django意见中的args和kwargs

Okay, I've tried searching for this for quite some time. Can I not pass args and kwargs to a view in a django app? Do I necessarily have to define each keyword argument independently?

好吧,我已经尝试了很长一段时间。我不能将args和kwargs传递到django应用程序中的视图吗?我是否必须独立定义每个关键字参数?

For example,

#views.py
def someview(request, *args, **kwargs):
...

And while calling the view,

在调用视图的同时

response = someview(request,locals())

I can't seem to be able to do that. Instead, I have to do:

我似乎无法做到这一点。相反,我必须这样做:

#views.py
def someview(request, somekey = None):
...

Any reasons why?

有什么原因吗?

2 个解决方案

#1

If it's keyword arguments you want to pass into your view, the proper syntax is:

如果要将关键字参数传递到视图中,则正确的语法是:

def view(request, *args, **kwargs):
    pass

my_kwargs = dict(
    hello='world',
    star='wars'
)

response = view(request, **my_kwargs)

thus, if locals() are keyword arguments, you pass in **locals(). I personally wouldn't use something implicit like locals()

因此,如果locals()是关键字参数,则传入** locals()。我个人不会使用像本地人那样隐含的东西()

#2

The problem is that locals() returns a dictionary. If you want to use **kwargs you will need to unpack locals:

问题是locals()返回一个字典。如果你想使用** kwargs,你需要解压当地人:

response = someview(request,**locals())

When you use it like response = someview(request,locals()) you are in fact passing a dictionary as an argument:

当你使用它像response = someview(request,locals())时,你实际上是将字典作为参数传递:

response = someview(request, {'a': 1, 'b': 2, ..})

But when you use **locals() you are using it like this:

但是当你使用** locals()时,你正在使用它:

response = someview(request, a=1, b=2, ..})

You might want to take a look at Unpacking Argument Lists

您可能需要查看解压缩参数列表

#1