+# 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.db.connection import connect
+from nominatim.config import Configuration
+from nominatim.db.connection import connect, Connection
from nominatim.db import status, properties
-from nominatim.version import NOMINATIM_VERSION
+from nominatim.tokenizer.base import AbstractTokenizer
+from nominatim.version import version_str
+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):
+ def add_args(self, parser: argparse.ArgumentParser) -> None:
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',
+ group1 = group_name.add_mutually_exclusive_group(required=True)
+ group1.add_argument('--osm-file', metavar='FILE', action='append',
+ help='OSM file to be imported'
+ ' (repeat for importing multiple files)')
+ group1.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,
+ 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)')
- @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
+ 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.')
+ country_info.setup_country_config(args.config)
if args.continue_at is None:
+ files = args.get_osm_file_list()
+ if not files:
+ raise UsageError("No input files (use --osm-file).")
+
+ LOG.warning('Creating database')
database_import.setup_database_skeleton(args.config.get_libpq_dsn(),
- args.data_dir,
- args.no_partitions,
rouser=args.config.DATABASE_WEBUSER)
+ LOG.warning('Setting up country tables')
+ country_info.setup_country_tables(args.config.get_libpq_dsn(),
+ args.data_dir,
+ args.no_partitions)
+
LOG.warning('Importing OSM data file')
- database_import.import_osm_data(Path(args.osm_file),
+ database_import.import_osm_data(files,
args.osm2pgsql_options(0, 1),
drop=args.no_updates,
ignore_errors=args.ignore_errors)
- 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)
+ self._setup_tables(args.config, args.reverse_only)
LOG.warning('Importing wikipedia importance data')
data_path = Path(args.config.WIKIPEDIA_DATA_PATH or args.project_dir)
args.threads or psutil.cpu_count() or 1)
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':
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)
+ self._create_pending_index(conn, args.config.TABLESPACE_ADDRESS_INDEX)
LOG.warning('Indexing places')
- indexer = Indexer(args.config.get_libpq_dsn(),
+ indexer = Indexer(args.config.get_libpq_dsn(), tokenizer,
args.threads or psutil.cpu_count() or 1)
indexer.index_full(analyse=not args.index_noanalyse)
database_import.create_search_indices(conn, args.config,
drop=args.no_updates)
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()
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):
+ 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 is None or continue_at == 'load-data':
+ # (re)initialise the tokenizer data
+ return tokenizer_factory.create_tokenizer(config)
+
+ # just load the tokenizer
+ return tokenizer_factory.get_tokenizer_for_db(config)
+
+
+ def _create_pending_index(self, conn: Connection, tablespace: str) -> None:
""" Add a supporting index for finding places still to be indexed.
This index is normally created at the end of the import process
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))
+ cur.execute(f"""CREATE INDEX idx_placex_pendingsector
+ ON placex USING BTREE (rank_address,geometry_sector)
+ {tablespace} WHERE indexed_status > 0
+ """)
conn.commit()
+
+
+ def _finalize_database(self, dsn: str, offline: bool) -> None:
+ """ Determine the database date and set the status accordingly.
+ """
+ with connect(dsn) as conn:
+ if not offline:
+ 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)
+
+ properties.set_property(conn, 'database_version', version_str())
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