Hi all,
I am trying to implement a custom product module, and ideally I would
like to do it via model inheritance à la <a href="http://
thisismedium.com/labs/satchmo-diaries-part-one/">Bob Waycott</a>.
Unfortunately I have hit some snags. Before I go any further, here is
the model..
<pre>
class Ring(Product):
objects = ProductManager()
multiplier = models.DecimalField(max_digits=5,decimal_places=3)
profile_code = models.ForeignKey('Profile')
metal = models.ForeignKey('Metal')
def _get_subtype(self):
return 'Ring'
def __unicode__(self):
return u"Ring: %s" % self.name
class Admin:
pass
class Meta:
verbose_name = _('Ring')
verbose_name_plural = _('Rings')
</pre>
If I leave off _get_subtypes I get an attribute error, if I leave it
in I blow the stack off with the a max recursion error. It is getting
trapped in the following function call: add_template_context, and the
error is being called on this line "context =
subtype.add_template_context(context, *args, **kwargs)" (line 1098 in
product/models.py). I have tried to glean an understanding of what the
subtype is used for by going through the code, but I have to admit I'm
stumped as to how to fix the problem.
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