feat(commands): add management command to update all bibtex fields

apis_bibsonomy/management/commands/updatebibtex.py

@@ -0,0 +1,12 @@
+from django.core.management.base import BaseCommand
+from apis_bibsonomy.models import Reference
+from apis_bibsonomy.utils import get_bibtex_from_url
+
+
+class Command(BaseCommand):
+    help = "Update bibtex fields for all references"
+
+    def handle(self, *args, **options):
+        for obj in Reference.objects.all():
+            obj.bibtex = get_bibtex_from_url(obj.bibs_url)
+            obj.save()