X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/3206bf59df0213d24bd3e11df7dd2abaebf89911..6b55ab5581a3f6541d16fb7544ce8fd57dc2a673:/nominatim/tools/refresh.py

diff --git a/nominatim/tools/refresh.py b/nominatim/tools/refresh.py
index 25a97127..8c1e9d9b 100644
--- a/nominatim/tools/refresh.py
+++ b/nominatim/tools/refresh.py
@@ -1,26 +1,31 @@
+# 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.
 """
 Functions for bringing auxiliary data in the database up-to-date.
 """
-import json
+from typing import MutableSequence, Tuple, Any, Type, Mapping, Sequence, List, cast
 import logging
 from textwrap import dedent
+from pathlib import Path
 
-from psycopg2.extras import execute_values
+from psycopg2 import sql as pysql
 
+from nominatim.config import Configuration
+from nominatim.db.connection import Connection
 from nominatim.db.utils import execute_file
 from nominatim.db.sql_preprocessor import SQLPreprocessor
-from nominatim.version import NOMINATIM_VERSION
+from nominatim.version import version_str
 
 LOG = logging.getLogger()
 
+OSM_TYPE = {'N': 'node', 'W': 'way', 'R': 'relation'}
 
-def recompute_word_counts(dsn, sql_dir):
-    """ Compute the frequency of full-word search terms.
-    """
-    execute_file(dsn, sql_dir / 'words_from_search_name.sql')
-
-
-def _add_address_level_rows_from_entry(rows, entry):
+def _add_address_level_rows_from_entry(rows: MutableSequence[Tuple[Any, ...]],
+                                       entry: Mapping[str, Any]) -> None:
     """ Converts a single entry from the JSON format for address rank
         descriptions into a flat format suitable for inserting into a
         PostgreSQL table and adds these lines to `rows`.
@@ -37,41 +42,51 @@ def _add_address_level_rows_from_entry(rows, entry):
             for country in countries:
                 rows.append((country, key, value, rank_search, rank_address))
 
-def load_address_levels(conn, table, levels):
+
+def load_address_levels(conn: Connection, table: str, levels: Sequence[Mapping[str, Any]]) -> None:
     """ Replace the `address_levels` table with the contents of `levels'.
 
         A new table is created any previously existing table is dropped.
         The table has the following columns:
             country, class, type, rank_search, rank_address
     """
-    rows = []
+    rows: List[Tuple[Any, ...]]  = []
     for entry in levels:
         _add_address_level_rows_from_entry(rows, entry)
 
     with conn.cursor() as cur:
-        cur.execute('DROP TABLE IF EXISTS {}'.format(table))
+        cur.drop_table(table)
 
-        cur.execute("""CREATE TABLE {} (country_code varchar(2),
+        cur.execute(pysql.SQL("""CREATE TABLE {} (
+                                        country_code varchar(2),
                                         class TEXT,
                                         type TEXT,
                                         rank_search SMALLINT,
-                                        rank_address SMALLINT)""".format(table))
+                                        rank_address SMALLINT)
+                              """).format(pysql.Identifier(table)))
 
-        execute_values(cur, "INSERT INTO {} VALUES %s".format(table), rows)
+        cur.execute_values(pysql.SQL("INSERT INTO {} VALUES %s")
+                           .format(pysql.Identifier(table)), rows)
 
-        cur.execute('CREATE UNIQUE INDEX ON {} (country_code, class, type)'.format(table))
+        cur.execute(pysql.SQL('CREATE UNIQUE INDEX ON {} (country_code, class, type)')
+                    .format(pysql.Identifier(table)))
 
     conn.commit()
 
-def load_address_levels_from_file(conn, config_file):
-    """ Replace the `address_levels` table with the contents of the config
-        file.
+
+def load_address_levels_from_config(conn: Connection, config: Configuration) -> None:
+    """ Replace the `address_levels` table with the content as
+        defined in the given configuration. Uses the parameter
+        NOMINATIM_ADDRESS_LEVEL_CONFIG to determine the location of the
+        configuration file.
     """
-    with config_file.open('r') as fdesc:
-        load_address_levels(conn, 'address_levels', json.load(fdesc))
+    cfg = config.load_sub_configuration('', config='ADDRESS_LEVEL_CONFIG')
+    load_address_levels(conn, 'address_levels', cfg)
 
 
-def create_functions(conn, config, enable_diff_updates=True, enable_debug=False):
+def create_functions(conn: Connection, config: Configuration,
+                     enable_diff_updates: bool = True,
+                     enable_debug: bool = False) -> None:
     """ (Re)create the PL/pgSQL functions.
     """
     sql = SQLPreprocessor(conn, config)
@@ -97,7 +112,7 @@ PHP_CONST_DEFS = (
     ('Database_DSN', 'DATABASE_DSN', str),
     ('Default_Language', 'DEFAULT_LANGUAGE', str),
     ('Log_DB', 'LOG_DB', bool),
-    ('Log_File', 'LOG_FILE', str),
+    ('Log_File', 'LOG_FILE', Path),
     ('NoAccessControl', 'CORS_NOACCESSCONTROL', bool),
     ('Places_Max_ID_count', 'LOOKUP_MAX_COUNT', int),
     ('PolygonOutput_MaximumTypes', 'POLYGON_OUTPUT_MAX_TYPES', int),
@@ -108,10 +123,10 @@ PHP_CONST_DEFS = (
 )
 
 
-def import_wikipedia_articles(dsn, data_path, ignore_errors=False):
+def import_wikipedia_articles(dsn: str, data_path: Path, ignore_errors: bool = False) -> int:
     """ Replaces the wikipedia importance tables with new data.
         The import is run in a single transaction so that the new data
-        is replace seemlessly.
+        is replace seamlessly.
 
         Returns 0 if all was well and 1 if the importance file could not
         be found. Throws an exception if there was an error reading the file.
@@ -132,7 +147,7 @@ def import_wikipedia_articles(dsn, data_path, ignore_errors=False):
     return 0
 
 
-def recompute_importance(conn):
+def recompute_importance(conn: Connection) -> None:
     """ Recompute wikipedia links and importance for all entries in placex.
         This is a long-running operations that must not be executed in
         parallel with updates.
@@ -155,37 +170,49 @@ def recompute_importance(conn):
     conn.commit()
 
 
-def setup_website(basedir, config, conn):
+def _quote_php_variable(var_type: Type[Any], config: Configuration,
+                        conf_name: str) -> str:
+    if var_type == bool:
+        return 'true' if config.get_bool(conf_name) else 'false'
+
+    if var_type == int:
+        return cast(str, getattr(config, conf_name))
+
+    if not getattr(config, conf_name):
+        return 'false'
+
+    if var_type == Path:
+        value = str(config.get_path(conf_name) or '')
+    else:
+        value = getattr(config, conf_name)
+
+    quoted = value.replace("'", "\\'")
+    return f"'{quoted}'"
+
+
+def setup_website(basedir: Path, config: Configuration, conn: Connection) -> None:
     """ Create the website script stubs.
     """
     if not basedir.exists():
         LOG.info('Creating website directory.')
         basedir.mkdir()
 
-    template = dedent("""\
+    template = dedent(f"""\
                       <?php
 
                       @define('CONST_Debug', $_GET['debug'] ?? false);
-                      @define('CONST_LibDir', '{0}');
-                      @define('CONST_TokenizerDir', '{2}');
-                      @define('CONST_NominatimVersion', '{1[0]}.{1[1]}.{1[2]}-{1[3]}');
+                      @define('CONST_LibDir', '{config.lib_dir.php}');
+                      @define('CONST_TokenizerDir', '{config.project_dir / 'tokenizer'}');
+                      @define('CONST_NominatimVersion', '{version_str()}');
 
-                      """.format(config.lib_dir.php, NOMINATIM_VERSION,
-                                 config.project_dir / 'tokenizer'))
+                      """)
 
     for php_name, conf_name, var_type in PHP_CONST_DEFS:
-        if var_type == bool:
-            varout = 'true' if config.get_bool(conf_name) else 'false'
-        elif var_type == int:
-            varout = getattr(config, conf_name)
-        elif not getattr(config, conf_name):
-            varout = 'false'
-        else:
-            varout = "'{}'".format(getattr(config, conf_name).replace("'", "\\'"))
+        varout = _quote_php_variable(var_type, config, conf_name)
 
-        template += "@define('CONST_{}', {});\n".format(php_name, varout)
+        template += f"@define('CONST_{php_name}', {varout});\n"
 
-    template += "\nrequire_once('{}/website/{{}}');\n".format(config.lib_dir.php)
+    template += f"\nrequire_once('{config.lib_dir.php}/website/{{}}');\n"
 
     search_name_table_exists = bool(conn and conn.table_exists('search_name'))
 
@@ -194,3 +221,29 @@ def setup_website(basedir, config, conn):
             (basedir / script).write_text(template.format('reverse-only-search.php'), 'utf-8')
         else:
             (basedir / script).write_text(template.format(script), 'utf-8')
+
+
+def invalidate_osm_object(osm_type: str, osm_id: int, conn: Connection,
+                          recursive: bool = True) -> None:
+    """ Mark the given OSM object for reindexing. When 'recursive' is set
+        to True (the default), then all dependent objects are marked for
+        reindexing as well.
+
+        'osm_type' must be on of 'N' (node), 'W' (way) or 'R' (relation).
+        If the given object does not exist, then nothing happens.
+    """
+    assert osm_type in ('N', 'R', 'W')
+
+    LOG.warning("Invalidating OSM %s %s%s.",
+                OSM_TYPE[osm_type], osm_id,
+                ' and its dependent places' if recursive else '')
+
+    with conn.cursor() as cur:
+        if recursive:
+            sql = """SELECT place_force_update(place_id)
+                     FROM placex WHERE osm_type = %s and osm_id = %s"""
+        else:
+            sql = """UPDATE placex SET indexed_status = 2
+                     WHERE osm_type = %s and osm_id = %s"""
+
+        cur.execute(sql, (osm_type, osm_id))