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"""Web search tool integration."""
import logging
from typing import List, Dict, Any, Optional
import httpx
from src.core.config import get_settings
logger = logging.getLogger(__name__)
class WebSearch:
"""Web search tool using Tavily or Serper API."""
def __init__(self):
"""Initialize web search."""
self.settings = get_settings()
self.tavily_api_key = self.settings.tavily_api_key
self.serper_api_key = self.settings.serper_api_key
self.client = httpx.AsyncClient(timeout=30.0)
async def search(
self,
query: str,
max_results: int = 5,
search_depth: str = "basic",
) -> Dict[str, Any]:
"""
Search the web for information.
Args:
query: Search query
max_results: Maximum number of results
search_depth: Search depth ('basic' or 'advanced')
Returns:
Dictionary with search results
"""
if self.tavily_api_key:
return await self._search_tavily(query, max_results, search_depth)
elif self.serper_api_key:
return await self._search_serper(query, max_results)
else:
return {
"success": False,
"error": "No web search API key configured",
"results": [],
}
async def _search_tavily(
self,
query: str,
max_results: int,
search_depth: str,
) -> Dict[str, Any]:
"""Search using Tavily API."""
try:
url = "https://api.tavily.com/search"
payload = {
"api_key": self.tavily_api_key,
"query": query,
"max_results": max_results,
"search_depth": search_depth,
}
response = await self.client.post(url, json=payload)
response.raise_for_status()
data = response.json()
results = []
for item in data.get("results", []):
results.append({
"title": item.get("title", ""),
"url": item.get("url", ""),
"content": item.get("content", ""),
"score": item.get("score", 0.0),
})
return {
"success": True,
"query": query,
"results": results,
"total_results": len(results),
}
except Exception as e:
logger.error(f"Error searching with Tavily: {e}")
return {
"success": False,
"error": str(e),
"results": [],
}
async def _search_serper(
self,
query: str,
max_results: int,
) -> Dict[str, Any]:
"""Search using Serper API."""
try:
url = "https://google.serper.dev/search"
headers = {
"X-API-KEY": self.serper_api_key,
"Content-Type": "application/json",
}
payload = {
"q": query,
"num": max_results,
}
response = await self.client.post(url, json=payload, headers=headers)
response.raise_for_status()
data = response.json()
results = []
for item in data.get("organic", []):
results.append({
"title": item.get("title", ""),
"url": item.get("link", ""),
"content": item.get("snippet", ""),
"position": item.get("position", 0),
})
return {
"success": True,
"query": query,
"results": results,
"total_results": len(results),
}
except Exception as e:
logger.error(f"Error searching with Serper: {e}")
return {
"success": False,
"error": str(e),
"results": [],
}
def get_tool_schema(self) -> Dict[str, Any]:
"""Get tool schema for agent integration."""
return {
"name": "web_search",
"description": "Search the web for information",
"parameters": {
"type": "object",
"properties": {
"query": {
"type": "string",
"description": "Search query",
},
"max_results": {
"type": "integer",
"description": "Maximum number of results (default: 5)",
"default": 5,
},
},
"required": ["query"],
},
}
async def close(self):
"""Close the HTTP client."""
await self.client.aclose()
# Global instance
_web_search: Optional[WebSearch] = None
def get_web_search() -> WebSearch:
"""Get or create the global web search instance."""
global _web_search
if _web_search is None:
_web_search = WebSearch()
return _web_search
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