def authenticate(self, username=None, password=None, **kwargs):
try:
lu = LDAPUser(username, password)
user = None
try:
user = User.objects.get(username=username)
except User.DoesNotExist:
# Add the user to the local DB
user = User(username=username, password='')
user.save()
user.ldapuser = lu
return user
except ldap.LDAPError as e: # Could not find user etc.
print('Could not authenticate user '+username+':', e)
return None
