默认字段我有一个模型:Django的REST框架:在浏览的API形式
class XCall(models.Model):
created_on = models.DateTimeField(auto_now_add=True)
send_on = models.DateTimeField(default=datetime.now)
recipient = models.ForeignKey(User)
text = models.CharField(max_length=4096)
backup_calls = models.IntegerField(blank=True, null=True)
而且该型号串行:
class CallSerializer(serializers.HyperlinkedModelSerializer):
url = serializers.HyperlinkedIdentityField(
view_name='call-detail',
)
# some validation and custom field definitions
...
class Meta:
model = XCall
fields = ('url', 'id', 'text', 'recipient', 'send_on', 'backup_calls', 'status')
lookup_field= 'pk'
而这里的列表视图:
class CallList(generics.ListCreateAPIView):
serializer_class = CallSerializer
permission_classes = (permissions.IsAuthenticatedOrReadOnly, IsOwnerOrSuperuser,)
def pre_save(self, obj):
auth_user = self.request.user
obj.auth_user = auth_user
def get_queryset(self):
"""
This view should return a list of all the calls
for the currently authenticated user.
"""
auth = self.request.user
if isinstance(auth, AnonymousUser):
return []
elif auth.is_superuser:
return XCall.objects.all()
else:
return XCall.objects.filter(auth_user=auth)
在CallList
的可浏览API中,我在底部的POST表单中看到以下内容:
我的问题是:为什么没有为send_on
设置默认值,并且有一个用于backup_calls
?我认为表格将遵循XCall
模型规范,并使用datetime.now()
来默认前者,并将backup_calls
留空(因为它可以为空)。我怎样才能让表单遵循模型规范?
你有没有解决过这个问题?我目前正在遇到它。 – user2734679