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converted get_pk to use remote field

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auvipy 2016-04-21 00:44:33 +06:00
parent 3e8f1c9b3a
commit d3a30d40b3
1 changed files with 4 additions and 2 deletions
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6
rest_framework/utils/model_meta.py
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@ -12,6 +12,7 @@ from django.apps import apps
from django.core.exceptions import ImproperlyConfigured from django.core.exceptions import ImproperlyConfigured
from django.db import models from django.db import models
from django.utils import six from django.utils import six
from rest_framework.compat import get_remote_field
FieldInfo = namedtuple('FieldResult', [ FieldInfo = namedtuple('FieldResult', [
'pk', # Model field instance 'pk', # Model field instance
@ -76,9 +77,10 @@ def get_field_info(model):
def _get_pk(opts): def _get_pk(opts):
pk = opts.pk pk = opts.pk
while pk.rel and pk.rel.parent_link: remote_field = get_remote_field(pk)
while remote_field and remote_field.parent_link:
# If model is a child via multi-table inheritance, use parent's pk. # If model is a child via multi-table inheritance, use parent's pk.
pk = pk.rel.to._meta.pk pk = remote_field.to._meta.pk
return pk return pk