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Introduction of SPCsvLoader to load special phrases from a csv file

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This commit is contained in:
AntoJvlt
2021-05-10 23:09:00 +02:00
parent 00959fac57
commit 9d83da830f
6 changed files with 91 additions and 27 deletions
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41
nominatim/clicmd/special_phrases.py
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@@ -2,11 +2,12 @@
Implementation of the 'special-phrases' command.
"""
import logging
from nominatim.errors import UsageError
from pathlib import Path
from nominatim.tools import SPWikiLoader
from nominatim.tools import SPImporter
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()
@@ -24,23 +25,33 @@ class ImportSpecialPhrases:
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('--csv-file', metavar='FILE',
help='CSV file containing phrases to import.')
group.add_argument('--import-from-csv', metavar='FILE',
help='Import special phrases from a CSV file.')
@staticmethod
def run(args):
from ..tokenizer import factory as tokenizer_factory
if args.import_from_wiki:
tokenizer = tokenizer_factory.get_tokenizer_for_db(args.config)
with connect(args.config.get_libpq_dsn()) as db_connection:
SPImporter(
args.config, args.phplib_dir, db_connection, SPWikiLoader(args.config)
).import_phrases(tokenizer)
ImportSpecialPhrases.start_import(args, SPWikiLoader(args.config))
if args.csv_file:
if not Path(args.csv_file).is_file():
LOG.fatal("CSV file '%s' does not exist.", args.csv_file)
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
SPLoader and then start the import of special phrases.
"""
from ..tokenizer import factory as tokenizer_factory
tokenizer = tokenizer_factory.get_tokenizer_for_db(args.config)
with connect(args.config.get_libpq_dsn()) as db_connection:
SPImporter(
args.config, args.phplib_dir, db_connection, loader
).import_phrases(tokenizer)