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161 lines
4.9 KiB
Python
161 lines
4.9 KiB
Python
"""
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pygments.formatters.other
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Other formatters: NullFormatter, RawTokenFormatter.
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:copyright: Copyright 2006-2025 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.util import get_choice_opt
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from pygments.token import Token
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from pygments.console import colorize
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__all__ = ['NullFormatter', 'RawTokenFormatter', 'TestcaseFormatter']
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class NullFormatter(Formatter):
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"""
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Output the text unchanged without any formatting.
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"""
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name = 'Text only'
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aliases = ['text', 'null']
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filenames = ['*.txt']
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def format(self, tokensource, outfile):
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enc = self.encoding
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for ttype, value in tokensource:
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if enc:
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outfile.write(value.encode(enc))
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else:
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outfile.write(value)
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class RawTokenFormatter(Formatter):
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r"""
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Format tokens as a raw representation for storing token streams.
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The format is ``tokentype<TAB>repr(tokenstring)\n``. The output can later
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be converted to a token stream with the `RawTokenLexer`, described in the
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:doc:`lexer list <lexers>`.
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Only two options are accepted:
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`compress`
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If set to ``'gz'`` or ``'bz2'``, compress the output with the given
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compression algorithm after encoding (default: ``''``).
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`error_color`
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If set to a color name, highlight error tokens using that color. If
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set but with no value, defaults to ``'red'``.
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.. versionadded:: 0.11
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"""
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name = 'Raw tokens'
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aliases = ['raw', 'tokens']
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filenames = ['*.raw']
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unicodeoutput = False
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def __init__(self, **options):
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Formatter.__init__(self, **options)
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# We ignore self.encoding if it is set, since it gets set for lexer
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# and formatter if given with -Oencoding on the command line.
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# The RawTokenFormatter outputs only ASCII. Override here.
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self.encoding = 'ascii' # let pygments.format() do the right thing
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self.compress = get_choice_opt(options, 'compress',
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['', 'none', 'gz', 'bz2'], '')
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self.error_color = options.get('error_color', None)
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if self.error_color is True:
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self.error_color = 'red'
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if self.error_color is not None:
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try:
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colorize(self.error_color, '')
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except KeyError:
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raise ValueError(f"Invalid color {self.error_color!r} specified")
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def format(self, tokensource, outfile):
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try:
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outfile.write(b'')
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except TypeError:
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raise TypeError('The raw tokens formatter needs a binary '
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'output file')
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if self.compress == 'gz':
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import gzip
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outfile = gzip.GzipFile('', 'wb', 9, outfile)
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write = outfile.write
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flush = outfile.close
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elif self.compress == 'bz2':
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import bz2
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compressor = bz2.BZ2Compressor(9)
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def write(text):
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outfile.write(compressor.compress(text))
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def flush():
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outfile.write(compressor.flush())
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outfile.flush()
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else:
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write = outfile.write
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flush = outfile.flush
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if self.error_color:
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for ttype, value in tokensource:
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line = b"%r\t%r\n" % (ttype, value)
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if ttype is Token.Error:
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write(colorize(self.error_color, line))
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else:
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write(line)
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else:
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for ttype, value in tokensource:
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write(b"%r\t%r\n" % (ttype, value))
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flush()
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TESTCASE_BEFORE = '''\
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def testNeedsName(lexer):
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fragment = %r
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tokens = [
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'''
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TESTCASE_AFTER = '''\
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]
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assert list(lexer.get_tokens(fragment)) == tokens
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'''
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class TestcaseFormatter(Formatter):
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"""
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Format tokens as appropriate for a new testcase.
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.. versionadded:: 2.0
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"""
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name = 'Testcase'
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aliases = ['testcase']
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def __init__(self, **options):
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Formatter.__init__(self, **options)
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if self.encoding is not None and self.encoding != 'utf-8':
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raise ValueError("Only None and utf-8 are allowed encodings.")
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def format(self, tokensource, outfile):
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indentation = ' ' * 12
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rawbuf = []
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outbuf = []
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for ttype, value in tokensource:
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rawbuf.append(value)
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outbuf.append(f'{indentation}({ttype}, {value!r}),\n')
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before = TESTCASE_BEFORE % (''.join(rawbuf),)
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during = ''.join(outbuf)
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after = TESTCASE_AFTER
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if self.encoding is None:
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outfile.write(before + during + after)
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else:
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outfile.write(before.encode('utf-8'))
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outfile.write(during.encode('utf-8'))
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outfile.write(after.encode('utf-8'))
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outfile.flush()
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