extensions/signals.py

@@ -43,11 +43,10 @@ def _delete_versionfiles_file(
     logger.info('Deleting File pk=%s of VersionFile pk=%s', file.pk, instance.pk)
     file.delete()
 
-    instance.version.update_platforms()
-
-    # this code is already quite convoluted
+    # this code is already quite convoluted :double-facepalm:
     # TODO? maybe find some way to have a predictable order of deletion
     try:
+        instance.version.update_platforms()
         if instance.version.files.count() == 0:
             # this was the last file, clean up the version
             logger.info(

extensions/tests/test_delete.py

@@ -216,3 +216,14 @@ class DeleteTest(TestCase):
 
         self.assertEqual(response.status_code, 403)
         extension.refresh_from_db()
+
+    def test_multi_file_version_delete(self):
+        version = create_version(metadata__platforms=['linux-x64'])
+        version.add_file(
+            FileFactory(
+                metadata__id=version.extension.extension_id,
+                metadata__version=version.version,
+                metadata__platforms=['windows-x64'],
+            )
+        )
+        version.extension.delete()