Using fresh user attributs on ticket creation + auth class as string in config

cas_server/default_settings.py

@@ -10,8 +10,6 @@
 # (c) 2015 Valentin Samir
 """Default values for the app's settings"""
 from django.conf import settings
-from . import auth
-
 
 def setting_default(name, default_value):
     """if the config `name` is not set, set it the `default_value`"""
@@ -21,7 +19,7 @@ def setting_default(name, default_value):
 setting_default('CAS_LOGIN_TEMPLATE', 'cas_server/login.html')
 setting_default('CAS_WARN_TEMPLATE', 'cas_server/warn.html')
 setting_default('CAS_LOGGED_TEMPLATE', 'cas_server/logged.html')
-setting_default('CAS_AUTH_CLASS', auth.DjangoAuthUser)
+setting_default('CAS_AUTH_CLASS', 'cas_server.auth.DjangoAuthUser')
 setting_default('CAS_ST_LEN', 30)
 setting_default('CAS_TICKET_VALIDITY', 300)
 setting_default('CAS_TICKET_TIMEOUT', 24*3600)
@@ -41,6 +39,3 @@ setting_default('CAS_SQL_USER_QUERY', 'SELECT user AS usersame, pass AS ' \
     'password, users.* FROM users WHERE user = %s')
 setting_default('CAS_SQL_PASSWORD_CHECK', 'crypt') # crypt or plain
 
-def noop():
-    """do nothing"""
-    pass

cas_server/forms.py

@@ -9,13 +9,13 @@
 #
 # (c) 2015 Valentin Samir
 """forms for the app"""
-from . import default_settings
+from .default_settings import settings
 
 from django import forms
-from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 
-from . import models
+import utils
+import models
 
 class UserCredential(forms.Form):
     """Form used on the login page to retrive user credentials"""
@@ -30,17 +30,13 @@ class UserCredential(forms.Form):
 
     def clean(self):
         cleaned_data = super(UserCredential, self).clean()
-        auth = settings.CAS_AUTH_CLASS(cleaned_data.get("username"))
+        auth = utils.import_attr(settings.CAS_AUTH_CLASS)(cleaned_data.get("username"))
         if auth.test_password(cleaned_data.get("password")):
             try:
                 user = models.User.objects.get(username=auth.username)
-                user.attributs = auth.attributs()
                 user.save()
             except models.User.DoesNotExist:
-                user = models.User.objects.create(
-                    username=auth.username,
-                    attributs=auth.attributs()
-                )
+                user = models.User.objects.create(username=auth.username)
                 user.save()
         else:
             raise forms.ValidationError(_(u"Bad user"))

cas_server/models.py

@@ -10,15 +10,14 @@
 #
 # (c) 2015 Valentin Samir
 """models for the app"""
-from . import default_settings
+from .default_settings import settings
 
-from django.conf import settings
 from django.db import models
 from django.db.models import Q
 from django.contrib import messages
-from picklefield.fields import PickledObjectField
 from django.utils.translation import ugettext_lazy as _
 from django.utils import timezone
+from picklefield.fields import PickledObjectField
 
 import re
 import os
@@ -27,14 +26,18 @@ from datetime import timedelta
 from concurrent.futures import ThreadPoolExecutor
 from requests_futures.sessions import FuturesSession
 
-from . import utils
+import utils
 
 class User(models.Model):
     """A user logged into the CAS"""
     username = models.CharField(max_length=30, unique=True)
-    attributs = PickledObjectField()
     date = models.DateTimeField(auto_now_add=True, auto_now=True)
 
+    @property
+    def attributs(self):
+        """return a fresh dict for the user attributs"""
+        return utils.import_attr(settings.CAS_AUTH_CLASS)(self.username).attributs()
+
     def __unicode__(self):
         return self.username
 

cas_server/urls.py

@@ -13,7 +13,7 @@
 from django.conf.urls import patterns, url
 from django.views.generic import RedirectView
 
-from . import views
+import views
 
 urlpatterns = patterns(
     '',

cas_server/utils.py

@@ -9,9 +9,9 @@
 #
 # (c) 2015 Valentin Samir
 """Some util function for the app"""
-from . import default_settings
+from .default_settings import settings
 
-from django.conf import settings
+from django.utils.importlib import import_module
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect
 
@@ -20,6 +20,13 @@ import urllib
 import random
 import string
 
+def import_attr(path):
+    """transform a python module.attr path to the attr"""
+    if not isinstance(path, str):
+        return string
+    module, attr = path.rsplit('.', 1)
+    return getattr(import_module(module), attr)
+
 def redirect_params(url_name, params=None):
     """Redirect to `url_name` with `params` as querystring"""
     url = reverse(url_name)

cas_server/views.py

@@ -10,13 +10,10 @@
 #
 # (c) 2015 Valentin Samir
 """views for the app"""
-from . import default_settings
-
-default_settings.noop()
+from .default_settings import settings
 
 from django.shortcuts import render, redirect
 from django.http import HttpResponse, HttpResponseRedirect
-from django.conf import settings
 from django.contrib import messages
 from django.utils.decorators import method_decorator
 from django.utils.translation import ugettext as _
@@ -29,9 +26,9 @@ import requests
 from lxml import etree
 from datetime import timedelta
 
-from . import utils
-from . import forms
-from . import models
+import utils
+import forms
+import models
 
 class AttributesMixin(object):
     """mixin for the attributs methode"""