yeah, this is something that should probably be added to SA, which is
that your own properties dont get blown away by those set up by SA.
For now, do it like this:
http://www.sqlalchemy.org/docs_02/
adv_datamapping.myt#advdatamapping_properties_overriding
On May 21, 2006, at 4:25 AM, Koen Bok wrote:
I'd like to do something really simple. I have an order with some
products related to it. When I set the quantity of a product to 0,
I'd like it to destroy itself.
The property quantity is bound to the quantity table column by a
mapper.
But when I do product.quantity = 123, _set_quantity does not get
called. What am I doing wrong? Using 0.2 latest SVN.
class Product(object):
def _set_quantity(self, quantity):
print "I GOT CALLED!"
self.quantity = quantity
def _get_quantity(self, quantity):
return self.quantity
quantity = property(_get_quantity, _set_quantity)
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