app.py

import gradio as gr
from openai import OpenAI
import os

client = OpenAI(
    api_key=os.getenv("OPEN_AI_KEY"),
    base_url="https://dashscope.aliyuncs.com/compatible-mode/v1",
)


class Conversation:
    def __init__(self, prompt, num_of_round):
        self.prompt = prompt
        self.num_of_round = num_of_round
        self.messages = []
        self.messages.append({"role": "system", "content": self.prompt})

    def ask(self, question):
        try:
            self.messages.append({"role": "user", "content": question})
            response = client.chat.completions.create(
                model="qwen-plus",
                stop=None,
                temperature=0.5,
                n=1,
                messages=self.messages,
                top_p=1,
            )
        except Exception as e:
            print(e)
            return e

        message = response.choices[0].message.content.strip()
        self.messages.append({"role": "assistant", "content": message})

        if len(self.messages) > self.num_of_round * 2 + 1:
            del self.messages[1:3]

        return message


prompt = """你是一个中国厨师，用中文回答做菜的问题。你的回答需要满足以下要求:
1. 你的回答必须是中文
2. 回答限制在100个字以内"""

conv = Conversation(prompt, 10)


def answer(question, history=[]):
    history.append(question)
    response = conv.ask(question)
    history.append(response)
    responses = [(u, b) for u, b in zip(history[::2], history[1::2])]
    return responses, history


with gr.Blocks(css="#chatbot{height:300px} .overflow-y-auto{height:500px}") as demo:
    chatbot = gr.Chatbot(elem_id="chatbot")
    state = gr.State([])

    with gr.Row():
        txt = gr.Textbox(show_label=False, placeholder="Enter text and press enter")

    txt.submit(answer, [txt, state], [chatbot, state])

demo.launch()