frames.py 文件源码

def email(self, email):
        # XXX: becoming a pattern?
        if isinstance(email, UnicodeType):
            self._email = email.encode(ascii_encode)
        elif isinstance(email, BytesType):
            _ = email.decode("ascii")                                # noqa
            self._email = email
        else:
            raise TypeError("bytes, str, unicode email required")