Nominatim/nominatim/clicmd/index.py
Sarah Hoffmann 195f9f5ef3 split cli.py by subcommands
Reduces file size below 1000 lines.
2021-02-08 17:23:05 +01:00

59 lines
1.9 KiB
Python

"""
Implementation of the 'index' subcommand.
"""
import os
from ..db import status
from ..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
def _num_system_cpus():
try:
cpus = len(os.sched_getaffinity(0))
except NotImplementedError:
cpus = None
return cpus or os.cpu_count()
class UpdateIndex:
"""\
Reindex all new and modified data.
"""
@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
indexer = Indexer(args.config.get_libpq_dsn(),
args.threads or _num_system_cpus() 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:
conn = connect(args.config.get_libpq_dsn())
status.set_indexed(conn, True)
conn.close()
return 0