Nominatim/nominatim/clicmd/api.py
2021-12-02 23:45:48 +01:00

282 lines
10 KiB
Python

"""
Subcommand definitions for API calls from the command line.
"""
import logging
from nominatim.tools.exec_utils import run_api_script
from nominatim.errors import UsageError
# Do not repeat documentation of subcommand classes.
# pylint: disable=C0111
LOG = logging.getLogger()
STRUCTURED_QUERY = (
('street', 'housenumber and street'),
('city', 'city, town or village'),
('county', 'county'),
('state', 'state'),
('country', 'country'),
('postalcode', 'postcode')
)
EXTRADATA_PARAMS = (
('addressdetails', 'Include a breakdown of the address into elements'),
('extratags', ("Include additional information if available "
"(e.g. wikipedia link, opening hours)")),
('namedetails', 'Include a list of alternative names')
)
DETAILS_SWITCHES = (
('addressdetails', 'Include a breakdown of the address into elements'),
('keywords', 'Include a list of name keywords and address keywords'),
('linkedplaces', 'Include a details of places that are linked with this one'),
('hierarchy', 'Include details of places lower in the address hierarchy'),
('group_hierarchy', 'Group the places by type'),
('polygon_geojson', 'Include geometry of result')
)
def _add_api_output_arguments(parser):
group = parser.add_argument_group('Output arguments')
group.add_argument('--format', default='jsonv2',
choices=['xml', 'json', 'jsonv2', 'geojson', 'geocodejson'],
help='Format of result')
for name, desc in EXTRADATA_PARAMS:
group.add_argument('--' + name, action='store_true', help=desc)
group.add_argument('--lang', '--accept-language', metavar='LANGS',
help='Preferred language order for presenting search results')
group.add_argument('--polygon-output',
choices=['geojson', 'kml', 'svg', 'text'],
help='Output geometry of results as a GeoJSON, KML, SVG or WKT')
group.add_argument('--polygon-threshold', type=float, metavar='TOLERANCE',
help=("Simplify output geometry."
"Parameter is difference tolerance in degrees."))
def _run_api(endpoint, args, params):
script_file = args.project_dir / 'website' / (endpoint + '.php')
if not script_file.exists():
LOG.error("Cannot find API script file.\n\n"
"Make sure to run 'nominatim' from the project directory \n"
"or use the option --project-dir.")
raise UsageError("API script not found.")
return run_api_script(endpoint, args.project_dir,
phpcgi_bin=args.phpcgi_path, params=params)
class APISearch:
"""\
Execute a search query.
This command works exactly the same as if calling the /search endpoint on
the web API. See the online documentation for more details on the
various parameters:
https://nominatim.org/release-docs/latest/api/Search/
"""
@staticmethod
def add_args(parser):
group = parser.add_argument_group('Query arguments')
group.add_argument('--query',
help='Free-form query string')
for name, desc in STRUCTURED_QUERY:
group.add_argument('--' + name, help='Structured query: ' + desc)
_add_api_output_arguments(parser)
group = parser.add_argument_group('Result limitation')
group.add_argument('--countrycodes', metavar='CC,..',
help='Limit search results to one or more countries')
group.add_argument('--exclude_place_ids', metavar='ID,..',
help='List of search object to be excluded')
group.add_argument('--limit', type=int,
help='Limit the number of returned results')
group.add_argument('--viewbox', metavar='X1,Y1,X2,Y2',
help='Preferred area to find search results')
group.add_argument('--bounded', action='store_true',
help='Strictly restrict results to viewbox area')
group = parser.add_argument_group('Other arguments')
group.add_argument('--no-dedupe', action='store_false', dest='dedupe',
help='Do not remove duplicates from the result list')
@staticmethod
def run(args):
if args.query:
params = dict(q=args.query)
else:
params = {k: getattr(args, k) for k, _ in STRUCTURED_QUERY if getattr(args, k)}
for param, _ in EXTRADATA_PARAMS:
if getattr(args, param):
params[param] = '1'
for param in ('format', 'countrycodes', 'exclude_place_ids', 'limit', 'viewbox'):
if getattr(args, param):
params[param] = getattr(args, param)
if args.lang:
params['accept-language'] = args.lang
if args.polygon_output:
params['polygon_' + args.polygon_output] = '1'
if args.polygon_threshold:
params['polygon_threshold'] = args.polygon_threshold
if args.bounded:
params['bounded'] = '1'
if not args.dedupe:
params['dedupe'] = '0'
return _run_api('search', args, params)
class APIReverse:
"""\
Execute API reverse query.
This command works exactly the same as if calling the /reverse endpoint on
the web API. See the online documentation for more details on the
various parameters:
https://nominatim.org/release-docs/latest/api/Reverse/
"""
@staticmethod
def add_args(parser):
group = parser.add_argument_group('Query arguments')
group.add_argument('--lat', type=float, required=True,
help='Latitude of coordinate to look up (in WGS84)')
group.add_argument('--lon', type=float, required=True,
help='Longitude of coordinate to look up (in WGS84)')
group.add_argument('--zoom', type=int,
help='Level of detail required for the address')
_add_api_output_arguments(parser)
@staticmethod
def run(args):
params = dict(lat=args.lat, lon=args.lon, format=args.format)
if args.zoom is not None:
params['zoom'] = args.zoom
for param, _ in EXTRADATA_PARAMS:
if getattr(args, param):
params[param] = '1'
if args.lang:
params['accept-language'] = args.lang
if args.polygon_output:
params['polygon_' + args.polygon_output] = '1'
if args.polygon_threshold:
params['polygon_threshold'] = args.polygon_threshold
return _run_api('reverse', args, params)
class APILookup:
"""\
Execute API lookup query.
This command works exactly the same as if calling the /lookup endpoint on
the web API. See the online documentation for more details on the
various parameters:
https://nominatim.org/release-docs/latest/api/Lookup/
"""
@staticmethod
def add_args(parser):
group = parser.add_argument_group('Query arguments')
group.add_argument('--id', metavar='OSMID',
action='append', required=True, dest='ids',
help='OSM id to lookup in format <NRW><id> (may be repeated)')
_add_api_output_arguments(parser)
@staticmethod
def run(args):
params = dict(osm_ids=','.join(args.ids), format=args.format)
for param, _ in EXTRADATA_PARAMS:
if getattr(args, param):
params[param] = '1'
if args.lang:
params['accept-language'] = args.lang
if args.polygon_output:
params['polygon_' + args.polygon_output] = '1'
if args.polygon_threshold:
params['polygon_threshold'] = args.polygon_threshold
return _run_api('lookup', args, params)
class APIDetails:
"""\
Execute API details query.
This command works exactly the same as if calling the /details endpoint on
the web API. See the online documentation for more details on the
various parameters:
https://nominatim.org/release-docs/latest/api/Details/
"""
@staticmethod
def add_args(parser):
group = parser.add_argument_group('Query arguments')
objs = group.add_mutually_exclusive_group(required=True)
objs.add_argument('--node', '-n', type=int,
help="Look up the OSM node with the given ID.")
objs.add_argument('--way', '-w', type=int,
help="Look up the OSM way with the given ID.")
objs.add_argument('--relation', '-r', type=int,
help="Look up the OSM relation with the given ID.")
objs.add_argument('--place_id', '-p', type=int,
help='Database internal identifier of the OSM object to look up')
group.add_argument('--class', dest='object_class',
help=("Class type to disambiguated multiple entries "
"of the same object."))
group = parser.add_argument_group('Output arguments')
for name, desc in DETAILS_SWITCHES:
group.add_argument('--' + name, action='store_true', help=desc)
group.add_argument('--lang', '--accept-language', metavar='LANGS',
help='Preferred language order for presenting search results')
@staticmethod
def run(args):
if args.node:
params = dict(osmtype='N', osmid=args.node)
elif args.way:
params = dict(osmtype='W', osmid=args.node)
elif args.relation:
params = dict(osmtype='R', osmid=args.node)
else:
params = dict(place_id=args.place_id)
if args.object_class:
params['class'] = args.object_class
for name, _ in DETAILS_SWITCHES:
params[name] = '1' if getattr(args, name) else '0'
if args.lang:
params['accept-language'] = args.lang
return _run_api('details', args, params)
class APIStatus:
"""\
Execute API status query.
This command works exactly the same as if calling the /status endpoint on
the web API. See the online documentation for more details on the
various parameters:
https://nominatim.org/release-docs/latest/api/Status/
"""
@staticmethod
def add_args(parser):
group = parser.add_argument_group('API parameters')
group.add_argument('--format', default='text', choices=['text', 'json'],
help='Format of result')
@staticmethod
def run(args):
return _run_api('status', args, dict(format=args.format))