mirror of
https://github.com/osm-search/Nominatim.git
synced 2025-01-08 14:38:32 +03:00
146 lines
4.8 KiB
Python
146 lines
4.8 KiB
Python
"""
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Helper functions for executing external programs.
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"""
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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 urllib.parse import urlencode
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from psycopg2.extensions import parse_dsn
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from ..version import NOMINATIM_VERSION
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LOG = logging.getLogger()
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def run_legacy_script(script, *args, nominatim_env=None, throw_on_fail=False):
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""" Run a Nominatim PHP script with the given arguments.
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Returns the exit code of the script. If `throw_on_fail` is True
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then throw a `CalledProcessError` on a non-zero exit.
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"""
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cmd = ['/usr/bin/env', 'php', '-Cq',
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nominatim_env.phplib_dir / 'admin' / script]
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cmd.extend([str(a) for a in args])
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env = nominatim_env.config.get_os_env()
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env['NOMINATIM_DATADIR'] = str(nominatim_env.data_dir)
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env['NOMINATIM_SQLDIR'] = str(nominatim_env.sqllib_dir)
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env['NOMINATIM_CONFIGDIR'] = str(nominatim_env.config_dir)
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env['NOMINATIM_DATABASE_MODULE_SRC_PATH'] = nominatim_env.module_dir
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if not env['NOMINATIM_OSM2PGSQL_BINARY']:
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env['NOMINATIM_OSM2PGSQL_BINARY'] = nominatim_env.osm2pgsql_path
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proc = subprocess.run(cmd, cwd=str(nominatim_env.project_dir), env=env,
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check=throw_on_fail)
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return proc.returncode
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def run_api_script(endpoint, project_dir, extra_env=None, phpcgi_bin=None,
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params=None):
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""" Execute a Nominiatim API function.
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The function needs a project directory that contains the website
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directory with the scripts to be executed. The scripts will be run
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using php_cgi. Query parameters can be added as named arguments.
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Returns the exit code of the script.
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"""
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log = logging.getLogger()
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webdir = str(project_dir / 'website')
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query_string = urlencode(params or {})
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env = dict(QUERY_STRING=query_string,
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SCRIPT_NAME='/{}.php'.format(endpoint),
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REQUEST_URI='/{}.php?{}'.format(endpoint, query_string),
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CONTEXT_DOCUMENT_ROOT=webdir,
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SCRIPT_FILENAME='{}/{}.php'.format(webdir, endpoint),
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HTTP_HOST='localhost',
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HTTP_USER_AGENT='nominatim-tool',
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REMOTE_ADDR='0.0.0.0',
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DOCUMENT_ROOT=webdir,
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REQUEST_METHOD='GET',
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SERVER_PROTOCOL='HTTP/1.1',
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GATEWAY_INTERFACE='CGI/1.1',
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REDIRECT_STATUS='CGI')
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if extra_env:
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env.update(extra_env)
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if phpcgi_bin is None:
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cmd = ['/usr/bin/env', 'php-cgi']
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else:
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cmd = [str(phpcgi_bin)]
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proc = subprocess.run(cmd, cwd=str(project_dir), env=env, capture_output=True,
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check=False)
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if proc.returncode != 0 or proc.stderr:
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if proc.stderr:
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log.error(proc.stderr.decode('utf-8').replace('\\n', '\n'))
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else:
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log.error(proc.stdout.decode('utf-8').replace('\\n', '\n'))
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return proc.returncode or 1
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result = proc.stdout.decode('utf-8')
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content_start = result.find('\r\n\r\n')
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print(result[content_start + 4:].replace('\\n', '\n'))
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return 0
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def run_php_server(server_address, base_dir):
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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):
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""" Run osm2pgsql with the given options.
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"""
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env = os.environ
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cmd = [options['osm2pgsql'],
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'--hstore', '--latlon', '--slim',
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'--with-forward-dependencies', 'false',
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'--log-progress', 'true',
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'--number-processes', str(options['threads']),
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'--cache', str(options['osm2pgsql_cache']),
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'--output', 'gazetteer',
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'--style', str(options['osm2pgsql_style'])
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]
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if options['append']:
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cmd.append('--append')
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if options['flatnode_file']:
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cmd.extend(('--flat-nodes', options['flatnode_file']))
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dsn = parse_dsn(options['dsn'])
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if 'password' in dsn:
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env['PGPASSWORD'] = dsn['password']
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if 'dbname' in dsn:
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cmd.extend(('-d', dsn['dbname']))
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if 'user' in dsn:
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cmd.extend(('--username', dsn['user']))
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for param in ('host', 'port'):
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if param in dsn:
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cmd.extend(('--' + param, dsn[param]))
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cmd.append(str(options['import_file']))
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subprocess.run(cmd, cwd=options.get('cwd', '.'), env=env, check=True)
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def get_url(url):
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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" : "Nominatim/" + NOMINATIM_VERSION}
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try:
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with urlrequest.urlopen(urlrequest.Request(url, headers=headers)) as response:
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return response.read().decode('utf-8')
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except:
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LOG.fatal('Failed to load URL: %s', url)
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raise
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