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Merge e652922ebf into 5882a7a9d5

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Paul M Furley 2014-10-17 12:06:55 +00:00
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docs/topics/3.0-announcement.md
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@ -154,9 +154,11 @@ We now include a simpler `ValidationFailed` exception class in REST framework th
The `validate_<field_name>` method hooks that can be attached to serializer classes change their signature slightly and return type. Previously these would take a dictionary of all incoming data, and a key representing the field name, and would return a dictionary including the validated data for that field:
from rest_framework.exceptions import ValidationFailed
def validate_score(self, attrs, source):
if attrs[score] % 10 != 0:
raise ValidationError('This field should be a multiple of ten.')
raise ValidationFailed('This field should be a multiple of ten.')
return attrs
This is now simplified slightly, and the method hooks simply take the value to be validated, and return it's validated value.