diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/markdown/extensions/smarty.py')
| -rw-r--r-- | .venv/lib/python3.12/site-packages/markdown/extensions/smarty.py | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/markdown/extensions/smarty.py b/.venv/lib/python3.12/site-packages/markdown/extensions/smarty.py new file mode 100644 index 00000000..7a7c952d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markdown/extensions/smarty.py @@ -0,0 +1,277 @@ +# Smarty extension for Python-Markdown +# ==================================== + +# Adds conversion of ASCII dashes, quotes and ellipses to their HTML +# entity equivalents. + +# See https://Python-Markdown.github.io/extensions/smarty +# for documentation. + +# Author: 2013, Dmitry Shachnev <mitya57@gmail.com> + +# All changes Copyright 2013-2014 The Python Markdown Project + +# License: [BSD](https://opensource.org/licenses/bsd-license.php) + +# SmartyPants license: + +# Copyright (c) 2003 John Gruber <https://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. + +""" +Adds conversion of ASCII dashes, quotes and ellipses to their HTML +entity equivalents. + +See the [documentation](https://Python-Markdown.github.io/extensions/smarty) +for details. +""" + +from __future__ import annotations + +from . import Extension +from ..inlinepatterns import HtmlInlineProcessor, HTML_RE +from ..treeprocessors import InlineProcessor +from ..util import Registry +from typing import TYPE_CHECKING, Sequence + +if TYPE_CHECKING: # pragma: no cover + from markdown import Markdown + from .. import inlinepatterns + import re + import xml.etree.ElementTree as etree + +# Constants for quote education. +punctClass = r"""[!"#\$\%'()*+,-.\/:;<=>?\@\[\\\]\^_`{|}~]""" +endOfWordClass = r"[\s.,;:!?)]" +closeClass = r"[^\ \t\r\n\[\{\(\-\u0002\u0003]" + +openingQuotesBase = ( + r'(\s' # a whitespace char + r'| ' # or a non-breaking space entity + r'|--' # or dashes + r'|–|—' # or Unicode + r'|&[mn]dash;' # or named dash entities + r'|–|—' # or decimal entities + r')' +) + +substitutions = { + 'mdash': '—', + 'ndash': '–', + 'ellipsis': '…', + 'left-angle-quote': '«', + 'right-angle-quote': '»', + 'left-single-quote': '‘', + 'right-single-quote': '’', + 'left-double-quote': '“', + 'right-double-quote': '”', +} + + +# 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)""" + +# Special case for decade abbreviations (the '80s): +decadeAbbrRe = r"(?<!\w)'(?=\d{2}s)" + +# 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\b)" + +# All remaining quotes should be opening ones +remainingSingleQuotesRegex = r"'" +remainingDoubleQuotesRegex = r'"' + +HTML_STRICT_RE = HTML_RE + r'(?!\>)' + + +class SubstituteTextPattern(HtmlInlineProcessor): + def __init__(self, pattern: str, replace: Sequence[int | str | etree.Element], md: Markdown): + """ Replaces matches with some text. """ + HtmlInlineProcessor.__init__(self, pattern) + self.replace = replace + self.md = md + + def handleMatch(self, m: re.Match[str], data: str) -> tuple[str, int, int]: + result = '' + for part in self.replace: + if isinstance(part, int): + result += m.group(part) + else: + result += self.md.htmlStash.store(part) + return result, m.start(0), m.end(0) + + +class SmartyExtension(Extension): + """ Add Smarty to Markdown. """ + def __init__(self, **kwargs): + self.config = { + 'smart_quotes': [True, 'Educate quotes'], + 'smart_angled_quotes': [False, 'Educate angled quotes'], + 'smart_dashes': [True, 'Educate dashes'], + 'smart_ellipses': [True, 'Educate ellipses'], + 'substitutions': [{}, 'Overwrite default substitutions'], + } + """ Default configuration options. """ + super().__init__(**kwargs) + self.substitutions: dict[str, str] = dict(substitutions) + self.substitutions.update(self.getConfig('substitutions', default={})) + + def _addPatterns( + self, + md: Markdown, + patterns: Sequence[tuple[str, Sequence[int | str | etree.Element]]], + serie: str, + priority: int, + ): + for ind, pattern in enumerate(patterns): + pattern += (md,) + pattern = SubstituteTextPattern(*pattern) + name = 'smarty-%s-%d' % (serie, ind) + self.inlinePatterns.register(pattern, name, priority-ind) + + def educateDashes(self, md: Markdown) -> None: + emDashesPattern = SubstituteTextPattern( + r'(?<!-)---(?!-)', (self.substitutions['mdash'],), md + ) + enDashesPattern = SubstituteTextPattern( + r'(?<!-)--(?!-)', (self.substitutions['ndash'],), md + ) + self.inlinePatterns.register(emDashesPattern, 'smarty-em-dashes', 50) + self.inlinePatterns.register(enDashesPattern, 'smarty-en-dashes', 45) + + def educateEllipses(self, md: Markdown) -> None: + ellipsesPattern = SubstituteTextPattern( + r'(?<!\.)\.{3}(?!\.)', (self.substitutions['ellipsis'],), md + ) + self.inlinePatterns.register(ellipsesPattern, 'smarty-ellipses', 10) + + def educateAngledQuotes(self, md: Markdown) -> None: + leftAngledQuotePattern = SubstituteTextPattern( + r'\<\<', (self.substitutions['left-angle-quote'],), md + ) + rightAngledQuotePattern = SubstituteTextPattern( + r'\>\>', (self.substitutions['right-angle-quote'],), md + ) + self.inlinePatterns.register(leftAngledQuotePattern, 'smarty-left-angle-quotes', 40) + self.inlinePatterns.register(rightAngledQuotePattern, 'smarty-right-angle-quotes', 35) + + def educateQuotes(self, md: Markdown) -> None: + lsquo = self.substitutions['left-single-quote'] + rsquo = self.substitutions['right-single-quote'] + ldquo = self.substitutions['left-double-quote'] + rdquo = self.substitutions['right-double-quote'] + patterns = ( + (singleQuoteStartRe, (rsquo,)), + (doubleQuoteStartRe, (rdquo,)), + (doubleQuoteSetsRe, (ldquo + lsquo,)), + (singleQuoteSetsRe, (lsquo + ldquo,)), + (decadeAbbrRe, (rsquo,)), + (openingSingleQuotesRegex, (1, lsquo)), + (closingSingleQuotesRegex, (rsquo,)), + (closingSingleQuotesRegex2, (rsquo, 1)), + (remainingSingleQuotesRegex, (lsquo,)), + (openingDoubleQuotesRegex, (1, ldquo)), + (closingDoubleQuotesRegex, (rdquo,)), + (closingDoubleQuotesRegex2, (rdquo,)), + (remainingDoubleQuotesRegex, (ldquo,)) + ) + self._addPatterns(md, patterns, 'quotes', 30) + + def extendMarkdown(self, md): + configs = self.getConfigs() + self.inlinePatterns: Registry[inlinepatterns.InlineProcessor] = Registry() + if configs['smart_ellipses']: + self.educateEllipses(md) + if configs['smart_quotes']: + self.educateQuotes(md) + if configs['smart_angled_quotes']: + self.educateAngledQuotes(md) + # Override `HTML_RE` from `inlinepatterns.py` so that it does not + # process tags with duplicate closing quotes. + md.inlinePatterns.register(HtmlInlineProcessor(HTML_STRICT_RE, md), 'html', 90) + if configs['smart_dashes']: + self.educateDashes(md) + inlineProcessor = InlineProcessor(md) + inlineProcessor.inlinePatterns = self.inlinePatterns + md.treeprocessors.register(inlineProcessor, 'smarty', 6) + md.ESCAPED_CHARS.extend(['"', "'"]) + + +def makeExtension(**kwargs): # pragma: no cover + return SmartyExtension(**kwargs) |