def METHOD_NAME(user=None):
	global_defaults = get_defaults_for()
	if not user:
		user = frappe.session.user if frappe.session else "Guest"
	if not user:
		return global_defaults
	defaults = global_defaults.copy()
	defaults.update(get_defaults_for(user))
	defaults.update(user=user, owner=user)
	return defaults