move localization into add_result_details

This means that the locale now needs to be handed in into the search
functions already. At least search needs them for reranking.

nominatim/api/results.py

@@ -292,12 +292,6 @@ class SearchResults(List[SearchResult]):
         May be empty when no result was found.
     """
 
-    def localize(self, locales: Locales) -> None:
-        """ Apply the given locales to all results.
-        """
-        for result in self:
-            result.localize(locales)
-
 
 def _filter_geometries(row: SaRow) -> Dict[str, str]:
     return {k[9:]: v for k, v in row._mapping.items() # pylint: disable=W0212
@@ -459,6 +453,8 @@ async def add_result_details(conn: SearchConnection, results: List[BaseResultT],
             log().comment('Query keywords')
             for result in results:
                 await complete_keywords(conn, result)
+        for result in results:
+            result.localize(details.locales)
 
 
 def _result_row_to_address_row(row: SaRow) -> AddressLine:

nominatim/api/types.py

@@ -17,6 +17,7 @@ from struct import unpack
 from binascii import unhexlify
 
 from nominatim.errors import UsageError
+from nominatim.api.localization import Locales
 
 # pylint: disable=no-member,too-many-boolean-expressions,too-many-instance-attributes
 
@@ -386,7 +387,7 @@ TParam = TypeVar('TParam', bound='LookupDetails') # pylint: disable=invalid-name
 
 @dataclasses.dataclass
 class LookupDetails:
-    """ Collection of parameters that define the amount of details
+    """ Collection of parameters that define which kind of details are
         returned with a lookup or details result.
     """
     geometry_output: GeometryFormat = GeometryFormat.NONE
@@ -413,6 +414,9 @@ class LookupDetails:
         0.0 means the original geometry is kept. The higher the value, the
         more the geometry gets simplified.
     """
+    locales: Locales = Locales()
+    """ Prefered languages for localization of results.
+    """
 
     @classmethod
     def from_kwargs(cls: Type[TParam], kwargs: Dict[str, Any]) -> TParam:

nominatim/api/v1/server_glue.py

@@ -308,7 +308,8 @@ async def details_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) ->
                                keywords=params.get_bool('keywords', False),
                                geometry_output = napi.GeometryFormat.GEOJSON
                                                  if params.get_bool('polygon_geojson', False)
-                                                 else napi.GeometryFormat.NONE
+                                                 else napi.GeometryFormat.NONE,
+                               locales=locales
                               )
 
     if debug:
@@ -317,8 +318,6 @@ async def details_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) ->
     if result is None:
         params.raise_error('No place with that OSM ID found.', status=404)
 
-    result.localize(locales)
-
     output = formatting.format_result(result, fmt,
                  {'locales': locales,
                   'group_hierarchy': params.get_bool('group_hierarchy', False),
@@ -337,6 +336,7 @@ async def reverse_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) ->
     details = params.parse_geometry_details(fmt)
     details['max_rank'] = helpers.zoom_to_rank(params.get_int('zoom', 18))
     details['layers'] = params.get_layers()
+    details['locales'] = napi.Locales.from_accept_languages(params.get_accepted_languages())
 
     result = await api.reverse(coord, **details)
 
@@ -357,9 +357,6 @@ async def reverse_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) ->
                    'namedetails': params.get_bool('namedetails', False),
                    'addressdetails': params.get_bool('addressdetails', True)}
 
-    if result:
-        result.localize(napi.Locales.from_accept_languages(params.get_accepted_languages()))
-
     output = formatting.format_result(napi.ReverseResults([result] if result else []),
                                       fmt, fmt_options)
 
@@ -372,6 +369,7 @@ async def lookup_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> A
     fmt = params.parse_format(napi.SearchResults, 'xml')
     debug = params.setup_debugging()
     details = params.parse_geometry_details(fmt)
+    details['locales'] = napi.Locales.from_accept_languages(params.get_accepted_languages())
 
     places = []
     for oid in (params.get('osm_ids') or '').split(','):
@@ -394,8 +392,6 @@ async def lookup_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> A
                    'namedetails': params.get_bool('namedetails', False),
                    'addressdetails': params.get_bool('addressdetails', True)}
 
-    results.localize(napi.Locales.from_accept_languages(params.get_accepted_languages()))
-
     output = formatting.format_result(results, fmt, fmt_options)
 
     return params.build_response(output, num_results=len(results))
@@ -456,6 +452,8 @@ async def search_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> A
     else:
         details['layers'] = params.get_layers()
 
+    details['locales'] = napi.Locales.from_accept_languages(params.get_accepted_languages())
+
     # unstructured query parameters
     query = params.get('q', None)
     # structured query parameters
@@ -480,8 +478,6 @@ async def search_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> A
     except UsageError as err:
         params.raise_error(str(err))
 
-    results.localize(napi.Locales.from_accept_languages(params.get_accepted_languages()))
-
     if details['dedupe'] and len(results) > 1:
         results = helpers.deduplicate_results(results, max_results)