def safe_name(name):
    return re.sub('[^A-Za-z0-9.]+', '-', name)
Updates a PTR record with the supplied values.
dataset/ETHPy150Open anzev/hedwig/build/pip/pip/_vendor/pkg_resources/__init__.py/safe_name--crossover with--dataset/ETHPy150Open rackspace/pyrax/pyrax/clouddns.py/CloudDNSClient.update_ptr_record