mirror of
https://github.com/osm-search/Nominatim.git
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93 lines
3.3 KiB
Python
93 lines
3.3 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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Helper functions for executing external programs.
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"""
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from typing import Any, Mapping, IO
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import logging
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import os
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import subprocess
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import urllib.request as urlrequest
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from nominatim.typing import StrPath
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from nominatim.version import NOMINATIM_VERSION
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from nominatim.db.connection import get_pg_env
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LOG = logging.getLogger()
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def run_php_server(server_address: str, base_dir: StrPath) -> None:
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""" Run the built-in server from the given directory.
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"""
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subprocess.run(['/usr/bin/env', 'php', '-S', server_address],
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cwd=str(base_dir), check=True)
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def run_osm2pgsql(options: Mapping[str, Any]) -> None:
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""" Run osm2pgsql with the given options.
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"""
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env = get_pg_env(options['dsn'])
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cmd = [str(options['osm2pgsql']),
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'--hstore', '--latlon', '--slim',
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'--log-progress', 'true',
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'--number-processes', '1' if options['append'] else str(options['threads']),
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'--cache', str(options['osm2pgsql_cache']),
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'--style', str(options['osm2pgsql_style'])
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]
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if str(options['osm2pgsql_style']).endswith('.lua'):
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env['LUA_PATH'] = ';'.join((str(options['osm2pgsql_style_path'] / '?.lua'),
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os.environ.get('LUAPATH', ';')))
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cmd.extend(('--output', 'flex'))
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else:
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cmd.extend(('--output', 'gazetteer'))
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cmd.append('--append' if options['append'] else '--create')
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if options['flatnode_file']:
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cmd.extend(('--flat-nodes', options['flatnode_file']))
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for key, param in (('slim_data', '--tablespace-slim-data'),
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('slim_index', '--tablespace-slim-index'),
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('main_data', '--tablespace-main-data'),
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('main_index', '--tablespace-main-index')):
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if options['tablespaces'][key]:
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cmd.extend((param, options['tablespaces'][key]))
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if options['tablespaces']['main_data']:
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env['NOMINATIM_TABLESPACE_PLACE_DATA'] = options['tablespaces']['main_data']
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if options['tablespaces']['main_index']:
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env['NOMINATIM_TABLESPACE_PLACE_INDEX'] = options['tablespaces']['main_index']
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if options.get('disable_jit', False):
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env['PGOPTIONS'] = '-c jit=off -c max_parallel_workers_per_gather=0'
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if 'import_data' in options:
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cmd.extend(('-r', 'xml', '-'))
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elif isinstance(options['import_file'], list):
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for fname in options['import_file']:
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cmd.append(str(fname))
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else:
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cmd.append(str(options['import_file']))
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subprocess.run(cmd, cwd=options.get('cwd', '.'),
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input=options.get('import_data'),
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env=env, check=True)
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def get_url(url: str) -> str:
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""" Get the contents from the given URL and return it as a UTF-8 string.
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"""
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headers = {"User-Agent": f"Nominatim/{NOMINATIM_VERSION!s}"}
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try:
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request = urlrequest.Request(url, headers=headers)
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with urlrequest.urlopen(request) as response: # type: IO[bytes]
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return response.read().decode('utf-8')
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except Exception:
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LOG.fatal('Failed to load URL: %s', url)
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raise
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