clean-user-exports: prevent crash when missing directory (#54406)

src/authentic2/management/commands/clean-user-exports.py

@@ -27,6 +27,9 @@ class Command(BaseCommand):
 
     def handle(self, **options):
         path = default_storage.path('user_exports')
+        if not os.path.exists(path):
+            return
+
         for directory in os.listdir(path):
             dir_path = os.path.join(path, directory)
             modification_timestamp = os.path.getmtime(dir_path)

tests/test_commands.py

@@ -410,6 +410,9 @@ def test_clean_user_exports(settings, app, superuser, freezer):
     users = [User(username='user%s' % i) for i in range(10)]
     User.objects.bulk_create(users)
 
+    # export directory does not exist yet
+    call_command('clean-user-exports')
+
     resp = login(app, superuser, '/manage/users/')
     resp = resp.click('CSV').follow()
     file_creation_time = now()