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Create app.py
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app.py
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from transformers import AutoModelForCausalLM, AutoTokenizer
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import torch
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import gradio as gr
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tokenizer = AutoTokenizer.from_pretrained("s3nh/DialoGPT-small-harry-potter-goblet-of-fire")
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model = AutoModelForCausalLM.from_pretrained("s3nh/DialoGPT-small-harry-potter-goblet-of-fire")
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def predict(input, history=[]):
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# tokenize the new input sentence
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new_user_input_ids = tokenizer.encode(input + tokenizer.eos_token, return_tensors='pt')
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# append the new user input tokens to the chat history
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bot_input_ids = torch.cat([torch.LongTensor(history), new_user_input_ids], dim=-1)
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# generate a response
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history = model.generate(bot_input_ids, max_length=4000, pad_token_id=tokenizer.eos_token_id).tolist()
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# convert the tokens to text, and then split the responses into lines
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response = tokenizer.decode(history[0]).split("<|endoftext|>")
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#print('decoded_response-->>'+str(response))
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response = [(response[i], response[i+1]) for i in range(0, len(response)-1, 2)] # convert to tuples of list
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#print('response-->>'+str(response))
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return response, history
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description = "Fine tuned dialogpt-small on Harry and The Goblet of Fire"
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title = "Chat with Harry"
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examples = [["Did you put your name in The Goblet of Fire?"]]
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gr.Interface(fn=predict,
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title=title,
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description=description,
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examples=examples,
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inputs=["text", "state"],
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outputs=["chatbot", "state"]).launch()
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