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128 lines
4.5 KiB
128 lines
4.5 KiB
4 years ago
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"""
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pygments.formatters.terminal
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Formatter for terminal output with ANSI sequences.
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:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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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.console import ansiformat
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from pygments.util import get_choice_opt
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__all__ = ['TerminalFormatter']
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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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TERMINAL_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', 'brightmagenta'),
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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.Prompt: ('**', '**'),
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Generic.Error: ('brightred', 'brightred'),
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Error: ('_brightred_', '_brightred_'),
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}
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class TerminalFormatter(Formatter):
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r"""
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Format tokens with ANSI color sequences, for output in a text console.
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Color sequences are terminated at newlines, so that paging the output
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works correctly.
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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 on the terminal output as well
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(default: ``False`` = no line numbers).
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"""
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name = 'Terminal'
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aliases = ['terminal', 'console']
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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 TERMINAL_COLORS
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self.linenos = options.get('linenos', False)
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self._lineno = 0
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def format(self, tokensource, outfile):
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return Formatter.format(self, tokensource, outfile)
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def _write_lineno(self, outfile):
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self._lineno += 1
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outfile.write("%s%04d: " % (self._lineno != 1 and '\n' or '', self._lineno))
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def _get_color(self, ttype):
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# self.colorscheme is a dict containing usually generic types, so we
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# have to walk the tree of dots. The base Token type must be a key,
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# even if it's empty string, as in the default above.
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colors = self.colorscheme.get(ttype)
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while colors is None:
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ttype = ttype.parent
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colors = self.colorscheme.get(ttype)
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return colors[self.darkbg]
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def format_unencoded(self, tokensource, outfile):
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if self.linenos:
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self._write_lineno(outfile)
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for ttype, value in tokensource:
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color = self._get_color(ttype)
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for line in value.splitlines(True):
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if color:
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outfile.write(ansiformat(color, line.rstrip('\n')))
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else:
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outfile.write(line.rstrip('\n'))
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if line.endswith('\n'):
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if self.linenos:
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self._write_lineno(outfile)
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else:
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outfile.write('\n')
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if self.linenos:
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outfile.write("\n")
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