<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_auth_params_from_request(request):
 """Extracts properties needed by novaclient call from the request object. These will be used to memoize the calls to novaclient. """

    return (
        request.user.username,
        request.user.token.id,
        request.user.tenant_id,
        request.user.token.project.get('domain_id'),
        base.url_for(request, 'compute'),
        base.url_for(request, 'identity')
    )