Mercurial > hg
annotate mercurial/color.py @ 34202:d47749807464
posix: always pass a native str to unicodedata.normalize's first arg
author | Augie Fackler <raf@durin42.com> |
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date | Fri, 15 Sep 2017 19:44:32 -0400 |
parents | 0fa781320203 |
children | a57c938e7ac8 |
rev | line source |
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1 # utility for color output for Mercurial commands |
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2 # |
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3 # Copyright (C) 2007 Kevin Christen <kevin.christen@gmail.com> and other |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import re |
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11 |
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12 from .i18n import _ |
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13 |
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14 from . import ( |
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15 encoding, |
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16 pycompat, |
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17 util |
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18 ) |
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19 |
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20 try: |
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21 import curses |
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22 # Mapping from effect name to terminfo attribute name (or raw code) or |
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23 # color number. This will also force-load the curses module. |
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24 _baseterminfoparams = { |
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25 'none': (True, 'sgr0', ''), |
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26 'standout': (True, 'smso', ''), |
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27 'underline': (True, 'smul', ''), |
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28 'reverse': (True, 'rev', ''), |
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29 'inverse': (True, 'rev', ''), |
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30 'blink': (True, 'blink', ''), |
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31 'dim': (True, 'dim', ''), |
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32 'bold': (True, 'bold', ''), |
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33 'invisible': (True, 'invis', ''), |
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34 'italic': (True, 'sitm', ''), |
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35 'black': (False, curses.COLOR_BLACK, ''), |
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36 'red': (False, curses.COLOR_RED, ''), |
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37 'green': (False, curses.COLOR_GREEN, ''), |
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38 'yellow': (False, curses.COLOR_YELLOW, ''), |
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39 'blue': (False, curses.COLOR_BLUE, ''), |
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40 'magenta': (False, curses.COLOR_MAGENTA, ''), |
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41 'cyan': (False, curses.COLOR_CYAN, ''), |
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42 'white': (False, curses.COLOR_WHITE, ''), |
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43 } |
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44 except ImportError: |
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45 curses = None |
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46 _baseterminfoparams = {} |
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47 |
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48 # start and stop parameters for effects |
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49 _effects = { |
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50 'none': 0, |
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51 'black': 30, |
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52 'red': 31, |
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53 'green': 32, |
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54 'yellow': 33, |
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55 'blue': 34, |
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56 'magenta': 35, |
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57 'cyan': 36, |
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58 'white': 37, |
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59 'bold': 1, |
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60 'italic': 3, |
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61 'underline': 4, |
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62 'inverse': 7, |
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63 'dim': 2, |
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64 'black_background': 40, |
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65 'red_background': 41, |
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66 'green_background': 42, |
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67 'yellow_background': 43, |
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68 'blue_background': 44, |
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69 'purple_background': 45, |
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70 'cyan_background': 46, |
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71 'white_background': 47, |
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72 } |
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73 |
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74 _defaultstyles = { |
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75 'grep.match': 'red bold', |
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76 'grep.linenumber': 'green', |
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77 'grep.rev': 'green', |
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78 'grep.change': 'green', |
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79 'grep.sep': 'cyan', |
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80 'grep.filename': 'magenta', |
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81 'grep.user': 'magenta', |
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82 'grep.date': 'magenta', |
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83 'bookmarks.active': 'green', |
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84 'branches.active': 'none', |
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85 'branches.closed': 'black bold', |
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86 'branches.current': 'green', |
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87 'branches.inactive': 'none', |
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88 'diff.changed': 'white', |
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89 'diff.deleted': 'red', |
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90 'diff.diffline': 'bold', |
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91 'diff.extended': 'cyan bold', |
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92 'diff.file_a': 'red bold', |
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93 'diff.file_b': 'green bold', |
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94 'diff.hunk': 'magenta', |
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95 'diff.inserted': 'green', |
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96 'diff.tab': '', |
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97 'diff.trailingwhitespace': 'bold red_background', |
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98 'changeset.public' : '', |
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99 'changeset.draft' : '', |
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100 'changeset.secret' : '', |
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101 'diffstat.deleted': 'red', |
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102 'diffstat.inserted': 'green', |
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103 'histedit.remaining': 'red bold', |
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104 'ui.prompt': 'yellow', |
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105 'log.changeset': 'yellow', |
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106 'patchbomb.finalsummary': '', |
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107 'patchbomb.from': 'magenta', |
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108 'patchbomb.to': 'cyan', |
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109 'patchbomb.subject': 'green', |
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110 'patchbomb.diffstats': '', |
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111 'rebase.rebased': 'blue', |
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112 'rebase.remaining': 'red bold', |
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113 'resolve.resolved': 'green bold', |
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114 'resolve.unresolved': 'red bold', |
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115 'shelve.age': 'cyan', |
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116 'shelve.newest': 'green bold', |
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117 'shelve.name': 'blue bold', |
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118 'status.added': 'green bold', |
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119 'status.clean': 'none', |
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120 'status.copied': 'none', |
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121 'status.deleted': 'cyan bold underline', |
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122 'status.ignored': 'black bold', |
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123 'status.modified': 'blue bold', |
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124 'status.removed': 'red bold', |
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125 'status.unknown': 'magenta bold underline', |
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126 'tags.normal': 'green', |
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127 'tags.local': 'black bold', |
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128 } |
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129 |
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130 def loadcolortable(ui, extname, colortable): |
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131 _defaultstyles.update(colortable) |
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132 |
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133 def _terminfosetup(ui, mode, formatted): |
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134 '''Initialize terminfo data and the terminal if we're in terminfo mode.''' |
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135 |
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136 # If we failed to load curses, we go ahead and return. |
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137 if curses is None: |
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138 return |
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139 # Otherwise, see what the config file says. |
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140 if mode not in ('auto', 'terminfo'): |
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141 return |
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142 ui._terminfoparams.update(_baseterminfoparams) |
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143 |
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144 for key, val in ui.configitems('color'): |
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145 if key.startswith('color.'): |
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146 newval = (False, int(val), '') |
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147 ui._terminfoparams[key[6:]] = newval |
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148 elif key.startswith('terminfo.'): |
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149 newval = (True, '', val.replace('\\E', '\x1b')) |
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150 ui._terminfoparams[key[9:]] = newval |
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151 try: |
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152 curses.setupterm() |
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153 except curses.error as e: |
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154 ui._terminfoparams.clear() |
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155 return |
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156 |
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157 for key, (b, e, c) in ui._terminfoparams.items(): |
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158 if not b: |
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159 continue |
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160 if not c and not curses.tigetstr(e): |
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161 # Most terminals don't support dim, invis, etc, so don't be |
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162 # noisy and use ui.debug(). |
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163 ui.debug("no terminfo entry for %s\n" % e) |
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164 del ui._terminfoparams[key] |
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165 if not curses.tigetstr('setaf') or not curses.tigetstr('setab'): |
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166 # Only warn about missing terminfo entries if we explicitly asked for |
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167 # terminfo mode and we're in a formatted terminal. |
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168 if mode == "terminfo" and formatted: |
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169 ui.warn(_("no terminfo entry for setab/setaf: reverting to " |
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170 "ECMA-48 color\n")) |
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171 ui._terminfoparams.clear() |
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172 |
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173 def setup(ui): |
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174 """configure color on a ui |
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175 |
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176 That function both set the colormode for the ui object and read |
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177 the configuration looking for custom colors and effect definitions.""" |
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178 mode = _modesetup(ui) |
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179 ui._colormode = mode |
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180 if mode and mode != 'debug': |
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181 configstyles(ui) |
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182 |
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183 def _modesetup(ui): |
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184 if ui.plain(): |
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185 return None |
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186 config = ui.config('ui', 'color') |
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187 if config == 'debug': |
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188 return 'debug' |
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189 |
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190 auto = (config == 'auto') |
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191 always = False |
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192 if not auto and util.parsebool(config): |
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193 # We want the config to behave like a boolean, "on" is actually auto, |
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194 # but "always" value is treated as a special case to reduce confusion. |
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195 if ui.configsource('ui', 'color') == '--color' or config == 'always': |
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196 always = True |
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197 else: |
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198 auto = True |
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199 |
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200 if not always and not auto: |
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201 return None |
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202 |
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203 formatted = (always or (encoding.environ.get('TERM') != 'dumb' |
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204 and ui.formatted())) |
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205 |
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206 mode = ui.config('color', 'mode') |
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207 |
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208 # If pager is active, color.pagermode overrides color.mode. |
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209 if getattr(ui, 'pageractive', False): |
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210 mode = ui.config('color', 'pagermode', mode) |
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211 |
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212 realmode = mode |
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213 if pycompat.osname == 'nt': |
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214 from . import win32 |
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215 |
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216 term = encoding.environ.get('TERM') |
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217 # TERM won't be defined in a vanilla cmd.exe environment. |
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218 |
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219 # UNIX-like environments on Windows such as Cygwin and MSYS will |
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220 # set TERM. They appear to make a best effort attempt at setting it |
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221 # to something appropriate. However, not all environments with TERM |
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222 # defined support ANSI. |
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223 ansienviron = term and 'xterm' in term |
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224 |
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225 if mode == 'auto': |
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226 # Since "ansi" could result in terminal gibberish, we error on the |
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227 # side of selecting "win32". However, if w32effects is not defined, |
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228 # we almost certainly don't support "win32", so don't even try. |
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229 # w32ffects is not populated when stdout is redirected, so checking |
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230 # it first avoids win32 calls in a state known to error out. |
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231 if ansienviron or not w32effects or win32.enablevtmode(): |
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232 realmode = 'ansi' |
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233 else: |
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234 realmode = 'win32' |
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235 # An empty w32effects is a clue that stdout is redirected, and thus |
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236 # cannot enable VT mode. |
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237 elif mode == 'ansi' and w32effects and not ansienviron: |
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238 win32.enablevtmode() |
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239 elif mode == 'auto': |
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240 realmode = 'ansi' |
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241 |
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242 def modewarn(): |
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243 # only warn if color.mode was explicitly set and we're in |
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244 # a formatted terminal |
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245 if mode == realmode and formatted: |
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246 ui.warn(_('warning: failed to set color mode to %s\n') % mode) |
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247 |
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248 if realmode == 'win32': |
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249 ui._terminfoparams.clear() |
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250 if not w32effects: |
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251 modewarn() |
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252 return None |
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253 elif realmode == 'ansi': |
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254 ui._terminfoparams.clear() |
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255 elif realmode == 'terminfo': |
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256 _terminfosetup(ui, mode, formatted) |
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257 if not ui._terminfoparams: |
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258 ## FIXME Shouldn't we return None in this case too? |
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259 modewarn() |
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260 realmode = 'ansi' |
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261 else: |
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262 return None |
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263 |
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264 if always or (auto and formatted): |
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265 return realmode |
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266 return None |
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267 |
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268 def configstyles(ui): |
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269 ui._styles.update(_defaultstyles) |
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270 for status, cfgeffects in ui.configitems('color'): |
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271 if '.' not in status or status.startswith(('color.', 'terminfo.')): |
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272 continue |
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273 cfgeffects = ui.configlist('color', status) |
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274 if cfgeffects: |
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275 good = [] |
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276 for e in cfgeffects: |
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277 if valideffect(ui, e): |
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278 good.append(e) |
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279 else: |
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280 ui.warn(_("ignoring unknown color/effect %r " |
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281 "(configured in color.%s)\n") |
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282 % (e, status)) |
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283 ui._styles[status] = ' '.join(good) |
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284 |
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285 def _activeeffects(ui): |
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286 '''Return the effects map for the color mode set on the ui.''' |
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287 if ui._colormode == 'win32': |
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288 return w32effects |
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289 elif ui._colormode is not None: |
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290 return _effects |
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291 return {} |
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292 |
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293 def valideffect(ui, effect): |
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294 'Determine if the effect is valid or not.' |
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295 return ((not ui._terminfoparams and effect in _activeeffects(ui)) |
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296 or (effect in ui._terminfoparams |
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297 or effect[:-11] in ui._terminfoparams)) |
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298 |
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299 def _effect_str(ui, effect): |
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300 '''Helper function for render_effects().''' |
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301 |
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302 bg = False |
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303 if effect.endswith('_background'): |
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304 bg = True |
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305 effect = effect[:-11] |
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306 try: |
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307 attr, val, termcode = ui._terminfoparams[effect] |
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308 except KeyError: |
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309 return '' |
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310 if attr: |
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311 if termcode: |
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312 return termcode |
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313 else: |
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314 return curses.tigetstr(val) |
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315 elif bg: |
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316 return curses.tparm(curses.tigetstr('setab'), val) |
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317 else: |
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318 return curses.tparm(curses.tigetstr('setaf'), val) |
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319 |
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320 def _mergeeffects(text, start, stop): |
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321 """Insert start sequence at every occurrence of stop sequence |
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322 |
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323 >>> s = _mergeeffects(b'cyan', b'[C]', b'|') |
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324 >>> s = _mergeeffects(s + b'yellow', b'[Y]', b'|') |
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325 >>> s = _mergeeffects(b'ma' + s + b'genta', b'[M]', b'|') |
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326 >>> s = _mergeeffects(b'red' + s, b'[R]', b'|') |
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327 >>> s |
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328 '[R]red[M]ma[Y][C]cyan|[R][M][Y]yellow|[R][M]genta|' |
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329 """ |
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330 parts = [] |
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331 for t in text.split(stop): |
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332 if not t: |
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333 continue |
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334 parts.extend([start, t, stop]) |
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335 return ''.join(parts) |
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336 |
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337 def _render_effects(ui, text, effects): |
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338 'Wrap text in commands to turn on each effect.' |
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339 if not text: |
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340 return text |
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341 if ui._terminfoparams: |
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342 start = ''.join(_effect_str(ui, effect) |
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343 for effect in ['none'] + effects.split()) |
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344 stop = _effect_str(ui, 'none') |
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345 else: |
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346 activeeffects = _activeeffects(ui) |
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347 start = [pycompat.bytestr(activeeffects[e]) |
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348 for e in ['none'] + effects.split()] |
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349 start = '\033[' + ';'.join(start) + 'm' |
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350 stop = '\033[' + pycompat.bytestr(activeeffects['none']) + 'm' |
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351 return _mergeeffects(text, start, stop) |
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352 |
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353 _ansieffectre = re.compile(br'\x1b\[[0-9;]*m') |
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354 |
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355 def stripeffects(text): |
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356 """Strip ANSI control codes which could be inserted by colorlabel()""" |
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357 return _ansieffectre.sub('', text) |
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358 |
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359 def colorlabel(ui, msg, label): |
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360 """add color control code according to the mode""" |
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361 if ui._colormode == 'debug': |
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362 if label and msg: |
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363 if msg[-1] == '\n': |
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364 msg = "[%s|%s]\n" % (label, msg[:-1]) |
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365 else: |
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366 msg = "[%s|%s]" % (label, msg) |
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367 elif ui._colormode is not None: |
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368 effects = [] |
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369 for l in label.split(): |
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370 s = ui._styles.get(l, '') |
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371 if s: |
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372 effects.append(s) |
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373 elif valideffect(ui, l): |
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374 effects.append(l) |
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375 effects = ' '.join(effects) |
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376 if effects: |
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377 msg = '\n'.join([_render_effects(ui, line, effects) |
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378 for line in msg.split('\n')]) |
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379 return msg |
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380 |
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381 w32effects = None |
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382 if pycompat.osname == 'nt': |
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383 import ctypes |
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384 |
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385 _kernel32 = ctypes.windll.kernel32 |
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386 |
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387 _WORD = ctypes.c_ushort |
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388 |
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389 _INVALID_HANDLE_VALUE = -1 |
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390 |
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391 class _COORD(ctypes.Structure): |
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392 _fields_ = [('X', ctypes.c_short), |
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393 ('Y', ctypes.c_short)] |
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394 |
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395 class _SMALL_RECT(ctypes.Structure): |
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396 _fields_ = [('Left', ctypes.c_short), |
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397 ('Top', ctypes.c_short), |
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398 ('Right', ctypes.c_short), |
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399 ('Bottom', ctypes.c_short)] |
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400 |
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401 class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure): |
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402 _fields_ = [('dwSize', _COORD), |
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403 ('dwCursorPosition', _COORD), |
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404 ('wAttributes', _WORD), |
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405 ('srWindow', _SMALL_RECT), |
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406 ('dwMaximumWindowSize', _COORD)] |
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407 |
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408 _STD_OUTPUT_HANDLE = 0xfffffff5 # (DWORD)-11 |
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409 _STD_ERROR_HANDLE = 0xfffffff4 # (DWORD)-12 |
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410 |
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411 _FOREGROUND_BLUE = 0x0001 |
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412 _FOREGROUND_GREEN = 0x0002 |
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413 _FOREGROUND_RED = 0x0004 |
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414 _FOREGROUND_INTENSITY = 0x0008 |
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415 |
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416 _BACKGROUND_BLUE = 0x0010 |
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417 _BACKGROUND_GREEN = 0x0020 |
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418 _BACKGROUND_RED = 0x0040 |
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419 _BACKGROUND_INTENSITY = 0x0080 |
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420 |
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421 _COMMON_LVB_REVERSE_VIDEO = 0x4000 |
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422 _COMMON_LVB_UNDERSCORE = 0x8000 |
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423 |
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424 # http://msdn.microsoft.com/en-us/library/ms682088%28VS.85%29.aspx |
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425 w32effects = { |
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426 'none': -1, |
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427 'black': 0, |
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428 'red': _FOREGROUND_RED, |
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429 'green': _FOREGROUND_GREEN, |
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430 'yellow': _FOREGROUND_RED | _FOREGROUND_GREEN, |
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431 'blue': _FOREGROUND_BLUE, |
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432 'magenta': _FOREGROUND_BLUE | _FOREGROUND_RED, |
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433 'cyan': _FOREGROUND_BLUE | _FOREGROUND_GREEN, |
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434 'white': _FOREGROUND_RED | _FOREGROUND_GREEN | _FOREGROUND_BLUE, |
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435 'bold': _FOREGROUND_INTENSITY, |
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436 'black_background': 0x100, # unused value > 0x0f |
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437 'red_background': _BACKGROUND_RED, |
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438 'green_background': _BACKGROUND_GREEN, |
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439 'yellow_background': _BACKGROUND_RED | _BACKGROUND_GREEN, |
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440 'blue_background': _BACKGROUND_BLUE, |
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441 'purple_background': _BACKGROUND_BLUE | _BACKGROUND_RED, |
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442 'cyan_background': _BACKGROUND_BLUE | _BACKGROUND_GREEN, |
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443 'white_background': (_BACKGROUND_RED | _BACKGROUND_GREEN | |
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444 _BACKGROUND_BLUE), |
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445 'bold_background': _BACKGROUND_INTENSITY, |
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446 'underline': _COMMON_LVB_UNDERSCORE, # double-byte charsets only |
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447 'inverse': _COMMON_LVB_REVERSE_VIDEO, # double-byte charsets only |
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448 } |
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449 |
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450 passthrough = {_FOREGROUND_INTENSITY, |
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451 _BACKGROUND_INTENSITY, |
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452 _COMMON_LVB_UNDERSCORE, |
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453 _COMMON_LVB_REVERSE_VIDEO} |
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454 |
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455 stdout = _kernel32.GetStdHandle( |
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456 _STD_OUTPUT_HANDLE) # don't close the handle returned |
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457 if stdout is None or stdout == _INVALID_HANDLE_VALUE: |
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458 w32effects = None |
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459 else: |
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460 csbi = _CONSOLE_SCREEN_BUFFER_INFO() |
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461 if not _kernel32.GetConsoleScreenBufferInfo( |
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462 stdout, ctypes.byref(csbi)): |
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463 # stdout may not support GetConsoleScreenBufferInfo() |
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464 # when called from subprocess or redirected |
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465 w32effects = None |
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466 else: |
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467 origattr = csbi.wAttributes |
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468 ansire = re.compile('\033\[([^m]*)m([^\033]*)(.*)', |
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469 re.MULTILINE | re.DOTALL) |
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470 |
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471 def win32print(ui, writefunc, *msgs, **opts): |
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472 for text in msgs: |
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473 _win32print(ui, text, writefunc, **opts) |
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474 |
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475 def _win32print(ui, text, writefunc, **opts): |
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476 label = opts.get('label', '') |
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477 attr = origattr |
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478 |
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479 def mapcolor(val, attr): |
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480 if val == -1: |
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481 return origattr |
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482 elif val in passthrough: |
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483 return attr | val |
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484 elif val > 0x0f: |
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485 return (val & 0x70) | (attr & 0x8f) |
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486 else: |
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487 return (val & 0x07) | (attr & 0xf8) |
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488 |
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489 # determine console attributes based on labels |
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490 for l in label.split(): |
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491 style = ui._styles.get(l, '') |
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492 for effect in style.split(): |
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493 try: |
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494 attr = mapcolor(w32effects[effect], attr) |
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495 except KeyError: |
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496 # w32effects could not have certain attributes so we skip |
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497 # them if not found |
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498 pass |
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499 # hack to ensure regexp finds data |
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500 if not text.startswith('\033['): |
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501 text = '\033[m' + text |
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502 |
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503 # Look for ANSI-like codes embedded in text |
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504 m = re.match(ansire, text) |
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505 |
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506 try: |
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507 while m: |
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508 for sattr in m.group(1).split(';'): |
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509 if sattr: |
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510 attr = mapcolor(int(sattr), attr) |
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511 ui.flush() |
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512 _kernel32.SetConsoleTextAttribute(stdout, attr) |
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513 writefunc(m.group(2), **opts) |
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514 m = re.match(ansire, m.group(3)) |
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515 finally: |
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516 # Explicitly reset original attributes |
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517 ui.flush() |
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518 _kernel32.SetConsoleTextAttribute(stdout, origattr) |