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< a href = "#django-rest-framework-312" > Django REST framework 3.12< / a >
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< a href = "#grouping-operations-with-tags" > Grouping operations with tags.< / a >
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< a href = "#customizing-the-operation-id" > Customizing the operation ID.< / a >
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< a href = "#support-for-openapi-components" > Support for OpenAPI components.< / a >
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< a href = "#support-for-jsonfield" > Support for JSONField.< / a >
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< h1 id = "django-rest-framework-312" > < a class = "toclink" href = "#django-rest-framework-312" > Django REST framework 3.12< / a > < / h1 >
< p > REST framework 3.12 brings a handful of refinements to the OpenAPI schema
generation, plus support for Django's new database-agnostic < code > JSONField< / code > ,
and some improvements to the < code > SearchFilter< / code > class.< / p >
< h2 id = "grouping-operations-with-tags" > < a class = "toclink" href = "#grouping-operations-with-tags" > Grouping operations with tags.< / a > < / h2 >
< p > Open API schemas will now automatically include tags, based on the first element
in the URL path.< / p >
< p > For example...< / p >
< table >
< thead >
< tr >
< th > Method< / th >
< th > Path< / th >
< th > Tags< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td > < code > GET< / code > , < code > PUT< / code > , < code > PATCH< / code > , < code > DELETE< / code > < / td >
< td > < code > /users/{id}/< / code > < / td >
< td > < code > ['users']< / code > < / td >
< / tr >
< tr >
< td > < code > GET< / code > , < code > POST< / code > < / td >
< td > < code > /users/< / code > < / td >
< td > < code > ['users']< / code > < / td >
< / tr >
< tr >
< td > < code > GET< / code > , < code > PUT< / code > , < code > PATCH< / code > , < code > DELETE< / code > < / td >
< td > < code > /orders/{id}/< / code > < / td >
< td > < code > ['orders']< / code > < / td >
< / tr >
< tr >
< td > < code > GET< / code > , < code > POST< / code > < / td >
< td > < code > /orders/< / code > < / td >
< td > < code > ['orders']< / code > < / td >
< / tr >
< / tbody >
< / table >
< p > The tags used for a particular view may also be overridden...< / p >
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< pre > < code class = "language-python" > class MyOrders(APIView):
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schema = AutoSchema(tags=[" users" , " orders" ])
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...
< / code > < / pre >
< p > See < a href = "https://www.django-rest-framework.org/api-guide/schemas/#grouping-operations-with-tags" > the schema documentation< / a > for more information.< / p >
< h2 id = "customizing-the-operation-id" > < a class = "toclink" href = "#customizing-the-operation-id" > Customizing the operation ID.< / a > < / h2 >
< p > REST framework automatically determines operation IDs to use in OpenAPI
schemas. The latest version provides more control for overriding the behaviour
used to generate the operation IDs.< / p >
< p > See < a href = "https://www.django-rest-framework.org/api-guide/schemas/#operationid" > the schema documentation< / a > for more information.< / p >
< h2 id = "support-for-openapi-components" > < a class = "toclink" href = "#support-for-openapi-components" > Support for OpenAPI components.< / a > < / h2 >
< p > In order to output more graceful OpenAPI schemes, REST framework 3.12 now
defines components in the schema, and then references them inside request
and response objects. This is in contrast with the previous approach, which
fully expanded the request and response bodies for each operation.< / p >
< p > The names used for a component default to using the serializer class name, < a href = "https://www.django-rest-framework.org/api-guide/schemas/#components" > but
may be overridden if needed< / a > ...< / p >
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< pre > < code class = "language-python" > class MyOrders(APIView):
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schema = AutoSchema(component_name=" OrderDetails" )
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< / code > < / pre >
< h2 id = "more-public-api" > < a class = "toclink" href = "#more-public-api" > More Public API< / a > < / h2 >
< p > Many methods on the < code > AutoSchema< / code > class have now been promoted to public API,
allowing you to more fully customize the schema generation. The following methods
are now available for overriding...< / p >
< ul >
< li > < code > get_path_parameters< / code > < / li >
< li > < code > get_pagination_parameters< / code > < / li >
< li > < code > get_filter_parameters< / code > < / li >
< li > < code > get_request_body< / code > < / li >
< li > < code > get_responses< / code > < / li >
< li > < code > get_serializer< / code > < / li >
< li > < code > get_paginator< / code > < / li >
< li > < code > map_serializer< / code > < / li >
< li > < code > map_field< / code > < / li >
< li > < code > map_choice_field< / code > < / li >
< li > < code > map_field_validators< / code > < / li >
< li > < code > allows_filters< / code > .< / li >
< / ul >
< p > See < a href = "https://www.django-rest-framework.org/api-guide/schemas/#per-view-customization" > the schema docs< / a >
for details on using custom < code > AutoSchema< / code > subclasses.< / p >
< h2 id = "support-for-jsonfield" > < a class = "toclink" href = "#support-for-jsonfield" > Support for JSONField.< / a > < / h2 >
< p > Django 3.1 deprecated the existing < code > django.contrib.postgres.fields.JSONField< / code >
in favour of a new database-agnositic < code > JSONField< / code > .< / p >
< p > REST framework 3.12 now supports this new model field, and < code > ModelSerializer< / code >
classes will correctly map the model field.< / p >
< h2 id = "searchfilter-improvements" > < a class = "toclink" href = "#searchfilter-improvements" > SearchFilter improvements< / a > < / h2 >
< p > There are a couple of significant improvements to the < code > SearchFilter< / code > class.< / p >
< h3 id = "nested-searches-against-jsonfield-and-hstorefield" > < a class = "toclink" href = "#nested-searches-against-jsonfield-and-hstorefield" > Nested searches against JSONField and HStoreField< / a > < / h3 >
< p > The class now supports nested search within < code > JSONField< / code > and < code > HStoreField< / code > , using
the double underscore notation for traversing which element of the field the
search should apply to.< / p >
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< pre > < code class = "language-python" > class SitesSearchView(generics.ListAPIView):
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" " "
An API view to return a list of archaeological sites, optionally filtered
by a search against the site name or location. (Location searches are
matched against the region and country names.)
" " "
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queryset = Sites.objects.all()
serializer_class = SitesSerializer
filter_backends = [filters.SearchFilter]
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search_fields = [" site_name" , " location__region" , " location__country" ]
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< / code > < / pre >
< h3 id = "searches-against-annotate-fields" > < a class = "toclink" href = "#searches-against-annotate-fields" > Searches against annotate fields< / a > < / h3 >
< p > Django allows querysets to create additional virtual fields, using the < code > .annotate< / code >
method. We now support searching against annotate fields.< / p >
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< pre > < code class = "language-python" > class PublisherSearchView(generics.ListAPIView):
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" " "
Search for publishers, optionally filtering the search against the average
rating of all their books.
" " "
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queryset = Publisher.objects.annotate(avg_rating=Avg(" book__rating" ))
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serializer_class = PublisherSerializer
filter_backends = [filters.SearchFilter]
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search_fields = [" avg_rating" ]
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< / code > < / pre >
< hr / >
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< h2 id = "deprecations" > < a class = "toclink" href = "#deprecations" > Deprecations< / a > < / h2 >
< h3 id = "serializersnullbooleanfield" > < a class = "toclink" href = "#serializersnullbooleanfield" > < code > serializers.NullBooleanField< / code > < / a > < / h3 >
< p > < code > serializers.NullBooleanField< / code > is now pending deprecation, and will be removed in 3.14.< / p >
< p > Instead use < code > serializers.BooleanField< / code > field and set < code > allow_null=True< / code > which does the same thing.< / p >
< hr / >
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< h2 id = "funding" > < a class = "toclink" href = "#funding" > Funding< / a > < / h2 >
< p > REST framework is a < em > collaboratively funded project< / em > . If you use
REST framework commercially we strongly encourage you to invest in its
continued development by < strong > < a href = "../funding/" > signing up for a paid plan< / a > < / strong > .< / p >
< p > < em > Every single sign-up helps us make REST framework long-term financially sustainable.< / em > < / p >
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< li > < a href = "https://retool.com/?utm_source=djangorest&utm_medium=sponsorship" style = "background-image: url(https://fund-rest-framework.s3.amazonaws.com/retool-sidebar.png)" > Retool< / a > < / li >
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< p > < em > Many thanks to all our < a href = "https://fund.django-rest-framework.org/topics/funding/#our-sponsors" > wonderful sponsors< / a > , and in particular to our premium backers, < a href = "https://getsentry.com/welcome/" > Sentry< / a > , < a href = "https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf" > Stream< / a > , < a href = "https://software.esg-usa.com/" > ESG< / a > , < a href = "https://rollbar.com/?utm_source=django&utm_medium=sponsorship&utm_campaign=freetrial" > Rollbar< / a > , < a href = "https://cadre.com" > Cadre< / a > , < a href = "https://hubs.ly/H0f30Lf0" > Kloudless< / a > , < a href = "https://lightsonsoftware.com" > Lights On Software< / a > , and < a href = "https://retool.com/?utm_source=djangorest&utm_medium=sponsorship" > Retool< / a > .< / em > < / p >
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