Fixed Documentation : Add clarification about context={'request': request} when using HyperlinkedModelSerializer #9729 by alihassancods · Pull Request #9732 · encode/django-rest-framework · GitHub | Latest TMZ Celebrity News & Gossip | Watch TMZ Live
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Fixed Documentation : Add clarification about context={'request': request} when using HyperlinkedModelSerializer #9729 #9732

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@alihassancods alihassancods commented Jun 30, 2025

This PR updates the Tutorial 5 Relationships & Hyperlinked APIs documentation to include an important note:

When using HyperlinkedModelSerializer inside manually instantiated serializers in views (e.g., SnippetDetail), you must pass context={'request': request} to ensure URL fields resolve correctly.

Without this context, developers following the tutorial as written will encounter errors like:

HyperlinkedIdentityField requires the request in the serializer context. Add context={'request': request} when instantiating the serializer.

Motivation:

This omission frequently confuses beginners and is a common source of errors. Including this note will:

  • Reduce friction for new users
  • Prevent unnecessary troubleshooting

Fix #9729

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looks good

@@ -94,6 +94,16 @@ Notice that we've also added a new `'highlight'` field. This field is of the sa

Because we've included format suffixed URLs such as `'.json'`, we also need to indicate on the `highlight` field that any format suffixed hyperlinks it returns should use the `'.html'` suffix.

**Important:**
When you are manually instantiating these serializers inside your views (e.g., in `SnippetDetail` or `SnippetList`), you **must** pass `context={'request': request}` so the serializer knows how to build absolute URLs.
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I believe that by this point, the SnippetDetail and SnippetList both inherit GenericAPIView, which has a get_serializer_context() method. Perhaps this would be a good moment to mention this method.

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Shouldn't we write this in the documentation that when using APIView instead of GenericAPIView you should pass the context to avoid any errors.

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Yes, perhaps. What I'm suggesting is to add a reminder that if you use one of the generic views, you have a method to build the context data that you should use instead of creating the whole dict literal

@@ -94,6 +94,16 @@ Notice that we've also added a new `'highlight'` field. This field is of the sa

Because we've included format suffixed URLs such as `'.json'`, we also need to indicate on the `highlight` field that any format suffixed hyperlinks it returns should use the `'.html'` suffix.

**Important:**
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These kind of paragraphs are usually **Note:** and wrapped with horizontal lines (---) before and after.

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These kind of paragraphs are usually **Note:** and wrapped with horizontal lines (---) before and after.

Sure i will take care of this in my next commits.

Co-authored-by: Bruno Alla <browniebroke@users.noreply.github.com>
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Improper Docs in Tutorial 5 causing error when using HyperlinkedModelSerializer
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