeset
|
402 |
11555
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|
403 def label(self, msg, label): |
19072
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changeset
|
404 if self._colormode is None: |
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parents:
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changeset
|
405 return super(colorui, self).label(msg, label) |
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changeset
|
406 |
22463
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changeset
|
407 if self._colormode == 'debug': |
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parents:
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changeset
|
408 return self.showlabel(msg, label) |
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changeset
|
409 |
11555
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changeset
|
410 effects = [] |
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changeset
|
411 for l in label.split(): |
30652
1ec42bdd7874
color: move hgext.color._styles to mercurial.color.style
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
412 s = color._styles.get(l, '') |
11555
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changeset
|
413 if s: |
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changeset
|
414 effects.append(s) |
20993
a8db48e997b5
color: fallback and test label as an effect
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parents:
20992
diff
changeset
|
415 elif valideffect(l): |
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parents:
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diff
changeset
|
416 effects.append(l) |
14145
4b7e4b9db8fb
color: fix using multiple effects
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14139
diff
changeset
|
417 effects = ' '.join(effects) |
11555
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changeset
|
418 if effects: |
30387
ca74c076710e
color: avoid shadowing a variable inside a list comprehension
Augie Fackler <augie@google.com>
parents:
30367
diff
changeset
|
419 return '\n'.join([render_effects(line, effects) |
ca74c076710e
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
420 for line in msg.split('\n')]) |
11555
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|
421 return msg |
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|
422 |
10826
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changeset
|
423 def uisetup(ui): |
10871 | 424 if ui.plain(): |
425 return | |
19298
6cd8403e070f
color: use pythons isinstance method instead of reprogramming it
Simon Heimberg <simohe@besonet.ch>
parents:
19297
diff
changeset
|
426 if not isinstance(ui, colorui): |
19063
7ae12ce87594
color: set the ui class in reposetup, before a repo is created
Simon Heimberg <simohe@besonet.ch>
parents:
18921
diff
changeset
|
427 colorui.__bases__ = (ui.__class__,) |
7ae12ce87594
color: set the ui class in reposetup, before a repo is created
Simon Heimberg <simohe@besonet.ch>
parents:
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diff
changeset
|
428 ui.__class__ = colorui |
10826
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|
429 def colorcmd(orig, ui_, opts, cmd, cmdfunc): |
19297
8ddc3cd962ba
color: only provide the required opt to _modesetup
Simon Heimberg <simohe@besonet.ch>
parents:
19215
diff
changeset
|
430 mode = _modesetup(ui_, opts['color']) |
19073
d78d0256198e
color: set _colormode to None when mode is unset (issue3895)
Siddharth Agarwal <sid0@fb.com>
parents:
19072
diff
changeset
|
431 colorui._colormode = mode |
22463
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color: enable debug option to show labels
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diff
changeset
|
432 if mode and mode != 'debug': |
11555
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|
433 configstyles(ui_) |
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diff
changeset
|
434 return orig(ui_, opts, cmd, cmdfunc) |
23780
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Mathias De Maré <mathias.demare@gmail.com>
parents:
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diff
changeset
|
435 def colorgit(orig, gitsub, commands, env=None, stream=False, cwd=None): |
a857755144dc
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diff
changeset
|
436 if gitsub.ui._colormode and len(commands) and commands[0] == "diff": |
a857755144dc
color: add support for colorizing git subrepo diffs
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diff
changeset
|
437 # insert the argument in the front, |
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diff
changeset
|
438 # the end of git diff arguments is used for paths |
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parents:
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changeset
|
439 commands.insert(1, '--color') |
a857755144dc
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parents:
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diff
changeset
|
440 return orig(gitsub, commands, env, stream, cwd) |
10826
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diff
changeset
|
441 extensions.wrapfunction(dispatch, '_runcommand', colorcmd) |
23780
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parents:
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diff
changeset
|
442 extensions.wrapfunction(subrepo.gitsubrepo, '_gitnodir', colorgit) |
10826
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diff
changeset
|
443 |
12693
33f0682ba8b1
color: add global option in extsetup() instead of globally
Brodie Rao <brodie@bitheap.org>
parents:
12278
diff
changeset
|
444 def extsetup(ui): |
33f0682ba8b1
color: add global option in extsetup() instead of globally
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parents:
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diff
changeset
|
445 commands.globalopts.append( |
33f0682ba8b1
color: add global option in extsetup() instead of globally
Brodie Rao <brodie@bitheap.org>
parents:
12278
diff
changeset
|
446 ('', 'color', 'auto', |
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447 # i18n: 'always', 'auto', 'never', and 'debug' are keywords |
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448 # and should not be translated |
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449 _("when to colorize (boolean, always, auto, never, or debug)"), |
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450 _('TYPE'))) |
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451 |
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452 @command('debugcolor', |
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453 [('', 'style', None, _('show all configured styles'))], |
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454 'hg debugcolor') |
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455 def debugcolor(ui, repo, **opts): |
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456 """show available color, effects or style""" |
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457 ui.write(('color mode: %s\n') % ui._colormode) |
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458 if opts.get('style'): |
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459 return _debugdisplaystyle(ui) |
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460 else: |
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461 return _debugdisplaycolor(ui) |
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462 |
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463 def _debugdisplaycolor(ui): |
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464 oldstyle = color._styles.copy() |
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465 try: |
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466 color._styles.clear() |
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467 for effect in color._effects.keys(): |
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468 color._styles[effect] = effect |
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469 if color._terminfo_params: |
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470 for k, v in ui.configitems('color'): |
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471 if k.startswith('color.'): |
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472 color._styles[k] = k[6:] |
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473 elif k.startswith('terminfo.'): |
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474 color._styles[k] = k[9:] |
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475 ui.write(_('available colors:\n')) |
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476 # sort label with a '_' after the other to group '_background' entry. |
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477 items = sorted(color._styles.items(), |
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478 key=lambda i: ('_' in i[0], i[0], i[1])) |
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479 for colorname, label in items: |
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480 ui.write(('%s\n') % colorname, label=label) |
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481 finally: |
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482 color._styles.clear() |
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483 color._styles.update(oldstyle) |
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484 |
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485 def _debugdisplaystyle(ui): |
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486 ui.write(_('available style:\n')) |
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487 width = max(len(s) for s in color._styles) |
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488 for label, effects in sorted(color._styles.items()): |
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489 ui.write('%s' % label, label=label) |
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490 if effects: |
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491 # 50 |
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492 ui.write(': ') |
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493 ui.write(' ' * (max(0, width - len(label)))) |
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494 ui.write(', '.join(ui.label(e, e) for e in effects.split())) |
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495 ui.write('\n') |
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|
496 |
30640
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497 if pycompat.osname != 'nt': |
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498 w32effects = None |
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499 else: |
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500 import ctypes |
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501 import re |
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502 |
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503 _kernel32 = ctypes.windll.kernel32 |
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504 |
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505 _WORD = ctypes.c_ushort |
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506 |
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507 _INVALID_HANDLE_VALUE = -1 |
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508 |
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509 class _COORD(ctypes.Structure): |
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510 _fields_ = [('X', ctypes.c_short), |
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511 ('Y', ctypes.c_short)] |
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512 |
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513 class _SMALL_RECT(ctypes.Structure): |
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514 _fields_ = [('Left', ctypes.c_short), |
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515 ('Top', ctypes.c_short), |
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516 ('Right', ctypes.c_short), |
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517 ('Bottom', ctypes.c_short)] |
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518 |
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519 class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure): |
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520 _fields_ = [('dwSize', _COORD), |
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521 ('dwCursorPosition', _COORD), |
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522 ('wAttributes', _WORD), |
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523 ('srWindow', _SMALL_RECT), |
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524 ('dwMaximumWindowSize', _COORD)] |
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525 |
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526 _STD_OUTPUT_HANDLE = 0xfffffff5 # (DWORD)-11 |
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527 _STD_ERROR_HANDLE = 0xfffffff4 # (DWORD)-12 |
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528 |
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529 _FOREGROUND_BLUE = 0x0001 |
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530 _FOREGROUND_GREEN = 0x0002 |
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531 _FOREGROUND_RED = 0x0004 |
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532 _FOREGROUND_INTENSITY = 0x0008 |
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533 |
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534 _BACKGROUND_BLUE = 0x0010 |
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535 _BACKGROUND_GREEN = 0x0020 |
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536 _BACKGROUND_RED = 0x0040 |
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537 _BACKGROUND_INTENSITY = 0x0080 |
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538 |
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539 _COMMON_LVB_REVERSE_VIDEO = 0x4000 |
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540 _COMMON_LVB_UNDERSCORE = 0x8000 |
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541 |
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542 # http://msdn.microsoft.com/en-us/library/ms682088%28VS.85%29.aspx |
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543 w32effects = { |
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544 'none': -1, |
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545 'black': 0, |
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546 'red': _FOREGROUND_RED, |
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547 'green': _FOREGROUND_GREEN, |
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548 'yellow': _FOREGROUND_RED | _FOREGROUND_GREEN, |
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549 'blue': _FOREGROUND_BLUE, |
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550 'magenta': _FOREGROUND_BLUE | _FOREGROUND_RED, |
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551 'cyan': _FOREGROUND_BLUE | _FOREGROUND_GREEN, |
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552 'white': _FOREGROUND_RED | _FOREGROUND_GREEN | _FOREGROUND_BLUE, |
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553 'bold': _FOREGROUND_INTENSITY, |
12278 | 554 'black_background': 0x100, # unused value > 0x0f |
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555 'red_background': _BACKGROUND_RED, |
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556 'green_background': _BACKGROUND_GREEN, |
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557 'yellow_background': _BACKGROUND_RED | _BACKGROUND_GREEN, |
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558 'blue_background': _BACKGROUND_BLUE, |
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559 'purple_background': _BACKGROUND_BLUE | _BACKGROUND_RED, |
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560 'cyan_background': _BACKGROUND_BLUE | _BACKGROUND_GREEN, |
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561 'white_background': (_BACKGROUND_RED | _BACKGROUND_GREEN | |
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562 _BACKGROUND_BLUE), |
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563 'bold_background': _BACKGROUND_INTENSITY, |
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564 'underline': _COMMON_LVB_UNDERSCORE, # double-byte charsets only |
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565 'inverse': _COMMON_LVB_REVERSE_VIDEO, # double-byte charsets only |
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566 } |
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567 |
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568 passthrough = set([_FOREGROUND_INTENSITY, |
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569 _BACKGROUND_INTENSITY, |
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570 _COMMON_LVB_UNDERSCORE, |
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571 _COMMON_LVB_REVERSE_VIDEO]) |
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572 |
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573 stdout = _kernel32.GetStdHandle( |
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574 _STD_OUTPUT_HANDLE) # don't close the handle returned |
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575 if stdout is None or stdout == _INVALID_HANDLE_VALUE: |
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576 w32effects = None |
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577 else: |
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578 csbi = _CONSOLE_SCREEN_BUFFER_INFO() |
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579 if not _kernel32.GetConsoleScreenBufferInfo( |
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580 stdout, ctypes.byref(csbi)): |
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581 # stdout may not support GetConsoleScreenBufferInfo() |
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582 # when called from subprocess or redirected |
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583 w32effects = None |
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584 else: |
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585 origattr = csbi.wAttributes |
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586 ansire = re.compile('\033\[([^m]*)m([^\033]*)(.*)', |
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587 re.MULTILINE | re.DOTALL) |
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588 |
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589 def win32print(text, orig, **opts): |
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590 label = opts.get('label', '') |
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591 attr = origattr |
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592 |
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593 def mapcolor(val, attr): |
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594 if val == -1: |
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595 return origattr |
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596 elif val in passthrough: |
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597 return attr | val |
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598 elif val > 0x0f: |
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599 return (val & 0x70) | (attr & 0x8f) |
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600 else: |
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601 return (val & 0x07) | (attr & 0xf8) |
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602 |
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603 # determine console attributes based on labels |
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604 for l in label.split(): |
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605 style = color._styles.get(l, '') |
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606 for effect in style.split(): |
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607 try: |
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608 attr = mapcolor(w32effects[effect], attr) |
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609 except KeyError: |
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610 # w32effects could not have certain attributes so we skip |
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611 # them if not found |
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612 pass |
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613 # hack to ensure regexp finds data |
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614 if not text.startswith('\033['): |
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615 text = '\033[m' + text |
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616 |
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617 # Look for ANSI-like codes embedded in text |
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618 m = re.match(ansire, text) |
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619 |
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620 try: |
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621 while m: |
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622 for sattr in m.group(1).split(';'): |
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623 if sattr: |
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624 attr = mapcolor(int(sattr), attr) |
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625 _kernel32.SetConsoleTextAttribute(stdout, attr) |
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626 orig(m.group(2), **opts) |
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627 m = re.match(ansire, m.group(3)) |
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628 finally: |
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629 # Explicitly reset original attributes |
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630 _kernel32.SetConsoleTextAttribute(stdout, origattr) |