Nominatim/nominatim/clicmd/index.py
2022-01-03 16:23:58 +01:00

64 lines
2.3 KiB
Python

# 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 'index' subcommand.
"""
import psutil
from nominatim.db import status
from nominatim.db.connection import connect
# Do not repeat documentation of subcommand classes.
# pylint: disable=C0111
# Using non-top-level imports to avoid eventually unused imports.
# pylint: disable=E0012,C0415
class UpdateIndex:
"""\
Reindex all new and modified data.
Indexing is the process of computing the address and search terms for
the places in the database. Every time data is added or changed, indexing
needs to be run. Imports and replication updates automatically take care
of indexing. For other cases, this function allows to run indexing manually.
"""
@staticmethod
def add_args(parser):
group = parser.add_argument_group('Filter arguments')
group.add_argument('--boundaries-only', action='store_true',
help="""Index only administrative boundaries.""")
group.add_argument('--no-boundaries', action='store_true',
help="""Index everything except administrative boundaries.""")
group.add_argument('--minrank', '-r', type=int, metavar='RANK', default=0,
help='Minimum/starting rank')
group.add_argument('--maxrank', '-R', type=int, metavar='RANK', default=30,
help='Maximum/finishing rank')
@staticmethod
def run(args):
from ..indexer.indexer import Indexer
from ..tokenizer import factory as tokenizer_factory
tokenizer = tokenizer_factory.get_tokenizer_for_db(args.config)
indexer = Indexer(args.config.get_libpq_dsn(), tokenizer,
args.threads or psutil.cpu_count() or 1)
if not args.no_boundaries:
indexer.index_boundaries(args.minrank, args.maxrank)
if not args.boundaries_only:
indexer.index_by_rank(args.minrank, args.maxrank)
if not args.no_boundaries and not args.boundaries_only \
and args.minrank == 0 and args.maxrank == 30:
with connect(args.config.get_libpq_dsn()) as conn:
status.set_indexed(conn, True)
return 0