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Build error
Елена Fomina
commited on
Commit
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a602c25
1
Parent(s):
dbd9204
Add application file
Browse files
app.py
CHANGED
@@ -1,7 +1,61 @@
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import gradio as gr
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import transformers
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import gradio as gr
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import torch
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from transformers import GPT2LMHeadModel, GPT2Tokenizer
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tokenizer = GPT2Tokenizer.from_pretrained('microsoft/DialoGPT-small')
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model = GPT2LMHeadModel.from_pretrained('microsoft/DialoGPT-small')
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model.eval()
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def chat(message, history):
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history = history or []
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new_user_input_ids = tokenizer.encode(message + tokenizer.eos_token, return_tensors='pt')
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if len(history) > 0 and len(history) < 2:
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for i in range(0,len(history)):
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encoded_message = tokenizer.encode(history[i][0] + tokenizer.eos_token, return_tensors='pt')
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encoded_response = tokenizer.encode(history[i][1] + tokenizer.eos_token, return_tensors='pt')
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if i == 0:
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chat_history_ids = encoded_message
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chat_history_ids = torch.cat([chat_history_ids,encoded_response], dim=-1)
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else:
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chat_history_ids = torch.cat([chat_history_ids,encoded_message], dim=-1)
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chat_history_ids = torch.cat([chat_history_ids,encoded_response], dim=-1)
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bot_input_ids = torch.cat([chat_history_ids, new_user_input_ids], dim=-1)
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elif len(history) >= 2:
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for i in range(len(history)-1, len(history)):
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encoded_message = tokenizer.encode(history[i][0] + tokenizer.eos_token, return_tensors='pt')
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encoded_response = tokenizer.encode(history[i][1] + tokenizer.eos_token, return_tensors='pt')
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if i == (len(history)-1):
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chat_history_ids = encoded_message
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chat_history_ids = torch.cat([chat_history_ids,encoded_response], dim=-1)
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else:
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chat_history_ids = torch.cat([chat_history_ids,encoded_message], dim=-1)
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chat_history_ids = torch.cat([chat_history_ids,encoded_response], dim=-1)
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bot_input_ids = torch.cat([chat_history_ids, new_user_input_ids], dim=-1)
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elif len(history) == 0:
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bot_input_ids = new_user_input_ids
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chat_history_ids = model.generate(bot_input_ids, max_length=1000, do_sample=True, top_p=0.9, temperature=0.8, pad_token_id=tokenizer.eos_token_id)
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response = tokenizer.decode(chat_history_ids[:, bot_input_ids.shape[-1]:][0], skip_special_tokens=True)
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history.append((message, response))
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return history, history
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title = "DialoGPT-small"
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description = "Gradio demo for dialog using DialoGPT"
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iface = gr.Interface(
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chat,
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["text", "state"],
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["chatbot", "state"],
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allow_screenshot=False,
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allow_flagging="never",
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title=title,
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description=description
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)
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iface.launch(debug=True)
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