Nominatim/nominatim/clicmd/special_phrases.py

61 lines
2.3 KiB
Python

"""
Implementation of the 'special-phrases' command.
"""
import logging
from pathlib import Path
from nominatim.errors import UsageError
from nominatim.db.connection import connect
from nominatim.tools.special_phrases.sp_importer import SPImporter
from nominatim.tools.special_phrases.sp_wiki_loader import SPWikiLoader
from nominatim.tools.special_phrases.sp_csv_loader import SPCsvLoader
LOG = logging.getLogger()
# 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 ImportSpecialPhrases:
"""\
Import special phrases.
"""
@staticmethod
def add_args(parser):
group = parser.add_argument_group('Input arguments')
group.add_argument('--import-from-wiki', action='store_true',
help='Import special phrases from the OSM wiki to the database.')
group.add_argument('--import-from-csv', metavar='FILE',
help='Import special phrases from a CSV file.')
group.add_argument('--no-replace', action='store_true',
help='Keep the old phrases and only add the new ones.')
@staticmethod
def run(args):
if args.import_from_wiki:
ImportSpecialPhrases.start_import(args, SPWikiLoader(args.config))
if args.import_from_csv:
if not Path(args.import_from_csv).is_file():
LOG.fatal("CSV file '%s' does not exist.", args.import_from_csv)
raise UsageError('Cannot access file.')
ImportSpecialPhrases.start_import(args, SPCsvLoader(args.import_from_csv))
return 0
@staticmethod
def start_import(args, loader):
"""
Create the SPImporter object containing the right
sp loader and then start the import of special phrases.
"""
from ..tokenizer import factory as tokenizer_factory
tokenizer = tokenizer_factory.get_tokenizer_for_db(args.config)
should_replace = not args.no_replace
with connect(args.config.get_libpq_dsn()) as db_connection:
SPImporter(
args.config, args.phplib_dir, db_connection, loader
).import_phrases(tokenizer, should_replace)