app.py

import os
import gradio as gr

def print_flagged_dir_and_csv(x):
    dirtree = ""
    startpath = "flagged"
    for root, dirs, files in os.walk(startpath):
        level = root.replace(startpath, '').count(os.sep)
        indent = ' ' * 4 * (level)
        dirtree += '{}{}/\n'.format(indent, os.path.basename(root))
        subindent = ' ' * 4 * (level + 1)
        for f in files:
            dirtree += '{}{}\n'.format(subindent, f)
    if os.path.exists("flagged/log.csv"):
        file = "flagged/log.csv"
    else:
        file = None
    return dirtree, file
    
gr.Interface(print_flagged_dir_and_csv, "textbox", ["textbox", "file"], allow_flagging=True).launch()