python globals, file

最新推荐文章于 2025-06-22 21:25:49 发布

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最新推荐文章于 2025-06-22 21:25:49 发布

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文章标签： python

本文详细介绍了Python中函数的各种属性，包括文档字符串(__doc__)、函数名称(__name__)、限定名称(__qualname__)等，并解释了这些属性的作用及如何使用它们。此外，还介绍了如何通过__globals__['__file__']获取当前代码所在文件名。

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Attribute	Meaning
`__doc__`	The function’s documentation string, or `None` if unavailable; not inherited by subclasses	Writable
`__name__`	The function’s name	Writable
`__qualname__`	The function’s qualified name New in version 3.3.	Writable
`__module__`	The name of the module the function was defined in, or `None` if unavailable.	Writable
`__defaults__`	A tuple containing default argument values for those arguments that have defaults, or `None` if no arguments have a default value	Writable
`__code__`	The code object representing the compiled function body.	Writable
`__globals__`	A reference to the dictionary that holds the function’s global variables — the global namespace of the module in which the function was defined.	Read-only
`__dict__`	The namespace supporting arbitrary function attributes.	Writable
`__closure__`	`None` or a tuple of cells that contain bindings for the function’s free variables.	Read-only
`__annotations__`	A dict containing annotations of parameters. The keys of the dict are the parameter names, and `'return'` for the return annotation, if provided.	Writable
`__kwdefaults__`	A dict containing defaults for keyword-only parameters.	Writable