diff options
Diffstat (limited to 'rest_framework/serializers.py')
| -rw-r--r-- | rest_framework/serializers.py | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py index 0164965c..cbf73fc3 100644 --- a/rest_framework/serializers.py +++ b/rest_framework/serializers.py @@ -804,6 +804,10 @@ class ModelSerializer(Serializer): issubclass(model_field.__class__, models.PositiveSmallIntegerField): kwargs['min_value'] = 0 + if model_field.null and \ + issubclass(model_field.__class__, (models.CharField, models.TextField)): + kwargs['allow_none'] = True + attribute_dict = { models.CharField: ['max_length'], models.CommaSeparatedIntegerField: ['max_length'], @@ -821,15 +825,10 @@ class ModelSerializer(Serializer): kwargs.update({attribute: getattr(model_field, attribute)}) try: - field_class = self.field_mapping[model_field.__class__] + return self.field_mapping[model_field.__class__](**kwargs) except KeyError: return ModelField(model_field=model_field, **kwargs) - if issubclass(field_class, CharField) and model_field.null: - kwargs['allow_none'] = True - - return field_class(**kwargs) - def get_validation_exclusions(self): """ Return a list of field names to exclude from model validation. |