Create app.py

app.py

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+from datetime import datetime
+
+import streamlit as st
+import os
+from serpapi import GoogleSearch
+from typing import List, Dict, Any
+
+from helper import search_serpapi, convert_to_md_table, current_year
+
+# API KEY
+SERPAPI_API_KEY = os.environ["SERPAPI_API_KEY"]
+
+# Front-end
+st.set_page_config(layout="wide")
+st.title("SearchBot 🤖")
+
+# Front-end: Sidebar
+with st.sidebar:
+    with st.expander("Instruction Manual"):
+        st.markdown("""
+            ## SearchBot 🤖
+            This Streamlit app allows you to search anything.
+
+            ### How to Use:
+            1. **Source**: Select your favorite source, i.e. default is Google.
+            1. **Num**: Select number of output you want to display, i.e. default is 20.
+            1. **Location**: Select your location so content such as weather can be customized, i.e. default is New York.
+            2. **Response**: The app will display a response table.
+            3. **Chat History**: Previous conversations will be shown on the app and can be cleared using "Clear Session" button.
+
+            ### Credits:
+            - **Developer**: [Yiqiao Yin](https://www.y-yin.io/) | [App URL](https://huggingface.co/spaces/eagle0504/serpapi-demo) | [LinkedIn](https://www.linkedin.com/in/yiqiaoyin/) | [YouTube](https://youtube.com/YiqiaoYin/)
+
+            Enjoy chatting with SearchBot!
+        """)
+
+    # Example:
+    st.success("Example: Yiqiao Yin.")
+    st.success("Example: Weather in Westchester, NY today")
+    st.success("Example: Latest news about Tesla")
+    st.success("Example: Taking medicine during pregnancy (you can select WebMD to filter only results from WebMD)")
+
+    # Input
+    src_key_word = st.selectbox(
+        "Source of page you prefer?",
+        (
+            "Google",
+            "Yahoo",
+            "WebMD",
+            "BetterHelp", 
+            "Zocdoc",
+            "Clevelandclinic",
+            "Drugs.com",
+            "EMedicineHealth.com",
+            "Reddit",
+        )
+    )
+    src_key_word = "" if src_key_word == "Google" else src_key_word
+    num = st.number_input("Insert a number", value=20, step=1, placeholder="Type a number...")
+    location = st.selectbox(
+       "Where would you like to search from?",
+        (
+            "New York, New York, United States",
+            "Los Angeles, California, United States",
+            "Chicago, Illinois, United States",
+            "Houston, Texas, United States",
+            "Phoenix, Arizona, United States",
+            "Philadelphia, Pennsylvania, United States",
+            "San Antonio, Texas, United States",
+            "San Diego, California, United States",
+            "Dallas, Texas, United States",
+            "San Jose, California, United States",
+            "Austin, Texas, United States",
+            "Jacksonville, Florida, United States",
+            "Fort Worth, Texas, United States",
+            "Columbus, Ohio, United States",
+            "Charlotte, North Carolina, United States",
+            "San Francisco, California, United States",
+            "Indianapolis, Indiana, United States",
+            "Seattle, Washington, United States",
+            "Denver, Colorado, United States",
+            "Washington, D.C., United States",
+            "Boston, Massachusetts, United States",
+            "El Paso, Texas, United States",
+            "Nashville, Tennessee, United States",
+            "Detroit, Michigan, United States",
+            "Oklahoma City, Oklahoma, United States",
+            "Portland, Oregon, United States",
+            "Las Vegas, Nevada, United States",
+            "Memphis, Tennessee, United States",
+            "Louisville, Kentucky, United States",
+            "Baltimore, Maryland, United States",
+            "Milwaukee, Wisconsin, United States",
+            "Albuquerque, New Mexico, United States",
+            "Tucson, Arizona, United States",
+            "Fresno, California, United States",
+            "Sacramento, California, United States",
+            "Mesa, Arizona, United States",
+            "Kansas City, Missouri, United States",
+            "Atlanta, Georgia, United States",
+            "Omaha, Nebraska, United States",
+            "Colorado Springs, Colorado, United States"
+        )
+    )
+
+    # Add a button to clear the session state
+    if st.button("Clear Session"):
+        st.session_state.messages = []
+        st.experimental_rerun()
+
+    # Credit:
+    current_year = current_year()  # This will print the current year
+    st.markdown(
+        f"""
+            <h6 style='text-align: left;'>Copyright © 2010-{current_year} Present Yiqiao Yin</h6>
+        """,
+        unsafe_allow_html=True,
+    )
+
+
+# Initialize chat history
+if "messages" not in st.session_state:
+    st.session_state.messages = []
+
+# Ensure messages are a list of dictionaries
+if not isinstance(st.session_state.messages, list):
+    st.session_state.messages = []
+if not all(isinstance(msg, dict) for msg in st.session_state.messages):
+    st.session_state.messages = []
+
+# Display chat messages from history on app rerun
+for message in st.session_state.messages:
+    with st.chat_message(message["role"]):
+        st.markdown(message["content"])
+
+# Front-end: Chat Panel - React to user input
+if prompt := st.chat_input("😉 Ask any question or feel free to use the examples provided in the left sidebar."):
+
+    # Display user message in chat message container
+    st.chat_message("user").markdown(prompt)
+
+    # Add user message to chat history
+    st.session_state.messages.append({"role": "system", "content": f"You are a helpful assistant. Year now is {current_year}"})
+    st.session_state.messages.append({"role": "user", "content": prompt})
+
+    # API Call
+    query = src_key_word + ' ' + prompt
+    try:
+        results = search_serpapi(query, location, SERPAPI_API_KEY, num)
+        list_of_links = []
+        for result in results:
+            list_of_links.append({
+                "title": result['title'],
+                "link": result['link'],
+                "snippet": result['snippet']
+            })
+        md_data = convert_to_md_table(list_of_links)
+        response = f"""
+        Please see search results below: \n{md_data}
+        """
+    except Exception as e:
+        st.warning(f"Failed to fetch data: {e}")
+        response = "We are fixing the API right now. Please check back later."
+
+    # Display assistant response in chat message container
+    with st.chat_message("assistant"):
+        st.markdown(response, unsafe_allow_html=True)
+
+    # Add assistant response to chat history
+    st.session_state.messages.append({"role": "assistant", "content": response})