Login: send the username, send the password.

If the password is None, the PASS command won't be sent. Also, if the response to the USER command has a response code of 230 (User logged in), then PASS won't be sent either.

Function cancelPasswordIfNotNeeded Undocumented
def cancelPasswordIfNotNeeded(response): (source)
Undocumented
API Documentation for Twisted, generated by pydoctor at 2020-03-20 23:54:06.