def add_cache_bypass(url):
    """
    Adds the current time to the querystring of the URL to force a
    cache reload. Used for when a form post redirects back to a
    page that should display updated content, such as new comments or
    ratings.
    """
    if not cache_installed():
        return url
    hash_str = ""
    if "#" in url:
        url, hash_str = url.split("#", 1)
        hash_str = "#" + hash_str
    url += "?" if "?" not in url else "&"
    return url + "t=" + str(time()).replace(".", "") + hash_str
Adds the current time to the querystring of the URL to force a
    cache reload. Used for when a form post redirects back to a
    page that should display updated content, such as new comments or
    ratings.