# -*- 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)