"""
Implementation of 'refresh' subcommand.
"""
+from argparse import ArgumentTypeError
import logging
from pathlib import Path
LOG = logging.getLogger()
+def _parse_osm_object(obj):
+ """ Parse the given argument into a tuple of OSM type and ID.
+ Raises an ArgumentError if the format is not recognized.
+ """
+ if len(obj) < 2 or obj[0].lower() not in 'nrw' or not obj[1:].isdigit():
+ raise ArgumentTypeError("Cannot parse OSM ID. Expect format: [N|W|R]<id>.")
+
+ return (obj[0].upper(), int(obj[1:]))
+
+
class UpdateRefresh:
"""\
Recompute auxiliary data used by the indexing process.
group = parser.add_argument_group('Data arguments')
group.add_argument('--postcodes', action='store_true',
help='Update postcode centroid table')
+ group.add_argument('--word-tokens', action='store_true',
+ help='Clean up search terms')
group.add_argument('--word-counts', action='store_true',
help='Compute frequency of full-word search terms')
group.add_argument('--address-levels', action='store_true',
help='Recompute place importances (expensive!)')
group.add_argument('--website', action='store_true',
help='Refresh the directory that serves the scripts for the web API')
+ group.add_argument('--data-object', action='append',
+ type=_parse_osm_object, metavar='OBJECT',
+ help='Mark the given OSM object as requiring an update'
+ ' (format: [NWR]<id>)')
+ group.add_argument('--data-area', action='append',
+ type=_parse_osm_object, metavar='OBJECT',
+ help='Mark the area around the given OSM object as requiring an update'
+ ' (format: [NWR]<id>)')
+
group = parser.add_argument_group('Arguments for function refresh')
group.add_argument('--no-diff-updates', action='store_false', dest='diffs',
help='Do not enable code for propagating updates')
help='Enable debug warning statements in functions')
- def run(self, args):
+ def run(self, args): #pylint: disable=too-many-branches
from ..tools import refresh, postcodes
from ..indexer.indexer import Indexer
LOG.error("The place table doesn't exist. "
"Postcode updates on a frozen database is not possible.")
+ if args.word_tokens:
+ LOG.warning('Updating word tokens')
+ tokenizer = self._get_tokenizer(args.config)
+ tokenizer.update_word_tokens()
+
if args.word_counts:
LOG.warning('Recompute word statistics')
self._get_tokenizer(args.config).update_statistics()
if args.website:
webdir = args.project_dir / 'website'
LOG.warning('Setting up website directory at %s', webdir)
+ # This is a little bit hacky: call the tokenizer setup, so that
+ # the tokenizer directory gets repopulated as well, in case it
+ # wasn't there yet.
+ self._get_tokenizer(args.config)
with connect(args.config.get_libpq_dsn()) as conn:
refresh.setup_website(webdir, args.config, conn)
+ if args.data_object or args.data_area:
+ with connect(args.config.get_libpq_dsn()) as conn:
+ for obj in args.data_object or []:
+ refresh.invalidate_osm_object(*obj, conn, recursive=False)
+ for obj in args.data_area or []:
+ refresh.invalidate_osm_object(*obj, conn, recursive=True)
+ conn.commit()
+
return 0