1 # SPDX-License-Identifier: GPL-2.0-only
3 # This file is part of Nominatim. (https://nominatim.org)
5 # Copyright (C) 2022 by the Nominatim developer community.
6 # For a full list of authors see the git log.
8 Helper functions for executing external programs.
10 from typing import Any, Mapping, IO
14 import urllib.request as urlrequest
16 from nominatim.typing import StrPath
17 from nominatim.version import NOMINATIM_VERSION
18 from nominatim.db.connection import get_pg_env
20 LOG = logging.getLogger()
22 def run_php_server(server_address: str, base_dir: StrPath) -> None:
23 """ Run the built-in server from the given directory.
25 subprocess.run(['/usr/bin/env', 'php', '-S', server_address],
26 cwd=str(base_dir), check=True)
29 def run_osm2pgsql(options: Mapping[str, Any]) -> None:
30 """ Run osm2pgsql with the given options.
32 env = get_pg_env(options['dsn'])
33 cmd = [str(options['osm2pgsql']),
34 '--hstore', '--latlon', '--slim',
35 '--log-progress', 'true',
36 '--number-processes', '1' if options['append'] else str(options['threads']),
37 '--cache', str(options['osm2pgsql_cache']),
38 '--style', str(options['osm2pgsql_style'])
41 if str(options['osm2pgsql_style']).endswith('.lua'):
42 env['LUA_PATH'] = ';'.join((str(options['osm2pgsql_style_path'] / '?.lua'),
43 os.environ.get('LUAPATH', ';')))
44 cmd.extend(('--output', 'flex'))
46 cmd.extend(('--output', 'gazetteer'))
48 cmd.append('--append' if options['append'] else '--create')
50 if options['flatnode_file']:
51 cmd.extend(('--flat-nodes', options['flatnode_file']))
53 for key, param in (('slim_data', '--tablespace-slim-data'),
54 ('slim_index', '--tablespace-slim-index'),
55 ('main_data', '--tablespace-main-data'),
56 ('main_index', '--tablespace-main-index')):
57 if options['tablespaces'][key]:
58 cmd.extend((param, options['tablespaces'][key]))
60 if options.get('disable_jit', False):
61 env['PGOPTIONS'] = '-c jit=off -c max_parallel_workers_per_gather=0'
63 if 'import_data' in options:
64 cmd.extend(('-r', 'xml', '-'))
65 elif isinstance(options['import_file'], list):
66 for fname in options['import_file']:
67 cmd.append(str(fname))
69 cmd.append(str(options['import_file']))
71 subprocess.run(cmd, cwd=options.get('cwd', '.'),
72 input=options.get('import_data'),
76 def get_url(url: str) -> str:
77 """ Get the contents from the given URL and return it as a UTF-8 string.
79 headers = {"User-Agent": f"Nominatim/{NOMINATIM_VERSION!s}"}
82 request = urlrequest.Request(url, headers=headers)
83 with urlrequest.urlopen(request) as response: # type: IO[bytes]
84 return response.read().decode('utf-8')
86 LOG.fatal('Failed to load URL: %s', url)