new management command to check for editions without attached works

core/management/commands/remove_orphan_editions.py

@@ -0,0 +1,18 @@
+# if there's an edition without a work, something went wrong.
+
+from django.core.management.base import BaseCommand
+
+from regluit.core import models
+
+class Command(BaseCommand):
+    help = "removes editions with no connected works"
+
+    def handle(self,  **options):
+        numeditions=0
+        deleted=0
+        for edition in models.Edition.objects.all():
+            if not edition.work:
+                edition.delete()
+                deleted=deleted+1
+            numeditions=numeditions+1
+        print "%s deleted from %s total" % (deleted, numeditions)