tangentlabs/django-oscar — pull request #583 by maikhoepfel (2013-03-18 16:27:56+00:00)
Title: Add setting to specify required address form fields

OSCAR_REQUIRED_ADDRESS_FIELDS allows setting which fields are required.
The use case is that post codes are expected to be required, but many
countries don't actually use them.

Also makes the postcode model field optional.