[fix] JSON format: serialization of the result-types

The ``JSONEncoder`` (``format="json"``) must perform a conversion to the
built-in types for the ``msgspec.Struct``::

    if isinstance(o, msgspec.Struct):
        return msgspec.to_builtins(o)

The result types are already of type ``msgspec.Struct``, so they can be
converted into built-in types.

The field types (in the result type) that were not yet of type ``msgspec.Struct``
have been converted to::

    searx.weather.GeoLocation@dataclass -> msgspec.Struct
    searx.weather.DateTime              -> msgspec.Struct
    searx.weather.Temperature           -> msgspec.Struct
    searx.weather.PressureUnits         -> msgspec.Struct
    searx.weather.WindSpeed             -> msgspec.Struct
    searx.weather.RelativeHumidity      -> msgspec.Struct
    searx.weather.Compass               -> msgspec.Struct

BTW: Wherever it seemed sensible, the typing was also modernized in the modified
files.

Closes: https://github.com/searxng/searxng/issues/5250
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

1 files changed, 3 insertions, 4 deletions

diff --git a/searx/plugins/time_zone.py b/searx/plugins/time_zone.py
index f54a9ce6c..9239a3fbc 100644
--- a/searx/plugins/time_zone.py
+++ b/searx/plugins/time_zone.py
@@ -1,12 +1,11 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 # pylint: disable=missing-module-docstring
 
-from __future__ import annotations
 import typing as t
 
 import datetime
 
-from flask_babel import gettext  # type: ignore
+from flask_babel import gettext
 from searx.result_types import EngineResults
 from searx.weather import DateTime, GeoLocation
 
@@ -53,13 +52,13 @@ class SXNGPlugin(Plugin):
         search_term = " ".join(query_parts).strip()
 
         if not search_term:
-            date_time = DateTime(time=datetime.datetime.now())
+            date_time = DateTime(datetime.datetime.now())
             results.add(results.types.Answer(answer=date_time.l10n()))
             return results
 
         geo = GeoLocation.by_query(search_term=search_term)
         if geo:
-            date_time = DateTime(time=datetime.datetime.now(tz=geo.zoneinfo))
+            date_time = DateTime(datetime.datetime.now(tz=geo.zoneinfo))
             tz_name = geo.timezone.replace('_', ' ')
             results.add(
                 results.types.Answer(