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# utility for color output for Mercurial commands
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#
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# Copyright (C) 2007 Kevin Christen <kevin.christen@gmail.com> and other
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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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from __future__ import absolute_import
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import re
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from .i18n import _
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from . import (
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encoding,
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pycompat,
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util
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)
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try:
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import curses
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# Mapping from effect name to terminfo attribute name (or raw code) or
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# color number. This will also force-load the curses module.
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_baseterminfoparams = {
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'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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}
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except ImportError:
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curses = None
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_baseterminfoparams = {}
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# start and stop parameters for effects
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_effects = {
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'none': 0,
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'black': 30,
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'red': 31,
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'green': 32,
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'yellow': 33,
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'blue': 34,
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'magenta': 35,
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'cyan': 36,
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'white': 37,
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'bold': 1,
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'italic': 3,
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'underline': 4,
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'inverse': 7,
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'dim': 2,
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'black_background': 40,
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'red_background': 41,
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'green_background': 42,
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'yellow_background': 43,
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'blue_background': 44,
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'purple_background': 45,
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'cyan_background': 46,
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'white_background': 47,
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}
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_defaultstyles = {
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'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.deleted.highlight': 'red bold underline',
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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.inserted.highlight': 'green bold underline',
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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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'formatvariant.name.mismatchconfig': 'red',
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'formatvariant.name.mismatchdefault': 'yellow',
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'formatvariant.name.uptodate': 'green',
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'formatvariant.repo.mismatchconfig': 'red',
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'formatvariant.repo.mismatchdefault': 'yellow',
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'formatvariant.repo.uptodate': 'green',
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'formatvariant.config.special': 'yellow',
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'formatvariant.config.default': 'green',
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'formatvariant.default': '',
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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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}
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def loadcolortable(ui, extname, colortable):
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_defaultstyles.update(colortable)
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def _terminfosetup(ui, mode, formatted):
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'''Initialize terminfo data and the terminal if we're in terminfo mode.'''
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# If we failed to load curses, we go ahead and return.
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if curses is None:
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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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ui._terminfoparams.update(_baseterminfoparams)
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for key, val in ui.configitems('color'):
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if key.startswith('color.'):
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newval = (False, int(val), '')
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ui._terminfoparams[key[6:]] = newval
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elif key.startswith('terminfo.'):
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newval = (True, '', val.replace('\\E', '\x1b'))
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ui._terminfoparams[key[9:]] = newval
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try:
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curses.setupterm()
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except curses.error as e:
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ui._terminfoparams.clear()
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return
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for key, (b, e, c) in ui._terminfoparams.items():
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if not b:
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continue
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if not c and 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 ui._terminfoparams[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 and we're in a formatted terminal.
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if mode == "terminfo" and formatted:
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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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ui._terminfoparams.clear()
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def setup(ui):
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"""configure color on a ui
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That function both set the colormode for the ui object and read
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the configuration looking for custom colors and effect definitions."""
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mode = _modesetup(ui)
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ui._colormode = mode
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if mode and mode != 'debug':
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configstyles(ui)
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def _modesetup(ui):
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if ui.plain('color'):
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return None
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config = ui.config('ui', 'color')
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if config == 'debug':
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return 'debug'
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auto = (config == 'auto')
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always = False
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if not auto and util.parsebool(config):
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# We want the config to behave like a boolean, "on" is actually auto,
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# but "always" value is treated as a special case to reduce confusion.
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if ui.configsource('ui', 'color') == '--color' or config == 'always':
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always = True
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else:
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auto = True
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if not always and not auto:
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return None
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formatted = (always or (encoding.environ.get('TERM') != 'dumb'
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and ui.formatted()))
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mode = ui.config('color', 'mode')
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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 pycompat.iswindows:
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from . import win32
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term = encoding.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.
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ansienviron = term and 'xterm' in term
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if mode == 'auto':
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# Since "ansi" could result in terminal gibberish, we error on the
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# side of selecting "win32". However, if w32effects is not defined,
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# we almost certainly don't support "win32", so don't even try.
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# w32ffects is not populated when stdout is redirected, so checking
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# it first avoids win32 calls in a state known to error out.
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if ansienviron or not w32effects or win32.enablevtmode():
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realmode = 'ansi'
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else:
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realmode = 'win32'
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# An empty w32effects is a clue that stdout is redirected, and thus
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# cannot enable VT mode.
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elif mode == 'ansi' and w32effects and not ansienviron:
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win32.enablevtmode()
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elif mode == 'auto':
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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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# a formatted terminal
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if mode == realmode and formatted:
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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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ui._terminfoparams.clear()
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if not w32effects:
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modewarn()
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return None
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elif realmode == 'ansi':
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ui._terminfoparams.clear()
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elif realmode == 'terminfo':
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_terminfosetup(ui, mode, formatted)
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if not ui._terminfoparams:
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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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def configstyles(ui):
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ui._styles.update(_defaultstyles)
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for status, cfgeffects in ui.configitems('color'):
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if '.' not in status or status.startswith(('color.', 'terminfo.')):
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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(ui, 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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ui._styles[status] = ' '.join(good)
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def _activeeffects(ui):
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'''Return the effects map for the color mode set on the ui.'''
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if ui._colormode == 'win32':
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return w32effects
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elif ui._colormode is not None:
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return _effects
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return {}
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def valideffect(ui, effect):
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'Determine if the effect is valid or not.'
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return ((not ui._terminfoparams and effect in _activeeffects(ui))
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or (effect in ui._terminfoparams
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or effect[:-11] in ui._terminfoparams))
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def _effect_str(ui, 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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try:
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attr, val, termcode = ui._terminfoparams[effect]
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except KeyError:
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return ''
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if attr:
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if termcode:
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return termcode
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else:
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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 _mergeeffects(text, start, stop):
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"""Insert start sequence at every occurrence of stop sequence
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>>> s = _mergeeffects(b'cyan', b'[C]', b'|')
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>>> s = _mergeeffects(s + b'yellow', b'[Y]', b'|')
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>>> s = _mergeeffects(b'ma' + s + b'genta', b'[M]', b'|')
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>>> s = _mergeeffects(b'red' + s, b'[R]', b'|')
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>>> s
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'[R]red[M]ma[Y][C]cyan|[R][M][Y]yellow|[R][M]genta|'
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"""
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parts = []
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for t in text.split(stop):
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if not t:
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continue
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parts.extend([start, t, stop])
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return ''.join(parts)
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def _render_effects(ui, 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 ui._terminfoparams:
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start = ''.join(_effect_str(ui, effect)
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for effect in ['none'] + effects.split())
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stop = _effect_str(ui, 'none')
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else:
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activeeffects = _activeeffects(ui)
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start = [pycompat.bytestr(activeeffects[e])
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for e in ['none'] + effects.split()]
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start = '\033[' + ';'.join(start) + 'm'
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stop = '\033[' + pycompat.bytestr(activeeffects['none']) + 'm'
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return _mergeeffects(text, start, stop)
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_ansieffectre = re.compile(br'\x1b\[[0-9;]*m')
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def stripeffects(text):
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"""Strip ANSI control codes which could be inserted by colorlabel()"""
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return _ansieffectre.sub('', text)
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def colorlabel(ui, msg, label):
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"""add color control code according to the mode"""
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if ui._colormode == 'debug':
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if label and msg:
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if msg.endswith('\n'):
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msg = "[%s|%s]\n" % (label, msg[:-1])
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else:
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msg = "[%s|%s]" % (label, msg)
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elif ui._colormode is not None:
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effects = []
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for l in label.split():
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s = ui._styles.get(l, '')
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if s:
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effects.append(s)
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elif valideffect(ui, 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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msg = '\n'.join([_render_effects(ui, line, effects)
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for line in msg.split('\n')])
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return msg
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w32effects = None
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if pycompat.iswindows:
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import ctypes
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_kernel32 = ctypes.windll.kernel32
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_WORD = ctypes.c_ushort
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_INVALID_HANDLE_VALUE = -1
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class _COORD(ctypes.Structure):
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_fields_ = [('X', ctypes.c_short),
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('Y', ctypes.c_short)]
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class _SMALL_RECT(ctypes.Structure):
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_fields_ = [('Left', ctypes.c_short),
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('Top', ctypes.c_short),
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('Right', ctypes.c_short),
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('Bottom', ctypes.c_short)]
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class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
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_fields_ = [('dwSize', _COORD),
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('dwCursorPosition', _COORD),
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('wAttributes', _WORD),
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('srWindow', _SMALL_RECT),
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('dwMaximumWindowSize', _COORD)]
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_STD_OUTPUT_HANDLE = 0xfffffff5 # (DWORD)-11
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_STD_ERROR_HANDLE = 0xfffffff4 # (DWORD)-12
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_FOREGROUND_BLUE = 0x0001
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_FOREGROUND_GREEN = 0x0002
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|
|
_FOREGROUND_RED = 0x0004
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|
|
_FOREGROUND_INTENSITY = 0x0008
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|
|
|
|
|
_BACKGROUND_BLUE = 0x0010
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|
|
_BACKGROUND_GREEN = 0x0020
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|
|
_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,
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|
|
'black': 0,
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|
|
'red': _FOREGROUND_RED,
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|
|
'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 = {_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(ui, writefunc, *msgs, **opts):
|
|
|
for text in msgs:
|
|
|
_win32print(ui, text, writefunc, **opts)
|
|
|
|
|
|
def _win32print(ui, text, writefunc, **opts):
|
|
|
label = opts.get(r'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 = ui._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)
|
|
|
ui.flush()
|
|
|
_kernel32.SetConsoleTextAttribute(stdout, attr)
|
|
|
writefunc(m.group(2), **opts)
|
|
|
m = re.match(ansire, m.group(3))
|
|
|
finally:
|
|
|
# Explicitly reset original attributes
|
|
|
ui.flush()
|
|
|
_kernel32.SetConsoleTextAttribute(stdout, origattr)
|
|
|
|
