X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/fbbdd31399da42b94188d9d4aa4f084efd4876a4..82970e2b4f4c5aed5fdd9c3bfc1016ee41afd55f:/nominatim/clicmd/setup.py diff --git a/nominatim/clicmd/setup.py b/nominatim/clicmd/setup.py index d8d953e3..ccd6bd78 100644 --- a/nominatim/clicmd/setup.py +++ b/nominatim/clicmd/setup.py @@ -1,174 +1,229 @@ +# 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. """ Implementation of the 'import' subcommand. """ +from typing import Optional +import argparse import logging from pathlib import Path import psutil +from nominatim.config import Configuration from nominatim.db.connection import connect from nominatim.db import status, properties +from nominatim.tokenizer.base import AbstractTokenizer from nominatim.version import NOMINATIM_VERSION +from nominatim.clicmd.args import NominatimArgs from nominatim.errors import UsageError # Do not repeat documentation of subcommand classes. # pylint: disable=C0111 # Using non-top-level imports to avoid eventually unused imports. -# pylint: disable=E0012,C0415 +# pylint: disable=C0415 LOG = logging.getLogger() class SetupAll: """\ Create a new Nominatim database from an OSM file. + + This sub-command sets up a new Nominatim database from scratch starting + with creating a new database in Postgresql. The user running this command + needs superuser rights on the database. """ - @staticmethod - def add_args(parser): - group_name = parser.add_argument_group('Required arguments') - group = group_name.add_mutually_exclusive_group(required=True) - group.add_argument('--osm-file', metavar='FILE', - help='OSM file to be imported.') - group.add_argument('--continue', dest='continue_at', - choices=['load-data', 'indexing', 'db-postprocess'], - help='Continue an import that was interrupted') - group = parser.add_argument_group('Optional arguments') - group.add_argument('--osm2pgsql-cache', metavar='SIZE', type=int, + def add_args(self, parser: argparse.ArgumentParser) -> None: + group1 = parser.add_argument_group('Required arguments') + group1.add_argument('--osm-file', metavar='FILE', action='append', + help='OSM file to be imported' + ' (repeat for importing multiple files)', + default=None) + group1.add_argument('--continue', dest='continue_at', + choices=['import-from-file', 'load-data', 'indexing', 'db-postprocess'], + help='Continue an import that was interrupted', + default=None) + group2 = parser.add_argument_group('Optional arguments') + group2.add_argument('--osm2pgsql-cache', metavar='SIZE', type=int, help='Size of cache to be used by osm2pgsql (in MB)') - group.add_argument('--reverse-only', action='store_true', + group2.add_argument('--reverse-only', action='store_true', help='Do not create tables and indexes for searching') - group.add_argument('--no-partitions', action='store_true', + group2.add_argument('--no-partitions', action='store_true', help=("Do not partition search indices " "(speeds up import of single country extracts)")) - group.add_argument('--no-updates', action='store_true', + group2.add_argument('--no-updates', action='store_true', help="Do not keep tables that are only needed for " "updating the database later") - group = parser.add_argument_group('Expert options') - group.add_argument('--ignore-errors', action='store_true', + group2.add_argument('--offline', action='store_true', + help="Do not attempt to load any additional data from the internet") + group3 = parser.add_argument_group('Expert options') + group3.add_argument('--ignore-errors', action='store_true', help='Continue import even when errors in SQL are present') - group.add_argument('--index-noanalyse', action='store_true', - help='Do not perform analyse operations during index') + group3.add_argument('--index-noanalyse', action='store_true', + help='Do not perform analyse operations during index (expert only)') + group3.add_argument('--prepare-database', action='store_true', + help='Create the database but do not import any data') - @staticmethod - def run(args): # pylint: disable=too-many-statements - from ..tools import database_import - from ..tools import refresh + def run(self, args: NominatimArgs) -> int: # pylint: disable=too-many-statements, too-many-branches + from ..data import country_info + from ..tools import database_import, refresh, postcodes, freeze from ..indexer.indexer import Indexer - from ..tools import postcodes - from ..tokenizer import factory as tokenizer_factory - if args.osm_file and not Path(args.osm_file).is_file(): - LOG.fatal("OSM file '%s' does not exist.", args.osm_file) - raise UsageError('Cannot access file.') + num_threads = args.threads or psutil.cpu_count() or 1 - if args.continue_at is None: - database_import.setup_database_skeleton(args.config.get_libpq_dsn(), - args.data_dir, - args.no_partitions, - rouser=args.config.DATABASE_WEBUSER) + country_info.setup_country_config(args.config) - LOG.warning('Importing OSM data file') - database_import.import_osm_data(Path(args.osm_file), - args.osm2pgsql_options(0, 1), - drop=args.no_updates, - ignore_errors=args.ignore_errors) + if args.osm_file is None and args.continue_at is None and not args.prepare_database: + raise UsageError("No input files (use --osm-file).") - with connect(args.config.get_libpq_dsn()) as conn: - LOG.warning('Create functions (1st pass)') - refresh.create_functions(conn, args.config, False, False) - LOG.warning('Create tables') - database_import.create_tables(conn, args.config, - reverse_only=args.reverse_only) - refresh.load_address_levels_from_file(conn, Path(args.config.ADDRESS_LEVEL_CONFIG)) - LOG.warning('Create functions (2nd pass)') - refresh.create_functions(conn, args.config, False, False) - LOG.warning('Create table triggers') - database_import.create_table_triggers(conn, args.config) - LOG.warning('Create partition tables') - database_import.create_partition_tables(conn, args.config) - LOG.warning('Create functions (3rd pass)') - refresh.create_functions(conn, args.config, False, False) - - LOG.warning('Importing wikipedia importance data') - data_path = Path(args.config.WIKIPEDIA_DATA_PATH or args.project_dir) - if refresh.import_wikipedia_articles(args.config.get_libpq_dsn(), - data_path) > 0: - LOG.error('Wikipedia importance dump file not found. ' - 'Will be using default importances.') - - if args.continue_at is None or args.continue_at == 'load-data': + if args.osm_file is not None and args.continue_at not in ('import-from-file', None): + raise UsageError(f"Cannot use --continue {args.continue_at} and --osm-file together.") + + if args.continue_at is not None and args.prepare_database: + raise UsageError( + "Cannot use --continue and --prepare-database together." + ) + + + if args.prepare_database or args.continue_at is None: + LOG.warning('Creating database') + database_import.setup_database_skeleton(args.config.get_libpq_dsn(), + rouser=args.config.DATABASE_WEBUSER) + if args.prepare_database: + return 0 + + if args.continue_at in (None, 'import-from-file'): + files = args.get_osm_file_list() + if not files: + raise UsageError("No input files (use --osm-file).") + + if args.continue_at in ('import-from-file', None): + # Check if the correct plugins are installed + database_import.check_existing_database_plugins(args.config.get_libpq_dsn()) + LOG.warning('Setting up country tables') + country_info.setup_country_tables(args.config.get_libpq_dsn(), + args.config.lib_dir.data, + args.no_partitions) + + LOG.warning('Importing OSM data file') + database_import.import_osm_data(files, + args.osm2pgsql_options(0, 1), + drop=args.no_updates, + ignore_errors=args.ignore_errors) + + LOG.warning('Importing wikipedia importance data') + data_path = Path(args.config.WIKIPEDIA_DATA_PATH or args.project_dir) + if refresh.import_wikipedia_articles(args.config.get_libpq_dsn(), + data_path) > 0: + LOG.error('Wikipedia importance dump file not found. ' + 'Calculating importance values of locations will not ' + 'use Wikipedia importance data.') + + LOG.warning('Importing secondary importance raster data') + if refresh.import_secondary_importance(args.config.get_libpq_dsn(), + args.project_dir) != 0: + LOG.error('Secondary importance file not imported. ' + 'Falling back to default ranking.') + + self._setup_tables(args.config, args.reverse_only) + + if args.continue_at in ('import-from-file', 'load-data', None): LOG.warning('Initialise tables') with connect(args.config.get_libpq_dsn()) as conn: database_import.truncate_data_tables(conn) LOG.warning('Load data into placex table') - database_import.load_data(args.config.get_libpq_dsn(), - args.threads or psutil.cpu_count() or 1) + database_import.load_data(args.config.get_libpq_dsn(), num_threads) LOG.warning("Setting up tokenizer") - if args.continue_at is None or args.continue_at == 'load-data': - # (re)initialise the tokenizer data - tokenizer = tokenizer_factory.create_tokenizer(args.config) - else: - # just load the tokenizer - tokenizer = tokenizer_factory.get_tokenizer_for_db(args.config) + tokenizer = self._get_tokenizer(args.continue_at, args.config) - if args.continue_at is None or args.continue_at == 'load-data': + if args.continue_at in ('import-from-file', 'load-data', None): LOG.warning('Calculate postcodes') - postcodes.import_postcodes(args.config.get_libpq_dsn(), args.project_dir) + postcodes.update_postcodes(args.config.get_libpq_dsn(), + args.project_dir, tokenizer) - if args.continue_at is None or args.continue_at in ('load-data', 'indexing'): - if args.continue_at is not None and args.continue_at != 'load-data': - with connect(args.config.get_libpq_dsn()) as conn: - SetupAll._create_pending_index(conn, args.config.TABLESPACE_ADDRESS_INDEX) + if args.continue_at in \ + ('import-from-file', 'load-data', 'indexing', None): LOG.warning('Indexing places') - indexer = Indexer(args.config.get_libpq_dsn(), - args.threads or psutil.cpu_count() or 1) + indexer = Indexer(args.config.get_libpq_dsn(), tokenizer, num_threads) indexer.index_full(analyse=not args.index_noanalyse) LOG.warning('Post-process tables') with connect(args.config.get_libpq_dsn()) as conn: database_import.create_search_indices(conn, args.config, - drop=args.no_updates) + drop=args.no_updates, + threads=num_threads) LOG.warning('Create search index for default country names.') - database_import.create_country_names(conn, args.config) + country_info.create_country_names(conn, tokenizer, + args.config.get_str_list('LANGUAGES')) + if args.no_updates: + freeze.drop_update_tables(conn) + tokenizer.finalize_import(args.config) + + LOG.warning('Recompute word counts') + tokenizer.update_statistics(args.config, threads=num_threads) webdir = args.project_dir / 'website' LOG.warning('Setup website at %s', webdir) - refresh.setup_website(webdir, args.config) - with connect(args.config.get_libpq_dsn()) as conn: - try: - dbdate = status.compute_database_date(conn) - status.set_status(conn, dbdate) - LOG.info('Database is at %s.', dbdate) - except Exception as exc: # pylint: disable=broad-except - LOG.error('Cannot determine date of database: %s', exc) + refresh.setup_website(webdir, args.config, conn) - properties.set_property(conn, 'database_version', - '{0[0]}.{0[1]}.{0[2]}-{0[3]}'.format(NOMINATIM_VERSION)) + self._finalize_database(args.config.get_libpq_dsn(), args.offline) return 0 - @staticmethod - def _create_pending_index(conn, tablespace): - """ Add a supporting index for finding places still to be indexed. + def _setup_tables(self, config: Configuration, reverse_only: bool) -> None: + """ Set up the basic database layout: tables, indexes and functions. + """ + from ..tools import database_import, refresh + + with connect(config.get_libpq_dsn()) as conn: + LOG.warning('Create functions (1st pass)') + refresh.create_functions(conn, config, False, False) + LOG.warning('Create tables') + database_import.create_tables(conn, config, reverse_only=reverse_only) + refresh.load_address_levels_from_config(conn, config) + LOG.warning('Create functions (2nd pass)') + refresh.create_functions(conn, config, False, False) + LOG.warning('Create table triggers') + database_import.create_table_triggers(conn, config) + LOG.warning('Create partition tables') + database_import.create_partition_tables(conn, config) + LOG.warning('Create functions (3rd pass)') + refresh.create_functions(conn, config, False, False) + + + def _get_tokenizer(self, continue_at: Optional[str], + config: Configuration) -> AbstractTokenizer: + """ Set up a new tokenizer or load an already initialised one. + """ + from ..tokenizer import factory as tokenizer_factory + + if continue_at in ('import-from-file', 'load-data', None): + # (re)initialise the tokenizer data + return tokenizer_factory.create_tokenizer(config) + + # just load the tokenizer + return tokenizer_factory.get_tokenizer_for_db(config) + - This index is normally created at the end of the import process - for later updates. When indexing was partially done, then this - index can greatly improve speed going through already indexed data. + def _finalize_database(self, dsn: str, offline: bool) -> None: + """ Determine the database date and set the status accordingly. """ - if conn.index_exists('idx_placex_pendingsector'): - return - - with conn.cursor() as cur: - LOG.warning('Creating support index') - if tablespace: - tablespace = 'TABLESPACE ' + tablespace - cur.execute("""CREATE INDEX idx_placex_pendingsector - ON placex USING BTREE (rank_address,geometry_sector) - {} WHERE indexed_status > 0 - """.format(tablespace)) - conn.commit() + with connect(dsn) as conn: + properties.set_property(conn, 'database_version', str(NOMINATIM_VERSION)) + + try: + dbdate = status.compute_database_date(conn, offline) + status.set_status(conn, dbdate) + LOG.info('Database is at %s.', dbdate) + except Exception as exc: # pylint: disable=broad-except + LOG.error('Cannot determine date of database: %s', exc)