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45450b6576
When code like filemerge._iprompt calls ui.prompt, it expects the user to see the output in addition to getting the prompt. Other code such as histedit may call ui.pushbuffer, but its goal is not to interfere with prompts, so this commit adds an optional prompt flag to ui.write and has _readline include that argument. ui.promptchoice calls ui.prompt which calls ui._readline. This commit also updates hgext.color.write.
656 lines
23 KiB
Python
656 lines
23 KiB
Python
# color.py color output for Mercurial commands
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#
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# Copyright (C) 2007 Kevin Christen <kevin.christen@gmail.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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'''colorize output from some commands
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The color extension colorizes output from several Mercurial commands.
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For example, the diff command shows additions in green and deletions
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in red, while the status command shows modified files in magenta. Many
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other commands have analogous colors. It is possible to customize
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these colors.
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Effects
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-------
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Other effects in addition to color, like bold and underlined text, are
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also available. By default, the terminfo database is used to find the
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terminal codes used to change color and effect. If terminfo is not
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available, then effects are rendered with the ECMA-48 SGR control
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function (aka ANSI escape codes).
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The available effects in terminfo mode are 'blink', 'bold', 'dim',
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'inverse', 'invisible', 'italic', 'standout', and 'underline'; in
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ECMA-48 mode, the options are 'bold', 'inverse', 'italic', and
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'underline'. How each is rendered depends on the terminal emulator.
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Some may not be available for a given terminal type, and will be
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silently ignored.
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Labels
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------
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Text receives color effects depending on the labels that it has. Many
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default Mercurial commands emit labelled text. You can also define
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your own labels in templates using the label function, see :hg:`help
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templates`. A single portion of text may have more than one label. In
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that case, effects given to the last label will override any other
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effects. This includes the special "none" effect, which nullifies
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other effects.
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Labels are normally invisible. In order to see these labels and their
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position in the text, use the global --color=debug option. The same
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anchor text may be associated to multiple labels, e.g.
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[log.changeset changeset.secret|changeset: 22611:6f0a53c8f587]
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The following are the default effects for some default labels. Default
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effects may be overridden from your configuration file::
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[color]
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status.modified = blue bold underline red_background
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status.added = green bold
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status.removed = red bold blue_background
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status.deleted = cyan bold underline
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status.unknown = magenta bold underline
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status.ignored = black bold
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# 'none' turns off all effects
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status.clean = none
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status.copied = none
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qseries.applied = blue bold underline
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qseries.unapplied = black bold
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qseries.missing = red bold
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diff.diffline = bold
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diff.extended = cyan bold
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diff.file_a = red bold
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diff.file_b = green bold
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diff.hunk = magenta
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diff.deleted = red
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diff.inserted = green
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diff.changed = white
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diff.tab =
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diff.trailingwhitespace = bold red_background
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# Blank so it inherits the style of the surrounding label
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changeset.public =
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changeset.draft =
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changeset.secret =
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resolve.unresolved = red bold
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resolve.resolved = green bold
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bookmarks.active = green
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branches.active = none
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branches.closed = black bold
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branches.current = green
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branches.inactive = none
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tags.normal = green
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tags.local = black bold
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rebase.rebased = blue
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rebase.remaining = red bold
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shelve.age = cyan
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shelve.newest = green bold
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shelve.name = blue bold
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histedit.remaining = red bold
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Custom colors
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-------------
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Because there are only eight standard colors, this module allows you
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to define color names for other color slots which might be available
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for your terminal type, assuming terminfo mode. For instance::
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color.brightblue = 12
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color.pink = 207
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color.orange = 202
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to set 'brightblue' to color slot 12 (useful for 16 color terminals
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that have brighter colors defined in the upper eight) and, 'pink' and
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'orange' to colors in 256-color xterm's default color cube. These
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defined colors may then be used as any of the pre-defined eight,
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including appending '_background' to set the background to that color.
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Modes
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-----
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By default, the color extension will use ANSI mode (or win32 mode on
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Windows) if it detects a terminal. To override auto mode (to enable
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terminfo mode, for example), set the following configuration option::
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[color]
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mode = terminfo
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Any value other than 'ansi', 'win32', 'terminfo', or 'auto' will
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disable color.
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Note that on some systems, terminfo mode may cause problems when using
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color with the pager extension and less -R. less with the -R option
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will only display ECMA-48 color codes, and terminfo mode may sometimes
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emit codes that less doesn't understand. You can work around this by
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either using ansi mode (or auto mode), or by using less -r (which will
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pass through all terminal control codes, not just color control
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codes).
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On some systems (such as MSYS in Windows), the terminal may support
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a different color mode than the pager (activated via the "pager"
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extension). It is possible to define separate modes depending on whether
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the pager is active::
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[color]
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mode = auto
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pagermode = ansi
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If ``pagermode`` is not defined, the ``mode`` will be used.
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'''
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import os
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from mercurial import cmdutil, commands, dispatch, extensions, subrepo, util
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from mercurial import ui as uimod
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from mercurial.i18n import _
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cmdtable = {}
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command = cmdutil.command(cmdtable)
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# Note for extension authors: ONLY specify testedwith = 'internal' for
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# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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# be specifying the version(s) of Mercurial they are tested with, or
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# leave the attribute unspecified.
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testedwith = 'internal'
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# start and stop parameters for effects
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_effects = {'none': 0, 'black': 30, 'red': 31, 'green': 32, 'yellow': 33,
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'blue': 34, 'magenta': 35, 'cyan': 36, 'white': 37, 'bold': 1,
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'italic': 3, 'underline': 4, 'inverse': 7, 'dim': 2,
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'black_background': 40, 'red_background': 41,
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'green_background': 42, 'yellow_background': 43,
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'blue_background': 44, 'purple_background': 45,
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'cyan_background': 46, 'white_background': 47}
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def _terminfosetup(ui, mode):
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'''Initialize terminfo data and the terminal if we're in terminfo mode.'''
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global _terminfo_params
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# If we failed to load curses, we go ahead and return.
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if not _terminfo_params:
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return
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# Otherwise, see what the config file says.
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if mode not in ('auto', 'terminfo'):
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return
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_terminfo_params.update((key[6:], (False, int(val)))
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for key, val in ui.configitems('color')
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if key.startswith('color.'))
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try:
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curses.setupterm()
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except curses.error as e:
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_terminfo_params = {}
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return
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for key, (b, e) in _terminfo_params.items():
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if not b:
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continue
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if not curses.tigetstr(e):
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# Most terminals don't support dim, invis, etc, so don't be
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# noisy and use ui.debug().
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ui.debug("no terminfo entry for %s\n" % e)
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del _terminfo_params[key]
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if not curses.tigetstr('setaf') or not curses.tigetstr('setab'):
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# Only warn about missing terminfo entries if we explicitly asked for
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# terminfo mode.
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if mode == "terminfo":
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ui.warn(_("no terminfo entry for setab/setaf: reverting to "
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"ECMA-48 color\n"))
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_terminfo_params = {}
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def _modesetup(ui, coloropt):
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global _terminfo_params
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if coloropt == 'debug':
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return 'debug'
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auto = (coloropt == 'auto')
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always = not auto and util.parsebool(coloropt)
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if not always and not auto:
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return None
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formatted = always or (os.environ.get('TERM') != 'dumb' and ui.formatted())
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mode = ui.config('color', 'mode', 'auto')
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# If pager is active, color.pagermode overrides color.mode.
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if getattr(ui, 'pageractive', False):
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mode = ui.config('color', 'pagermode', mode)
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realmode = mode
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if mode == 'auto':
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if os.name == 'nt':
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term = os.environ.get('TERM')
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# TERM won't be defined in a vanilla cmd.exe environment.
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# UNIX-like environments on Windows such as Cygwin and MSYS will
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# set TERM. They appear to make a best effort attempt at setting it
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# to something appropriate. However, not all environments with TERM
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# defined support ANSI. Since "ansi" could result in terminal
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# gibberish, we error on the side of selecting "win32". However, if
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# w32effects is not defined, we almost certainly don't support
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# "win32", so don't even try.
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if (term and 'xterm' in term) or not w32effects:
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realmode = 'ansi'
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else:
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realmode = 'win32'
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else:
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realmode = 'ansi'
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def modewarn():
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# only warn if color.mode was explicitly set and we're in
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# an interactive terminal
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if mode == realmode and ui.interactive():
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ui.warn(_('warning: failed to set color mode to %s\n') % mode)
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if realmode == 'win32':
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_terminfo_params = {}
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if not w32effects:
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modewarn()
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return None
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_effects.update(w32effects)
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elif realmode == 'ansi':
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_terminfo_params = {}
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elif realmode == 'terminfo':
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_terminfosetup(ui, mode)
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if not _terminfo_params:
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## FIXME Shouldn't we return None in this case too?
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modewarn()
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realmode = 'ansi'
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else:
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return None
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if always or (auto and formatted):
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return realmode
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return None
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try:
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import curses
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# Mapping from effect name to terminfo attribute name or color number.
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# This will also force-load the curses module.
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_terminfo_params = {'none': (True, 'sgr0'),
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'standout': (True, 'smso'),
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'underline': (True, 'smul'),
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'reverse': (True, 'rev'),
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'inverse': (True, 'rev'),
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'blink': (True, 'blink'),
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'dim': (True, 'dim'),
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'bold': (True, 'bold'),
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'invisible': (True, 'invis'),
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'italic': (True, 'sitm'),
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'black': (False, curses.COLOR_BLACK),
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'red': (False, curses.COLOR_RED),
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'green': (False, curses.COLOR_GREEN),
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'yellow': (False, curses.COLOR_YELLOW),
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'blue': (False, curses.COLOR_BLUE),
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'magenta': (False, curses.COLOR_MAGENTA),
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'cyan': (False, curses.COLOR_CYAN),
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'white': (False, curses.COLOR_WHITE)}
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except ImportError:
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_terminfo_params = {}
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_styles = {'grep.match': 'red bold',
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'grep.linenumber': 'green',
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'grep.rev': 'green',
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'grep.change': 'green',
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'grep.sep': 'cyan',
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'grep.filename': 'magenta',
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'grep.user': 'magenta',
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'grep.date': 'magenta',
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'bookmarks.active': 'green',
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'branches.active': 'none',
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'branches.closed': 'black bold',
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'branches.current': 'green',
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'branches.inactive': 'none',
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'diff.changed': 'white',
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'diff.deleted': 'red',
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'diff.diffline': 'bold',
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'diff.extended': 'cyan bold',
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'diff.file_a': 'red bold',
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'diff.file_b': 'green bold',
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'diff.hunk': 'magenta',
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'diff.inserted': 'green',
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'diff.tab': '',
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'diff.trailingwhitespace': 'bold red_background',
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'changeset.public' : '',
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'changeset.draft' : '',
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'changeset.secret' : '',
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'diffstat.deleted': 'red',
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'diffstat.inserted': 'green',
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'histedit.remaining': 'red bold',
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'ui.prompt': 'yellow',
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'log.changeset': 'yellow',
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'patchbomb.finalsummary': '',
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'patchbomb.from': 'magenta',
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'patchbomb.to': 'cyan',
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'patchbomb.subject': 'green',
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'patchbomb.diffstats': '',
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'rebase.rebased': 'blue',
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'rebase.remaining': 'red bold',
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'resolve.resolved': 'green bold',
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'resolve.unresolved': 'red bold',
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'shelve.age': 'cyan',
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'shelve.newest': 'green bold',
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'shelve.name': 'blue bold',
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'status.added': 'green bold',
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'status.clean': 'none',
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'status.copied': 'none',
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'status.deleted': 'cyan bold underline',
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'status.ignored': 'black bold',
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'status.modified': 'blue bold',
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'status.removed': 'red bold',
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'status.unknown': 'magenta bold underline',
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'tags.normal': 'green',
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'tags.local': 'black bold'}
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def _effect_str(effect):
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'''Helper function for render_effects().'''
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bg = False
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if effect.endswith('_background'):
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bg = True
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effect = effect[:-11]
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attr, val = _terminfo_params[effect]
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if attr:
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return curses.tigetstr(val)
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elif bg:
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return curses.tparm(curses.tigetstr('setab'), val)
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else:
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return curses.tparm(curses.tigetstr('setaf'), val)
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def render_effects(text, effects):
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'Wrap text in commands to turn on each effect.'
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if not text:
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return text
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if not _terminfo_params:
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start = [str(_effects[e]) for e in ['none'] + effects.split()]
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start = '\033[' + ';'.join(start) + 'm'
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stop = '\033[' + str(_effects['none']) + 'm'
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else:
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start = ''.join(_effect_str(effect)
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for effect in ['none'] + effects.split())
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stop = _effect_str('none')
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return ''.join([start, text, stop])
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def extstyles():
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for name, ext in extensions.extensions():
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_styles.update(getattr(ext, 'colortable', {}))
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def valideffect(effect):
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'Determine if the effect is valid or not.'
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good = False
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if not _terminfo_params and effect in _effects:
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good = True
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elif effect in _terminfo_params or effect[:-11] in _terminfo_params:
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good = True
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return good
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def configstyles(ui):
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for status, cfgeffects in ui.configitems('color'):
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if '.' not in status or status.startswith('color.'):
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continue
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cfgeffects = ui.configlist('color', status)
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if cfgeffects:
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good = []
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for e in cfgeffects:
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if valideffect(e):
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good.append(e)
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else:
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ui.warn(_("ignoring unknown color/effect %r "
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"(configured in color.%s)\n")
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% (e, status))
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_styles[status] = ' '.join(good)
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class colorui(uimod.ui):
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_colormode = 'ansi'
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def write(self, *args, **opts):
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if self._colormode is None:
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return super(colorui, self).write(*args, **opts)
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label = opts.get('label', '')
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if self._buffers and not opts.get('prompt', False):
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if self._bufferapplylabels:
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self._buffers[-1].extend(self.label(a, label) for a in args)
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else:
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self._buffers[-1].extend(args)
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elif self._colormode == 'win32':
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for a in args:
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win32print(a, super(colorui, self).write, **opts)
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else:
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return super(colorui, self).write(
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*[self.label(a, label) for a in args], **opts)
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def write_err(self, *args, **opts):
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if self._colormode is None:
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return super(colorui, self).write_err(*args, **opts)
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label = opts.get('label', '')
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if self._bufferstates and self._bufferstates[-1][0]:
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return self.write(*args, **opts)
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if self._colormode == 'win32':
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for a in args:
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win32print(a, super(colorui, self).write_err, **opts)
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else:
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return super(colorui, self).write_err(
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*[self.label(a, label) for a in args], **opts)
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def showlabel(self, msg, label):
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if label and msg:
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if msg[-1] == '\n':
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return "[%s|%s]\n" % (label, msg[:-1])
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else:
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return "[%s|%s]" % (label, msg)
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else:
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return msg
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def label(self, msg, label):
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if self._colormode is None:
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return super(colorui, self).label(msg, label)
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if self._colormode == 'debug':
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return self.showlabel(msg, label)
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effects = []
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for l in label.split():
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s = _styles.get(l, '')
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if s:
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effects.append(s)
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elif valideffect(l):
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effects.append(l)
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effects = ' '.join(effects)
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if effects:
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return '\n'.join([render_effects(s, effects)
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for s in msg.split('\n')])
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return msg
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def uisetup(ui):
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if ui.plain():
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return
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if not isinstance(ui, colorui):
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colorui.__bases__ = (ui.__class__,)
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ui.__class__ = colorui
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def colorcmd(orig, ui_, opts, cmd, cmdfunc):
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mode = _modesetup(ui_, opts['color'])
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colorui._colormode = mode
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if mode and mode != 'debug':
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extstyles()
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configstyles(ui_)
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return orig(ui_, opts, cmd, cmdfunc)
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def colorgit(orig, gitsub, commands, env=None, stream=False, cwd=None):
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if gitsub.ui._colormode and len(commands) and commands[0] == "diff":
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# insert the argument in the front,
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# the end of git diff arguments is used for paths
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|
commands.insert(1, '--color')
|
|
return orig(gitsub, commands, env, stream, cwd)
|
|
extensions.wrapfunction(dispatch, '_runcommand', colorcmd)
|
|
extensions.wrapfunction(subrepo.gitsubrepo, '_gitnodir', colorgit)
|
|
|
|
def extsetup(ui):
|
|
commands.globalopts.append(
|
|
('', 'color', 'auto',
|
|
# i18n: 'always', 'auto', 'never', and 'debug' are keywords
|
|
# and should not be translated
|
|
_("when to colorize (boolean, always, auto, never, or debug)"),
|
|
_('TYPE')))
|
|
|
|
@command('debugcolor', [], 'hg debugcolor')
|
|
def debugcolor(ui, repo, **opts):
|
|
global _styles
|
|
_styles = {}
|
|
for effect in _effects.keys():
|
|
_styles[effect] = effect
|
|
ui.write(('color mode: %s\n') % ui._colormode)
|
|
ui.write(_('available colors:\n'))
|
|
for label, colors in _styles.items():
|
|
ui.write(('%s\n') % colors, label=label)
|
|
|
|
if os.name != 'nt':
|
|
w32effects = None
|
|
else:
|
|
import re, ctypes
|
|
|
|
_kernel32 = ctypes.windll.kernel32
|
|
|
|
_WORD = ctypes.c_ushort
|
|
|
|
_INVALID_HANDLE_VALUE = -1
|
|
|
|
class _COORD(ctypes.Structure):
|
|
_fields_ = [('X', ctypes.c_short),
|
|
('Y', ctypes.c_short)]
|
|
|
|
class _SMALL_RECT(ctypes.Structure):
|
|
_fields_ = [('Left', ctypes.c_short),
|
|
('Top', ctypes.c_short),
|
|
('Right', ctypes.c_short),
|
|
('Bottom', ctypes.c_short)]
|
|
|
|
class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
|
|
_fields_ = [('dwSize', _COORD),
|
|
('dwCursorPosition', _COORD),
|
|
('wAttributes', _WORD),
|
|
('srWindow', _SMALL_RECT),
|
|
('dwMaximumWindowSize', _COORD)]
|
|
|
|
_STD_OUTPUT_HANDLE = 0xfffffff5L # (DWORD)-11
|
|
_STD_ERROR_HANDLE = 0xfffffff4L # (DWORD)-12
|
|
|
|
_FOREGROUND_BLUE = 0x0001
|
|
_FOREGROUND_GREEN = 0x0002
|
|
_FOREGROUND_RED = 0x0004
|
|
_FOREGROUND_INTENSITY = 0x0008
|
|
|
|
_BACKGROUND_BLUE = 0x0010
|
|
_BACKGROUND_GREEN = 0x0020
|
|
_BACKGROUND_RED = 0x0040
|
|
_BACKGROUND_INTENSITY = 0x0080
|
|
|
|
_COMMON_LVB_REVERSE_VIDEO = 0x4000
|
|
_COMMON_LVB_UNDERSCORE = 0x8000
|
|
|
|
# http://msdn.microsoft.com/en-us/library/ms682088%28VS.85%29.aspx
|
|
w32effects = {
|
|
'none': -1,
|
|
'black': 0,
|
|
'red': _FOREGROUND_RED,
|
|
'green': _FOREGROUND_GREEN,
|
|
'yellow': _FOREGROUND_RED | _FOREGROUND_GREEN,
|
|
'blue': _FOREGROUND_BLUE,
|
|
'magenta': _FOREGROUND_BLUE | _FOREGROUND_RED,
|
|
'cyan': _FOREGROUND_BLUE | _FOREGROUND_GREEN,
|
|
'white': _FOREGROUND_RED | _FOREGROUND_GREEN | _FOREGROUND_BLUE,
|
|
'bold': _FOREGROUND_INTENSITY,
|
|
'black_background': 0x100, # unused value > 0x0f
|
|
'red_background': _BACKGROUND_RED,
|
|
'green_background': _BACKGROUND_GREEN,
|
|
'yellow_background': _BACKGROUND_RED | _BACKGROUND_GREEN,
|
|
'blue_background': _BACKGROUND_BLUE,
|
|
'purple_background': _BACKGROUND_BLUE | _BACKGROUND_RED,
|
|
'cyan_background': _BACKGROUND_BLUE | _BACKGROUND_GREEN,
|
|
'white_background': (_BACKGROUND_RED | _BACKGROUND_GREEN |
|
|
_BACKGROUND_BLUE),
|
|
'bold_background': _BACKGROUND_INTENSITY,
|
|
'underline': _COMMON_LVB_UNDERSCORE, # double-byte charsets only
|
|
'inverse': _COMMON_LVB_REVERSE_VIDEO, # double-byte charsets only
|
|
}
|
|
|
|
passthrough = set([_FOREGROUND_INTENSITY,
|
|
_BACKGROUND_INTENSITY,
|
|
_COMMON_LVB_UNDERSCORE,
|
|
_COMMON_LVB_REVERSE_VIDEO])
|
|
|
|
stdout = _kernel32.GetStdHandle(
|
|
_STD_OUTPUT_HANDLE) # don't close the handle returned
|
|
if stdout is None or stdout == _INVALID_HANDLE_VALUE:
|
|
w32effects = None
|
|
else:
|
|
csbi = _CONSOLE_SCREEN_BUFFER_INFO()
|
|
if not _kernel32.GetConsoleScreenBufferInfo(
|
|
stdout, ctypes.byref(csbi)):
|
|
# stdout may not support GetConsoleScreenBufferInfo()
|
|
# when called from subprocess or redirected
|
|
w32effects = None
|
|
else:
|
|
origattr = csbi.wAttributes
|
|
ansire = re.compile('\033\[([^m]*)m([^\033]*)(.*)',
|
|
re.MULTILINE | re.DOTALL)
|
|
|
|
def win32print(text, orig, **opts):
|
|
label = opts.get('label', '')
|
|
attr = origattr
|
|
|
|
def mapcolor(val, attr):
|
|
if val == -1:
|
|
return origattr
|
|
elif val in passthrough:
|
|
return attr | val
|
|
elif val > 0x0f:
|
|
return (val & 0x70) | (attr & 0x8f)
|
|
else:
|
|
return (val & 0x07) | (attr & 0xf8)
|
|
|
|
# determine console attributes based on labels
|
|
for l in label.split():
|
|
style = _styles.get(l, '')
|
|
for effect in style.split():
|
|
try:
|
|
attr = mapcolor(w32effects[effect], attr)
|
|
except KeyError:
|
|
# w32effects could not have certain attributes so we skip
|
|
# them if not found
|
|
pass
|
|
# hack to ensure regexp finds data
|
|
if not text.startswith('\033['):
|
|
text = '\033[m' + text
|
|
|
|
# Look for ANSI-like codes embedded in text
|
|
m = re.match(ansire, text)
|
|
|
|
try:
|
|
while m:
|
|
for sattr in m.group(1).split(';'):
|
|
if sattr:
|
|
attr = mapcolor(int(sattr), attr)
|
|
_kernel32.SetConsoleTextAttribute(stdout, attr)
|
|
orig(m.group(2), **opts)
|
|
m = re.match(ansire, m.group(3))
|
|
finally:
|
|
# Explicitly reset original attributes
|
|
_kernel32.SetConsoleTextAttribute(stdout, origattr)
|