import math
from urllib.parse import urlencode
+import sqlalchemy as sa
+
from nominatim.errors import UsageError
from nominatim.config import Configuration
import nominatim.api as napi
import nominatim.api.logging as loglib
from nominatim.api.v1.format import dispatch as formatting
+from nominatim.api.v1.format import RawDataList
from nominatim.api.v1 import helpers
CONTENT_TYPE = {
@abc.abstractmethod
- def create_response(self, status: int, output: str) -> Any:
+ def create_response(self, status: int, output: str, num_results: int) -> Any:
""" Create a response from the given parameters. The result will
be returned by the endpoint functions. The adaptor may also
return None when the response is created internally with some
"""
- def build_response(self, output: str, status: int = 200) -> Any:
+ def build_response(self, output: str, status: int = 200, num_results: int = 0) -> Any:
""" Create a response from the given output. Wraps a JSONP function
around the response, if necessary.
"""
output = f"{jsonp}({output})"
self.content_type = 'application/javascript'
- return self.create_response(status, output)
+ return self.create_response(status, output, num_results)
def raise_error(self, msg: str, status: int = 400) -> NoReturn:
'group_hierarchy': params.get_bool('group_hierarchy', False),
'icon_base_url': params.config().MAPICON_URL})
- return params.build_response(output)
+ return params.build_response(output, num_results=1)
async def reverse_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> Any:
result = await api.reverse(coord, **details)
if debug:
- return params.build_response(loglib.get_and_disable())
+ return params.build_response(loglib.get_and_disable(), num_results=1 if result else 0)
if fmt == 'xml':
queryparts = {'lat': str(coord.lat), 'lon': str(coord.lon), 'format': 'xml'}
output = formatting.format_result(napi.ReverseResults([result] if result else []),
fmt, fmt_options)
- return params.build_response(output)
+ return params.build_response(output, num_results=1 if result else 0)
async def lookup_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> Any:
results = napi.SearchResults()
if debug:
- return params.build_response(loglib.get_and_disable())
+ return params.build_response(loglib.get_and_disable(), num_results=len(results))
fmt_options = {'extratags': params.get_bool('extratags', False),
'namedetails': params.get_bool('namedetails', False),
output = formatting.format_result(results, fmt, fmt_options)
- return params.build_response(output)
+ return params.build_response(output, num_results=len(results))
async def _unstructured_search(query: str, api: napi.NominatimAPIAsync,
results = helpers.deduplicate_results(results, max_results)
if debug:
- return params.build_response(loglib.get_and_disable())
+ return params.build_response(loglib.get_and_disable(), num_results=len(results))
if fmt == 'xml':
helpers.extend_query_parts(queryparts, details,
output = formatting.format_result(results, fmt, fmt_options)
- return params.build_response(output)
+ return params.build_response(output, num_results=len(results))
+
+
+async def deletable_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> Any:
+ """ Server glue for /deletable endpoint.
+ This is a special endpoint that shows polygons that have been
+ deleted or are broken in the OSM data but are kept in the
+ Nominatim database to minimize disruption.
+ """
+ fmt = params.parse_format(RawDataList, 'json')
+
+ async with api.begin() as conn:
+ sql = sa.text(""" SELECT p.place_id, country_code,
+ name->'name' as name, i.*
+ FROM placex p, import_polygon_delete i
+ WHERE p.osm_id = i.osm_id AND p.osm_type = i.osm_type
+ AND p.class = i.class AND p.type = i.type
+ """)
+ results = RawDataList(r._asdict() for r in await conn.execute(sql))
+
+ return params.build_response(formatting.format_result(results, fmt, {}))
+
+
+async def polygons_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> Any:
+ """ Server glue for /polygons endpoint.
+ This is a special endpoint that shows polygons that have changed
+ thier size but are kept in the Nominatim database with their
+ old area to minimize disruption.
+ """
+ fmt = params.parse_format(RawDataList, 'json')
+ sql_params: Dict[str, Any] = {
+ 'days': params.get_int('days', -1),
+ 'cls': params.get('class')
+ }
+ reduced = params.get_bool('reduced', False)
+
+ async with api.begin() as conn:
+ sql = sa.select(sa.text("""osm_type, osm_id, class, type,
+ name->'name' as name,
+ country_code, errormessage, updated"""))\
+ .select_from(sa.text('import_polygon_error'))
+ if sql_params['days'] > 0:
+ sql = sql.where(sa.text("updated > 'now'::timestamp - make_interval(days => :days)"))
+ if reduced:
+ sql = sql.where(sa.text("errormessage like 'Area reduced%'"))
+ if sql_params['cls'] is not None:
+ sql = sql.where(sa.text("class = :cls"))
+
+ sql = sql.order_by(sa.literal_column('updated').desc()).limit(1000)
+
+ results = RawDataList(r._asdict() for r in await conn.execute(sql, sql_params))
+
+ return params.build_response(formatting.format_result(results, fmt, {}))
EndpointFunc = Callable[[napi.NominatimAPIAsync, ASGIAdaptor], Any]
('details', details_endpoint),
('reverse', reverse_endpoint),
('lookup', lookup_endpoint),
- ('search', search_endpoint)
+ ('search', search_endpoint),
+ ('deletable', deletable_endpoint),
+ ('polygons', polygons_endpoint),
]