Change CofProfile to Profile in kfet/backends.py

- K-Fêt accounts are now linked to profiles
- There is no need to perform the `get_or_create` as long as the profile
  creation has been automated.
- This file is now PEP8 compliant

kfet/backends.py

@@ -1,15 +1,11 @@
 # -*- coding: utf-8 -*-
 
-from __future__ import (absolute_import, division,
-                        print_function, unicode_literals)
-from builtins import *
-
 import hashlib
 
 from django.contrib.auth.models import User, Permission
-from cof.models import CofProfile
 from kfet.models import Account, GenericTeamToken
 
+
 class KFetBackend(object):
     def authenticate(self, request):
         password = request.POST.get('KFETPASSWORD', '')
@@ -17,8 +13,8 @@ class KFetBackend(object):
         if not password:
             return None
 
-        try:
         password_sha256 = hashlib.sha256(password.encode('utf-8')).hexdigest()
+        try:
             account = Account.objects.get(password=password_sha256)
             user = account.profile.user
         except Account.DoesNotExist:
@@ -26,16 +22,20 @@ class KFetBackend(object):
 
         return user
 
+
 class GenericTeamBackend(object):
+    """
+    Authenticate using the generic_team user.
+    """
     def authenticate(self, username=None, token=None):
         valid_token = GenericTeamToken.objects.get(token=token)
         if username == 'kfet_genericteam' and valid_token:
             # Création du user s'il n'existe pas déjà
             user, _ = User.objects.get_or_create(username='kfet_genericteam')
-            profile, _ = CofProfile.objects.get_or_create(user=user)
             account, _ = Account.objects.get_or_create(
-                    profile=profile,
-                    trigramme='GNR')
+                profile=user.profile,
+                trigramme='GNR'
+            )
 
             # Ajoute la permission kfet.is_team à ce user
             perm_is_team = Permission.objects.get(codename='is_team')