import random


def random_user_agent():
    _USER_AGENT_TPL = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/%s Safari/537.36'
    _CHROME_VERSIONS = (
        '90.0.4430.212',
        '90.0.4430.24',
        '90.0.4430.70',
        '90.0.4430.72',
        '90.0.4430.85',
        '90.0.4430.93',
        '91.0.4472.101',
        '91.0.4472.106',
        '91.0.4472.114',
        '91.0.4472.124',
        '91.0.4472.164',
        '91.0.4472.19',
        '91.0.4472.77',
        '92.0.4515.107',
        '92.0.4515.115',
        '92.0.4515.131',
        '92.0.4515.159',
        '92.0.4515.43',
        '93.0.4556.0',
        '93.0.4577.15',
        '93.0.4577.63',
        '93.0.4577.82',
        '94.0.4606.41',
        '94.0.4606.54',
        '94.0.4606.61',
        '94.0.4606.71',
        '94.0.4606.81',
        '94.0.4606.85',
        '95.0.4638.17',
        '95.0.4638.50',
        '95.0.4638.54',
        '95.0.4638.69',
        '95.0.4638.74',
        '96.0.4664.18',
        '96.0.4664.45',
        '96.0.4664.55',
        '96.0.4664.93',
        '97.0.4692.20',
    )
    return _USER_AGENT_TPL % random.choice(_CHROME_VERSIONS)


std_headers = {
    'User-Agent': random_user_agent(),
    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
    'Accept-Language': 'en-us,en;q=0.5',
    'Sec-Fetch-Mode': 'navigate',
}


def clean_headers(headers):
    if 'Youtubedl-no-compression' in headers:  # compat
        del headers['Youtubedl-no-compression']
        headers['Accept-Encoding'] = 'identity'