/Python/Django serializer method field read write

Django serializer method field read write

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))}

Source: stackoverflow.com

Django serializer method field read write

class ProjectSerializer(serializers.ModelSerializer):
    contract_price = WritableSerializerMethodField(deserializer_field=serializers.DecimalField(max_digits=12, decimal_places=2))

    def get_contract_price(self, project):
        return project.contract_price

    def set_contract_price(self, value):
        return value

Source: stackoverflow.com

Similar codes

2 votes105 views1 answer
C:\Users\saverma2>notebook 'notebook' is not recognized as an internal or external command, operable program or batch file.
Python
0 vote101 views1 answer
How to apply 1nf dataframe in python
Python
0 vote106 views1 answer
Connect to vvenv python
Python
0 vote107 views1 answer
Last executed query in flask api
Python
1 vote123 views2 answers
Django password hashing
Python
27 votes102 views6 answers
Remove column from dataframe
Python
1 vote132 views1 answer
Add search field to django admin
Python Django
0 vote103 views1 answer
Value_counts to list
Python
1 vote97 views1 answer
Python template generics
Python
61 votes113 views6 answers
Python classes
Python