Merge pull request #3362 from lonvia/find-postcode-areas

[nominatim.git] / nominatim / tools / add_osm_data.py

diff --git a/nominatim/tools/add_osm_data.py b/nominatim/tools/add_osm_data.py
index fa356673219bd5e02d2019a05ee70ef86ff1b7ab..1814b921e79dcaae29abddca708ba632872756f1 100644 (file)
--- a/nominatim/tools/add_osm_data.py
+++ b/nominatim/tools/add_osm_data.py
@@ -1,27 +1,46 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2022 by the Nominatim developer community.
+# For a full list of authors see the git log.
 """
 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
 
+from nominatim.db.connection import connect
 from nominatim.tools.exec_utils import run_osm2pgsql, get_url
 
 LOG = logging.getLogger()
 
-def add_data_from_file(fname, options):
+def _run_osm2pgsql(dsn: str, options: MutableMapping[str, Any]) -> None:
+    run_osm2pgsql(options)
+
+    # Handle deletions
+    with connect(dsn) as conn:
+        with conn.cursor() as cur:
+            cur.execute('SELECT flush_deleted_places()')
+        conn.commit()
+
+
+def add_data_from_file(dsn: str, 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.
     """
     options['import_file'] = Path(fname)
     options['append'] = True
-    run_osm2pgsql(options)
+    _run_osm2pgsql(dsn, options)
 
     # No status update. We don't know where the file came from.
     return 0
 
 
-def add_osm_object(osm_type, osm_id, use_main_api, options):
+def add_osm_object(dsn: str, osm_type: str, osm_id: int, use_main_api: bool,
+                   options: MutableMapping[str, Any]) -> int:
     """ Add or update a single OSM object from the latest version of the
         API.
     """
@@ -43,4 +62,6 @@ def add_osm_object(osm_type, osm_id, use_main_api, options):
     options['append'] = True
     options['import_data'] = get_url(base_url).encode('utf-8')
 
-    run_osm2pgsql(options)
+    _run_osm2pgsql(dsn, options)
+
+    return 0