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"""
pygments.formatters.terminal
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Formatter for terminal output with ANSI sequences.
:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pip._vendor.pygments.formatter import Formatter
from pip._vendor.pygments.token import Keyword, Name, Comment, String, Error, \
Number, Operator, Generic, Token, Whitespace
from pip._vendor.pygments.console import ansiformat
from pip._vendor.pygments.util import get_choice_opt
__all__ = ['TerminalFormatter']
#: Map token types to a tuple of color values for light and dark
#: backgrounds.
TERMINAL_COLORS = {
Token: ('', ''),
Whitespace: ('gray', 'brightblack'),
Comment: ('gray', 'brightblack'),
Comment.Preproc: ('cyan', 'brightcyan'),
Keyword: ('blue', 'brightblue'),
Keyword.Type: ('cyan', 'brightcyan'),
Operator.Word: ('magenta', 'brightmagenta'),
Name.Builtin: ('cyan', 'brightcyan'),
Name.Function: ('green', 'brightgreen'),
Name.Namespace: ('_cyan_', '_brightcyan_'),
Name.Class: ('_green_', '_brightgreen_'),
Name.Exception: ('cyan', 'brightcyan'),
Name.Decorator: ('brightblack', 'gray'),
Name.Variable: ('red', 'brightred'),
Name.Constant: ('red', 'brightred'),
Name.Attribute: ('cyan', 'brightcyan'),
Name.Tag: ('brightblue', 'brightblue'),
String: ('yellow', 'yellow'),
Number: ('blue', 'brightblue'),
Generic.Deleted: ('brightred', 'brightred'),
Generic.Inserted: ('green', 'brightgreen'),
Generic.Heading: ('**', '**'),
Generic.Subheading: ('*magenta*', '*brightmagenta*'),
Generic.Prompt: ('**', '**'),
Generic.Error: ('brightred', 'brightred'),
Error: ('_brightred_', '_brightred_'),
}
class TerminalFormatter(Formatter):
r"""
Format tokens with ANSI color sequences, for output in a text console.
Color sequences are terminated at newlines, so that paging the output
works correctly.
The `get_style_defs()` method doesn't do anything special since there is
no support for common styles.
Options accepted:
`bg`
Set to ``"light"`` or ``"dark"`` depending on the terminal's background
(default: ``"light"``).
`colorscheme`
A dictionary mapping token types to (lightbg, darkbg) color names or
``None`` (default: ``None`` = use builtin colorscheme).
`linenos`
Set to ``True`` to have line numbers on the terminal output as well
(default: ``False`` = no line numbers).
"""
name = 'Terminal'
aliases = ['terminal', 'console']
filenames = []
def __init__(self, **options):
Formatter.__init__(self, **options)
self.darkbg = get_choice_opt(options, 'bg',
['light', 'dark'], 'light') == 'dark'
self.colorscheme = options.get('colorscheme', None) or TERMINAL_COLORS
self.linenos = options.get('linenos', False)
self._lineno = 0
def format(self, tokensource, outfile):
return Formatter.format(self, tokensource, outfile)
def _write_lineno(self, outfile):
self._lineno += 1
outfile.write("%s%04d: " % (self._lineno != 1 and '\n' or '', self._lineno))
def _get_color(self, ttype):
# self.colorscheme is a dict containing usually generic types, so we
# have to walk the tree of dots. The base Token type must be a key,
# even if it's empty string, as in the default above.
colors = self.colorscheme.get(ttype)
while colors is None:
ttype = ttype.parent
colors = self.colorscheme.get(ttype)
return colors[self.darkbg]
def format_unencoded(self, tokensource, outfile):
if self.linenos:
self._write_lineno(outfile)
for ttype, value in tokensource:
color = self._get_color(ttype)
for line in value.splitlines(True):
if color:
outfile.write(ansiformat(color, line.rstrip('\n')))
else:
outfile.write(line.rstrip('\n'))
if line.endswith('\n'):
if self.linenos:
self._write_lineno(outfile)
else:
outfile.write('\n')
if self.linenos:
outfile.write("\n")