from oscar.apps.shipping import abstract_models
from oscar.core.loading import is_model_registered
__all__ = []
if not is_model_registered('shipping', 'OrderAndItemCharges'):
[docs] class OrderAndItemCharges(abstract_models.AbstractOrderAndItemCharges):
pass
__all__.append('OrderAndItemCharges')
if not is_model_registered('shipping', 'WeightBased'):
[docs] class WeightBased(abstract_models.AbstractWeightBased):
pass
__all__.append('WeightBased')
if not is_model_registered('shipping', 'WeightBand'):
[docs] class WeightBand(abstract_models.AbstractWeightBand):
pass
__all__.append('WeightBand')