Python merge multiple adorners tips

Source: Internet
Author: User

This article mainly introduces Python combination of several adorner tips, this article with the way to rewrite the call function to combine multiple adorners into one line, a function to call, the need for friends can refer to the

Django Program, you need to write a lot of APIs, each function requires several adorners, such as

The code is as follows:

@csrf_exempt

@require_POST

def foo (request):

Pass

Since so many methods need to write 2 adorners, or more, what is the way to combine multiple into one row?

The above function execution procedure should be

The code is as follows:

Csrf_exempt (Require_post (foo))

Modified into

The code is as follows:

def compose (*funs):

def deco (f):

For fun in Reversed (funs):

F = Fun (f)

return F

Return deco

function is rewritten as

The code is as follows:

@compose (Csrf_exempt, Require_post)

def foo (request):

Pass

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