demo-page / app.py
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Update app.py
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import gradio as gr
from transformers import AutoProcessor, PaliGemmaForConditionalGeneration
import requests
from PIL import Image
import torch, os, re, json
import spaces
torch.hub.download_url_to_file('https://raw.githubusercontent.com/vis-nlp/ChartQA/main/ChartQA%20Dataset/test/png/74801584018932.png', 'chart_example_1.png')
torch.hub.download_url_to_file('https://raw.githubusercontent.com/vis-nlp/ChartQA/main/ChartQA%20Dataset/val/png/multi_col_1229.png', 'chart_example_2.png')
model = PaliGemmaForConditionalGeneration.from_pretrained("ahmed-masry/chartgemma")
processor = AutoProcessor.from_pretrained("ahmed-masry/chartgemma")
@spaces.GPU
def predict(image, input_text):
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
model.to(device)
image = image.convert("RGB")
inputs = processor(text=input_text, images=image, return_tensors="pt")
inputs = {k: v.to(device) for k, v in inputs.items()}
prompt_length = inputs['input_ids'].shape[1]
# Generate
generate_ids = model.generate(**inputs, max_new_tokens=512)
output_text = processor.batch_decode(generate_ids[:, prompt_length:], skip_special_tokens=True, clean_up_tokenization_spaces=False)[0]
return output_text
image = gr.components.Image(type="pil", label="Chart Image")
input_prompt = gr.components.Textbox(label="Input Prompt")
model_output = gr.components.Textbox(label="Model Output")
examples = [["chart_example_1.png", "Describe the trend of the mortality rates for children before age 5"],
["chart_example_2.png", "What is the share of respondants who prefer Facebook Messenger in the 30-59 age group?"]]
title = "Interactive Gradio Demo for ChartGemma model"
interface = gr.Interface(fn=predict,
inputs=[image, input_prompt],
outputs=model_output,
examples=examples,
title=title,
theme='gradio/soft')
interface.launch()