app.py

import time
from transformers import pipeline, Conversation, GPT2LMHeadModel, AutoTokenizer
import gradio as gr

model_name = "ingen51/DialoGPT-medium-GPT4"

model = GPT2LMHeadModel.from_pretrained(model_name)
tokenizer = AutoTokenizer.from_pretrained(model_name, padding_side='left')

chatbot = pipeline(task="conversational", model = model, tokenizer = tokenizer)

past_user_inputs = []
generated_responses = []

def chocolate_ai(message, history):
    conversation = Conversation(message, past_user_inputs = past_user_inputs, generated_responses = generated_responses)
    conversation = chatbot(conversation)

    past_user_inputs.append(message)
    generated_responses.append(conversation.generated_responses[-1])

    return conversation.generated_responses[-1]

gradio_interface = gr.ChatInterface(chocolate_ai, title="DialoGPT4-Chatbot", description="Type to start a conversation.")
gradio_interface.launch()