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44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
# SPDX-License-Identifier: GPL-2.0-only
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2022 by the Nominatim developer community.
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# For a full list of authors see the git log.
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"""
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Implementation of the 'freeze' subcommand.
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"""
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import argparse
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from nominatim.db.connection import connect
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from nominatim.clicmd.args import NominatimArgs
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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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class SetupFreeze:
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"""\
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Make database read-only.
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About half of data in the Nominatim database is kept only to be able to
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keep the data up-to-date with new changes made in OpenStreetMap. This
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command drops all this data and only keeps the part needed for geocoding
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itself.
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This command has the same effect as the `--no-updates` option for imports.
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"""
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def add_args(self, parser: argparse.ArgumentParser) -> None:
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pass # No options
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def run(self, args: NominatimArgs) -> int:
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from ..tools import freeze
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with connect(args.config.get_libpq_dsn()) as conn:
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freeze.drop_update_tables(conn)
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freeze.drop_flatnode_file(args.config.get_path('FLATNODE_FILE'))
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return 0
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