OnlineJudge/utils/serializers.py

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# 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)