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-rw-r--r--rest_framework/serializers.py15
1 files changed, 8 insertions, 7 deletions
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 27458f96..0c60d17f 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -227,13 +227,14 @@ class BaseSerializer(Field):
Run `validate_<fieldname>()` and `validate()` methods on the serializer
"""
for field_name, field in self.fields.items():
- try:
- validate_method = getattr(self, 'validate_%s' % field_name, None)
- if validate_method:
- source = field.source or field_name
- attrs = validate_method(attrs, source)
- except ValidationError as err:
- self._errors[field_name] = self._errors.get(field_name, []) + list(err.messages)
+ if field_name not in self._errors:
+ try:
+ validate_method = getattr(self, 'validate_%s' % field_name, None)
+ if validate_method:
+ source = field.source or field_name
+ attrs = validate_method(attrs, source)
+ except ValidationError as err:
+ self._errors[field_name] = self._errors.get(field_name, []) + list(err.messages)
# If there are already errors, we don't run .validate() because
# field-validation failed and thus `attrs` may not be complete.