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Tweaks to validation notes

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Tom Christie 2014-11-03 16:17:53 +00:00
parent 09f3eedb23
commit 5d7b835608
1 changed files with 3 additions and 6 deletions
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docs/topics/3.0-announcement.md
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@ -188,14 +188,11 @@ Alternatively if you want the errors to be against a specific field, use a dicti
This ensures you can still write validation that compares all the input fields, but that marks the error against a particular field.
#### Limitations of ModelSerializer validation.
#### Differences between ModelSerializer validation and ModelForm.
This change also means that we no longer use the `.full_clean()` method on model instances, but instead perform all validation explicitly on the serializer. This gives a cleaner separation, and ensures that there's no automatic validation behavior on `ModelSerializer` classes that can't also be easily replicated on regular `Serializer` classes.
This change also means that we no longer use the `.full_clean()` method on model instances, but instead perform all validation explicitly on the serializer. This gives a cleaner separation, and ensures that there's no automatic validation behaviour on `ModelSerializer` classes that can't also be easily replicated on regular `Serializer` classes.
This change comes with the following limitations:
* The model `.clean()` method will not be called as part of serializer validation. Use the serializer `.validate()` method to perform a final validation step on incoming data where required.
* The `.unique_for_date`, `.unique_for_month` and `.unique_for_year` options on model fields are not automatically validated. Again, you'll need to handle these explicitly on the serializer if required.
It's important to note that this change also means that the model `.clean()` method will not be called as part of serializer validation, as it would be if using a `ModelForm`. Use the serializer `.validate()` method to perform a final validation step on incoming data where required.
#### Writable nested serialization.