test_email_renamed.py 文件源码

def test_message_from_file_with_class(self):
        unless = self.failUnless
        # Create a subclass
        class MyMessage(Message):
            pass

        fp = openfile('msg_01.txt')
        try:
            msg = email.message_from_file(fp, MyMessage)
        finally:
            fp.close()
        unless(isinstance(msg, MyMessage))
        # Try something more complicated
        fp = openfile('msg_02.txt')
        try:
            msg = email.message_from_file(fp, MyMessage)
        finally:
            fp.close()
        for subpart in msg.walk():
            unless(isinstance(subpart, MyMessage))