1 # SPDX-License-Identifier: GPL-3.0-or-later
3 # This file is part of Nominatim. (https://nominatim.org)
5 # Copyright (C) 2024 by the Nominatim developer community.
6 # For a full list of authors see the git log.
8 Command-line interface to the Nominatim functions for import, update,
9 database administration and querying.
11 from typing import Optional, Any
18 from pathlib import Path
20 from .config import Configuration
21 from .errors import UsageError
24 from .clicmd.args import NominatimArgs, Subcommand
26 LOG = logging.getLogger()
28 class CommandlineParser:
29 """ Wraps some of the common functions for parsing the command line
30 and setting up subcommands.
32 def __init__(self, prog: str, description: Optional[str]):
33 self.parser = argparse.ArgumentParser(
35 description=description,
36 formatter_class=argparse.RawDescriptionHelpFormatter)
38 self.subs = self.parser.add_subparsers(title='available commands',
41 # Global arguments that only work if no sub-command given
42 self.parser.add_argument('--version', action='store_true',
43 help='Print Nominatim version and exit')
45 # Arguments added to every sub-command
46 self.default_args = argparse.ArgumentParser(add_help=False)
47 group = self.default_args.add_argument_group('Default arguments')
48 group.add_argument('-h', '--help', action='help',
49 help='Show this help message and exit')
50 group.add_argument('-q', '--quiet', action='store_const', const=0,
51 dest='verbose', default=1,
52 help='Print only error messages')
53 group.add_argument('-v', '--verbose', action='count', default=1,
54 help='Increase verboseness of output')
55 group.add_argument('--project-dir', metavar='DIR', default='.',
56 help='Base directory of the Nominatim installation (default:.)')
57 group.add_argument('-j', '--threads', metavar='NUM', type=int,
58 help='Number of parallel threads to use')
61 def nominatim_version_text(self) -> str:
62 """ Program name and version number as string
64 text = f'Nominatim version {version.NOMINATIM_VERSION!s}'
65 if version.GIT_COMMIT_HASH is not None:
66 text += f' ({version.GIT_COMMIT_HASH})'
70 def add_subcommand(self, name: str, cmd: Subcommand) -> None:
71 """ Add a subcommand to the parser. The subcommand must be a class
72 with a function add_args() that adds the parameters for the
73 subcommand and a run() function that executes the command.
75 assert cmd.__doc__ is not None
77 parser = self.subs.add_parser(name, parents=[self.default_args],
78 help=cmd.__doc__.split('\n', 1)[0],
79 description=cmd.__doc__,
80 formatter_class=argparse.RawDescriptionHelpFormatter,
82 parser.set_defaults(command=cmd)
86 def run(self, **kwargs: Any) -> int:
87 """ Parse the command line arguments of the program and execute the
88 appropriate subcommand.
90 args = NominatimArgs()
92 self.parser.parse_args(args=kwargs.get('cli_args'), namespace=args)
97 print(self.nominatim_version_text())
100 if args.subcommand is None:
101 self.parser.print_help()
104 args.project_dir = Path(args.project_dir).resolve()
106 if 'cli_args' not in kwargs:
107 logging.basicConfig(stream=sys.stderr,
108 format='%(asctime)s: %(message)s',
109 datefmt='%Y-%m-%d %H:%M:%S',
110 level=max(4 - args.verbose, 1) * 10)
112 args.config = Configuration(args.project_dir,
113 environ=kwargs.get('environ', os.environ))
114 args.config.set_libdirs(osm2pgsql=kwargs['osm2pgsql_path'])
116 log = logging.getLogger()
117 log.warning('Using project directory: %s', str(args.project_dir))
120 ret = args.command.run(args)
123 except UsageError as exception:
124 if log.isEnabledFor(logging.DEBUG):
125 raise # use Python's exception printing
126 log.fatal('FATAL: %s', exception)
128 # If we get here, then execution has failed in some way.
134 # Each class needs to implement two functions: add_args() adds the CLI parameters
135 # for the subfunction, run() executes the subcommand.
137 # The class documentation doubles as the help text for the command. The
138 # first line is also used in the summary when calling the program without
141 # No need to document the functions each time.
142 # pylint: disable=C0111
145 Start a simple web server for serving the API.
147 This command starts a built-in webserver to serve the website
148 from the current project directory. This webserver is only suitable
149 for testing and development. Do not use it in production setups!
151 There are two different webserver implementations for Python available:
152 falcon (the default) and starlette. You need to make sure the
153 appropriate Python packages as well as the uvicorn package are
154 installed to use this function.
156 By the default, the webserver can be accessed at: http://127.0.0.1:8088
159 def add_args(self, parser: argparse.ArgumentParser) -> None:
160 group = parser.add_argument_group('Server arguments')
161 group.add_argument('--server', default='127.0.0.1:8088',
162 help='The address the server will listen to.')
163 group.add_argument('--engine', default='falcon',
164 choices=('falcon', 'starlette'),
165 help='Webserver framework to run. (default: falcon)')
168 def run(self, args: NominatimArgs) -> int:
169 asyncio.run(self.run_uvicorn(args))
174 async def run_uvicorn(self, args: NominatimArgs) -> None:
175 import uvicorn # pylint: disable=import-outside-toplevel
177 server_info = args.server.split(':', 1)
178 host = server_info[0]
179 if len(server_info) > 1:
180 if not server_info[1].isdigit():
181 raise UsageError('Invalid format for --server parameter. Use <host>:<port>')
182 port = int(server_info[1])
186 server_module = importlib.import_module(f'nominatim_api.server.{args.engine}.server')
188 app = server_module.get_application(args.project_dir)
190 config = uvicorn.Config(app, host=host, port=port)
191 server = uvicorn.Server(config)
195 def get_set_parser() -> CommandlineParser:
197 Initializes the parser and adds various subcommands for
200 parser = CommandlineParser('nominatim', nominatim.__doc__)
202 parser.add_subcommand('import', clicmd.SetupAll())
203 parser.add_subcommand('freeze', clicmd.SetupFreeze())
204 parser.add_subcommand('replication', clicmd.UpdateReplication())
206 parser.add_subcommand('special-phrases', clicmd.ImportSpecialPhrases())
208 parser.add_subcommand('add-data', clicmd.UpdateAddData())
209 parser.add_subcommand('index', clicmd.UpdateIndex())
210 parser.add_subcommand('refresh', clicmd.UpdateRefresh())
212 parser.add_subcommand('admin', clicmd.AdminFuncs())
215 exportcmd = importlib.import_module('nominatim_db.clicmd.export')
216 apicmd = importlib.import_module('nominatim_db.clicmd.api')
217 convertcmd = importlib.import_module('nominatim_db.clicmd.convert')
219 parser.add_subcommand('export', exportcmd.QueryExport())
220 parser.add_subcommand('convert', convertcmd.ConvertDB())
221 parser.add_subcommand('serve', AdminServe())
223 parser.add_subcommand('search', apicmd.APISearch())
224 parser.add_subcommand('reverse', apicmd.APIReverse())
225 parser.add_subcommand('lookup', apicmd.APILookup())
226 parser.add_subcommand('details', apicmd.APIDetails())
227 parser.add_subcommand('status', apicmd.APIStatus())
228 except ModuleNotFoundError as ex:
229 if not ex.name or 'nominatim_api' not in ex.name: # pylint: disable=E1135
232 parser.parser.epilog = \
233 f'\n\nNominatim API package not found (was looking for module: {ex.name}).'\
234 '\nThe following commands are not available:'\
235 '\n export, convert, serve, search, reverse, lookup, details, status'\
236 "\n\nRun 'pip install nominatim-api' to install the package."
242 def nominatim(**kwargs: Any) -> int:
244 Command-line tools for importing, updating, administrating and
245 querying the Nominatim database.
247 return get_set_parser().run(**kwargs)