try this
questions = self.context['request'].data.get("questions",None)
If questions is not in request.data it will be set to None. It will work
with your not condition as well.
On Mon, Apr 8, 2019 at 6:35 PM zohaib younis <zabi.jarra...@gmail.com>
wrote:
> arbaz thanks for your guidance i have resolved that issue now when i try
> to create a test it is giving me an error
> for question in data["questions"]:
> keyError :'questions'
> can you help me with that problem thanks
>
> On Mon, Apr 8, 2019 at 3:00 PM Arbaz Hundekar <
> arbaz.hunde...@avetoconsulting.com> wrote:
>
>> while instantiating your serializer do like this ser =
>> Serializer(context={"request": request})
>>
>> On Mon, Apr 8, 2019 at 1:57 PM zohaib younis <zabi.jarra...@gmail.com>
>> wrote:
>>
>>> def validate(self, data, *args, **kwargs):
>>> questions = self.context['request'].data.get("questions")
>>> if not questions:
>>> raise serializers.ValidationError("questions are required")
>>> if self.context["request"].method == "POST":
>>> self.questions = QuestionSerializer(data=questions, many=True)
>>> self.questions.is_valid(raise_exception=True)
>>> elif self.context["request"].method == "PUT":
>>> self.questions = questions
>>> self.new_questions = self.context["request"].data.get(
>>> "new_questions")
>>> if self.new_questions:
>>> self.new_questions = QuestionSerializer(
>>> data=self.new_questions, many=True)
>>> self.new_questions.is_valid(raise_exception=True)
>>> return data
>>>
>>> def create(self, data):
>>> evaluation_test = EvaluationTest()
>>> evaluation_test.category = data['category']
>>> evaluation_test.admin = data['admin']
>>> evaluation_test.title = data['title']
>>> evaluation_test.type = data['type']
>>> evaluation_test.save()
>>>
>>> for question in data['questions']:
>>> question.evaluationtest = evaluation_test
>>> question.save()
>>> return evaluation_test
>>>
>>> def update(self, instance, validated_data):
>>> instance.title = validated_data.get["title", instance.title]
>>> instance.type = validated_data.get["type", instance.type]
>>> instance.category = validated_data.get["category", instance.category]
>>> instance.admin = validated_data.get["admin", instance.admin]
>>>
>>> for question in self.questions:
>>> q = QuestionSerializer(instance=question["id"], data=question)
>>> q.is_valid(raise_exception=True)
>>> q.save()
>>>
>>> if self.new_questions:
>>> new_questions = self.new_questions.save()
>>> for question in new_questions:
>>> question.save()
>>> return instance
>>>
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>>
>>
>> --
>> Warm Regards,
>>
>> Arbaz
>>
>> --
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>>
> --
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>
--
Warm Regards,
Arbaz
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