def shellComparator(shell, vehicle):
if vehicle is not None:
vDescriptor = vehicle.descriptor
basicShellDescr = getBasicShell(vDescriptor)
return ItemsComparator(params.ShellParams(shell.descriptor, vDescriptor).getParamsDict(), params.ShellParams(basicShellDescr, vDescriptor).getParamsDict())
else:
return
def itemsComparator(currentItem, otherItem, vehicleDescr=None):
return ItemsComparator(getParameters(currentItem, vehicleDescr),
getParameters(otherItem, vehicleDescr))