[mod] typification of SearXNG: add new result type KeyValue

This patch adds a new result type: KeyValue

- Python class:   searx/result_types/keyvalue.py
- Jinja template: searx/templates/simple/result_templates/keyvalue.html
- CSS (less)      client/simple/src/less/result_types/keyvalue.less

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

searx/result_types/__init__.py

@@ -13,7 +13,7 @@
 
 from __future__ import annotations
 
-__all__ = ["Result", "MainResult", "EngineResults", "AnswerSet", "Answer", "Translations"]
+__all__ = ["Result", "MainResult", "KeyValue", "EngineResults", "AnswerSet", "Answer", "Translations"]
 
 import abc
 
@@ -21,6 +21,7 @@ from searx import enginelib
 
 from ._base import Result, MainResult, LegacyResult
 from .answer import AnswerSet, Answer, Translations
+from .keyvalue import KeyValue
 
 
 class ResultList(list, abc.ABC):
@@ -30,6 +31,7 @@ class ResultList(list, abc.ABC):
         """The collection of result types (which have already been implemented)."""
 
         Answer = Answer
+        KeyValue = KeyValue
         MainResult = MainResult
         Result = Result
         Translations = Translations

searx/result_types/keyvalue.py

@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+"""
+Typification of the *keyvalue* results.  Results of this type are rendered in
+the :origin:`keyvalue.html <searx/templates/simple/result_templates/keyvalue.html>`
+template.
+
+----
+
+.. autoclass:: KeyValue
+   :members:
+   :show-inheritance:
+
+"""
+# pylint: disable=too-few-public-methods
+
+from __future__ import annotations
+
+__all__ = ["KeyValue"]
+
+import typing
+from collections import OrderedDict
+
+from ._base import MainResult
+
+
+class KeyValue(MainResult, kw_only=True):
+    """Simple table view which maps *key* names (first col) to *values*
+    (second col)."""
+
+    template: str = "keyvalue.html"
+
+    kvmap: dict[str, typing.Any] | OrderedDict[str, typing.Any]
+    """Dictionary with keys and values. To sort keys, use :py:obj:`OrderedDict`."""
+
+    caption: str = ""
+    """Optional caption for this result."""
+
+    key_title: str = ""
+    """Optional title for the *key column*."""
+
+    value_title: str = ""
+    """Optional title for the *value column*."""
+
+    def __hash__(self) -> int:
+        """The KeyValues objects are checked for object identity, even if all
+        fields of two results have the same values, they are different from each
+        other.
+        """
+        return id(self)