def authenticate(self, username=None, password=None):
obj = None
for klass, fieldnames in self._authentication_chain:
for fieldname in fieldnames:
try:
obj = klass.objects.get(**{fieldname: username})
except klass.DoesNotExist:
pass
else:
break
if obj is not None:
break
if obj is None:
# try to log in via Neo
consumer_id = authenticate_neo(username, password)
if consumer_id:
# create the member using data from Neo
consumer = api.get_consumer(consumer_id, username, password)
wrapper = ConsumerWrapper(consumer=consumer)
attrs = dict((k, getattr(wrapper, k)) for k in NEO_ATTR)
attrs.update(wrapper.address)
member = Member(**attrs)
# don't want save method to attempt to create a consumer
member.need_to_clean_member = False
member.consumer_id = consumer_id
member.save()
return member
return None
# Obj is an instance of either user or a subclass of user, or else a
# profile.
if isinstance(obj, User):
user = obj
else:
user = obj.user
# Authenticate via Neo instead of Django
consumer_id = authenticate_neo(user.username, password)
if consumer_id:
assert NeoProfile.objects.get(consumer_id=consumer_id).user.id == user.id
return user
return None
