Delete app.py
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app.py
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#!/usr/bin/env python
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# encoding: utf-8
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import gradio as gr
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from PIL import Image
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import traceback
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import re
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import torch
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import argparse
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from transformers import AutoModel, AutoTokenizer
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# Argparser
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parser = argparse.ArgumentParser(description='demo')
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parser.add_argument('--device', type=str, default='cpu', help='cpu')
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parser.add_argument('--dtype', type=str, default='fp32', help='fp32')
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args = parser.parse_args()
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device = args.device
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assert device in ['cpu']
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# Set dtype
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if args.dtype == 'fp32':
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dtype = torch.float32
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else:
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dtype = torch.float16
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# Load model
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model_path = 'openbmb/MiniCPM-V-2'
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model = AutoModel.from_pretrained(model_path, trust_remote_code=True).to(dtype=dtype)
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tokenizer = AutoTokenizer.from_pretrained(model_path, trust_remote_code=True)
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model = model.to(device=device)
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model.eval()
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ERROR_MSG = "Error, please retry"
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model_name = 'MiniCPM-V 2.0'
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# UI Components
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form_radio = {
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'choices': ['Beam Search', 'Sampling'],
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'value': 'Sampling',
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'interactive': True,
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'label': 'Decode Type'
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}
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# Sliders and their settings
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num_beams_slider = {'minimum': 0, 'maximum': 5, 'value': 3, 'step': 1, 'interactive': True, 'label': 'Num Beams'}
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repetition_penalty_slider = {'minimum': 0, 'maximum': 3, 'value': 1.2, 'step': 0.01, 'interactive': True, 'label': 'Repetition Penalty'}
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repetition_penalty_slider2 = {'minimum': 0, 'maximum': 3, 'value': 1.05, 'step': 0.01, 'interactive': True, 'label': 'Repetition Penalty'}
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max_new_tokens_slider = {'minimum': 1, 'maximum': 4096, 'value': 1024, 'step': 1, 'interactive': True, 'label': 'Max New Tokens'}
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top_p_slider = {'minimum': 0, 'maximum': 1, 'value': 0.8, 'step': 0.05, 'interactive': True, 'label': 'Top P'}
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top_k_slider = {'minimum': 0, 'maximum': 200, 'value': 100, 'step': 1, 'interactive': True, 'label': 'Top K'}
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temperature_slider = {'minimum': 0, 'maximum': 2, 'value': 0.7, 'step': 0.05, 'interactive': True, 'label': 'Temperature'}
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def create_component(params, comp='Slider'):
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if comp == 'Slider':
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return gr.Slider(**params)
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elif comp == 'Radio':
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return gr.Radio(choices=params['choices'], value=params['value'], interactive=params['interactive'], label=params['label'])
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elif comp == 'Button':
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return gr.Button(value=params['value'], interactive=True)
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def chat(img, msgs, ctx, params=None):
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default_params = {"num_beams": 3, "repetition_penalty": 1.2, "max_new_tokens": 1024}
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if params is None:
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params = default_params
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if img is None:
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return -1, "Error, invalid image, please upload a new image", None, None
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try:
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image = img.convert('RGB')
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answer, context, _ = model.chat(image=image, msgs=msgs, context=None, tokenizer=tokenizer, **params)
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res = re.sub(r'(<box>.*</box>)', '', answer).replace('<ref>', '').replace('</ref>', '').replace('<box>', '').replace('</box>', '')
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return 0, res, None, None
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except Exception as err:
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print(err)
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traceback.print_exc()
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return -1, ERROR_MSG, None, None
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def upload_img(image, _chatbot, _app_session):
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image = Image.fromarray(image)
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_app_session['sts'] = None
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_app_session['ctx'] = []
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_app_session['img'] = image
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_chatbot.append(('', 'Image uploaded successfully, you can talk to me now'))
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return _chatbot, _app_session
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def respond(_question, _chat_bot, _app_cfg, params_form, num_beams, repetition_penalty, repetition_penalty_2, top_p, top_k, temperature):
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if _app_cfg.get('ctx', None) is None:
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_chat_bot.append((_question, 'Please upload an image to start'))
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return '', _chat_bot, _app_cfg
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_context = _app_cfg['ctx'].copy()
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_context.append({"role": "user", "content": _question})
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if params_form == 'Beam Search':
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params = {'sampling': False, 'num_beams': num_beams, 'repetition_penalty': repetition_penalty, "max_new_tokens": 896}
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else: # Ensure this block is executed for Sampling
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params = {
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'sampling': True,
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'top_p': top_p,
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'top_k': top_k,
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'temperature': temperature,
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'repetition_penalty': repetition_penalty_2,
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"max_new_tokens": 896
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}
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code, _answer, _, sts = chat(_app_cfg['img'], _context, None, params)
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_context.append({"role": "assistant", "content": _answer})
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_chat_bot.append((_question, _answer))
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if code == 0:
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_app_cfg['ctx'] = _context
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_app_cfg['sts'] = sts
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return '', _chat_bot, _app_cfg
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def clear(chat_bot, app_session):
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app_session['img'] = None
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chat_bot.clear()
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return chat_bot
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with gr.Blocks() as demo:
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gr.Markdown("<h1 style='text-align: center;'>Medical Assistant</h1>")
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with gr.Row():
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with gr.Column(scale=2, min_width=300):
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app_session = gr.State({'sts': None, 'ctx': None, 'img': None})
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bt_pic = gr.Image(label="Upload an image to start")
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txt_message = gr.Textbox(label="Ask your question...")
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with gr.Column(scale=2, min_width=300):
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chat_bot = gr.Chatbot(label=f"Chatbot")
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clear_button = gr.Button(value='Clear')
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txt_message.submit(
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respond,
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[txt_message, chat_bot, app_session],
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[txt_message, chat_bot, app_session]
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)
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bt_pic.upload(lambda: None, None, chat_bot, queue=False).then(upload_img, inputs=[bt_pic, chat_bot, app_session], outputs=[chat_bot, app_session])
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clear_button.click(clear, [chat_bot, app_session], chat_bot)
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# Launch
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demo.launch(share=True, debug=True, show_api=False)
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