Feature/wikilinks alternative link text (#1)

* Added support for alternative link text for wikilinks extension. * A more clean comparison.

Author: talamus

markdown/extensions/wikilinks.py

@@ -43,7 +43,7 @@ def extendMarkdown(self, md):
  self.md = md
 
  # append to end of inline patterns
- WIKILINK_RE = r'\[\[([\w0-9_ -]+)\]\]'
+ WIKILINK_RE = r'\[\[([\w0-9_ -]+)\|?([^\]]*)\]\]'
  wikilinkPattern = WikiLinksInlineProcessor(WIKILINK_RE, self.getConfigs())
  wikilinkPattern.md = md
  md.inlinePatterns.register(wikilinkPattern, 'wikilink', 75)
@@ -58,9 +58,13 @@ def handleMatch(self, m, data):
  if m.group(1).strip():
  base_url, end_url, html_class = self._getMeta()
  label = m.group(1).strip()
+ alt_label = m.group(2).strip()
  url = self.config['build_url'](label, base_url, end_url)
  a = etree.Element('a')
- a.text = label
+ if alt_label:
+ a.text = alt_label
+ else:
+ a.text = label
  a.set('href', url)
  if html_class:
  a.set('class', html_class)