urllib.py 文件源码

def prompt_user_passwd(self, host, realm):
        """Override this in a GUI environment!"""
        import getpass
        try:
            user = raw_input("Enter username for %s at %s: " % (realm,
                                                                host))
            passwd = getpass.getpass("Enter password for %s in %s at %s: " %
                (user, realm, host))
            return user, passwd
        except KeyboardInterrupt:
            print
            return None, None


# Utility functions