如何更正空的初始化文件？

Question

我的包中有几个空的__init__.py文件。如果我保持它们为空，或者我必须在它们内部放置一个pass，这是正确的吗？

有没有关于这个主题的政治公众人物或其他指导方针？

Answer 1

空文件是perfectly fine：

The __init__.py files are required to make Python treat the directories as containing packages; this is done to prevent directories with a common name, such as string, from unintentionally hiding valid modules that occur later on the module search path. In the simplest case, __init__.py can just be an empty file, but it can also execute initialization code for the package or set the __all__ variable, described later.

根据您的计划，这是一个从包中的模块导入公共内容的好地方，这样人们就可以简单地使用from yourpackage import whatever，而不必使用from yourpackage.somemodule import whatever。