[mod] swisscows engines: add language / region support

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

searx/engines/swisscows_news.py

@@ -7,7 +7,9 @@ from urllib.parse import urlencode
 
 import typing as t
 
+from searx.utils import html_to_text
 from searx.result_types import EngineResults
+from searx.engines.swisscows import appropriate_locale
 
 if t.TYPE_CHECKING:
     from searx.extended_types import SXNG_Response
@@ -33,8 +35,17 @@ paging = True
 base_url = "https://api.swisscows.com"
 time_range_map = {"day": "Day", "week": "Week", "month": "Month", "year": "Year"}
 
+swisscows_regions: list[str] = ["DE"]
+"""Regions supported by swisscows News."""
+
 
 def request(query: str, params: "OnlineParams") -> None:
+
+    sxng_locale = params["searxng_locale"].split("-", maxsplit=1)[0]
+    locale: str = appropriate_locale(sxng_locale, swisscows_regions, default="de-DE")
+    if not locale:
+        return
+
     freshness = "All"
     if params["time_range"]:
         freshness = time_range_map[params["time_range"]]
@@ -42,8 +53,8 @@ def request(query: str, params: "OnlineParams") -> None:
     args = {
         "query": query,
         "itemsCount": results_per_page,
-        "region": "de-DE",
-        "language": "de",
+        "region": locale,
+        "language": locale.split("-", maxsplit=1)[0],
         "offset": (params["pageno"] - 1) * results_per_page,
         "freshness": freshness,
         "sortOrder": "Desc",
@@ -54,17 +65,18 @@ def request(query: str, params: "OnlineParams") -> None:
     params["url"] = base_url + url_path
 
 
-def response(resp: "SXNG_Response"):
+def response(resp: "SXNG_Response") -> EngineResults:
     res = EngineResults()
 
-    for result in resp.json()["items"]:
+    result: dict[str, str]
+    for result in resp.json()["items"]:  # pyright: ignore[reportAny]
         res.add(
             res.types.MainResult(
                 url=result["uri"],
-                title=result["title"],
+                title=html_to_text(result["title"]),
                 content=result["description"],
                 publishedDate=datetime.fromisoformat(result["created"]),
-                thumbnail=result.get("og:image"),
+                thumbnail=result.get("og:image") or "",
             )
         )