mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-12-28 23:42:59 +03:00
115 lines
4.9 KiB
Python
115 lines
4.9 KiB
Python
"""
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Implementation of 'refresh' subcommand.
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"""
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import logging
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from pathlib import Path
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from nominatim.db.connection import connect
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# Do not repeat documentation of subcommand classes.
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# pylint: disable=C0111
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# Using non-top-level imports to avoid eventually unused imports.
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# pylint: disable=E0012,C0415
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LOG = logging.getLogger()
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class UpdateRefresh:
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"""\
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Recompute auxiliary data used by the indexing process.
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These functions must not be run in parallel with other update commands.
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"""
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def __init__(self):
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self.tokenizer = None
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@staticmethod
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def add_args(parser):
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group = parser.add_argument_group('Data arguments')
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group.add_argument('--postcodes', action='store_true',
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help='Update postcode centroid table')
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group.add_argument('--word-counts', action='store_true',
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help='Compute frequency of full-word search terms')
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group.add_argument('--address-levels', action='store_true',
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help='Reimport address level configuration')
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group.add_argument('--functions', action='store_true',
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help='Update the PL/pgSQL functions in the database')
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group.add_argument('--wiki-data', action='store_true',
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help='Update Wikipedia/data importance numbers.')
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group.add_argument('--importance', action='store_true',
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help='Recompute place importances (expensive!)')
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group.add_argument('--website', action='store_true',
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help='Refresh the directory that serves the scripts for the web API')
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group = parser.add_argument_group('Arguments for function refresh')
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group.add_argument('--no-diff-updates', action='store_false', dest='diffs',
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help='Do not enable code for propagating updates')
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group.add_argument('--enable-debug-statements', action='store_true',
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help='Enable debug warning statements in functions')
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def run(self, args):
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from ..tools import refresh, postcodes
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from ..indexer.indexer import Indexer
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if args.postcodes:
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if postcodes.can_compute(args.config.get_libpq_dsn()):
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LOG.warning("Update postcodes centroid")
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tokenizer = self._get_tokenizer(args.config)
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postcodes.update_postcodes(args.config.get_libpq_dsn(),
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args.project_dir, tokenizer)
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indexer = Indexer(args.config.get_libpq_dsn(), tokenizer,
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args.threads or 1)
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indexer.index_postcodes()
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else:
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LOG.error("The place table doesn't exist. "
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"Postcode updates on a frozen database is not possible.")
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if args.word_counts:
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LOG.warning('Recompute frequency of full-word search terms')
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refresh.recompute_word_counts(args.config.get_libpq_dsn(), args.sqllib_dir)
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if args.address_levels:
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cfg = Path(args.config.ADDRESS_LEVEL_CONFIG)
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LOG.warning('Updating address levels from %s', cfg)
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with connect(args.config.get_libpq_dsn()) as conn:
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refresh.load_address_levels_from_file(conn, cfg)
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if args.functions:
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LOG.warning('Create functions')
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with connect(args.config.get_libpq_dsn()) as conn:
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refresh.create_functions(conn, args.config,
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args.diffs, args.enable_debug_statements)
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self._get_tokenizer(args.config).update_sql_functions(args.config)
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if args.wiki_data:
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data_path = Path(args.config.WIKIPEDIA_DATA_PATH
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or args.project_dir)
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LOG.warning('Import wikipdia article importance from %s', data_path)
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if refresh.import_wikipedia_articles(args.config.get_libpq_dsn(),
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data_path) > 0:
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LOG.fatal('FATAL: Wikipedia importance dump file not found')
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return 1
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# Attention: importance MUST come after wiki data import.
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if args.importance:
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LOG.warning('Update importance values for database')
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with connect(args.config.get_libpq_dsn()) as conn:
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refresh.recompute_importance(conn)
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if args.website:
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webdir = args.project_dir / 'website'
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LOG.warning('Setting up website directory at %s', webdir)
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with connect(args.config.get_libpq_dsn()) as conn:
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refresh.setup_website(webdir, args.config, conn)
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return 0
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def _get_tokenizer(self, config):
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if self.tokenizer is None:
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from ..tokenizer import factory as tokenizer_factory
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self.tokenizer = tokenizer_factory.get_tokenizer_for_db(config)
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return self.tokenizer
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