Membina Chatbot AI Generatif Mudah: Panduan Praktikal

pip install openai python-dotenv streamlit

chatbot/
├── .env
├── app.py
├── chat_handler.py
└── requirements.txt

import openai
from typing import List, Dict
import os
from dotenv import load_dotenv

load_dotenv()

class ChatBot:
    def __init__(self):
        openai.api_key = os.getenv("OPENAI_API_KEY")
        self.conversation_history: List[Dict[str, str]] = []
        self.system_prompt = """You are a helpful AI assistant. Provide clear, 
        accurate, and engaging responses while maintaining a friendly tone."""

    def add_message(self, role: str, content: str):
        self.conversation_history.append({"role": role, "content": content})

    def get_response(self, user_input: str) -> str:
        # Add user input to conversation history
        self.add_message("user", user_input)

        # Prepare messages for API call
        messages = [{"role": "system", "content": self.system_prompt}] + \
                  self.conversation_history

        try:
            # Make API call to OpenAI
            response = openai.ChatCompletion.create(
                model="gpt-3.5-turbo",
                messages=messages,
                max_tokens=1000,
                temperature=0.7
            )

            # Extract and store assistant's response
            assistant_response = response.choices[0].message.content
            self.add_message("assistant", assistant_response)

            return assistant_response

        except Exception as e:
            return f"An error occurred: {str(e)}"

import streamlit as st
from chat_handler import ChatBot

def main():
    st.title("? AI Chatbot")

    # Initialize session state
    if "chatbot" not in st.session_state:
        st.session_state.chatbot = ChatBot()

    # Chat interface
    if "messages" not in st.session_state:
        st.session_state.messages = []

    # Display chat history
    for message in st.session_state.messages:
        with st.chat_message(message["role"]):
            st.write(message["content"])

    # Chat input
    if prompt := st.chat_input("What's on your mind?"):
        # Add user message to chat history
        st.session_state.messages.append({"role": "user", "content": prompt})
        with st.chat_message("user"):
            st.write(prompt)

        # Get bot response
        response = st.session_state.chatbot.get_response(prompt)

        # Add assistant response to chat history
        st.session_state.messages.append({"role": "assistant", "content": response})
        with st.chat_message("assistant"):
            st.write(response)

if __name__ == "__main__":
    main()

OPENAI_API_KEY=your_api_key_here

streamlit run app.py