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import gradio as gr |
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import spaces |
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from threading import Thread |
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from transformers import LlavaNextProcessor, LlavaNextForConditionalGeneration |
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from transformers import TextIteratorStreamer |
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from PIL import Image |
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from peft import PeftModel |
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import requests |
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import torch, os, re, json |
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import time |
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base_model = "llava-hf/llava-v1.6-mistral-7b-hf" |
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finetune_repo = "erwannd/llava-v1.6-mistral-7b-finetune-combined4k" |
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processor = LlavaNextProcessor.from_pretrained(base_model) |
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model = LlavaNextForConditionalGeneration.from_pretrained( |
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base_model, |
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torch_dtype=torch.float16, |
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low_cpu_mem_usage=True, |
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) |
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model = PeftModel.from_pretrained(model, finetune_repo) |
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model.to("cuda:0") |
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@spaces.GPU |
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def predict(image, input_text): |
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image = image.convert("RGB") |
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prompt = f"[INST] <image>\n{input_text} [/INST]" |
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inputs = processor(text=prompt, images=image, return_tensors="pt").to(0, torch.float16) |
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streamer = TextIteratorStreamer(processor, **{"skip_special_tokens": True}) |
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model.generate(**inputs, streamer=streamer, max_new_tokens=200, do_sample=False) |
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text_prompt = f"[INST] \n{input_text} [/INST]" |
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buffer = "" |
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time.sleep(0.5) |
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for new_text in streamer: |
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buffer += new_text |
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generated_text_without_prompt = buffer[len(text_prompt):] |
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time.sleep(0.04) |
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yield generated_text_without_prompt |
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image = gr.components.Image(type="pil") |
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input_prompt = gr.components.Textbox(label="Input Prompt") |
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model_output = gr.components.Textbox(label="Model Output") |
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examples = [["./examples/bar_m01.png", "Evaluate and explain if this chart is misleading"], |
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["./examples/bar_n01.png", "Is this chart misleading? Explain"], |
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["./examples/fox_news_cropped.png", "Tell me if this chart is misleading"], |
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["./examples/line_m01.png", "Explain if this chart is misleading"], |
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["./examples/line_m04.png", "Evaluate and explain if this chart is misleading"], |
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["./examples/pie_m01.png", "Evaluate if this chart is misleading, if so explain"], |
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["./examples/pie_m02.png", "Is this chart misleading? Explain"]] |
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description_markdown = """Demo for [LlavaNext](https://huggingface.co/llava-hf/llava-v1.6-mistral-7b-hf) finetuned on [charts dataset](https://huggingface.co/datasets/chart-misinformation-detection/bar_line_pie_4k)""" |
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title = "LlavaNext finetuned on Misleading Chart Dataset" |
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interface = gr.Interface( |
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fn=predict, |
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inputs=[image, input_prompt], |
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outputs=model_output, |
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examples=examples, |
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title=title, |
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theme='gradio/soft', |
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cache_examples=False, |
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description=description_markdown |
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) |
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interface.launch() |
