move the registration to mailman in a management command

newsletter/management/commands/update_newsletter_subscribers.py

+from optparse import make_option
+
+from django.core.management.base import BaseCommand, CommandError
+
+from ...models import Subscriber
+
+
+class Command(BaseCommand):
+
+    def handle(self, verbosity, **kwargs):
+        self.verbose = (verbosity > 1)
+
+        for subscriber in Subscriber.objects.filter(is_validated=True).exclude(is_registered=True):
+            if self.verbose:
+                print 'subscribing', subscriber.email
+            subscriber.subscribe_in_mailman()

newsletter/views.py

@@ -47,7 +47,6 @@ class ConfirmationView(TemplateView):
         subscriber = get_object_or_404(Subscriber, password=token, is_validated=False)
         subscriber.is_validated = True
         subscriber.save()
-        subscriber.subscribe_in_mailman()
         return context
 confirmation = ConfirmationView.as_view()