fixed sonarqube scan issues

tools/python/delete_picture.py

@@ -1,13 +1,23 @@
 #!/usr/bin/env python3
+"""Löscht ein Bild eines POIs."""
+
 import argparse
+from collections.abc import Sequence
+
 from common import add_common_arguments, ask, client_from_args, confirm, run
-parser = argparse.ArgumentParser(description="Ein Bild löschen")
-add_common_arguments(parser)
-parser.add_argument("--route-id", type=int)
-parser.add_argument("--poi-id", type=int)
-parser.add_argument("--picture-id", type=int)
-args = parser.parse_args()
-def action():
+
+
+def build_parser() -> argparse.ArgumentParser:
+    parser = argparse.ArgumentParser(description="Ein Bild löschen")
+    add_common_arguments(parser)
+    parser.add_argument("--route-id", type=int)
+    parser.add_argument("--poi-id", type=int)
+    parser.add_argument("--picture-id", type=int)
+    return parser
+
+
+def main(argv: Sequence[str] | None = None):
+    args = build_parser().parse_args(argv)
     client = client_from_args(args)
     route_id = ask("Route-ID", args.route_id, required=True, cast=int)
     poi_id = ask("POI-ID", args.poi_id, required=True, cast=int)
@@ -15,4 +25,7 @@ def action():
     if not confirm(f"Bild {picture_id} löschen?"):
         return {"cancelled": True}
     return client.request("DELETE", f"/api/routes/{route_id}/pois/{poi_id}/pictures/{picture_id}")
-run(action)
+
+
+if __name__ == "__main__":
+    run(main)