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from transformers import AutoModelForCausalLM, AutoTokenizer
import torch
import gradio as gr
tokenizer = AutoTokenizer.from_pretrained("microsoft/DialoGPT-large")
model = AutoModelForCausalLM.from_pretrained("microsoft/DialoGPT-large")
def predict(input, history=[]):
new_user_input_ids = tokenizer.encode(input + tokenizer.eos_token, return_tensors='pt')
bot_input_ids = torch.cat([torch.LongTensor(history), new_user_input_ids], dim=-1)
history = model.generate(bot_input_ids, max_length=4000, pad_token_id=tokenizer.eos_token_id).tolist()
response = tokenizer.decode(history[0]).split("<|endoftext|>")
response = [(response[i], response[i+1]) for i in range(0, len(response)-1, 2)]
return response, history
gr.Interface(fn=predict,
inputs=["text", "state"],
outputs=["chatbot", "state"]).launch() |