+def _get_geometry_output(args: NominatimArgs) -> napi.GeometryFormat:
+ """ Get the requested geometry output format in a API-compatible
+ format.
+ """
+ if not args.polygon_output:
+ return napi.GeometryFormat.NONE
+ if args.polygon_output == 'geojson':
+ return napi.GeometryFormat.GEOJSON
+ if args.polygon_output == 'kml':
+ return napi.GeometryFormat.KML
+ if args.polygon_output == 'svg':
+ return napi.GeometryFormat.SVG
+ if args.polygon_output == 'text':
+ return napi.GeometryFormat.TEXT
+
+ try:
+ return napi.GeometryFormat[args.polygon_output.upper()]
+ except KeyError as exp:
+ raise UsageError(f"Unknown polygon output format '{args.polygon_output}'.") from exp
+
+
+def _get_locales(args: NominatimArgs, default: Optional[str]) -> napi.Locales:
+ """ Get the locales from the language parameter.
+ """
+ if args.lang:
+ return napi.Locales.from_accept_languages(args.lang)
+ if default:
+ return napi.Locales.from_accept_languages(default)
+
+ return napi.Locales()
+
+
+def _get_layers(args: NominatimArgs, default: napi.DataLayer) -> Optional[napi.DataLayer]:
+ """ Get the list of selected layers as a DataLayer enum.
+ """
+ if not args.layers:
+ return default
+
+ return reduce(napi.DataLayer.__or__,
+ (napi.DataLayer[s.upper()] for s in args.layers))
+
+
+def _list_formats(formatter: napi.FormatDispatcher, rtype: Type[Any]) -> int:
+ for fmt in formatter.list_formats(rtype):
+ print(fmt)
+ print('debug')
+
+ return 0
+
+
+def _print_output(formatter: napi.FormatDispatcher, result: Any,
+ fmt: str, options: Mapping[str, Any]) -> None:
+ output = formatter.format_result(result, fmt, options)
+ if formatter.get_content_type(fmt) == CONTENT_JSON:
+ # reformat the result, so it is pretty-printed
+ try:
+ json.dump(json.loads(output), sys.stdout, indent=4, ensure_ascii=False)
+ except json.decoder.JSONDecodeError as err:
+ # Catch the error here, so that data can be debugged,
+ # when people are developping custom result formatters.
+ LOG.fatal("Parsing json failed: %s\nUnformatted output:\n%s", err, output)
+ else:
+ sys.stdout.write(output)
+ sys.stdout.write('\n')
+
+