本文介绍了Django序列化错误的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试序列化我的django模型:
>>>来自studentapp.models import StudentAcademicPrograms >>>来自studentapp.models import AcademicPrograms,AcademicProgramsManager >>>来自django.core import serializers >>>> json_serializer = serializers.get_serializer(json)>>> data = json_serializer.serialize(StudentAcademicPrograms.objects.all())但是我收到这个错误:
追溯(最近的最近通话):文件< console>,第1行,模块> TypeError:未绑定的方法serialize()必须使用Serializer实例作为第一个参数调用(取而代之的是QuerySet实例)解决方案
您可以这样做:
from django.core .serializers import serialize serialize('json',StudentAcademicPrograms.objects.all())您的具体问题是您尝试在$ code> Serializer 类调用 serialize()类,而不是实例。 p>
JSONSerializer = serializers.get_serializer(json) json_serializer = JSONSerializer() json_serializer.serialize(StudentAcademicPrograms .objects.all()) data = json_serializer.getvalue()还查看来自django docs的此示例。 p>
I am trying to serialize my django model like this:
>>> from studentapp.models import StudentAcademicPrograms >>> from studentapp.models import AcademicPrograms, AcademicProgramsManager >>> from django.core import serializers >>> json_serializer = serializers.get_serializer("json") >>> data = json_serializer.serialize(StudentAcademicPrograms.objects.all())But i am getting this error:
Traceback (most recent call last): File "<console>", line 1, in <module> TypeError: unbound method serialize() must be called with Serializer instance as first argument (got QuerySet instance instead)解决方案
You can do it this way:
from django.core.serializers import serialize serialize('json', StudentAcademicPrograms.objects.all())Your specific problem is that you are try to call serialize() on a Serializer class, not instance.
JSONSerializer = serializers.get_serializer("json") json_serializer = JSONSerializer() json_serializer.serialize(StudentAcademicPrograms.objects.all()) data = json_serializer.getvalue()Also check out this example from django docs.
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