def variation_choice(cls, variation, attributes=None, **kwargs):
result = (yield chaining.forward).result
if result is not None:
return
variant = variation.variant.downcast()
price_adjustment = None
if variant.is_variant:
a = Price.calculate(product=variant, raw=True)
b = Price.calculate(product=variant.product, raw=True)
price_adjustment = Price(0)
if a is not None and b is not None:
price_adjustment = (a - b)
values = variation.values.all().order_by('attribute')
if attributes is not None:
values = values.filter(attribute__in=attributes)
values = VARIATION_VALUE_SEPERATOR.join(
[unicode(value) for value in values]
)
yield call_or_format(
VARIATION_CHOICE_FORMAT,
variation=variation,
variant=variant,
values=values,
price_adjustment=price_adjustment
)
def variation_choice(cls, variation, attributes=None, **kwargs):
result = (yield chaining.forward).result
if result is not None:
return
variant = variation.variant.downcast()
price_adjustment = None
if variant.is_variant:
a = Price.calculate(product=variant, raw=True)
b = Price.calculate(product=variant.product, raw=True)
price_adjustment = Price(0)
if a is not None and b is not None:
price_adjustment = (a - b)
values = variation.values.all().order_by('attribute')
if attributes is not None:
values = values.filter(attribute__in=attributes)
values = VARIATION_VALUE_SEPERATOR.join(
[unicode(value) for value in values])
yield call_or_format(VARIATION_CHOICE_FORMAT,
variation=variation,
variant=variant,
values=values,
price_adjustment=price_adjustment)
def __unicode__(self):
# Do not simply supply value=self, this would encourage recursive calls to
# __unicode__
return call_or_format(
VALUE_FORMAT,
value=self.value,
attribute=self.attribute
)
def values_description(values, prefix=None):
values = VARIATION_VALUE_SEPERATOR.join(
[unicode(value) for value in values])
return call_or_format(VARIATION_DESCRIPTION_FORMAT,
prefix=prefix,
values=values)
def format(self, amount, align=-1):
return call_or_format(self._frmt, amount=amount, align=align)
def __unicode__(self):
# Do not simply supply value=self, this would encourage recursive calls to
# __unicode__
return call_or_format(VALUE_FORMAT,
value=self.value,
attribute=self.attribute)
def values_description(values, prefix=None):
values = VARIATION_VALUE_SEPERATOR.join([unicode(value) for value in values])
return call_or_format(VARIATION_DESCRIPTION_FORMAT, prefix=prefix, values=values)
