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1 """
2 Command-line interface to the Nominatim functions for import, update,
3 database administration and querying.
4 """
5 import logging
6 import os
7 import sys
8 import argparse
9 from pathlib import Path
10
11 from nominatim.config import Configuration
12 from nominatim.tools.exec_utils import run_legacy_script, run_php_server
13 from nominatim.errors import UsageError
14 from nominatim import clicmd
15 from nominatim.clicmd.args import NominatimArgs
16 from nominatim.tools import tiger_data
17
18 LOG = logging.getLogger()
19
20
21 class CommandlineParser:
22     """ Wraps some of the common functions for parsing the command line
23         and setting up subcommands.
24     """
25     def __init__(self, prog, description):
26         self.parser = argparse.ArgumentParser(
27             prog=prog,
28             description=description,
29             formatter_class=argparse.RawDescriptionHelpFormatter)
30
31         self.subs = self.parser.add_subparsers(title='available commands',
32                                                dest='subcommand')
33
34         # Arguments added to every sub-command
35         self.default_args = argparse.ArgumentParser(add_help=False)
36         group = self.default_args.add_argument_group('Default arguments')
37         group.add_argument('-h', '--help', action='help',
38                            help='Show this help message and exit')
39         group.add_argument('-q', '--quiet', action='store_const', const=0,
40                            dest='verbose', default=1,
41                            help='Print only error messages')
42         group.add_argument('-v', '--verbose', action='count', default=1,
43                            help='Increase verboseness of output')
44         group.add_argument('--project-dir', metavar='DIR', default='.',
45                            help='Base directory of the Nominatim installation (default:.)')
46         group.add_argument('-j', '--threads', metavar='NUM', type=int,
47                            help='Number of parallel threads to use')
48
49
50     def add_subcommand(self, name, cmd):
51         """ Add a subcommand to the parser. The subcommand must be a class
52             with a function add_args() that adds the parameters for the
53             subcommand and a run() function that executes the command.
54         """
55         parser = self.subs.add_parser(name, parents=[self.default_args],
56                                       help=cmd.__doc__.split('\n', 1)[0],
57                                       description=cmd.__doc__,
58                                       formatter_class=argparse.RawDescriptionHelpFormatter,
59                                       add_help=False)
60         parser.set_defaults(command=cmd)
61         cmd.add_args(parser)
62
63     def run(self, **kwargs):
64         """ Parse the command line arguments of the program and execute the
65             appropriate subcommand.
66         """
67         args = NominatimArgs()
68         self.parser.parse_args(args=kwargs.get('cli_args'), namespace=args)
69
70         if args.subcommand is None:
71             self.parser.print_help()
72             return 1
73
74         for arg in ('module_dir', 'osm2pgsql_path', 'phplib_dir', 'sqllib_dir',
75                     'data_dir', 'config_dir', 'phpcgi_path'):
76             setattr(args, arg, Path(kwargs[arg]))
77         args.project_dir = Path(args.project_dir).resolve()
78
79         if 'cli_args' not in kwargs:
80             logging.basicConfig(stream=sys.stderr,
81                                 format='%(asctime)s: %(message)s',
82                                 datefmt='%Y-%m-%d %H:%M:%S',
83                                 level=max(4 - args.verbose, 1) * 10)
84
85         args.config = Configuration(args.project_dir, args.config_dir,
86                                     environ=kwargs.get('environ', os.environ))
87         args.config.set_libdirs(module=args.module_dir,
88                                 osm2pgsql=args.osm2pgsql_path,
89                                 php=args.phplib_dir,
90                                 sql=args.sqllib_dir,
91                                 data=args.data_dir)
92
93         log = logging.getLogger()
94         log.warning('Using project directory: %s', str(args.project_dir))
95
96         try:
97             return args.command.run(args)
98         except UsageError as exception:
99             if log.isEnabledFor(logging.DEBUG):
100                 raise # use Python's exception printing
101             log.fatal('FATAL: %s', exception)
102
103         # If we get here, then execution has failed in some way.
104         return 1
105
106
107 ##### Subcommand classes
108 #
109 # Each class needs to implement two functions: add_args() adds the CLI parameters
110 # for the subfunction, run() executes the subcommand.
111 #
112 # The class documentation doubles as the help text for the command. The
113 # first line is also used in the summary when calling the program without
114 # a subcommand.
115 #
116 # No need to document the functions each time.
117 # pylint: disable=C0111
118 # Using non-top-level imports to make pyosmium optional for replication only.
119 # pylint: disable=E0012,C0415
120 class UpdateAddData:
121     """\
122     Add additional data from a file or an online source.
123
124     Data is only imported, not indexed. You need to call `nominatim index`
125     to complete the process.
126     """
127
128     @staticmethod
129     def add_args(parser):
130         group_name = parser.add_argument_group('Source')
131         group = group_name.add_mutually_exclusive_group(required=True)
132         group.add_argument('--file', metavar='FILE',
133                            help='Import data from an OSM file')
134         group.add_argument('--diff', metavar='FILE',
135                            help='Import data from an OSM diff file')
136         group.add_argument('--node', metavar='ID', type=int,
137                            help='Import a single node from the API')
138         group.add_argument('--way', metavar='ID', type=int,
139                            help='Import a single way from the API')
140         group.add_argument('--relation', metavar='ID', type=int,
141                            help='Import a single relation from the API')
142         group.add_argument('--tiger-data', metavar='DIR',
143                            help='Add housenumbers from the US TIGER census database.')
144         group = parser.add_argument_group('Extra arguments')
145         group.add_argument('--use-main-api', action='store_true',
146                            help='Use OSM API instead of Overpass to download objects')
147
148     @staticmethod
149     def run(args):
150         if args.tiger_data:
151             return tiger_data.add_tiger_data(args.tiger_data,
152                                              args.config, args.threads or 1)
153
154         params = ['update.php']
155         if args.file:
156             params.extend(('--import-file', args.file))
157         elif args.diff:
158             params.extend(('--import-diff', args.diff))
159         elif args.node:
160             params.extend(('--import-node', args.node))
161         elif args.way:
162             params.extend(('--import-way', args.way))
163         elif args.relation:
164             params.extend(('--import-relation', args.relation))
165         if args.use_main_api:
166             params.append('--use-main-api')
167         return run_legacy_script(*params, nominatim_env=args)
168
169
170 class QueryExport:
171     """\
172     Export addresses as CSV file from the database.
173     """
174
175     @staticmethod
176     def add_args(parser):
177         group = parser.add_argument_group('Output arguments')
178         group.add_argument('--output-type', default='street',
179                            choices=('continent', 'country', 'state', 'county',
180                                     'city', 'suburb', 'street', 'path'),
181                            help='Type of places to output (default: street)')
182         group.add_argument('--output-format',
183                            default='street;suburb;city;county;state;country',
184                            help=("Semicolon-separated list of address types "
185                                  "(see --output-type). Multiple ranks can be "
186                                  "merged into one column by simply using a "
187                                  "comma-separated list."))
188         group.add_argument('--output-all-postcodes', action='store_true',
189                            help=("List all postcodes for address instead of "
190                                  "just the most likely one"))
191         group.add_argument('--language',
192                            help=("Preferred language for output "
193                                  "(use local name, if omitted)"))
194         group = parser.add_argument_group('Filter arguments')
195         group.add_argument('--restrict-to-country', metavar='COUNTRY_CODE',
196                            help='Export only objects within country')
197         group.add_argument('--restrict-to-osm-node', metavar='ID', type=int,
198                            help='Export only children of this OSM node')
199         group.add_argument('--restrict-to-osm-way', metavar='ID', type=int,
200                            help='Export only children of this OSM way')
201         group.add_argument('--restrict-to-osm-relation', metavar='ID', type=int,
202                            help='Export only children of this OSM relation')
203
204
205     @staticmethod
206     def run(args):
207         params = ['export.php',
208                   '--output-type', args.output_type,
209                   '--output-format', args.output_format]
210         if args.output_all_postcodes:
211             params.append('--output-all-postcodes')
212         if args.language:
213             params.extend(('--language', args.language))
214         if args.restrict_to_country:
215             params.extend(('--restrict-to-country', args.restrict_to_country))
216         if args.restrict_to_osm_node:
217             params.extend(('--restrict-to-osm-node', args.restrict_to_osm_node))
218         if args.restrict_to_osm_way:
219             params.extend(('--restrict-to-osm-way', args.restrict_to_osm_way))
220         if args.restrict_to_osm_relation:
221             params.extend(('--restrict-to-osm-relation', args.restrict_to_osm_relation))
222
223         return run_legacy_script(*params, nominatim_env=args)
224
225
226 class AdminServe:
227     """\
228     Start a simple web server for serving the API.
229
230     This command starts the built-in PHP webserver to serve the website
231     from the current project directory. This webserver is only suitable
232     for testing and develop. Do not use it in production setups!
233
234     By the default, the webserver can be accessed at: http://127.0.0.1:8088
235     """
236
237     @staticmethod
238     def add_args(parser):
239         group = parser.add_argument_group('Server arguments')
240         group.add_argument('--server', default='127.0.0.1:8088',
241                            help='The address the server will listen to.')
242
243     @staticmethod
244     def run(args):
245         run_php_server(args.server, args.project_dir / 'website')
246
247 def get_set_parser(**kwargs):
248     """\
249     Initializes the parser and adds various subcommands for
250     nominatim cli.
251     """
252     parser = CommandlineParser('nominatim', nominatim.__doc__)
253
254     parser.add_subcommand('import', clicmd.SetupAll)
255     parser.add_subcommand('freeze', clicmd.SetupFreeze)
256     parser.add_subcommand('replication', clicmd.UpdateReplication)
257
258     parser.add_subcommand('special-phrases', clicmd.ImportSpecialPhrases)
259
260     parser.add_subcommand('add-data', UpdateAddData)
261     parser.add_subcommand('index', clicmd.UpdateIndex)
262     parser.add_subcommand('refresh', clicmd.UpdateRefresh)
263
264     parser.add_subcommand('admin', clicmd.AdminFuncs)
265
266     parser.add_subcommand('export', QueryExport)
267     parser.add_subcommand('serve', AdminServe)
268
269     if kwargs.get('phpcgi_path'):
270         parser.add_subcommand('search', clicmd.APISearch)
271         parser.add_subcommand('reverse', clicmd.APIReverse)
272         parser.add_subcommand('lookup', clicmd.APILookup)
273         parser.add_subcommand('details', clicmd.APIDetails)
274         parser.add_subcommand('status', clicmd.APIStatus)
275     else:
276         parser.parser.epilog = 'php-cgi not found. Query commands not available.'
277
278     return parser
279
280
281 def nominatim(**kwargs):
282     """\
283     Command-line tools for importing, updating, administrating and
284     querying the Nominatim database.
285     """
286     parser = get_set_parser(**kwargs)
287
288     return parser.run(**kwargs)