Method recv_nowait

Lib/test/support/channels.py:157–171

Return the next object from the channel. If none have been sent then return the default if one is provided or fail with ChannelEmptyError. Otherwise this is the same as recv().

(self, default=_NOT_SET)

        return obj

    def recv_nowait(self, default=_NOT_SET):
        """Return the next object from the channel.

        If none have been sent then return the default if one
        is provided or fail with ChannelEmptyError.  Otherwise this
        is the same as recv().
        """
        if default is _NOT_SET:
            obj, unboundop = _channels.recv(self._id)
        else:
            obj, unboundop = _channels.recv(self._id, default)
        if unboundop is not None:
            assert obj is None, repr(obj)
            return _resolve_unbound(unboundop)
        return obj

    def close(self):
        _channels.close(self._id, recv=True)