Index: third_party/Python-Markdown/markdown/extensions/wikilinks.py |
diff --git a/third_party/Python-Markdown/markdown/extensions/wikilinks.py b/third_party/Python-Markdown/markdown/extensions/wikilinks.py |
new file mode 100644 |
index 0000000000000000000000000000000000000000..94e1b6794853a534a68786236ea28df54a2b5298 |
--- /dev/null |
+++ b/third_party/Python-Markdown/markdown/extensions/wikilinks.py |
@@ -0,0 +1,89 @@ |
+''' |
+WikiLinks Extension for Python-Markdown |
+====================================== |
+ |
+Converts [[WikiLinks]] to relative links. |
+ |
+See <https://pythonhosted.org/Markdown/extensions/wikilinks.html> |
+for documentation. |
+ |
+Original code Copyright [Waylan Limberg](http://achinghead.com/). |
+ |
+All changes Copyright The Python Markdown Project |
+ |
+License: [BSD](http://www.opensource.org/licenses/bsd-license.php) |
+ |
+''' |
+ |
+from __future__ import absolute_import |
+from __future__ import unicode_literals |
+from . import Extension |
+from ..inlinepatterns import Pattern |
+from ..util import etree |
+import re |
+ |
+ |
+def build_url(label, base, end): |
+ """ Build a url from the label, a base, and an end. """ |
+ clean_label = re.sub(r'([ ]+_)|(_[ ]+)|([ ]+)', '_', label) |
+ return '%s%s%s' % (base, clean_label, end) |
+ |
+ |
+class WikiLinkExtension(Extension): |
+ |
+ def __init__(self, *args, **kwargs): |
+ self.config = { |
+ 'base_url': ['/', 'String to append to beginning or URL.'], |
+ 'end_url': ['/', 'String to append to end of URL.'], |
+ 'html_class': ['wikilink', 'CSS hook. Leave blank for none.'], |
+ 'build_url': [build_url, 'Callable formats URL from label.'], |
+ } |
+ |
+ super(WikiLinkExtension, self).__init__(*args, **kwargs) |
+ |
+ def extendMarkdown(self, md, md_globals): |
+ self.md = md |
+ |
+ # append to end of inline patterns |
+ WIKILINK_RE = r'\[\[([\w0-9_ -]+)\]\]' |
+ wikilinkPattern = WikiLinks(WIKILINK_RE, self.getConfigs()) |
+ wikilinkPattern.md = md |
+ md.inlinePatterns.add('wikilink', wikilinkPattern, "<not_strong") |
+ |
+ |
+class WikiLinks(Pattern): |
+ def __init__(self, pattern, config): |
+ super(WikiLinks, self).__init__(pattern) |
+ self.config = config |
+ |
+ def handleMatch(self, m): |
+ if m.group(2).strip(): |
+ base_url, end_url, html_class = self._getMeta() |
+ label = m.group(2).strip() |
+ url = self.config['build_url'](label, base_url, end_url) |
+ a = etree.Element('a') |
+ a.text = label |
+ a.set('href', url) |
+ if html_class: |
+ a.set('class', html_class) |
+ else: |
+ a = '' |
+ return a |
+ |
+ def _getMeta(self): |
+ """ Return meta data or config data. """ |
+ base_url = self.config['base_url'] |
+ end_url = self.config['end_url'] |
+ html_class = self.config['html_class'] |
+ if hasattr(self.md, 'Meta'): |
+ if 'wiki_base_url' in self.md.Meta: |
+ base_url = self.md.Meta['wiki_base_url'][0] |
+ if 'wiki_end_url' in self.md.Meta: |
+ end_url = self.md.Meta['wiki_end_url'][0] |
+ if 'wiki_html_class' in self.md.Meta: |
+ html_class = self.md.Meta['wiki_html_class'][0] |
+ return base_url, end_url, html_class |
+ |
+ |
+def makeExtension(*args, **kwargs): |
+ return WikiLinkExtension(*args, **kwargs) |