core: sort sources on login view

.pylintrc

@@ -7,7 +7,3 @@ const-rgx=[a-zA-Z0-9_]{1,40}$
 ignored-modules=django-otp
 jobs=4
 
-[SIMILARITIES]
-
-# Minimum lines number of a similarity.
-min-similarity-lines=20

passbook/core/views/authentication.py

@@ -44,13 +44,13 @@ class LoginView(UserPassesTestMixin, FormView):
         kwargs["primary_action"] = _("Log in")
         kwargs["show_sign_up_notice"] = CONFIG.y("passbook.sign_up.enabled")
         kwargs["sources"] = []
-        sources = Source.objects.filter(enabled=True).select_subclasses()
+        sources = (
+            Source.objects.filter(enabled=True).order_by("name").select_subclasses()
+        )
         for source in sources:
             ui_login_button = source.ui_login_button
             if ui_login_button:
                 kwargs["sources"].append(ui_login_button)
-        # if kwargs["sources"]:
-        #     self.template_name = "login/with_sources.html"
         return super().get_context_data(**kwargs)
 
     def get_user(self, uid_value) -> Optional[User]: