move API dependent functions out of args structure

src/nominatim_db/clicmd/args.py

@@ -16,7 +16,6 @@ from pathlib import Path
 from nominatim_core.errors import UsageError
 from nominatim_core.config import Configuration
 from nominatim_core.typing import Protocol
-import nominatim_api as napi
 
 LOG = logging.getLogger()
 
@@ -216,45 +215,3 @@ class NominatimArgs:
                 raise UsageError('Cannot access file.')
 
         return files
-
-
-    def get_geometry_output(self) -> napi.GeometryFormat:
-        """ Get the requested geometry output format in a API-compatible
-            format.
-        """
-        if not self.polygon_output:
-            return napi.GeometryFormat.NONE
-        if self.polygon_output == 'geojson':
-            return napi.GeometryFormat.GEOJSON
-        if self.polygon_output == 'kml':
-            return napi.GeometryFormat.KML
-        if self.polygon_output == 'svg':
-            return napi.GeometryFormat.SVG
-        if self.polygon_output == 'text':
-            return napi.GeometryFormat.TEXT
-
-        try:
-            return napi.GeometryFormat[self.polygon_output.upper()]
-        except KeyError as exp:
-            raise UsageError(f"Unknown polygon output format '{self.polygon_output}'.") from exp
-
-
-    def get_locales(self, default: Optional[str]) -> napi.Locales:
-        """ Get the locales from the language parameter.
-        """
-        if self.lang:
-            return napi.Locales.from_accept_languages(self.lang)
-        if default:
-            return napi.Locales.from_accept_languages(default)
-
-        return napi.Locales()
-
-
-    def get_layers(self, default: napi.DataLayer) -> Optional[napi.DataLayer]:
-        """ Get the list of selected layers as a DataLayer enum.
-        """
-        if not self.layers:
-            return default
-
-        return reduce(napi.DataLayer.__or__,
-                      (napi.DataLayer[s.upper()] for s in self.layers))