def descriptor_global_handler_url(block, handler_name, suffix='', query='', thirdparty=False):
 raise NotImplementedError('Applications must monkey-patch this function before using handler_url for studio_view')

def descriptor_global_handler_url ( block , handler_name , suffix = '' , query = '' , thirdparty = False ) : raise NotImplementedError ( 'Applications must monkey-patch this function before using handler_url for studio_view' )
see :meth:xblock .