Method push_async_exit

Lib/contextlib.py:667–677

Registers a coroutine function with the standard __aexit__ method signature. Can suppress exceptions the same way __aexit__ method can. Also accepts any object with an __aexit__ method (registering a call to the method instead of the object itself).

(self, exit)

        return result

    def push_async_exit(self, exit):
        """Registers a coroutine function with the standard __aexit__ method
        signature.

        Can suppress exceptions the same way __aexit__ method can.
        Also accepts any object with an __aexit__ method (registering a call
        to the method instead of the object itself).
        """
        exit_method = _lookup_special(exit, '__aexit__', exit)
        self._push_exit_callback(exit_method, False)
        return exit  # Allow use as a decorator

    def push_async_callback(self, callback, /, *args, **kwds):
        """Registers an arbitrary coroutine function and arguments.