/usr/lib/python3/dist-packages/markdown/extensions/smarty.py is in python3-markdown 2.4-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | # -*- coding: utf-8 -*-
# Smarty extension for Python-Markdown
# Author: 2013, Dmitry Shachnev <mitya57@gmail.com>
# SmartyPants license:
#
# Copyright (c) 2003 John Gruber <http://daringfireball.net/>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# * Neither the name "SmartyPants" nor the names of its contributors
# may be used to endorse or promote products derived from this
# software without specific prior written permission.
#
# This software is provided by the copyright holders and contributors "as
# is" and any express or implied warranties, including, but not limited
# to, the implied warranties of merchantability and fitness for a
# particular purpose are disclaimed. In no event shall the copyright
# owner or contributors be liable for any direct, indirect, incidental,
# special, exemplary, or consequential damages (including, but not
# limited to, procurement of substitute goods or services; loss of use,
# data, or profits; or business interruption) however caused and on any
# theory of liability, whether in contract, strict liability, or tort
# (including negligence or otherwise) arising in any way out of the use
# of this software, even if advised of the possibility of such damage.
#
#
# smartypants.py license:
#
# smartypants.py is a derivative work of SmartyPants.
# Copyright (c) 2004, 2007 Chad Miller <http://web.chad.org/>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# This software is provided by the copyright holders and contributors "as
# is" and any express or implied warranties, including, but not limited
# to, the implied warranties of merchantability and fitness for a
# particular purpose are disclaimed. In no event shall the copyright
# owner or contributors be liable for any direct, indirect, incidental,
# special, exemplary, or consequential damages (including, but not
# limited to, procurement of substitute goods or services; loss of use,
# data, or profits; or business interruption) however caused and on any
# theory of liability, whether in contract, strict liability, or tort
# (including negligence or otherwise) arising in any way out of the use
# of this software, even if advised of the possibility of such damage.
from __future__ import unicode_literals
from . import Extension
from ..inlinepatterns import HtmlPattern
from ..util import parseBoolValue
# Constants for quote education.
punctClass = r"""[!"#\$\%'()*+,-.\/:;<=>?\@\[\\\]\^_`{|}~]"""
endOfWordClass = r"[\s.,;:!?)]"
closeClass = r"[^\ \t\r\n\[\{\(\-\u0002\u0003]"
openingQuotesBase = (
'(\s' # a whitespace char
'| ' # or a non-breaking space entity
'|--' # or dashes
'|–|—' # or unicode
'|&[mn]dash;' # or named dash entities
'|–|—' # or decimal entities
')'
)
# Special case if the very first character is a quote
# followed by punctuation at a non-word-break. Close the quotes by brute force:
singleQuoteStartRe = r"^'(?=%s\\B)" % punctClass
doubleQuoteStartRe = r'^"(?=%s\\B)' % punctClass
# Special case for double sets of quotes, e.g.:
# <p>He said, "'Quoted' words in a larger quote."</p>
doubleQuoteSetsRe = r""""'(?=\w)"""
singleQuoteSetsRe = r"""'"(?=\w)"""
# Get most opening double quotes:
openingDoubleQuotesRegex = r'%s"(?=\w)' % openingQuotesBase
# Double closing quotes:
closingDoubleQuotesRegex = r'"(?=\s)'
closingDoubleQuotesRegex2 = '(?<=%s)"' % closeClass
# Get most opening single quotes:
openingSingleQuotesRegex = r"%s'(?=\w)" % openingQuotesBase
# Single closing quotes:
closingSingleQuotesRegex = r"(?<=%s)'(?!\s|s\b|\d)" % closeClass
closingSingleQuotesRegex2 = r"(?<=%s)'(\s|s\b)" % closeClass
# All remaining quotes should be opening ones
remainingSingleQuotesRegex = "'"
remainingDoubleQuotesRegex = '"'
lsquo, rsquo, ldquo, rdquo = '‘', '’', '“', '”'
class SubstituteTextPattern(HtmlPattern):
def __init__(self, pattern, replace, markdown_instance):
""" Replaces matches with some text. """
HtmlPattern.__init__(self, pattern)
self.replace = replace
self.markdown = markdown_instance
def handleMatch(self, m):
result = ''
for part in self.replace:
if isinstance(part, int):
result += m.group(part)
else:
result += self.markdown.htmlStash.store(part, safe=True)
return result
class SmartyExtension(Extension):
def __init__(self, configs):
self.config = {
'smart_quotes': [True, 'Educate quotes'],
'smart_dashes': [True, 'Educate dashes'],
'smart_ellipses': [True, 'Educate ellipses']
}
for key, value in configs:
self.setConfig(key, parseBoolValue(value))
def _addPatterns(self, md, patterns, serie):
for ind, pattern in enumerate(patterns):
pattern += (md,)
pattern = SubstituteTextPattern(*pattern)
after = ('>smarty-%s-%d' % (serie, ind - 1) if ind else '>entity')
name = 'smarty-%s-%d' % (serie, ind)
md.inlinePatterns.add(name, pattern, after)
def educateDashes(self, md):
emDashesPattern = SubstituteTextPattern(r'(?<!-)---(?!-)', '—', md)
enDashesPattern = SubstituteTextPattern(r'(?<!-)--(?!-)', '–', md)
md.inlinePatterns.add('smarty-em-dashes', emDashesPattern, '>entity')
md.inlinePatterns.add('smarty-en-dashes', enDashesPattern,
'>smarty-em-dashes')
def educateEllipses(self, md):
ellipsesPattern = SubstituteTextPattern(r'(?<!\.)\.{3}(?!\.)', '…', md)
md.inlinePatterns.add('smarty-ellipses', ellipsesPattern, '>entity')
def educateQuotes(self, md):
patterns = (
(singleQuoteStartRe, (rsquo,)),
(doubleQuoteStartRe, (rdquo,)),
(doubleQuoteSetsRe, (ldquo + lsquo,)),
(singleQuoteSetsRe, (lsquo + ldquo,)),
(openingSingleQuotesRegex, (2, lsquo)),
(closingSingleQuotesRegex, (rsquo,)),
(closingSingleQuotesRegex2, (rsquo, 2)),
(remainingSingleQuotesRegex, (lsquo,)),
(openingDoubleQuotesRegex, (2, ldquo)),
(closingDoubleQuotesRegex, (rdquo,)),
(closingDoubleQuotesRegex2, (rdquo,)),
(remainingDoubleQuotesRegex, (ldquo,))
)
self._addPatterns(md, patterns, 'quotes')
def extendMarkdown(self, md, md_globals):
configs = self.getConfigs()
if configs['smart_quotes']:
self.educateQuotes(md)
if configs['smart_dashes']:
self.educateDashes(md)
if configs['smart_ellipses']:
self.educateEllipses(md)
md.ESCAPED_CHARS.extend(['"', "'"])
def makeExtension(configs=None):
return SmartyExtension(configs)
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