通过字典与非字符串关键字在kwargs发挥作用 [英] Pass dict with non string keywords to function in kwargs

问题描述

我与有签名 F功能（* ARGS，** kwargs）库工作。
我需要通过蟒蛇字典在kwargs的说法，但字典包含不关键字串

I work with library that has function with signature f(*args, **kwargs). I need to pass python dict in kwargs argument, but dict contains not strings in keywords

f(**{1: 2, 3: 4})
Traceback (most recent call last):
  File "<console>", line 1, in <module>
TypeError: f() keywords must be strings

我

如何才能解决这个问题，而无需编辑功能？

How can I get around this without editing the function?

推荐答案

非字符串关键字参数仅仅是不允许的，所以这个问题没有通用的解决方案。您的具体的例子可以通过转换的关键是固定你的字典来的字符串：

Non-string keyword arguments are simply not allowed, so there is no general solution to this problem. Your specific example can be fixed by converting the keys of your dict to strings:

>>> kwargs = {1: 2, 3: 4}
>>> f(**{str(k): v for k, v in kwargs.items()})

这篇关于通过字典与非字符串关键字在kwargs发挥作用的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！