app.py

import gradio as gr
import subprocess

def fun(filepath):
    print(f"filepath is - {filepath}")
    # Command to run
    bash_command = f"nougat {filepath}"
    
    # Run the command and capture its output
    completed_process = subprocess.run(bash_command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
    
    # Get the output and error messages
    output = completed_process.stdout
    errors = completed_process.stderr
    
    # Print the output and errors
    print("Output:")
    print(len(output))
    
    print("Errors:")
    print(len(errors))
    return output

with gr.Blocks() as demo:

  with gr.Row():
    pdf_file = gr.File(label='Upload a PDF', scale=1)
    mkd = gr.HTML('  <i>OR</i>  ', scale=1)
    pdf_link = gr.Textbox(placeholder='Enter an arxiv link here', label='Provide a link', scale=1)

  with gr.Row():
    btn = gr.Button()
    parsed_output = gr.Textbox(lines=5)

  btn.click(fun, pdf_file, parsed_output)
    
demo.launch(debug=True)