@classmethod
def assert_valid_address(cls, address):
    """
        Raise an exception if the specified email address is not compliant
        with RFC 2822.


        :param address: an email address.


        @raise AssertError: if the specified email address is not compliant
            with RFC 2822.
        """
    assert cls.is_address_valid(address
        ), 'The email address "%s" is not valid' % address
