django doesn't have an ne operator in the orm. You want to use a negated Q
object for your limit_choices_to. try:
from django.db.models import Q
phone = models.ManyToManyField(Phone, limit_choices_to = ~Q(type_id = 'C'))
On Wednesday, February 1, 2017 at 6:17:52 AM UTC+2, Gordon Burgess wrote:
>
>
> I have this code, and with Django 1.10 it works as expected:
>
> class Location(models.Model):
> name = models.CharField(max_length = 32, unique = True)
> street = models.CharField(max_length = 32)
> detail = models.CharField(max_length = 32, blank = True, null = True)
> city = models.CharField(max_length = 32)
> state = USStateField()
> zip = USZipCodeField()
> phone = models.ManyToManyField(Phone, limit_choices_to =
> {'type_id':'H'})
>
> but what I'd like to do is restrict the choices of phone numbers for
> Locations to those that aren't 'C' (cell phones) - I've found some hints,
> but they're all for older versions of Django - it seems like:
>
> phone = models.ManyToManyField(Phone, limit_choices_to =
> {'type_id__ne':'C'})
>
> ought to work - but this provokes a TypeError:
>
> Related Field got invalid lookup: ne
>
> Thanks!
>
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