| 56 | |
| 57 | @staticmethod |
| 58 | def _wrap_connection_method( |
| 59 | meth_name: str, iscoroutine: bool |
| 60 | ) -> Callable[..., Any]: |
| 61 | def call_con_method(self: Any, *args: Any, **kwargs: Any) -> Any: |
| 62 | # This method will be owned by PoolConnectionProxy class. |
| 63 | if self._con is None: |
| 64 | raise exceptions.InterfaceError( |
| 65 | 'cannot call Connection.{}(): ' |
| 66 | 'connection has been released back to the pool'.format( |
| 67 | meth_name)) |
| 68 | |
| 69 | meth = getattr(self._con.__class__, meth_name) |
| 70 | return meth(self._con, *args, **kwargs) |
| 71 | |
| 72 | if iscoroutine: |
| 73 | compat.markcoroutinefunction(call_con_method) |
| 74 | |
| 75 | return call_con_method |
| 76 | |
| 77 | |
| 78 | class PoolConnectionProxy(connection._ConnectionProxy, |