Notify if there are no migrations

cvat-ai · Jan 16, 2025 · 0b49bbe · 0b49bbe
1 parent 603fe90
commit 0b49bbe
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diff --git a/cvat/apps/redis_handler/management/commands/migrateredis.py b/cvat/apps/redis_handler/management/commands/migrateredis.py
@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
+import sys
 import traceback
 
 from django.core.management.base import BaseCommand, CommandError
@@ -17,6 +18,10 @@ class Command(BaseCommand):
     def handle(self, *args, **options) -> None:
         loader = MigrationLoader()
 
+        if not loader:
+            self.stdout.write("No migrations to apply")
+            sys.exit(0)
+
         for migration in loader:
             try:
                 with transaction.atomic():

diff --git a/cvat/apps/redis_handler/migration_loader.py b/cvat/apps/redis_handler/migration_loader.py
@@ -91,3 +91,6 @@ def get_migration_class(self, app_name: str, migration_name: str) -> BaseRedisMi
 
     def __iter__(self):
         yield from self._unapplied_migrations
+
+    def __len__(self):
+        return len(self._unapplied_migrations)