fixed sonarqube scan issues

tools/python/update_route.py

@@ -1,17 +1,26 @@
 #!/usr/bin/env python3
+"""Ändert Routendaten und ersetzt optional die GPX-Datei."""
+
 import argparse
+from collections.abc import Sequence
+
 from common import add_common_arguments, ask, ask_path, ask_with_default, client_from_args, run
 
-parser = argparse.ArgumentParser(description="Wegwichtel-Route ändern")
-add_common_arguments(parser)
-parser.add_argument("--route-id", type=int)
-parser.add_argument("--gpx")
-args = parser.parse_args()
 
-def action():
+def build_parser() -> argparse.ArgumentParser:
+    parser = argparse.ArgumentParser(description="Wegwichtel-Route ändern")
+    add_common_arguments(parser)
+    parser.add_argument("--route-id", type=int)
+    parser.add_argument("--gpx")
+    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)
-    current = client.request("GET", f"/api/routes/{route_id}")
+    path = f"/api/routes/{route_id}"
+    current = client.request("GET", path)
     fields = {
         "name": ask_with_default("Name", current.get("name", "")),
         "description": ask_with_default("Beschreibung", current.get("description", "")),
@@ -19,6 +28,9 @@ def action():
     }
     gpx = ask_path("Neue GPX-Datei (leer: unverändert)", args.gpx, required=False)
     if gpx:
-        return client.request("PUT", f"/api/routes/{route_id}", fields=fields, files={"gpx": gpx})
-    return client.request("PUT", f"/api/routes/{route_id}", json_body=fields)
-run(action)
+        return client.request("PUT", path, fields=fields, files={"gpx": gpx})
+    return client.request("PUT", path, json_body=fields)
+
+
+if __name__ == "__main__":
+    run(main)