如何在单独的文件夹中编译python文件? [英] Way to have compiled python files in a separate folder?

问题描述

是否可以让Python将.pyc文件保存到sys.path中的单独文件夹位置?

Is it possible to have Python save the .pyc files to a separate folder location that is in sys.path?

/code
    foo.py
    foo.pyc
    bar.py
    bar.pyc

收件人:

/code
   foo.py
   bar.py
/code_compiled
   foo.pyc
   bar.pyc

我想要这个，因为我觉得它会更有条理.谢谢您能给我的帮助.

I would like this because I feel it'd be more organized. Thanks for any help you can give me.

推荐答案

更新:

在Python 3.8中，-X pycache_prefix=PATH命令行选项允许将.pyc文件写入到以给定目录为根的并行树中，而不是代码树中.请参见 $PYTHONPYCACHEPREFIX envvar ^{信用: @RobertT'答案}

In Python 3.8 -X pycache_prefix=PATH command-line option enables writing .pyc files to a parallel tree rooted at the given directory instead of to the code tree. See $PYTHONPYCACHEPREFIX envvar^{credits: @RobertT' answer}

在 sys.pycache_prefix (None表示__pycache__ [因为Python 3.2]子目录中的默认位置).

The location of the cache is reported in sys.pycache_prefix (None indicates the default location in __pycache__ [since Python 3.2] subdirectories).

要关闭对已编译的Python字节码的缓存，可以设置-B，这样Python不会尝试在导入源模块时写入.pyc文件.请参见 $PYTHONDONTWRITEBYTECODE envvar ^{信用: @Maleev的答案}

To turn off caching the compiled Python bytecode, -B may be set, then Python won’t try to write .pyc files on the import of source modules. See $PYTHONDONTWRITEBYTECODE envvar^{credits: @Maleev's answer}

^{旧的[Python 2]答案:}

有 PEP 304:控制字节码文件的生成.其状态为Withdrawn，相应的补丁被拒绝.因此，可能没有直接的方法可以做到这一点.

There is PEP 304: Controlling Generation of Bytecode Files. Its status is Withdrawn and corresponding patch rejected. Therefore there might be no direct way to do it.

如果不需要源代码，则可以删除*.py文件. *.pyc文件可以直接使用，也可以装在鸡蛋中.

If you don't need source code then you may just delete *.py files. *.pyc files can be used as is or packed in an egg.

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