def _get_user_repo(url):
    """
        Return the :user/:repo/ from a bitbucket.org url
    """
    if (url.find('://bitbucket.org') > -1) or (url.find('@bitbucket.org') > -1):
        p = url.split('/')
        return '%s/%s' % (p[3], p[4])

    return None