将单个装饰器应用于多种功能 [英] Apply a single decorator to multiple functions

问题描述

我已经进行了搜索，但是看到的结果却相反：将多个装饰器应用于单个函数。

I've searched for this, but the results I've seen involve the opposite: applying multiple decorators to a single function.

我想简化一下这种模式。有没有办法将此单个装饰器应用于多种功能？如果不是，我该如何重写上面的代码以减少重复性？

I'd like to simplify this pattern. Is there a way to apply this single decorator to multiple functions? If not, how can I rewrite the above to be less repetitious?

from mock import patch

@patch('somelongmodulename.somelongmodulefunction')
def test_a(patched):
    pass  # test one behavior using the above function

@patch('somelongmodulename.somelongmodulefunction')
def test_b(patched):
    pass  # test another behavior

@patch('somelongmodulename.somelongmodulefunction')
def test_c(patched):
    pass  # test a third behavior

from mock import patch

patched_name = 'somelongmodulename.somelongmodulefunction'

@patch(patched_name)
def test_a(patched):
    pass  # test one behavior using the above function

@patch(patched_name)
def test_b(patched):
    pass  # test another behavior

@patch(patched_name)
def test_c(patched):
    pass  # test a third behavior

推荐答案

如果只想调用一次 long函数并用结果修饰所有三个函数，则只需执行此操作即可。

If you want to make the "long" function call only once and decorate all three functions with the result, just do exactly that.

my_patch = patch('somelongmodulename.somelongmodulefunction')

@my_patch
def test_a(patched):
    pass

@my_patch
def test_b(patched):
    pass

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