182 lines
5.7 KiB
Python
182 lines
5.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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pygments.formatters.irc
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~~~~~~~~~~~~~~~~~~~~~~~
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Formatter for IRC output
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:copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import sys
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from pygments.formatter import Formatter
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from pygments.token import Keyword, Name, Comment, String, Error, \
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Number, Operator, Generic, Token, Whitespace
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from pygments.util import get_choice_opt
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__all__ = ['IRCFormatter']
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#: Map token types to a tuple of color values for light and dark
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#: backgrounds.
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IRC_COLORS = {
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Token: ('', ''),
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Whitespace: ('gray', 'brightblack'),
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Comment: ('gray', 'brightblack'),
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Comment.Preproc: ('cyan', 'brightcyan'),
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Keyword: ('blue', 'brightblue'),
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Keyword.Type: ('cyan', 'brightcyan'),
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Operator.Word: ('magenta', 'brightcyan'),
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Name.Builtin: ('cyan', 'brightcyan'),
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Name.Function: ('green', 'brightgreen'),
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Name.Namespace: ('_cyan_', '_brightcyan_'),
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Name.Class: ('_green_', '_brightgreen_'),
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Name.Exception: ('cyan', 'brightcyan'),
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Name.Decorator: ('brightblack', 'gray'),
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Name.Variable: ('red', 'brightred'),
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Name.Constant: ('red', 'brightred'),
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Name.Attribute: ('cyan', 'brightcyan'),
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Name.Tag: ('brightblue', 'brightblue'),
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String: ('yellow', 'yellow'),
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Number: ('blue', 'brightblue'),
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Generic.Deleted: ('brightred', 'brightred'),
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Generic.Inserted: ('green', 'brightgreen'),
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Generic.Heading: ('**', '**'),
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Generic.Subheading: ('*magenta*', '*brightmagenta*'),
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Generic.Error: ('brightred', 'brightred'),
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Error: ('_brightred_', '_brightred_'),
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}
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IRC_COLOR_MAP = {
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'white': 0,
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'black': 1,
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'blue': 2,
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'brightgreen': 3,
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'brightred': 4,
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'yellow': 5,
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'magenta': 6,
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'orange': 7,
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'green': 7, #compat w/ ansi
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'brightyellow': 8,
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'lightgreen': 9,
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'brightcyan': 9, # compat w/ ansi
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'cyan': 10,
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'lightblue': 11,
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'red': 11, # compat w/ ansi
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'brightblue': 12,
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'brightmagenta': 13,
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'brightblack': 14,
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'gray': 15,
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}
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def ircformat(color, text):
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if len(color) < 1:
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return text
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add = sub = ''
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if '_' in color: # italic
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add += '\x1D'
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sub = '\x1D' + sub
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color = color.strip('_')
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if '*' in color: # bold
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add += '\x02'
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sub = '\x02' + sub
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color = color.strip('*')
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# underline (\x1F) not supported
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# backgrounds (\x03FF,BB) not supported
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if len(color) > 0: # actual color - may have issues with ircformat("red", "blah")+"10" type stuff
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add += '\x03' + str(IRC_COLOR_MAP[color]).zfill(2)
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sub = '\x03' + sub
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return add + text + sub
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return '<'+add+'>'+text+'</'+sub+'>'
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class IRCFormatter(Formatter):
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r"""
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Format tokens with IRC color sequences
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The `get_style_defs()` method doesn't do anything special since there is
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no support for common styles.
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Options accepted:
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`bg`
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Set to ``"light"`` or ``"dark"`` depending on the terminal's background
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(default: ``"light"``).
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`colorscheme`
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A dictionary mapping token types to (lightbg, darkbg) color names or
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``None`` (default: ``None`` = use builtin colorscheme).
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`linenos`
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Set to ``True`` to have line numbers in the output as well
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(default: ``False`` = no line numbers).
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"""
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name = 'IRC'
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aliases = ['irc', 'IRC']
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filenames = []
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def __init__(self, **options):
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Formatter.__init__(self, **options)
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self.darkbg = get_choice_opt(options, 'bg',
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['light', 'dark'], 'light') == 'dark'
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self.colorscheme = options.get('colorscheme', None) or IRC_COLORS
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self.linenos = options.get('linenos', False)
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self._lineno = 0
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def _write_lineno(self, outfile):
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self._lineno += 1
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outfile.write("\n%04d: " % self._lineno)
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def _format_unencoded_with_lineno(self, tokensource, outfile):
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self._write_lineno(outfile)
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for ttype, value in tokensource:
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if value.endswith("\n"):
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self._write_lineno(outfile)
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value = value[:-1]
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color = self.colorscheme.get(ttype)
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while color is None:
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ttype = ttype[:-1]
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color = self.colorscheme.get(ttype)
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if color:
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color = color[self.darkbg]
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spl = value.split('\n')
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for line in spl[:-1]:
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self._write_lineno(outfile)
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if line:
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outfile.write(ircformat(color, line[:-1]))
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if spl[-1]:
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outfile.write(ircformat(color, spl[-1]))
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else:
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outfile.write(value)
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outfile.write("\n")
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def format_unencoded(self, tokensource, outfile):
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if self.linenos:
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self._format_unencoded_with_lineno(tokensource, outfile)
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return
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for ttype, value in tokensource:
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color = self.colorscheme.get(ttype)
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while color is None:
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ttype = ttype[:-1]
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color = self.colorscheme.get(ttype)
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if color:
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color = color[self.darkbg]
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spl = value.split('\n')
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for line in spl[:-1]:
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if line:
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outfile.write(ircformat(color, line))
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outfile.write('\n')
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if spl[-1]:
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outfile.write(ircformat(color, spl[-1]))
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else:
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outfile.write(value)
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