Script to download the latest version of Discord on Linux

update_discord.py

#!/usr/bin/python3
import re
import subprocess
import traceback
from pathlib import Path

import requests

def main():
    r = requests.head('https://discord.com/api/download?platform=linux&format=tar.gz')
    dl_url = r.headers['location']
    filename = dl_url.split('?')[0].split('/')[-1]
    m = re.search(r'(\d+\.\d+\.\d+)', filename)
    version = m.group(1)

    discord_dir = Path(__file__).with_name(f'discord-{version}')
    link_path = Path(__file__).with_name(f'Discord')

    tarpath = Path(__file__).with_name(f'discord-{version}.tar.gz')

    if not tarpath.exists():
        tmppath = tarpath.with_suffix('.temp')
        print(f'download {dl_url}')
        with requests.get(dl_url, stream=True) as r:
            with tmppath.open('wb') as fp:
                for chunk in r.iter_content(chunk_size=65536):
                    fp.write(chunk)
        tmppath.replace(tarpath)

    if not (discord_dir / 'Discord').exists():
        discord_dir.mkdir(exist_ok=True)
        subprocess.run(['tar', 'zxvfC', tarpath, discord_dir], check=True)

    if link_path.is_symlink():
        link_path.unlink()
    link_path.symlink_to(f'discord-{version}/Discord')

if __name__ == '__main__':
    main()