覆盖Django Object Serializer以摆脱指定的模型 [英] Override Django Object Serializer to get rid of specified model

问题描述

我需要将Django Queryset对象转换为Json字符串。内置的Django序列化库效果很好。虽然它指定了创建它的模型的名称。既然我不需要这个，我该如何摆脱呢？我还需要覆盖哪些东西才能使用下面的覆盖的end_object方法？

I need to convert a Django Queryset Object into a Json string. The built in Django Serialization library works great. Although it specifies the name of the Model from where it was created. Since I don't need this, how do I get rid of it? What else do I need to override to be able to use the overridden end_object method below?

class Serializer(PythonSerializer):
    def end_object(self, obj):
        self.objects.append({
            "model"  : smart_unicode(obj._meta), # <-- I want to remove this
            "pk"     : smart_unicode(obj._get_pk_val(), strings_only=True),
            "fields" : fields
        })  
        self._current = None

推荐答案

对不起，我完全忘了这个问题。这是我最终解决的问题（感谢#django上的FunkyBob）：

Sorry I had totally forgot about this question. This is how I ended up solving it (with thanks to FunkyBob on #django):

from django.core.serializers.python import Serializer

class MySerialiser(Serializer):
    def end_object( self, obj ):
        self._current['id'] = obj._get_pk_val()
        self.objects.append( self._current )

 # views.py
 serializer = MySerialiser()
 data = serializer.serialize(some_qs)

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