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

56 lines
2.1 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.
"""
Provides custom functions over command-line arguments.
"""
import logging
from pathlib import Path
from nominatim.errors import UsageError
LOG = logging.getLogger()
class NominatimArgs:
""" Customized namespace class for the nominatim command line tool
to receive the command-line arguments.
"""
def osm2pgsql_options(self, default_cache, default_threads):
""" Return the standard osm2pgsql options that can be derived
from the command line arguments. The resulting dict can be
further customized and then used in `run_osm2pgsql()`.
"""
return dict(osm2pgsql=self.config.OSM2PGSQL_BINARY or self.osm2pgsql_path,
osm2pgsql_cache=self.osm2pgsql_cache or default_cache,
osm2pgsql_style=self.config.get_import_style_file(),
threads=self.threads or default_threads,
dsn=self.config.get_libpq_dsn(),
flatnode_file=str(self.config.get_path('FLATNODE_FILE')),
tablespaces=dict(slim_data=self.config.TABLESPACE_OSM_DATA,
slim_index=self.config.TABLESPACE_OSM_INDEX,
main_data=self.config.TABLESPACE_PLACE_DATA,
main_index=self.config.TABLESPACE_PLACE_INDEX
)
)
def get_osm_file_list(self):
""" Return the --osm-file argument as a list of Paths or None
if no argument was given. The function also checks if the files
exist and raises a UsageError if one cannot be found.
"""
if not self.osm_file:
return None
files = [Path(f) for f in self.osm_file]
for fname in files:
if not fname.is_file():
LOG.fatal("OSM file '%s' does not exist.", fname)
raise UsageError('Cannot access file.')
return files