Extend stops to DACH-region

stops_import.py

@@ -1,8 +1,8 @@
-"""Load the checked-in Austrian stop snapshot into the ``stops`` table.
+"""Load the checked-in DACH stop snapshot into the ``stops`` table.
 
-The snapshot (data/stops_at.csv.gz) is produced by scripts/fetch_stops.py from
-OpenStreetMap data (© OpenStreetMap contributors, ODbL). Importing needs no
-network access.
+The snapshot (data/stops_dach.csv.gz) is produced by scripts/fetch_stops.py
+from OpenStreetMap data (© OpenStreetMap contributors, ODbL) for Austria,
+Germany and Switzerland. Importing needs no network access.
 
     flask import-stops              # import the checked-in snapshot
     flask import-stops --file X     # import an alternative CSV(.gz)
@@ -21,7 +21,7 @@ from flask.cli import with_appcontext
 
 from models import Stop, Trip, db
 
-SNAPSHOT_PATH = Path(__file__).resolve().parent / "data" / "stops_at.csv.gz"
+SNAPSHOT_PATH = Path(__file__).resolve().parent / "data" / "stops_dach.csv.gz"
 
 
 def normalize_name(value: str) -> str:
@@ -69,6 +69,7 @@ def import_stops(path: Path | str = SNAPSHOT_PATH) -> dict[str, int]:
             name=name,
             name_normalized=normalize_name(name),
             stop_type=row["stop_type"] or "other",
+            country=(row.get("country") or "AT").strip().upper(),
             municipality=(row.get("municipality") or "").strip() or None,
             latitude=float(row["latitude"]),
             longitude=float(row["longitude"]),
@@ -120,7 +121,7 @@ def import_stops(path: Path | str = SNAPSHOT_PATH) -> dict[str, int]:
 )
 @with_appcontext
 def import_stops_command(file_path: str | None) -> None:
-    """Import Austrian public-transport stops into the database."""
+    """Import DACH public-transport stops into the database."""
     stats = import_stops(file_path or SNAPSHOT_PATH)
     click.echo(
         "Stops imported: "