views.py 文件源码

def is_already_short(url):
    popular_shortening_urls = [
        'bit.ly/',
        'goo.gl/',
        'ow.ly/',
        'is.gd/',
        'buff.ly/',
        'adf.ly/',
        'tinyurl.com/',
        'bit.do/',
        'mcaf.ee/',
        't.co/',
        'tiny.cc/',
        'shorte.st/',
        'idek.net/',
        'po.st/',
        'yep.it/',
        'tr.im/',
        settings.SITE_URL,
    ]
    for shortening_url in popular_shortening_urls:
        if shortening_url in url:
            return True
    return False