Allow authentication with both Username and Email

pinry/core/auth/backends.py

@@ -0,0 +1,25 @@
+from django.core.validators import email_re
+
+from pinry.core.models import User
+
+class CombinedAuthBackend(object):
+    def authenticate(self, username=None, password=None):
+        is_email = email_re.match(username)
+        if is_email:
+            qs = User.objects.filter(email=username)
+        else:
+            qs = User.objects.filter(username=username)
+
+        try:
+            user = qs.get()
+        except User.DoesNotExist:
+            return None
+        if user.check_password(password):
+            return user
+        return None
+
+    def get_user(self, user_id):
+        try:
+            return User.objects.get(pk=user_id)
+        except User.DoesNotExist:
+            return None

pinry/settings/__init__.py

@@ -79,3 +79,5 @@ INSTALLED_APPS = (
     'pinry.pins',
     'pinry.api',
 )
+
+AUTHENTICATION_BACKENDS = ('pinry.core.auth.backends.CombinedAuthBackend', 'django.contrib.auth.backends.ModelBackend',)