def reverse_library_url(handler_name, library_key, kwargs=None):
 return reverse_url(handler_name, 'library_key_string', library_key, kwargs)

def reverse_library_url ( handler_name , library_key , kwargs = None ) : return reverse_url ( handler_name , 'library_key_string' , library_key , kwargs )
creates the url for handlers that use library_keys as url parameters .