lifecycle: fix migration trying to load all classes

lifecycle/migrate.py

@@ -47,7 +47,9 @@ if __name__ == "__main__":
         # pyright: reportGeneralTypeIssues=false
         spec.loader.exec_module(mod)
 
-        for _, sub in getmembers(mod, isclass):
+        for name, sub in getmembers(mod, isclass):
+            if name != "Migration":
+                continue
             migration = sub(curr, conn)
             if migration.needs_migration():
                 LOGGER.info("Migration needs to be applied", migration=sub)

lifecycle/system_migrations/to_0_10.py

@@ -25,7 +25,8 @@ delete from django_migrations where app = 'passbook_stages_password' and
 name = '0002_passwordstage_change_flow';"""
 
 
-class To010Migration(BaseMigration):
+class Migration(BaseMigration):
+
     def needs_migration(self) -> bool:
         self.cur.execute(
             "select * from information_schema.tables where table_name='oidc_provider_client'"

lifecycle/system_migrations/to_0_12.py

@@ -1,4 +1,5 @@
-from pickle import loads  # nosec
+from pickle import loads
+from typing import Any  # nosec
 
 from redis import Redis
 
@@ -6,8 +7,10 @@ from lifecycle.migrate import BaseMigration
 from passbook.lib.config import CONFIG
 
 
-class To012Migration(BaseMigration):
+class Migration(BaseMigration):
-    def __init__(self) -> None:
+
+    def __init__(self, cur: Any, con: Any):
+        super().__init__(cur, con)
         self.redis = Redis(
             host=CONFIG.y("redis.host"),
             port=6379,