Python: script to download and extract chrome installer

get_chrome.py

#!/usr/bin/env python3

import glob
import json
import msvcrt
import os
import requests
import shutil
import subprocess

_reset, _invert, _green, _red = '\033[0m', '\033[7m', '\033[92m', '\033[91m'
_hidecur, _showcur, _up, _down = '\033[?25l', '\033[?25h', '\033[A', '\033[B'
r = '''{"request": { "protocol": "3.1", "dedup": "cr", "ismachine": 1,
"hw": { "physmemory": "16", "sse3": "1", "avx": "1" },
"os": { "platform": "win", "version": "10.0.22631", "arch": "x86_64" },
"app": [{ "appid": "{8A69D345-D564-463C-AFF1-A69D9E530F96}", "updatecheck": {}},
{ "appid": "{8237E44A-0054-442C-B6B6-EA0509993955}", "updatecheck": {}},
{ "appid": "{401C381F-E0DE-4B85-8BD8-3F3F14FBDA57}", "updatecheck": {}},
{ "appid": "{4EA16AC7-FD5A-47C3-875B-DBF4A2008C20}", "ap": "x64-canary", "updatecheck": {}}]}}'''

try:
    r = requests.post('https://tools.google.com/service/update2/json', data = r)
except:
    r = None

if r != None and r.status_code == 200:

    app = json.loads(r.text[5:])['response']['app']
    output = []
    for r in app:
        output.append(dict(channel = r['cohortname'], version = r['updatecheck']['manifest']['version']))

    pl = tuple(max({len(item[key]) for item in output} | {len(key) + 2}) for key in tuple(output[0]))
    print('\n' + _green, end = ' ')
    for i, key in enumerate(tuple(output[0])):
        print(' ' + key.ljust(pl[i]), end = ' ')
    print()
    for i in range(len(tuple(output[0]))):
        print(' ' + '-' * pl[i], end = ' ')
    print(_reset)
    for channel in output:
        print(' ', end = '')
        for i, value in enumerate(channel.values()):
            print(value.ljust(pl[i]), end = '  ')
        print()

    key = index = 0
    print(_hidecur + _up * len(output), end = '\r')
    print(' ' + _invert + output[index]['channel'].ljust(pl[0]) + _reset, end = '\r')
    while key not in (3, 13, 27):
        key = ord(msvcrt.getwch())
        if key == 224:
            key = ord(msvcrt.getwch())
            index_ = index
            mv = ''
            match key:
                case 72:
                    if index > 0:
                        index -= 1
                        mv = _up
                case 80:
                    if index < (len(output) - 1):
                        index += 1
                        mv = _down
            if index != index_:
                print(' ' + output[index_]['channel'].ljust(pl[0]) + mv, end = '\r')
                print(' ' + _invert + output[index]['channel'].ljust(pl[0]) + _reset, end = '\r')
    print(_down * (len(output) - index) + _showcur, end = '\r')

    if key == 13:
        wd = 'D:\\Downloads\\'
        prefix = next(x['codebase'] for x in app[index]['updatecheck']['urls']['url'] if 'dl.google.com' in x['codebase'])
        file = app[index]['updatecheck']['manifest']['packages']['package'][0]['name']
        ver = app[index]['updatecheck']['manifest']['version']
        print()
        _ = subprocess.call(f'curl -L -o {wd}{file} {prefix}{file}')
        if _ == 0 and os.path.exists(wd + file):
            _ = subprocess.call(f'7z x {wd}{file} -o{wd} -aoa -bso0 -bsp1 -y')
            if _ == 0 and os.path.exists(wd + 'chrome.7z'):
                os.remove(wd + file)
                _ = subprocess.call(f'7z x {wd}chrome.7z -o{wd} -aoa -bso0 -bsp1 -y')
                if _ == 0 and os.path.exists(wd + 'Chrome-bin'):
                    os.remove(wd + 'chrome.7z')
                    os.rename(wd + 'Chrome-bin', wd + 'app')
                    if os.path.exists(f'{wd}app\\{ver}'):
                        shutil.rmtree(f'{wd}app\\{ver}\\default_apps')
                        shutil.rmtree(f'{wd}app\\{ver}\\Extensions')
                        shutil.rmtree(f'{wd}app\\{ver}\\WidevineCdm')
                        for rmlang in glob.glob(f'{wd}app\\{ver}\\Locales\\*'):
                            if not rmlang.endswith('en-US.pak'):
                                os.remove(rmlang)

else:
    print(_red + '\nsomething went wrong' + _reset)