init: Search Hub - 统一多搜索引擎聚合服务

providers/searxng_provider.py

@@ -0,0 +1,61 @@
+"""SearXNG 搜索源 — 自托管元搜索引擎"""
+
+import time
+import requests
+from providers.base import BaseProvider, SearchResult
+
+
+class SearXNGProvider(BaseProvider):
+    name = 'searxng'
+    display_name = 'SearXNG'
+    needs_api_key = False
+    enabled = True
+    priority = 30
+
+    def __init__(self, config: dict):
+        super().__init__(config)
+        sc = config.get('searxng', {})
+        self.base_url = (sc.get('base_url') or 'http://localhost:8888').rstrip('/')
+
+    def is_available(self) -> bool:
+        return True
+
+    def search(self, query: str, max_results: int = 10) -> list:
+        url = f'{self.base_url}/search'
+        params = {
+            'q': query,
+            'format': 'json',
+            'language': 'zh-CN',
+            'categories': 'general',
+            'pageno': 1,
+        }
+
+        try:
+            resp = requests.get(url, params=params, timeout=15,
+                                headers={'User-Agent': 'SearchHub/1.0',
+                                         'Accept': 'application/json'})
+            if resp.status_code != 200:
+                return []
+
+            data = resp.json()
+            results = []
+            for item in data.get('results', []):
+                published = item.get('publishedDate', '')
+                if published:
+                    try:
+                        published = published.replace('T', ' ').split('+')[0].split('Z')[0]
+                    except Exception:
+                        pass
+
+                results.append(SearchResult(
+                    title=item.get('title', ''),
+                    url=item.get('url', ''),
+                    content=item.get('content', ''),
+                    score=item.get('score', 0.5),
+                    source=self.name,
+                    published_date=published,
+                ))
+            return results[:max_results]
+
+        except requests.exceptions.RequestException:
+            return []