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""" pygments.formatters.other ~~~~~~~~~~~~~~~~~~~~~~~~~ Other formatters: NullFormatter, RawTokenFormatter. :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ from pygments.formatter import Formatter from pygments.util import get_choice_opt from pygments.token import Token from pygments.console import colorize __all__ = ['NullFormatter', 'RawTokenFormatter', 'TestcaseFormatter'] class NullFormatter(Formatter): """ Output the text unchanged without any formatting. """ name = 'Text only' aliases = ['text', 'null'] filenames = ['*.txt'] def format(self, tokensource, outfile): enc = self.encoding for ttype, value in tokensource: if enc: outfile.write(value.encode(enc)) else: outfile.write(value) class RawTokenFormatter(Formatter): r""" Format tokens as a raw representation for storing token streams. The format is ``tokentype<TAB>repr(tokenstring)\n``. The output can later be converted to a token stream with the `RawTokenLexer`, described in the :doc:`lexer list <lexers>`. Only two options are accepted: `compress` If set to ``'gz'`` or ``'bz2'``, compress the output with the given compression algorithm after encoding (default: ``''``). `error_color` If set to a color name, highlight error tokens using that color. If set but with no value, defaults to ``'red'``. .. versionadded:: 0.11 """ name = 'Raw tokens' aliases = ['raw', 'tokens'] filenames = ['*.raw'] unicodeoutput = False def __init__(self, **options): Formatter.__init__(self, **options) # We ignore self.encoding if it is set, since it gets set for lexer # and formatter if given with -Oencoding on the command line. # The RawTokenFormatter outputs only ASCII. Override here. self.encoding = 'ascii' # let pygments.format() do the right thing self.compress = get_choice_opt(options, 'compress', ['', 'none', 'gz', 'bz2'], '') self.error_color = options.get('error_color', None) if self.error_color is True: self.error_color = 'red' if self.error_color is not None: try: colorize(self.error_color, '') except KeyError: raise ValueError("Invalid color %r specified" % self.error_color) def format(self, tokensource, outfile): try: outfile.write(b'') except TypeError: raise TypeError('The raw tokens formatter needs a binary ' 'output file') if self.compress == 'gz': import gzip outfile = gzip.GzipFile('', 'wb', 9, outfile) write = outfile.write flush = outfile.close elif self.compress == 'bz2': import bz2 compressor = bz2.BZ2Compressor(9) def write(text): outfile.write(compressor.compress(text)) def flush(): outfile.write(compressor.flush()) outfile.flush() else: write = outfile.write flush = outfile.flush if self.error_color: for ttype, value in tokensource: line = b"%r\t%r\n" % (ttype, value) if ttype is Token.Error: write(colorize(self.error_color, line)) else: write(line) else: for ttype, value in tokensource: write(b"%r\t%r\n" % (ttype, value)) flush() TESTCASE_BEFORE = '''\ def testNeedsName(lexer): fragment = %r tokens = [ ''' TESTCASE_AFTER = '''\ ] assert list(lexer.get_tokens(fragment)) == tokens ''' class TestcaseFormatter(Formatter): """ Format tokens as appropriate for a new testcase. .. versionadded:: 2.0 """ name = 'Testcase' aliases = ['testcase'] def __init__(self, **options): Formatter.__init__(self, **options) if self.encoding is not None and self.encoding != 'utf-8': raise ValueError("Only None and utf-8 are allowed encodings.") def format(self, tokensource, outfile): indentation = ' ' * 12 rawbuf = [] outbuf = [] for ttype, value in tokensource: rawbuf.append(value) outbuf.append('%s(%s, %r),\n' % (indentation, ttype, value)) before = TESTCASE_BEFORE % (''.join(rawbuf),) during = ''.join(outbuf) after = TESTCASE_AFTER if self.encoding is None: outfile.write(before + during + after) else: outfile.write(before.encode('utf-8')) outfile.write(during.encode('utf-8')) outfile.write(after.encode('utf-8')) outfile.flush()