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import os
from typing import Optional, Dict, List
try:
from tavily import TavilyClient
TAVILY_AVAILABLE = True
except ImportError:
TavilyClient = None
TAVILY_AVAILABLE = False
class WebSearchService:
def __init__(self):
self.client = None
api_key = os.getenv("TAVILY_API_KEY")
if api_key and TAVILY_AVAILABLE:
self.client = TavilyClient(api_key=api_key)
def search(self, query: str, max_results: int = 5) -> Optional[List[Dict]]:
"""
Perform a web search using Tavily.
Returns list of results with title, url, content.
"""
if not self.client:
print("⚠️ Tavily API key not configured.")
return []
try:
response = self.client.search(
query=query,
max_results=max_results,
include_answer=True,
include_raw_content=False
)
return response.get("results", [])
except Exception as e:
print(f"❌ Web search failed: {e}")
return []
# Global instance
web_search_service = WebSearchService()
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