On 23-8-2012 20:15, Kurtis Mullins wrote:
> class Factory(models.Model):
> # Assuming suppliers and customers are just two sides of the same
> relationship
> suppliers = models.ManyToManyField("self", related_name="customers")
>
> Then simply query accordingly:
>
> factory_a = Factory.objects.create()
> factory_b = Factory.objects.create()
> factory_c = Factory.objects.create()
> factory_b.customers.add(factory_a)
> factory_c.suppliers.add(factory_a)
Just a "heads up". This works as long as you only have factories. If you
add other entities like "exporters" and "wholesalers" you're going to
need generic relations:
<https://docs.djangoproject.com/en/1.4/ref/contrib/contenttypes/#generic-relations>
--
Melvyn Sopacua
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