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Enable uploading multiple images in demo.py #232

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Enable uploading multiple images in demo.py #232

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7fc7710
remove unnecessary input and output
ifsheldon May 17, 2023
5b0a99e
modify the code so to enable demo to accept multiple image input
ifsheldon May 17, 2023
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73 changes: 50 additions & 23 deletions demo.py
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Original file line number Diff line number Diff line change
Expand Up @@ -68,20 +68,32 @@ def setup_seeds(config):
# Gradio Setting
# ========================================

def gradio_reset(chat_state, img_list):
if chat_state is not None:
chat_state.messages = []
if img_list is not None:
img_list = []
return None, gr.update(value=None, interactive=True), gr.update(placeholder='Please upload your image first', interactive=False),gr.update(value="Upload & Start Chat", interactive=True), chat_state, img_list

def upload_img(gr_img, text_input, chat_state):
def gradio_reset():
# reset chatbot, image, text_input, upload_button, chat_state, img_list, img_emb_list, gallery
return None, \
gr.update(value=None, interactive=True), \
gr.update(placeholder='Please upload your image first', interactive=False), \
gr.update(value="Upload & Start Chat", interactive=True), \
CONV_VISION.copy(), \
[], \
[], \
[]


def upload_img(gr_img, chat_state, img_list, img_emb_list):
if gr_img is None:
return None, None, gr.update(interactive=True), chat_state, None
chat_state = CONV_VISION.copy()
img_list = []
llm_message = chat.upload_img(gr_img, chat_state, img_list)
return gr.update(interactive=False), gr.update(interactive=True, placeholder='Type and press Enter'), gr.update(value="Start Chatting", interactive=False), chat_state, img_list
return None, None, gr.update(interactive=True), chat_state, img_list, img_emb_list
img_list.append(gr_img)
# upload an image to the chat
chat.upload_img(gr_img, chat_state, img_emb_list)
# update image, text_input, upload_button, chat_state, gallery, img_emb_list
return gr.update(value=None, interactive=False), \
gr.update(interactive=True, placeholder='Type and press Enter'), \
gr.update(value="Send more images after sending a message", interactive=False), \
chat_state, \
img_list, \
img_emb_list


def gradio_ask(user_message, chatbot, chat_state):
if len(user_message) == 0:
Expand All @@ -99,7 +111,12 @@ def gradio_answer(chatbot, chat_state, img_list, num_beams, temperature):
max_new_tokens=300,
max_length=2000)[0]
chatbot[-1][1] = llm_message
return chatbot, chat_state, img_list
# update chatbot, chat_state, image, upload_button
return chatbot, \
chat_state, \
gr.update(interactive=True), \
gr.update(value="Send more image", interactive=True)


title = """<h1 align="center">Demo of MiniGPT-4</h1>"""
description = """<h3>This is the demo of MiniGPT-4. Upload your images and start chatting!</h3>"""
Expand Down Expand Up @@ -138,16 +155,26 @@ def gradio_answer(chatbot, chat_state, img_list, num_beams, temperature):
)

with gr.Column():
chat_state = gr.State()
img_list = gr.State()
chat_state = gr.State(CONV_VISION.copy())
img_list = gr.State([])
img_emb_list = gr.State([])
gallery = gr.Gallery(label="Uploaded Images", show_label=True) \
.style(rows=[1], object_fit="scale-down", height="500px", preview=True)
chatbot = gr.Chatbot(label='MiniGPT-4')
text_input = gr.Textbox(label='User', placeholder='Please upload your image first', interactive=False)

upload_button.click(upload_img, [image, text_input, chat_state], [image, text_input, upload_button, chat_state, img_list])

text_input.submit(gradio_ask, [text_input, chatbot, chat_state], [text_input, chatbot, chat_state]).then(
gradio_answer, [chatbot, chat_state, img_list, num_beams, temperature], [chatbot, chat_state, img_list]
)
clear.click(gradio_reset, [chat_state, img_list], [chatbot, image, text_input, upload_button, chat_state, img_list], queue=False)

upload_button.click(upload_img, [image, chat_state, img_list, img_emb_list],
[image, text_input, upload_button, chat_state, gallery, img_emb_list])

text_input \
.submit(gradio_ask, [text_input, chatbot, chat_state], [text_input, chatbot, chat_state]) \
.then(gradio_answer,
[chatbot, chat_state, img_emb_list, num_beams, temperature],
[chatbot, chat_state, image, upload_button])

clear.click(gradio_reset,
None,
[chatbot, image, text_input, upload_button, chat_state, img_list, img_emb_list, gallery],
queue=False)

demo.launch(share=True, enable_queue=True)