backends.py 文件源码

def clean_username(self, username):
        """
        Performs any cleaning on the "username" prior to using it to get or
        create the user object.  Returns the cleaned username.

        For more info, reference clean_username function in
        django/auth/backends.py
        """
        username = username.replace('@' + settings.KRB5_REALM, '')
        username_tuple = username.split('/')
        if len(username_tuple) > 1:
            username = username_tuple[1]
        return len(username) > 30 and username[:30] or username