def clean_username(self, username):
        return username.split('@')[0]
Shift path segments from :attr:`path` to :attr:`script_name` and
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/auth/tests/remote_user.py/CustomRemoteUserBackend.clean_username--crossover with--dataset/ETHPy150Open adampresley/bottlepy-bootstrap/app/bottle.py/BaseRequest.path_shift