add type annotations to tool functions

nominatim/tools/add_osm_data.py

@@ -7,6 +7,7 @@
 """
 Function to add additional OSM data from a file or the API into the database.
 """
+from typing import Any, MutableMapping
 from pathlib import Path
 import logging
 import urllib
@@ -15,7 +16,7 @@ from nominatim.tools.exec_utils import run_osm2pgsql, get_url
 
 LOG = logging.getLogger()
 
-def add_data_from_file(fname, options):
+def add_data_from_file(fname: str, options: MutableMapping[str, Any]) -> int:
     """ Adds data from a OSM file to the database. The file may be a normal
         OSM file or a diff file in all formats supported by libosmium.
     """
@@ -27,7 +28,8 @@ def add_data_from_file(fname, options):
     return 0
 
 
-def add_osm_object(osm_type, osm_id, use_main_api, options):
+def add_osm_object(osm_type: str, osm_id: int, use_main_api: bool,
+                   options: MutableMapping[str, Any]) -> None:
     """ Add or update a single OSM object from the latest version of the
         API.
     """