KeyError: 'user' - django

Question

I want to extend my Django user model using rest_framework to create an api endpoint for project, but I'm getting a KeyError: user, below is my code.
profile apiView
class ProfileListView(generics.ListCreateAPIView):
permission_classes = (IsAuthenticatedOrReadOnly,)
queryset = Profile.objects.all()
serializer_class = ProfileSerializer
profile serializer
class ProfileSerializer(serializers.ModelSerializer):
id = serializers.IntegerField(source = 'pk', read_only = True)
username = serializers.CharField(source = 'user.username', read_only = True)
email = serializers.CharField(source = 'user.email', read_only=True)
class Meta:
model = Profile
fields = ('id', 'email', 'username', 'qualification', 'profession', 'phoneNumber',
'city', 'address', 'surname', 'firstName', 'dp', 'yearOfExperience',
'gender'
)
def create(self, validated_data, instance=None):
user_data = validated_data.pop('user')
user = CustomUser.objects._create_user(**validated_data)
Profile.objects.create(user=user, **user)
return user
profile model
class Profile(models.Model):
user = models.OneToOneField(CustomUser, on_delete=models.CASCADE)
firstName = models.CharField(max_length=255, blank=True, null=True)
surname = models.CharField(max_length=255, blank=True, null=True)
yearOfExperience = models.PositiveIntegerField(default=1)
profession = models.CharField(max_length=250, blank=True, null=True)
dp = models.URLField(blank=True, null=True)
qualification = models.CharField(max_length=255, blank=True, null=True)
phoneNumber = models.CharField(max_length=255, blank=True, null=True)
city = models.CharField(max_length=255, blank=True, null=True)
address = models.CharField(max_length=255, blank=True, null=True)
gender = models.CharField(max_length=255, choices=GENDER)
class Meta:
ordering = ('surname', '-firstName', )
verbose_name = 'Profile'
verbose_name_plural = 'Profiles'
def __str__(self):
return self.user.username
#receiver(post_save, sender=CustomUser)
def create_user_profile(sender, instance=None, created=False, **kwargs):
if created:
Profile.objects.create(user=instance)
instance.profile.save()
Error message:
File "/home/olaneat/Desktop/filez/project/django/funzone/lib/python3.7/site-packages
user_data = validated_data.pop('user')
KeyError: 'user'

Answer 1

You need to check if the user is there before accessing it;
def create(self, validated_data, instance=None):
if 'user' in validated_data:
user_data = validated_data.pop('user')
user = CustomUser.objects._create_user(**validated_data)
Profile.objects.create(user=user, **user)
return user
However you don't never need to do that validated_data.pop() because you're not using user_data after assigning it.