Method login

Lib/ftplib.py:721–724

(self, user='', passwd='', acct='', secure=True)

                             timeout, source_address, encoding=encoding)

        def login(self, user='', passwd='', acct='', secure=True):
            if secure and not isinstance(self.sock, ssl.SSLSocket):
                self.auth()
            return super().login(user, passwd, acct)

        def auth(self):
            '''Set up secure control connection by using TLS/SSL.'''