app.py

import gradio as gr
from openai import OpenAI
import os

key= os.environ.get('key')
client = OpenAI(api_key=key)

class english_buddy:
  def __init__(self):
    system_message = "Your name is Tom and I'm practising English with you. Be friendly, converse with me and advise me if my grammar is wrong"
    self.messages = []
    self.messages.append({'role':'system','content':system_message})

  def __call__(self, user_input):
    self.messages.append({'role':'user',
                          'content': user_input})
    response = client.chat.completions.create(model='gpt-3.5-turbo',
                                            messages=self.messages)
    resonse_message = response.choices[0].message.content
    self.messages.append({'role':'assistant',
                          'content': resonse_message})
    return resonse_message
   
my_english_buddy = english_buddy()

iface = gr.Interface(fn=my_english_buddy, inputs="textbox", outputs="text",
                     clear_btn="Clear", theme="gradio/monochrome",
                     title="Chat with Tom and practice your English!",)
                  
iface.launch(show_api=False)