code: def _get_action_endpoint(action):
      
      _endpoint = None
      if is_method(action):
          if hasattr(action, "_rule_cache"):
              rc = action._rule_cache
              if rc:
                  k = list(rc.keys())[0]
                  rules = rc[k]
                  len_rules = len(rules)
                  if len_rules == 1:
                      rc_kw = rules[0][1]
                      _endpoint = rc_kw.get("endpoint", None)
                      if not _endpoint:
                          _endpoint = _build_endpoint_route_name(action)
                  elif len_rules > 1:
                      _prefix = _build_endpoint_route_name(action)
                      for r in Mocha._app.url_map.iter_rules():
                          if ('GET' in r.methods or 'POST' in r.methods) \
                                  and _prefix in r.endpoint:
                              _endpoint = r.endpoint
                              break
      return _endpoint
docs: Return the endpoint base on the view's action
      :param action:
      :return: