diff options
Diffstat (limited to 'rest_framework/serializers.py')
| -rw-r--r-- | rest_framework/serializers.py | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py index 87d20cfc..c2b414d7 100644 --- a/rest_framework/serializers.py +++ b/rest_framework/serializers.py @@ -49,7 +49,7 @@ def _resolve_model(obj): String representations should have the format: 'appname.ModelName' """ - if type(obj) == str and len(obj.split('.')) == 2: + if isinstance(obj, six.string_types) and len(obj.split('.')) == 2: app_name, model_name = obj.split('.') return models.get_model(app_name, model_name) elif inspect.isclass(obj) and issubclass(obj, models.Model): @@ -759,9 +759,9 @@ class ModelSerializer(Serializer): field.read_only = True ret[accessor_name] = field - + # Ensure that 'read_only_fields' is an iterable - assert isinstance(self.opts.read_only_fields, (list, tuple)), '`read_only_fields` must be a list or tuple' + assert isinstance(self.opts.read_only_fields, (list, tuple)), '`read_only_fields` must be a list or tuple' # Add the `read_only` flag to any fields that have been specified # in the `read_only_fields` option @@ -776,10 +776,10 @@ class ModelSerializer(Serializer): "on serializer '%s'." % (field_name, self.__class__.__name__)) ret[field_name].read_only = True - + # Ensure that 'write_only_fields' is an iterable - assert isinstance(self.opts.write_only_fields, (list, tuple)), '`write_only_fields` must be a list or tuple' - + assert isinstance(self.opts.write_only_fields, (list, tuple)), '`write_only_fields` must be a list or tuple' + for field_name in self.opts.write_only_fields: assert field_name not in self.base_fields.keys(), ( "field '%s' on serializer '%s' specified in " @@ -790,7 +790,7 @@ class ModelSerializer(Serializer): "Non-existant field '%s' specified in `write_only_fields` " "on serializer '%s'." % (field_name, self.__class__.__name__)) - ret[field_name].write_only = True + ret[field_name].write_only = True return ret |