使用Python3和更科学的API写法

utils/serializers.py

@@ -1,18 +0,0 @@
-# coding=utf-8
-import json
-
-from django.utils import timezone
-
-from rest_framework import serializers
-
-
-class JSONField(serializers.Field):
-    def to_representation(self, value):
-        return json.loads(value)
-
-
-class DateTimeTZField(serializers.DateTimeField):
-    def to_representation(self, value):
-        self.format = "%Y-%-m-%d %-H:%-M:%-S"
-        value = timezone.localtime(value)
-        return super(DateTimeTZField, self).to_representation(value)