Django - 查询结果为“联想”字样？ [英] Django - Query results as 'associative' dict?

问题描述

我想知道Django中是否有任何方便的帮助者可以将查询的结果返回到更可用的格式，因此我不必在我的视图中迭代。

I was wondering if there was any handy helpers in Django which would return the results of a query into a more 'usuable' format so I don't have to iterate through them in my view.

我有一个这样的查询：

self.filter(key__in=keys).values('key','value')

我想要结束的是一个看起来像/ p>

What I want to end up is an object which looks like

{'some_key':'some value', 'some_other_key':'some_other_value'}

所以在我的模型中，我可以这样做：

So in my model I could do something like this:

settings = Setting.objects.get_keys(['some_setting','some_other_setting'])
print settings.some_setting # returns 'some value'

其中'get_keys'是一个运行上述过滤器查询的管理器函数。有什么想法我该怎么做？我不会反对在设置管理器中迭代结果，因为我可以存储它们以供以后使用...我不太清楚如何创建一个全局模型变量。

Where 'get_keys' is a manager function which runs the above filter query. Any idea how I might do this? I wouldn't be opposed to iterating through the results in the Settings Manager because I could store them for later... I couldn't quite figure our how to create a 'global' model variable though.

任何帮助将不胜感激！

推荐答案

如果您使用 values_list 而不是值，它将返回一组两元组，然后您可以传递给 dict（）创建一个字典：

If you use values_list rather than values, it will return a set of two-tuples, which you can then pass to dict() to create a dictionary:

return dict(self.filter(key__in=keys).values_list('key','value'))

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