feat: add SerpAPI search engine integration with UI tab

app.py

@@ -2,11 +2,22 @@ import gradio as gr
 
 from search_engines.duckduckgo import duckduckgo_interface
 from search_engines.searxng import searxng_interface
+from search_engines.serpapi import serpapi_interface
 from search_engines.tavily import tavily_interface
 
 app = gr.TabbedInterface(
-    interface_list=[duckduckgo_interface, tavily_interface, searxng_interface],
-    tab_names=["DuckDuckGo Search", "Tavily Search", "SearxNG Search"],
+    interface_list=[
+        duckduckgo_interface,
+        tavily_interface,
+        searxng_interface,
+        serpapi_interface,
+    ],
+    tab_names=[
+        "DuckDuckGo Search",
+        "Tavily Search",
+        "SearxNG Search",
+        "SerpAPI Search",
+    ],
 )
 
 

search_engines/serpapi.py

@@ -0,0 +1,54 @@
+import gradio as gr
+import pandas as pd
+from langchain_community.utilities import SerpAPIWrapper
+
+from utils.helpers import map_results
+
+
+async def serpapi_search(
+    query: str, api_key: str, max_results: int = 5
+) -> pd.DataFrame:
+    """
+    Given a search query, returns the search results from SerpAPI.
+
+    Args:
+        query (str): The search query.
+        api_key (str): The API key for SerpAPI.
+        max_results (int, optional): The number of maximum results to return. Defaults to 5.
+
+    Returns:
+        str: The search results from SerpAPI Search Engine.
+    """
+    serpapi = SerpAPIWrapper(
+        serpapi_api_key=api_key,
+    )
+    results = await serpapi.aresults(query)
+    results = results["organic_results"]
+    results = results[:max_results]
+    mapping = {
+        "title": "title",
+        "link": "link",
+        "snippet": "body",
+    }
+    results = await map_results(results, mapping)
+    return results
+
+
+serpapi_interface = gr.Interface(
+    fn=serpapi_search,
+    inputs=[
+        gr.Textbox(label="Search Query"),
+        gr.Textbox(label="API Key", type="password"),
+        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="SerpAPI Search",
+    description="Search the web using SerpAPI Search Engine.",
+)