parameters: (label, base, end)
docstring: TODO allow tags and titles (how to distinguish?)
docstring_summary: TODO allow tags and titles (how to distinguish?)
docstring_tokens: TODO allow tags and titles ( how to distinguish? )
function: def wiki_link_url_builder(label, base, end):
      """
      TODO allow tags and titles (how to distinguish?)
      """
      res = Concept.objects.filter(title=label)
      if len(res):
          return base + res[0].tag
      else:
          return base + label
function_tokens: def wiki_link_url_builder ( label , base , end ) : res = Concept . objects . filter ( title = label ) if len ( res ) : return base + res [ 0 ] . tag else : return base + label