I am writing a serializer for a complicated put API with a large validate function. To simplify the logic and make it more readable, I want to create validators for individual fields (I want to make my serializer class as small as possible and hence don’t want to write individual validate methods for each field). I am passing context to my serializer from the view and each of my fields share a common context. I want to use that context in the validator to perform the required checks.

This is how I am attempting to create custom validators:

My validator class:

class MyCustomValidator:
    requires_context = True

    def __call__(self, value, serializer_field):
        context = serializer_field.context
        print(f"got this context: {context}")

my serializer:

class MySerializer(serializers.Serializer):
   my_field = serializers.IntegerField(required=True, validators=[MyCustomValidator()])

sending context in my view:

def get_serializer_context(self): 
    context = super().get_serializer_context() 
    context.update({'test_context': {'key': 'value'}}) 
    return context 

But when I am calling this API, I get the following error:
__call__() missing 1 required positional argument: 'serializer_field'

Can someone please tell me what am I missing here?
Thank you…