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release: Merge default into stable for release preparation
release: Merge default into stable for release preparation

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markdown_ext.py
110 lines | 3.9 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2019 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import markdown
from markdown.extensions import Extension
from markdown.extensions.fenced_code import FencedCodeExtension
from markdown.extensions.smart_strong import SmartEmphasisExtension
from markdown.extensions.tables import TableExtension
from markdown.extensions.nl2br import Nl2BrExtension
import gfm
class GithubFlavoredMarkdownExtension(Extension):
"""
An extension that is as compatible as possible with GitHub-flavored
Markdown (GFM).
This extension aims to be compatible with the variant of GFM that GitHub
uses for Markdown-formatted gists and files (including READMEs). This
variant seems to have all the extensions described in the `GFM
documentation`_, except:
- Newlines in paragraphs are not transformed into ``br`` tags.
- Intra-GitHub links to commits, repositories, and issues are not
supported.
If you need support for features specific to GitHub comments and issues,
please use :class:`mdx_gfm.GithubFlavoredMarkdownExtension`.
.. _GFM documentation: https://guides.github.com/features/mastering-markdown/
"""
def extendMarkdown(self, md, md_globals):
# Built-in extensions
FencedCodeExtension().extendMarkdown(md, md_globals)
SmartEmphasisExtension().extendMarkdown(md, md_globals)
TableExtension().extendMarkdown(md, md_globals)
# Custom extensions
gfm.AutolinkExtension().extendMarkdown(md, md_globals)
gfm.AutomailExtension().extendMarkdown(md, md_globals)
gfm.HiddenHiliteExtension([
('guess_lang', 'False'),
('css_class', 'highlight')
]).extendMarkdown(md, md_globals)
gfm.SemiSaneListExtension().extendMarkdown(md, md_globals)
gfm.SpacedLinkExtension().extendMarkdown(md, md_globals)
gfm.StrikethroughExtension().extendMarkdown(md, md_globals)
gfm.TaskListExtension([
('list_attrs', {'class': 'checkbox'})
]).extendMarkdown(md, md_globals)
Nl2BrExtension().extendMarkdown(md, md_globals)
# Global Vars
URLIZE_RE = '(%s)' % '|'.join([
r'<(?:f|ht)tps?://[^>]*>',
r'\b(?:f|ht)tps?://[^)<>\s]+[^.,)<>\s]',
r'\bwww\.[^)<>\s]+[^.,)<>\s]',
r'[^(<\s]+\.(?:com|net|org)\b',
])
class UrlizePattern(markdown.inlinepatterns.Pattern):
""" Return a link Element given an autolink (`http://example/com`). """
def handleMatch(self, m):
url = m.group(2)
if url.startswith('<'):
url = url[1:-1]
text = url
if not url.split('://')[0] in ('http','https','ftp'):
if '@' in url and not '/' in url:
url = 'mailto:' + url
else:
url = 'http://' + url
el = markdown.util.etree.Element("a")
el.set('href', url)
el.text = markdown.util.AtomicString(text)
return el
class UrlizeExtension(markdown.Extension):
""" Urlize Extension for Python-Markdown. """
def extendMarkdown(self, md, md_globals):
""" Replace autolink with UrlizePattern """
md.inlinePatterns['autolink'] = UrlizePattern(URLIZE_RE, md)