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import gradio as gr | |
import spaces | |
import os | |
import time | |
from PIL import Image | |
from models.mllava import MLlavaProcessor, LlavaForConditionalGeneration, chat_mllava, MLlavaForConditionalGeneration | |
from typing import List | |
processor = MLlavaProcessor.from_pretrained("TIGER-Lab/Mantis-llava-7b-v1.1") | |
model = LlavaForConditionalGeneration.from_pretrained("TIGER-Lab/Mantis-llava-7b-v1.1") | |
def generate(text:str, images:List[Image.Image], history: List[dict], **kwargs): | |
global processor, model | |
model = model.to("cuda") | |
if not images: | |
images = None | |
for text, history in chat_mllava(text, images, model, processor, history=history, stream=True, **kwargs): | |
yield text | |
return text | |
def enable_next_image(uploaded_images, image): | |
uploaded_images.append(image) | |
return uploaded_images, gr.MultimodalTextbox(value=None, interactive=False) | |
def add_message(history, message): | |
if message["files"]: | |
for file in message["files"]: | |
history.append([(file,), None]) | |
if message["text"]: | |
history.append([message["text"], None]) | |
return history, gr.MultimodalTextbox(value=None) | |
def print_like_dislike(x: gr.LikeData): | |
print(x.index, x.value, x.liked) | |
def get_chat_history(history): | |
chat_history = [] | |
for i, message in enumerate(history): | |
if isinstance(message[0], str): | |
chat_history.append({"role": "user", "text": message[0]}) | |
if i != len(history) - 1: | |
assert message[1], "The bot message is not provided, internal error" | |
chat_history.append({"role": "assistant", "text": message[1]}) | |
else: | |
assert not message[1], "the bot message internal error, get: {}".format(message[1]) | |
chat_history.append({"role": "assistant", "text": ""}) | |
return chat_history | |
def get_chat_images(history): | |
images = [] | |
for message in history: | |
if isinstance(message[0], tuple): | |
images.extend(message[0]) | |
return images | |
def bot(history): | |
print(history) | |
cur_messages = {"text": "", "images": []} | |
for message in history[::-1]: | |
if message[1]: | |
break | |
if isinstance(message[0], str): | |
cur_messages["text"] = message[0] + " " + cur_messages["text"] | |
elif isinstance(message[0], tuple): | |
cur_messages["images"].extend(message[0]) | |
cur_messages["text"] = cur_messages["text"].strip() | |
cur_messages["images"] = cur_messages["images"][::-1] | |
if not cur_messages["text"]: | |
raise gr.Error("Please enter a message") | |
if cur_messages['text'].count("<image>") < len(cur_messages['images']): | |
gr.Warning("The number of images uploaded is more than the number of <image> placeholders in the text. Will automatically prepend <image> to the text.") | |
cur_messages['text'] = "<image> "* (len(cur_messages['images']) - cur_messages['text'].count("<image>")) + cur_messages['text'] | |
history[-1][0] = cur_messages["text"] | |
if cur_messages['text'].count("<image>") > len(cur_messages['images']): | |
gr.Warning("The number of images uploaded is less than the number of <image> placeholders in the text. Will automatically remove extra <image> placeholders from the text.") | |
cur_messages['text'] = cur_messages['text'][::-1].replace("<image>"[::-1], "", cur_messages['text'].count("<image>") - len(cur_messages['images']))[::-1] | |
history[-1][0] = cur_messages["text"] | |
chat_history = get_chat_history(history) | |
chat_images = get_chat_images(history) | |
generation_kwargs = { | |
"max_new_tokens": 4096, | |
"temperature": 0.7, | |
"top_p": 1.0, | |
"do_sample": True, | |
} | |
print(None, chat_images, chat_history, generation_kwargs) | |
response = generate(None, chat_images, chat_history, **generation_kwargs) | |
for _output in response: | |
history[-1][1] = _output | |
time.sleep(0.05) | |
yield history | |
def build_demo(): | |
with gr.Blocks() as demo: | |
with gr.Row(): | |
with gr.Column(): | |
gr.Markdown(""" # Mantis | |
Mantis is a multimodal conversational AI model that can chat with users about images and text. It's optimized for multi-image reasoning, where inverleaved text and images can be used to generate responses. | |
| [Github](https://github.com/TIGER-AI-Lab/Mantis) | [Blog](https://tiger-ai-lab.github.io/Blog/mantis) | [Models](https://huggingface.co/collections/TIGER-Lab/mantis-6619b0834594c878cdb1d6e4) | | |
""") | |
# gr.Image("./barchart_single_image_vqa.jpeg") | |
with gr.Column(): | |
gr.Image("./barchart.jpeg") | |
gr.Markdown("""## Chat with Mantis | |
Mantis supports interleaved text-image input format, where you can simply use the placeholder `<image>` to indicate the position of uploaded images. | |
The model is optimized for multi-image reasoning, while preserving the ability to chat about text and images in a single conversation. | |
(The model currently serving is [Mantis-bakllava-7b](https://huggingface.co/TIGER-Lab/Mantis-bakllava-7b)) | |
""") | |
chatbot = gr.Chatbot(line_breaks=True) | |
chat_input = gr.MultimodalTextbox(interactive=True, file_types=["image"], placeholder="Enter message or upload images. Please use <image> to indicate the position of uploaded images", show_label=True) | |
chat_msg = chat_input.submit(add_message, [chatbot, chat_input], [chatbot, chat_input]) | |
bot_msg = chat_msg.success(bot, chatbot, chatbot, api_name="bot_response") | |
chatbot.like(print_like_dislike, None, None) | |
with gr.Row(): | |
send_button = gr.Button("Send") | |
clear_button = gr.ClearButton([chatbot, chat_input]) | |
send_button.click( | |
add_message, [chatbot, chat_input], [chatbot, chat_input] | |
).then( | |
bot, chatbot, chatbot, api_name="bot_response" | |
) | |
gr.Examples( | |
examples=[ | |
{ | |
"text": "<image> <image> <image> Which image shows a different mood of character from the others?", | |
"files": ["./examples/image12.jpg", "./examples/image13.jpg", "./examples/image14.jpg"] | |
}, | |
{ | |
"text": "<image> <image> What's the difference between these two images? Please describe as much as you can.", | |
"files": ["./examples/image1.jpg", "./examples/image2.jpg"] | |
}, | |
{ | |
"text": "<image> <image> How many dices are there in image 1 and image 2 respectively?", | |
"files": ["./examples/image10.jpg", "./examples/image11.jpg"] | |
}, | |
{ | |
"text": "<image> <image> Which image shows an older dog?", | |
"files": ["./examples/image8.jpg", "./examples/image9.jpg"] | |
}, | |
{ | |
"text": "Write a description for the given image sequence in a single paragraph, what is happening in this episode?", | |
"files": ["./examples/image3.jpg", "./examples/image4.jpg", "./examples/image5.jpg", "./examples/image6.jpg", "./examples/image7.jpg"] | |
}, | |
], | |
inputs=[chat_input], | |
) | |
return demo | |
if __name__ == "__main__": | |
demo = build_demo() | |
demo.launch() |