authorization: add decorators to restrict view access.

calebasse/decorators.py

@@ -0,0 +1,28 @@
+from django.contrib.auth.decorators import login_required
+from django.http import HttpResponseRedirect
+from functools import wraps
+
+from utils import is_super_user, is_validator
+
+auth_url = '/accounts/login/'
+
+
+'''
+''''''
+    Decorators to protect views
+''''''
+'''
+
+def super_user_only(view_func):
+    def _wrapped_view(request, *args, **kwargs):
+        if not is_super_user(request.user):
+            return HttpResponseRedirect(auth_url)
+        return view_func(request, *args, **kwargs)
+    return login_required(wraps(view_func)(_wrapped_view))
+
+def validator_only(view_func):
+    def _wrapped_view(request, *args, **kwargs):
+        if not is_validator(request.user):
+            return HttpResponseRedirect(auth_url)
+        return view_func(request, *args, **kwargs)
+    return login_required(wraps(view_func)(_wrapped_view))