serializser working for tags but not single tags

utils/tag_serializers.py

@@ -1,5 +1,6 @@
 from rest_framework import serializers
 
+from taggit_serializer.serializers import TagListSerializerField, TaggitSerializer
 
 
 class SingleTag(str):
@@ -37,3 +38,40 @@ class SingleTagSerializerField(serializers.Field):
                 value = value.name
             value = SingleTag(value)
         return value
+
+
+class CustomTagSerializer(serializers.Serializer):
+
+    def create(self, validated_data):
+        to_be_tagged, validated_data = self._pop_tags(validated_data)
+
+        tag_object = super(CustomTagSerializer, self).create(validated_data)
+
+        return self._save_tags(tag_object, to_be_tagged)
+
+    def update(self, instance, validated_data):
+        to_be_tagged, validated_data = self._pop_tags(validated_data)
+
+        tag_object = super(CustomTagSerializer, self).update(
+            instance, validated_data)
+
+        return self._save_tags(tag_object, to_be_tagged)
+
+    def _save_tags(self, tag_object, tags):
+        for key in tags.keys():
+            tag_values = tags.get(key)
+            getattr(tag_object, key).set(*tag_values)
+
+        return tag_object
+
+    def _pop_tags(self, validated_data):
+        to_be_tagged = {}
+        import ipdb; ipdb.set_trace()
+        for key in self.fields.keys():
+            field = self.fields[key]
+            if isinstance(field, TagListSerializerField):
+                if key in validated_data:
+                    to_be_tagged[key] = validated_data.pop(key)
+
+        return (to_be_tagged, validated_data)
+