OCRArena / app.py
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Adding Docling
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from PyPDF2 import PdfReader
import gradio as gr
from docling.document_converter import DocumentConverter, PdfFormatOption
from docling.datamodel.pipeline_options import PdfPipelineOptions
from docling.datamodel.base_models import InputFormat
pipeline_options = PdfPipelineOptions(enable_remote_services=True)
converter = DocumentConverter(
format_options={
InputFormat.PDF: PdfFormatOption(pipeline_options=pipeline_options)
}
)
def get_pdf_page_count(pdf_path):
reader = PdfReader(pdf_path)
return len(reader.pages)
def get_docling_ocr(pdf_path, page_num):
result = converter.convert(pdf_path, page_range=(page_num, page_num))
markdown_text_docling = result.document.export_to_markdown()
return markdown_text_docling
def inference(pdf_path, page_num):
docling_ocr = get_docling_ocr(pdf_path, page_num)
return docling_ocr
title = "OCR Arena"
description = "A simple Gradio interface to extract text from PDFs and compare OCR models"
examples = [["data/amazon-10-k-2024.pdf"],
["data/goog-10-k-2023.pdf"]]
with gr.Blocks(theme=gr.themes.Glass()) as demo:
with gr.Row():
with gr.Column():
pdf = gr.File(label="Input PDFs", file_types=[".pdf"])
@gr.render(inputs=pdf)
def show_slider(pdf_path):
if pdf_path is None:
page_num = gr.Markdown("## No Input Provided")
else:
page_count = get_pdf_page_count(pdf_path)
page_num = gr.Slider(1, page_count, value=1, step=1, label="Page Number")
with gr.Row():
clear_btn = gr.ClearButton(components=[pdf, page_num])
submit_btn = gr.Button("Submit", variant='primary')
submit_btn.click(inference, inputs=[pdf, page_num], outputs=docling_ocr_out)
with gr.Column():
docling_ocr_out = gr.Textbox(label="Docling OCR Output", type="text")
examples_obj = gr.Examples(examples=examples, inputs=[pdf])
demo.launch()