I highly suspect you’re sending JSON payload with a Form like content type.
JSON’s null is not a unicode.
Regards,
Xavier Ordoquy,
Linovia.
> Le 30 mai 2017 à 10:31, Priyanka Thakur <priyanka.t...@gmail.com> a écrit :
>
> The request is a PUT request , in a test case and the response from the
> serializer API is :
>
> --copy--
> {'architectureattribute': [u'Incorrect type. Expected pk value, received
> unicode.']
> --copy--
>
> This is the error from serializer, which is serializer ouput and not custom
> print output.
>
> Also, the below instance is part of serializer instance ouput.
>
> --copy--
> architectureattribute = PrimaryKeyRelatedField(allow_null=True,
> queryset=Architectureattribute.objects.all(), required=False)
> --copy--
>
> Well anyhow, though I have reduced the problem to more granular level.
>
> QueryDict output contains output in unicode format and hence the comparison
> while "validate_empty_values" with "None" object is failing.
>
> I'm still struggling with 3.6.2 version and haven't tried with 3.6.3 version.
>
> On Tuesday, 30 May 2017 12:24:36 UTC+5:30, Priyanka Thakur wrote:
> I am using Django rest 3.6.2 version .
>
> The model class is having a ForeignKey relationship as :
>
> class Deliverable(model.Model):
> architectureattribute = models.ForeignKey(Architectureattribute,
> blank=True, null=True)
>
>
>
> class DeliverableSerializer(serializers.ModelSerializer):
> class Meta:
> model = Deliverable
> fields = tuple([getattr(x, 'name') for x in
> Deliverable._meta.fields])
>
>
> In Django Rest , the serializer object is decoded as for the foreign key as:
>
> architectureattribute = PrimaryKeyRelatedField(allow_null=True,
> queryset=Architectureattribute.objects.all(), required=False)
>
>
> With a put request i am updating only some fields and since I'm doing
> migration, Database contains null value for the architectureattribute.
>
> But with "null" value , serializer validation is failing.
>
> On debugging I found that the PrimaryKeyRelatedField is not handling the
> "null" value, even though allow_null property is set.
>
> Please explain or guide, as to what I'm doing wrong here .
>
>
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