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Add Pug support
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@ -1,263 +0,0 @@
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'''
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Smarty extension for Python-Markdown
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====================================
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Adds conversion of ASCII dashes, quotes and ellipses to their HTML
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entity equivalents.
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See <https://Python-Markdown.github.io/extensions/smarty>
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for documentation.
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Author: 2013, Dmitry Shachnev <mitya57@gmail.com>
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All changes Copyright 2013-2014 The Python Markdown Project
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License: [BSD](https://opensource.org/licenses/bsd-license.php)
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SmartyPants license:
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Copyright (c) 2003 John Gruber <https://daringfireball.net/>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name "SmartyPants" nor the names of its contributors
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may be used to endorse or promote products derived from this
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software without specific prior written permission.
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This software is provided by the copyright holders and contributors "as
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is" and any express or implied warranties, including, but not limited
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to, the implied warranties of merchantability and fitness for a
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particular purpose are disclaimed. In no event shall the copyright
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owner or contributors be liable for any direct, indirect, incidental,
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special, exemplary, or consequential damages (including, but not
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limited to, procurement of substitute goods or services; loss of use,
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data, or profits; or business interruption) however caused and on any
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theory of liability, whether in contract, strict liability, or tort
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(including negligence or otherwise) arising in any way out of the use
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of this software, even if advised of the possibility of such damage.
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smartypants.py license:
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smartypants.py is a derivative work of SmartyPants.
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Copyright (c) 2004, 2007 Chad Miller <http://web.chad.org/>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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This software is provided by the copyright holders and contributors "as
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is" and any express or implied warranties, including, but not limited
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to, the implied warranties of merchantability and fitness for a
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particular purpose are disclaimed. In no event shall the copyright
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owner or contributors be liable for any direct, indirect, incidental,
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special, exemplary, or consequential damages (including, but not
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limited to, procurement of substitute goods or services; loss of use,
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data, or profits; or business interruption) however caused and on any
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theory of liability, whether in contract, strict liability, or tort
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(including negligence or otherwise) arising in any way out of the use
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of this software, even if advised of the possibility of such damage.
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'''
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from . import Extension
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from ..inlinepatterns import HtmlInlineProcessor, HTML_RE
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from ..treeprocessors import InlineProcessor
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from ..util import Registry, deprecated
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# Constants for quote education.
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punctClass = r"""[!"#\$\%'()*+,-.\/:;<=>?\@\[\\\]\^_`{|}~]"""
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endOfWordClass = r"[\s.,;:!?)]"
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closeClass = r"[^\ \t\r\n\[\{\(\-\u0002\u0003]"
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openingQuotesBase = (
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r'(\s' # a whitespace char
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r'| ' # or a non-breaking space entity
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r'|--' # or dashes
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r'|–|—' # or unicode
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r'|&[mn]dash;' # or named dash entities
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r'|–|—' # or decimal entities
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r')'
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)
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substitutions = {
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'mdash': '—',
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'ndash': '–',
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'ellipsis': '…',
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'left-angle-quote': '«',
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'right-angle-quote': '»',
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'left-single-quote': '‘',
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'right-single-quote': '’',
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'left-double-quote': '“',
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'right-double-quote': '”',
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}
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# Special case if the very first character is a quote
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# followed by punctuation at a non-word-break. Close the quotes by brute force:
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singleQuoteStartRe = r"^'(?=%s\B)" % punctClass
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doubleQuoteStartRe = r'^"(?=%s\B)' % punctClass
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# Special case for double sets of quotes, e.g.:
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# <p>He said, "'Quoted' words in a larger quote."</p>
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doubleQuoteSetsRe = r""""'(?=\w)"""
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singleQuoteSetsRe = r"""'"(?=\w)"""
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# Special case for decade abbreviations (the '80s):
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decadeAbbrRe = r"(?<!\w)'(?=\d{2}s)"
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# Get most opening double quotes:
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openingDoubleQuotesRegex = r'%s"(?=\w)' % openingQuotesBase
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# Double closing quotes:
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closingDoubleQuotesRegex = r'"(?=\s)'
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closingDoubleQuotesRegex2 = '(?<=%s)"' % closeClass
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# Get most opening single quotes:
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openingSingleQuotesRegex = r"%s'(?=\w)" % openingQuotesBase
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# Single closing quotes:
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closingSingleQuotesRegex = r"(?<=%s)'(?!\s|s\b|\d)" % closeClass
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closingSingleQuotesRegex2 = r"(?<=%s)'(\s|s\b)" % closeClass
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# All remaining quotes should be opening ones
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remainingSingleQuotesRegex = r"'"
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remainingDoubleQuotesRegex = r'"'
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HTML_STRICT_RE = HTML_RE + r'(?!\>)'
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class SubstituteTextPattern(HtmlInlineProcessor):
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def __init__(self, pattern, replace, md):
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""" Replaces matches with some text. """
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HtmlInlineProcessor.__init__(self, pattern)
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self.replace = replace
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self.md = md
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@property
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@deprecated("Use 'md' instead.")
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def markdown(self):
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# TODO: remove this later
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return self.md
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def handleMatch(self, m, data):
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result = ''
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for part in self.replace:
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if isinstance(part, int):
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result += m.group(part)
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else:
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result += self.md.htmlStash.store(part)
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return result, m.start(0), m.end(0)
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class SmartyExtension(Extension):
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def __init__(self, **kwargs):
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self.config = {
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'smart_quotes': [True, 'Educate quotes'],
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'smart_angled_quotes': [False, 'Educate angled quotes'],
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'smart_dashes': [True, 'Educate dashes'],
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'smart_ellipses': [True, 'Educate ellipses'],
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'substitutions': [{}, 'Overwrite default substitutions'],
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}
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super().__init__(**kwargs)
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self.substitutions = dict(substitutions)
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self.substitutions.update(self.getConfig('substitutions', default={}))
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def _addPatterns(self, md, patterns, serie, priority):
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for ind, pattern in enumerate(patterns):
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pattern += (md,)
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pattern = SubstituteTextPattern(*pattern)
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name = 'smarty-%s-%d' % (serie, ind)
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self.inlinePatterns.register(pattern, name, priority-ind)
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def educateDashes(self, md):
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emDashesPattern = SubstituteTextPattern(
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r'(?<!-)---(?!-)', (self.substitutions['mdash'],), md
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)
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enDashesPattern = SubstituteTextPattern(
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r'(?<!-)--(?!-)', (self.substitutions['ndash'],), md
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)
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self.inlinePatterns.register(emDashesPattern, 'smarty-em-dashes', 50)
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self.inlinePatterns.register(enDashesPattern, 'smarty-en-dashes', 45)
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def educateEllipses(self, md):
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ellipsesPattern = SubstituteTextPattern(
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r'(?<!\.)\.{3}(?!\.)', (self.substitutions['ellipsis'],), md
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)
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self.inlinePatterns.register(ellipsesPattern, 'smarty-ellipses', 10)
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def educateAngledQuotes(self, md):
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leftAngledQuotePattern = SubstituteTextPattern(
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r'\<\<', (self.substitutions['left-angle-quote'],), md
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)
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rightAngledQuotePattern = SubstituteTextPattern(
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r'\>\>', (self.substitutions['right-angle-quote'],), md
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)
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self.inlinePatterns.register(leftAngledQuotePattern, 'smarty-left-angle-quotes', 40)
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self.inlinePatterns.register(rightAngledQuotePattern, 'smarty-right-angle-quotes', 35)
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def educateQuotes(self, md):
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lsquo = self.substitutions['left-single-quote']
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rsquo = self.substitutions['right-single-quote']
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ldquo = self.substitutions['left-double-quote']
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rdquo = self.substitutions['right-double-quote']
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patterns = (
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(singleQuoteStartRe, (rsquo,)),
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(doubleQuoteStartRe, (rdquo,)),
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(doubleQuoteSetsRe, (ldquo + lsquo,)),
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(singleQuoteSetsRe, (lsquo + ldquo,)),
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(decadeAbbrRe, (rsquo,)),
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(openingSingleQuotesRegex, (1, lsquo)),
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(closingSingleQuotesRegex, (rsquo,)),
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(closingSingleQuotesRegex2, (rsquo, 1)),
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(remainingSingleQuotesRegex, (lsquo,)),
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(openingDoubleQuotesRegex, (1, ldquo)),
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(closingDoubleQuotesRegex, (rdquo,)),
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(closingDoubleQuotesRegex2, (rdquo,)),
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(remainingDoubleQuotesRegex, (ldquo,))
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)
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self._addPatterns(md, patterns, 'quotes', 30)
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def extendMarkdown(self, md):
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configs = self.getConfigs()
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self.inlinePatterns = Registry()
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if configs['smart_ellipses']:
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self.educateEllipses(md)
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if configs['smart_quotes']:
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self.educateQuotes(md)
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if configs['smart_angled_quotes']:
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self.educateAngledQuotes(md)
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# Override HTML_RE from inlinepatterns.py so that it does not
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# process tags with duplicate closing quotes.
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md.inlinePatterns.register(HtmlInlineProcessor(HTML_STRICT_RE, md), 'html', 90)
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if configs['smart_dashes']:
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self.educateDashes(md)
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inlineProcessor = InlineProcessor(md)
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inlineProcessor.inlinePatterns = self.inlinePatterns
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md.treeprocessors.register(inlineProcessor, 'smarty', 2)
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md.ESCAPED_CHARS.extend(['"', "'"])
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def makeExtension(**kwargs): # pragma: no cover
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return SmartyExtension(**kwargs)
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