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diff --git a/tools/addon-sdk-1.3/python-lib/markdown/extensions/wikilinks.py b/tools/addon-sdk-1.3/python-lib/markdown/extensions/wikilinks.py
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+++ b/tools/addon-sdk-1.3/python-lib/markdown/extensions/wikilinks.py
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+#!/usr/bin/env python
+
+'''
+WikiLinks Extension for Python-Markdown
+======================================
+
+Converts [[WikiLinks]] to relative links.  Requires Python-Markdown 2.0+
+
+Basic usage:
+
+    >>> import markdown
+    >>> text = "Some text with a [[WikiLink]]."
+    >>> html = markdown.markdown(text, ['wikilinks'])
+    >>> html
+    u'<p>Some text with a <a class="wikilink" href="/WikiLink/">WikiLink</a>.</p>'
+
+Whitespace behavior:
+
+    >>> markdown.markdown('[[ foo bar_baz ]]', ['wikilinks'])
+    u'<p><a class="wikilink" href="/foo_bar_baz/">foo bar_baz</a></p>'
+    >>> markdown.markdown('foo [[ ]] bar', ['wikilinks'])
+    u'<p>foo  bar</p>'
+
+To define custom settings the simple way:
+
+    >>> markdown.markdown(text, 
+    ...     ['wikilinks(base_url=/wiki/,end_url=.html,html_class=foo)']
+    ... )
+    u'<p>Some text with a <a class="foo" href="/wiki/WikiLink.html">WikiLink</a>.</p>'
+    
+Custom settings the complex way:
+
+    >>> md = markdown.Markdown(
+    ...     extensions = ['wikilinks'], 
+    ...     extension_configs = {'wikilinks': [
+    ...                                 ('base_url', 'http://example.com/'), 
+    ...                                 ('end_url', '.html'),
+    ...                                 ('html_class', '') ]},
+    ...     safe_mode = True)
+    >>> md.convert(text)
+    u'<p>Some text with a <a href="http://example.com/WikiLink.html">WikiLink</a>.</p>'
+
+Use MetaData with mdx_meta.py (Note the blank html_class in MetaData):
+
+    >>> text = """wiki_base_url: http://example.com/
+    ... wiki_end_url:   .html
+    ... wiki_html_class:
+    ...
+    ... Some text with a [[WikiLink]]."""
+    >>> md = markdown.Markdown(extensions=['meta', 'wikilinks'])
+    >>> md.convert(text)
+    u'<p>Some text with a <a href="http://example.com/WikiLink.html">WikiLink</a>.</p>'
+
+MetaData should not carry over to next document:
+
+    >>> md.convert("No [[MetaData]] here.")
+    u'<p>No <a class="wikilink" href="/MetaData/">MetaData</a> here.</p>'
+
+Define a custom URL builder:
+
+    >>> def my_url_builder(label, base, end):
+    ...     return '/bar/'
+    >>> md = markdown.Markdown(extensions=['wikilinks'], 
+    ...         extension_configs={'wikilinks' : [('build_url', my_url_builder)]})
+    >>> md.convert('[[foo]]')
+    u'<p><a class="wikilink" href="/bar/">foo</a></p>'
+
+From the command line:
+
+    python markdown.py -x wikilinks(base_url=http://example.com/,end_url=.html,html_class=foo) src.txt
+
+By [Waylan Limberg](http://achinghead.com/).
+
+License: [BSD](http://www.opensource.org/licenses/bsd-license.php) 
+
+Dependencies:
+* [Python 2.3+](http://python.org)
+* [Markdown 2.0+](http://www.freewisdom.org/projects/python-markdown/)
+'''
+
+import markdown
+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(markdown.Extension):
+    def __init__(self, configs):
+        # set extension defaults
+        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.'],
+        }
+        
+        # Override defaults with user settings
+        for key, value in configs :
+            self.setConfig(key, value)
+        
+    def extendMarkdown(self, md, md_globals):
+        self.md = md
+    
+        # append to end of inline patterns
+        WIKILINK_RE = r'\[\[([A-Za-z0-9_ -]+)\]\]'
+        wikilinkPattern = WikiLinks(WIKILINK_RE, self.config)
+        wikilinkPattern.md = md
+        md.inlinePatterns.add('wikilink', wikilinkPattern, "<not_strong")
+
+
+class WikiLinks(markdown.inlinepatterns.Pattern):
+    def __init__(self, pattern, config):
+        markdown.inlinepatterns.Pattern.__init__(self, 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'][0](label, base_url, end_url)
+            a = markdown.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'][0]
+        end_url = self.config['end_url'][0]
+        html_class = self.config['html_class'][0]
+        if hasattr(self.md, 'Meta'):
+            if self.md.Meta.has_key('wiki_base_url'):
+                base_url = self.md.Meta['wiki_base_url'][0]
+            if self.md.Meta.has_key('wiki_end_url'):
+                end_url = self.md.Meta['wiki_end_url'][0]
+            if self.md.Meta.has_key('wiki_html_class'):
+                html_class = self.md.Meta['wiki_html_class'][0]
+        return base_url, end_url, html_class
+    
+
+def makeExtension(configs=None) :
+    return WikiLinkExtension(configs=configs)
+
+
+if __name__ == "__main__":
+    import doctest
+    doctest.testmod()
+