diff options
Diffstat (limited to 'rest_framework/serializers.py')
| -rw-r--r-- | rest_framework/serializers.py | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py index 397866a7..f7918c4c 100644 --- a/rest_framework/serializers.py +++ b/rest_framework/serializers.py @@ -103,6 +103,7 @@ class BaseSerializer(Field): self.init_data = data self.init_files = files self.object = instance + self.default_fields = self.get_default_fields() self._data = None self._files = None @@ -111,18 +112,18 @@ class BaseSerializer(Field): ##### # Methods to determine which fields to use when (de)serializing objects. - def default_fields(self, nested=False): + def get_default_fields(self): """ Return the complete set of default fields for the object, as a dict. """ return {} - def get_fields(self, nested=False): + def get_fields(self): """ Returns the complete set of fields for the object as a dict. This will be the set of any explicitly declared fields, - plus the set of fields returned by default_fields(). + plus the set of fields returned by get_default_fields(). """ ret = SortedDict() @@ -133,8 +134,7 @@ class BaseSerializer(Field): field.initialize(parent=self, field_name=key) # Add in the default fields - fields = self.default_fields(nested) - for key, val in fields.items(): + for key, val in self.default_fields.items(): if key not in ret: ret[key] = val @@ -181,7 +181,7 @@ class BaseSerializer(Field): ret = self._dict_class() ret.fields = {} - fields = self.get_fields(nested=bool(self.opts.depth)) + fields = self.get_fields() for field_name, field in fields.items(): key = self.get_field_key(field_name) value = field.field_to_native(obj, field_name) @@ -194,7 +194,7 @@ class BaseSerializer(Field): Core of deserialization, together with `restore_object`. Converts a dictionary of data into a dictionary of deserialized fields. """ - fields = self.get_fields(nested=bool(self.opts.depth)) + fields = self.get_fields() reverted_data = {} for field_name, field in fields.items(): try: @@ -209,7 +209,7 @@ class BaseSerializer(Field): Run `validate_<fieldname>()` and `validate()` methods on the serializer """ # TODO: refactor this so we're not determining the fields again - fields = self.get_fields(nested=bool(self.opts.depth)) + fields = self.get_fields() for field_name, field in fields.items(): try: @@ -277,6 +277,9 @@ class BaseSerializer(Field): """ obj = getattr(obj, self.source or field_name) + if is_simple_callable(obj): + obj = obj() + # If the object has an "all" method, assume it's a relationship if is_simple_callable(getattr(obj, 'all', None)): return [self.to_native(item) for item in obj.all()] @@ -332,16 +335,10 @@ class ModelSerializer(Serializer): """ _options_class = ModelSerializerOptions - def default_fields(self, nested=False): + def get_default_fields(self): """ Return all the fields that should be serialized for the model. """ - # TODO: Modify this so that it's called on init, and drop - # serialize/obj/data arguments. - # - # We *could* provide a hook for dynamic fields, but - # it'd be nice if the default was to generate fields statically - # at the point of __init__ cls = self.opts.model opts = get_concrete_model(cls)._meta @@ -353,6 +350,7 @@ class ModelSerializer(Serializer): fields += [field for field in opts.many_to_many if field.serialize] ret = SortedDict() + nested = bool(self.opts.depth) is_pk = True # First field in the list is the pk for model_field in fields: |