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Core arguments in serializer fields

Serializer Fields

Serializer fields in Django are same as Django Form fields and Django model fields and thus require certain arguments to manipulate the behaviour of those Fields. 

Argument Description
read_only Set this to True to ensure that the field is used when serializing a representation, but is not used when creating or updating an instance during deserialization
write_only Set this to True to ensure that the field may be used when updating or creating an instance, but is not included when serializing the representation.
required Setting this to False also allows the object attribute or dictionary key to be omitted from output when serializing the instance.
default If set, this gives the default value that will be used for the field if no input value is supplied.
allow_null Normally an error will be raised if None is passed to a serializer field. Set this keyword argument to True if None should be considered a valid value.
source The name of the attribute that will be used to populate the field.
validators A list of validator functions which should be applied to the incoming field input, and which either raise a validation error or simply return.
error_messages A dictionary of error codes to error messages.
label A short text string that may be used as the name of the field in HTML form fields or other descriptive elements.
help_text A text string that may be used as a description of the field in HTML form fields or other descriptive elements.
initial A value that should be used for pre-populating the value of HTML form fields.


Serializers – Django REST Framework

The serializers in the REST framework work very similarly to Django’s Form and ModelForm classes. The two major serializers that are most popularly used are ModelSerializer and HyperLinkedModelSerialzer. This article revolves around how to use serializers from scratch in Django REST Framework to advanced serializer fields and arguments. It assumes one is familiar with How to start a project with Django REST Framework.

  • Creating and Using Serializers
  • ModelSerializer
  • HyperLinkedModelSerializer
  • Serializer Fields
  • Core arguments in serializer fields

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Creating and Using Serializers

Serializers are used to convert complex data types, such as Django model instances, into Python data types that can be easily rendered into JSON, XML, or other content types. Serializers also provide deserialization, allowing parsed data to be converted back into complex types after first validating the incoming data. Serializers in Django are a part of the Django REST framework, a powerful and flexible toolkit for building Web APIs....

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Serializer Fields

A ModelSerializer typically refers to a component of the Django REST framework (DRF).The Django REST framework is a popular toolkit for building Web APIs in Django applications. It provides a set of tools and libraries to simplify the process of building APIs, including serializers....

Core arguments in serializer fields

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Tags:
#Django-REST #Python Django #rest-framework #Python #python

Serializer Fields