Method _push_cm_exit

Lib/contextlib.py:547–550

Helper to correctly register callbacks to __exit__ methods.

(self, cm, cm_exit)

        return callback  # Allow use as a decorator

    def _push_cm_exit(self, cm, cm_exit):
        """Helper to correctly register callbacks to __exit__ methods."""
        _exit_wrapper = self._create_exit_wrapper(cm, cm_exit)
        self._push_exit_callback(_exit_wrapper, True)

    def _push_exit_callback(self, callback, is_sync=True):
        self._exit_callbacks.append((is_sync, callback))