add wsgi entry point for starlette

[nominatim.git] / nominatim / tools / exec_utils.py

diff --git a/nominatim/tools/exec_utils.py b/nominatim/tools/exec_utils.py
index b06b85336a1949b9397b39bfda318bba0829788b..566ac06edc57d4374b4979095866c64c1e959d60 100644 (file)
--- a/nominatim/tools/exec_utils.py
+++ b/nominatim/tools/exec_utils.py
@@ -7,41 +7,50 @@
 """
 Helper functions for executing external programs.
 """
+from typing import Any, Union, Optional, Mapping, IO
+from pathlib import Path
 import logging
+import os
 import subprocess
 import urllib.request as urlrequest
 from urllib.parse import urlencode
 
+from nominatim.config import Configuration
+from nominatim.typing import StrPath
 from nominatim.version import NOMINATIM_VERSION
 from nominatim.db.connection import get_pg_env
 
 LOG = logging.getLogger()
 
-def run_legacy_script(script, *args, nominatim_env=None, throw_on_fail=False):
+def run_legacy_script(script: StrPath, *args: Union[int, str],
+                      config: Configuration,
+                      throw_on_fail: bool = False) -> int:
     """ Run a Nominatim PHP script with the given arguments.
 
         Returns the exit code of the script. If `throw_on_fail` is True
         then throw a `CalledProcessError` on a non-zero exit.
     """
     cmd = ['/usr/bin/env', 'php', '-Cq',
-           str(nominatim_env.phplib_dir / 'admin' / script)]
+           str(config.lib_dir.php / 'admin' / script)]
     cmd.extend([str(a) for a in args])
 
-    env = nominatim_env.config.get_os_env()
-    env['NOMINATIM_DATADIR'] = str(nominatim_env.data_dir)
-    env['NOMINATIM_SQLDIR'] = str(nominatim_env.sqllib_dir)
-    env['NOMINATIM_CONFIGDIR'] = str(nominatim_env.config_dir)
-    env['NOMINATIM_DATABASE_MODULE_SRC_PATH'] = str(nominatim_env.module_dir)
+    env = config.get_os_env()
+    env['NOMINATIM_DATADIR'] = str(config.lib_dir.data)
+    env['NOMINATIM_SQLDIR'] = str(config.lib_dir.sql)
+    env['NOMINATIM_CONFIGDIR'] = str(config.config_dir)
+    env['NOMINATIM_DATABASE_MODULE_SRC_PATH'] = str(config.lib_dir.module)
     if not env['NOMINATIM_OSM2PGSQL_BINARY']:
-        env['NOMINATIM_OSM2PGSQL_BINARY'] = str(nominatim_env.osm2pgsql_path)
+        env['NOMINATIM_OSM2PGSQL_BINARY'] = str(config.lib_dir.osm2pgsql)
 
-    proc = subprocess.run(cmd, cwd=str(nominatim_env.project_dir), env=env,
+    proc = subprocess.run(cmd, cwd=str(config.project_dir), env=env,
                           check=throw_on_fail)
 
     return proc.returncode
 
-def run_api_script(endpoint, project_dir, extra_env=None, phpcgi_bin=None,
-                   params=None):
+def run_api_script(endpoint: str, project_dir: Path,
+                   extra_env: Optional[Mapping[str, str]] = None,
+                   phpcgi_bin: Optional[Path] = None,
+                   params: Optional[Mapping[str, Any]] = None) -> int:
     """ Execute a Nominatim API function.
 
         The function needs a project directory that contains the website
@@ -55,10 +64,10 @@ def run_api_script(endpoint, project_dir, extra_env=None, phpcgi_bin=None,
     query_string = urlencode(params or {})
 
     env = dict(QUERY_STRING=query_string,
-               SCRIPT_NAME='/{}.php'.format(endpoint),
-               REQUEST_URI='/{}.php?{}'.format(endpoint, query_string),
+               SCRIPT_NAME=f'/{endpoint}.php',
+               REQUEST_URI=f'/{endpoint}.php?{query_string}',
                CONTEXT_DOCUMENT_ROOT=webdir,
-               SCRIPT_FILENAME='{}/{}.php'.format(webdir, endpoint),
+               SCRIPT_FILENAME=f'{webdir}/{endpoint}.php',
                HTTP_HOST='localhost',
                HTTP_USER_AGENT='nominatim-tool',
                REMOTE_ADDR='0.0.0.0',
@@ -96,30 +105,33 @@ def run_api_script(endpoint, project_dir, extra_env=None, phpcgi_bin=None,
     return 0
 
 
-def run_php_server(server_address, base_dir):
+def run_php_server(server_address: str, base_dir: StrPath) -> None:
     """ Run the built-in server from the given directory.
     """
     subprocess.run(['/usr/bin/env', 'php', '-S', server_address],
                    cwd=str(base_dir), check=True)
 
 
-def run_osm2pgsql(options):
+def run_osm2pgsql(options: Mapping[str, Any]) -> None:
     """ Run osm2pgsql with the given options.
     """
     env = get_pg_env(options['dsn'])
     cmd = [str(options['osm2pgsql']),
            '--hstore', '--latlon', '--slim',
-           '--with-forward-dependencies', 'false',
            '--log-progress', 'true',
-           '--number-processes', str(options['threads']),
+           '--number-processes', '1' if options['append'] else str(options['threads']),
            '--cache', str(options['osm2pgsql_cache']),
-           '--output', 'gazetteer',
            '--style', str(options['osm2pgsql_style'])
           ]
-    if options['append']:
-        cmd.append('--append')
+
+    if str(options['osm2pgsql_style']).endswith('.lua'):
+        env['LUA_PATH'] = ';'.join((str(options['osm2pgsql_style_path'] / '?.lua'),
+                                    os.environ.get('LUAPATH', ';')))
+        cmd.extend(('--output', 'flex'))
     else:
-        cmd.append('--create')
+        cmd.extend(('--output', 'gazetteer'))
+
+    cmd.append('--append' if options['append'] else '--create')
 
     if options['flatnode_file']:
         cmd.extend(('--flat-nodes', options['flatnode_file']))
@@ -147,13 +159,14 @@ def run_osm2pgsql(options):
                    env=env, check=True)
 
 
-def get_url(url):
+def get_url(url: str) -> str:
     """ Get the contents from the given URL and return it as a UTF-8 string.
     """
-    headers = {"User-Agent": "Nominatim/{0[0]}.{0[1]}.{0[2]}-{0[3]}".format(NOMINATIM_VERSION)}
+    headers = {"User-Agent": f"Nominatim/{NOMINATIM_VERSION!s}"}
 
     try:
-        with urlrequest.urlopen(urlrequest.Request(url, headers=headers)) as response:
+        request = urlrequest.Request(url, headers=headers)
+        with urlrequest.urlopen(request) as response: # type: IO[bytes]
             return response.read().decode('utf-8')
     except Exception:
         LOG.fatal('Failed to load URL: %s', url)