app.py

import gradio as gr
import fitz
import os
import zipfile
from donut import DonutModel

def demo_process(input_pdf):
    
    # Conversion of PDF to JPG images
    pdf = fitz.open(input_pdf)
    first_page = pdf[0]
    pix = first_page.get_pixmap()
    image_bytes = pix.tobytes("png")
    pdf.close()

    temp_dir = "images"
    basename = os.path.basename(input_pdf).split('.')[0]
    image_name = basename + "jpg"
    os.makedirs(temp_dir, exist_ok=True)
    
    with open(os.path.join(temp_dir, image_name), "wb") as f:
        f.write(image_bytes)
    
    image_path = os.path.join(temp_dir, image_name)
    
    os.remove(image_path)
    os.rmdir(temp_dir)
    
    return image_path

# task_name = "SGSInvoice"
# task_prompt = f"<s_{task_name}>"

# model = DonutModel.from_pretrained("uartimcs/donut-invoice-extract")
# model.eval()

iface = gr.Interface(
    fn=demo_process,
    inputs=gr.File(label="Upload PDF File"),
    outputs=gr.File(label="Download ZIP File"),
    title="PDF to Images Converter",
    description="Upload a PDF file and download a ZIP file containing all the pages as images. Host it on huggingface for convenience."
)
iface.launch()