django1/django/db/models/fields/proxy.py

24 lines
699 B
Python

"""
Field-like classes that aren't really fields. It's easier to use objects that
have the same attributes as fields sometimes (avoids a lot of special casing).
"""
from django.db.models import fields
class OrderWrt(fields.IntegerField):
"""
A proxy for the _order database field that is used when
Meta.order_with_respect_to is specified.
"""
def __init__(self, *args, **kwargs):
kwargs['name'] = '_order'
kwargs['editable'] = False
super(OrderWrt, self).__init__(*args, **kwargs)
def deconstruct(self):
name, path, args, kwargs = super(OrderWrt, self).deconstruct()
del kwargs['editable']
return name, path, args, kwargs