Django метод сериализатора поля считывайте записи
class WritableSerializerMethodField(serializers.SerializerMethodField):
def __init__(self, **kwargs):
self.setter_method_name = kwargs.pop('setter_method_name', None)
self.deserializer_field = kwargs.pop('deserializer_field')
super().__init__(**kwargs)
self.read_only = False
def bind(self, field_name, parent):
retval = super().bind(field_name, parent)
if not self.setter_method_name:
self.setter_method_name = f'set_{field_name}'
return retval
def get_default(self):
default = super().get_default()
return {
self.field_name: default
}
def to_internal_value(self, data):
value = self.deserializer_field.to_internal_value(data)
method = getattr(self.parent, self.setter_method_name)
return {self.field_name: self.deserializer_field.to_internal_value(method(value))}
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