'Purge edge cache for the specified object.
:param email: Email where a notification will be sent when the job
completes. (optional)
:type email: ``str``'

def ex_purge_object_from_cdn(self, obj, email=None):

    container_name = self._encode_container_name(obj.container.name)
    object_name = self._encode_object_name(obj.name)
    headers = ({'X-Purge-Email': email} if email else {})
    response = self.connection.request(('/%s/%s' % (container_name, object_name)), method='DELETE', headers=headers, cdn_request=True)
    return (response.status == httplib.NO_CONTENT)
