parameters: (self, fullurl, data=None)
docstring: Overridable interface to open unknown URL type.
docstring_summary: Overridable interface to open unknown URL type.
docstring_tokens: Overridable interface to open unknown URL type .
function: def open_unknown(self, fullurl, data=None):
          """Overridable interface to open unknown URL type."""
          type, url = splittype(fullurl)
          raise OSError('url error', 'unknown url type', type)
function_tokens: def open_unknown ( self , fullurl , data = None ) : type , url = splittype ( fullurl ) raise OSError ( 'url error' , 'unknown url type' , type )