def convert_invalid_url(url):
    """Convert invalid url with adding extra 'http://' schema into it

    :param url:
    :return:
    """
    regex_valid_url = re.compile(
        r'^(?:http|ftp)s?://' # http:// or https://
        r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' #domain...
        r'localhost|' #localhost...
        r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})' # ...or ip
        r'(?::\d+)?' # optional port
        r'(?:/?|[/?]\S+)$', re.IGNORECASE)

    return url if regex_valid_url.match(url) else 'http://{}'.format(url)
Convert invalid url with adding extra 'http://' schema into it

    :param url:
    :return: