Rebuild a URL with stars covering the password.

star_url.py

def star_url(url):
    """
    Rebuild a URL with stars covering the password.
    """
    url = urlparse(url)
    ret = ""
    # Scheme (http/https)
    if url.scheme:
        ret += "%s://" % url.scheme
    # Username/password
    if url.username:
        ret += url.user
        if url.password:
            ret += ":*****"
        ret += "@"
    # Hostname
    ret += url.hostname
    # Port
    if url.port:
        ret += ":%s" % url.port
    # Path
    ret += url.path
    # Query (?key=value)
    if url.query:
        ret += "?%s" % query
    # Fragment (#some_id)
    if url.fragment:
        ret += "#%s" % fragment
    return ret