PYTHONPATH 和 PYTHON_LIBRARY_PATH 是什么？
我已经安装了一个软件包，但无法让它工作。我知道此问题的可能原因之一是某些环境变量的值不正确（或不存在）。特别是，我知道我需要设置 PYTHONPATH 和 PYTHON_LIBRARY_PATH。要为这些变量设置正确的值，我需要知道它们的含义。
例如，安装包后，我得到一个包含很多*.dll文件的目录。我应该使用此目录的名称作为上述两个环境变量之一的值吗？
我还有另一个目录 (C:\OpenCV2.2\Python2.7\Lib\site-packages)，其中仅包含两个文件： cv.lib 和 CV.pyd。我是否应该使用此目录作为上述环境变量之一的值（人们建议这样做，但我不明白为什么）。
I have installed a package and cannot get it to work. I know that one of the possible reasons of this problem is incorrect (or not existing) values of certain environment variables. In particular, I know that I need to set PYTHONPATH and PYTHON_LIBRARY_PATH. To set the correct values for these variables I need to know their meaning.
For example, after the installation of the package, I got a directory with a lot of *.dll files. Should I use the name of this directory as a value for one of the two above mentioned environment variables?
I also have another directory (C:\OpenCV2.2\Python2.7\Lib\site-packages) that contains just two files: cv.lib and cv.pyd. Should I use this directory as a value for one of the above mentioned environment variables (people recommend that but I do not understand why).
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PYTHONPATH已记录PYTHON_LIBRARY_PATH< /code> 是我从未听说过的东西。该变量未在我的环境中设置，并且在整个文档中未提及。我还搜索了整个 python 源代码，那里也没有提到该字符串。您在哪里看到这个变量？也许这是一些特定于供应商的东西？PYTHONPATHis documentedPYTHON_LIBRARY_PATHis something I never heard of. That variable is not set in my environment and is not mentioned in the entire documentation. I also searched the entire python source code and that string is also not mentioned there. Where did you see about this variable? Maybe it is some vendor-specific thing?