+# 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.
"""
import psutil
-from ..tools.exec_utils import run_legacy_script
-from ..db.connection import connect
-from ..db import status, properties
-from ..version import NOMINATIM_VERSION
-from ..errors import UsageError
+from nominatim.db.connection import connect
+from nominatim.db import status, properties
+from nominatim.version import NOMINATIM_VERSION
# Do not repeat documentation of subcommand classes.
# pylint: disable=C0111
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('--osm-file', metavar='FILE', action='append',
+ help='OSM file to be imported'
+ ' (repeat for importing multiple files)')
group.add_argument('--continue', dest='continue_at',
choices=['load-data', 'indexing', 'db-postprocess'],
help='Continue an import that was interrupted')
group.add_argument('--reverse-only', action='store_true',
help='Do not create tables and indexes for searching')
group.add_argument('--no-partitions', action='store_true',
- help="""Do not partition search indices
- (speeds up import of single country extracts)""")
+ help=("Do not partition search indices "
+ "(speeds up import of single country extracts)"))
group.add_argument('--no-updates', action='store_true',
- help="""Do not keep tables that are only needed for
- updating the database later""")
+ 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',
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')
+ 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(args):
+ from ..tools import database_import, refresh, postcodes, freeze, country_info
from ..indexer.indexer import Indexer
- 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()
+
+ 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('Installing database module')
- with connect(args.config.get_libpq_dsn()) as conn:
- database_import.install_module(args.module_dir, args.project_dir,
- args.config.DATABASE_MODULE_PATH,
- conn=conn)
+ 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)
- LOG.warning('Create functions (1st pass)')
- with connect(args.config.get_libpq_dsn()) as conn:
- refresh.create_functions(conn, args.config, args.sqllib_dir,
- False, False)
-
- LOG.warning('Create tables')
- params = ['setup.php', '--create-tables', '--create-partition-tables']
- if args.reverse_only:
- params.append('--reverse-only')
- run_legacy_script(*params, nominatim_env=args,
- throw_on_fail=not args.ignore_errors)
-
- LOG.warning('Create functions (2nd pass)')
- with connect(args.config.get_libpq_dsn()) as conn:
- refresh.create_functions(conn, args.config, args.sqllib_dir,
- False, False)
+ SetupAll._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)
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':
LOG.warning('Initialise tables')
with connect(args.config.get_libpq_dsn()) as conn:
- database_import.truncate_data_tables(conn, args.config.MAX_WORD_FREQUENCY)
+ database_import.truncate_data_tables(conn)
- if args.continue_at is None or args.continue_at == 'load-data':
LOG.warning('Load data into placex table')
database_import.load_data(args.config.get_libpq_dsn(),
- args.data_dir,
args.threads or psutil.cpu_count() or 1)
+ LOG.warning("Setting up tokenizer")
+ tokenizer = SetupAll._get_tokenizer(args.continue_at, args.config)
+
+ if args.continue_at is None or args.continue_at == 'load-data':
LOG.warning('Calculate postcodes')
- run_legacy_script('setup.php', '--calculate-postcodes',
- nominatim_env=args, throw_on_fail=not args.ignore_errors)
+ 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)
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)
LOG.warning('Post-process tables')
- params = ['setup.php', '--create-search-indices', '--create-country-names']
- if args.no_updates:
- params.append('--drop')
- run_legacy_script(*params, nominatim_env=args, throw_on_fail=not args.ignore_errors)
+ with connect(args.config.get_libpq_dsn()) as conn:
+ database_import.create_search_indices(conn, args.config,
+ drop=args.no_updates)
+ LOG.warning('Create search index for default country names.')
+ country_info.create_country_names(conn, tokenizer,
+ args.config.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.phplib_dir, args.config)
-
with connect(args.config.get_libpq_dsn()) as conn:
+ refresh.setup_website(webdir, args.config, conn)
+
+ SetupAll._set_database_date(args.config.get_libpq_dsn())
+
+ return 0
+
+
+ @staticmethod
+ def _setup_tables(config, reverse_only):
+ """ 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)
+
+
+ @staticmethod
+ def _get_tokenizer(continue_at, config):
+ """ 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)
+
+ @staticmethod
+ def _create_pending_index(conn, tablespace):
+ """ Add a supporting index for finding places still to be indexed.
+
+ 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.
+ """
+ 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()
+
+
+ @staticmethod
+ def _set_database_date(dsn):
+ """ Determine the database date and set the status accordingly.
+ """
+ with connect(dsn) as conn:
try:
dbdate = status.compute_database_date(conn)
status.set_status(conn, dbdate)
properties.set_property(conn, 'database_version',
'{0[0]}.{0[1]}.{0[2]}-{0[3]}'.format(NOMINATIM_VERSION))
-
- return 0
projects / nominatim.git / blobdiff