search_engines/duckduckgo.py

import gradio as gr
import pandas as pd
from langchain_community.tools import DuckDuckGoSearchResults

from utils.helpers import map_results


async def duckduckgo_search(query: str, max_results: int = 5) -> pd.DataFrame:
    """
    Given a search query, returns the search results from DuckDuckGo.

    Args:
        query (str): The search query.
        max_results (int, optional): The number of maximum results to return. Defaults to 5.

    Returns:
        str: The search results from DuckDuckGo Search Engine.
    """
    ddg = DuckDuckGoSearchResults(
        output_format="list",
    )
    ddg.max_results = max_results
    results = await ddg.ainvoke(query)
    mapping = {
        "title": "title",
        "link": "link",
        "snippet": "body",
    }
    results = await map_results(results, mapping)
    return results


duckduckgo_interface = gr.Interface(
    fn=duckduckgo_search,
    inputs=[
        gr.Textbox(label="Search Query"),
        gr.Slider(minimum=1, maximum=10, step=1, value=5, label="Number of Results"),
    ],
    outputs=gr.Dataframe(
        label="Search Results",
        headers=["title", "body", "link"],
        show_fullscreen_button=True,
        show_row_numbers=True,
        show_copy_button=True,
        wrap=True,
    ),
    title="DuckDuckGo Search",
    description="Search the web using DuckDuckGo Search Engine.",
)