tools/smart_search/tool.py

import logging
import re
from smolagents import Tool
from smolagents.default_tools import DuckDuckGoSearchTool, WikipediaSearchTool

logger = logging.getLogger(__name__)


class SmartSearchTool(Tool):
    name = "smart_search"
    description = """A smart search tool that first performs a web search and then, if a Wikipedia article is found,
    uses Wikipedia search for more reliable information."""
    inputs = {"query": {"type": "string", "description": "The search query to find information"}}
    output_type = "string"

    def __init__(self):
        super().__init__()
        self.web_search_tool = DuckDuckGoSearchTool(max_results=1)
        self.wiki_tool = WikipediaSearchTool(
            user_agent="SmartSearchTool ([email protected])",
            language="en",
            # content_type="summary",
            content_type="text",
            extract_format="WIKI"
        )

    def forward(self, query: str) -> str:
        logger.info(f"Starting smart search for query: {query}")
        
        # First perform a web search with a single result
        web_result = self.web_search_tool.forward(query)
        logger.info(f"Web search result: {web_result[:100]}...")
        
        # Check if the result contains a Wikipedia link
        if "wikipedia.org" in web_result.lower():
            logger.info("Wikipedia link found in web search results")
            # Extract the Wikipedia page title from the URL using regex
            wiki_match = re.search(r'wikipedia\.org/wiki/([^)\s]+)', web_result)
            if wiki_match:
                wiki_title = wiki_match.group(1)
                logger.info(f"Extracted Wikipedia title: {wiki_title}")
                
                # Use Wikipedia search for more reliable information
                wiki_result = self.wiki_tool.forward(wiki_title)
                logger.info(f"Wikipedia search result: {wiki_result[:100]}...")
                
                if wiki_result and "No Wikipedia page found" not in wiki_result:
                    logger.info("Successfully retrieved Wikipedia content")
                    return f"Web search result:\n{web_result}\n\nWikipedia result:\n{wiki_result}"
                else:
                    logger.warning("Wikipedia search failed or returned no results")
            else:
                logger.warning("Could not extract Wikipedia title from URL")
        
        # If no Wikipedia link was found or Wikipedia search failed, return the web search result
        logger.info("Returning web search result only")
        return f"Web search result:\n{web_result}"