Python script to convert Audacity (.aup3) files to MP3 format

aup3-to-mp3.py

import glob
import os
import pyaudacity as pa
import time
import tkinter.messagebox

files = glob.glob("*.aup3")

for file in files:
    if not file.isascii():
        if not tkinter.messagebox.askokcancel("File Warning", f"File contains non-ASCII character: {file}\nThis may lead to problems. Proceed?"):
            exit()

index = 0
while index < len(files):
    file = files[index]
    time.sleep(2)
    print(f"Processing {file}")
    try:
        pa.open(file)
        pa.export_mp3()
        pa.close()
    except FileNotFoundError as e:
        if tkinter.messagebox.askokcancel("File Error", e):
            continue
        else:
            break
    except pa.PyAudacityException as e:
        if tkinter.messagebox.askokcancel("Audacity Error", e):
            continue
        else:
            break
    index += 1

output_folder = os.path.expanduser("~/Documents/Audacity/macro-output")
os.startfile(output_folder)