Update app.py

app.py

@@ -81,18 +81,24 @@ def fetch_arxiv_refs(query, max_results=3):
         pass
     return refs
 
-def fetch_duckduckgo_links(query, max_results=3):
+def fetch_duckduckgo_links(query, max_results=10):
     links = []
     try:
         with DDGS() as ddgs:
             results = ddgs.text(query, max_results=max_results)
+            count = 0
             for res in results:
-                links.append({
-                    "title": res['title'],
-                    "url": res['href'],
-                    "snippet": res['body'],
-                    "source": "DuckDuckGo"
-                })
+                url = res['href']
+                if ".edu" in url or ".org" in url:
+                    links.append({
+                        "title": res['title'],
+                        "url": url,
+                        "snippet": res['body'],
+                        "source": "DuckDuckGo"
+                    })
+                    count += 1
+                if count >= 3:
+                    break
     except:
         pass
     return links