使用 Distribution/setuptools 创建符号链接（或运行脚本）？

发布于 2024-08-20 01:18:20 字数 470 浏览 12 评论 0原文

作为项目设置过程的一部分，我需要将其中一个包符号链接到指定目录，以便 init.d 脚本可以找到它。有什么方法可以将其作为后处理命令添加到 setup() 中吗？我什至愿意创建另一个文件来创建链接并将其传递给 setup() 作为“运行这些”的一些 kwarg 列表的一部分（如果存在这样的选项）。

setup(
    ...
    packages = find_packages('src'),
    package_dir = {'': 'src'},
    install_requires = ...,
    data_files = [('/etc/init.d', ['scripts/foo'])],
    ...
)

该 foo 脚本期望将 src/ 中的包之一符号链接到其他地方的目录（例如，不仅仅是位于 PYTHONPATH 上）。有办法实现吗？

原文

As part of my project's setup process, I need to symlink one of the packages to a specified directory so an init.d script can find it. Is there any way to add this as a post-processing command to setup()? I would even settle for creating another file that creates the link and pass it to setup() as part of some kwarg list of "run these" (if such an option exists).

setup(
    ...
    packages = find_packages('src'),
    package_dir = {'': 'src'},
    install_requires = ...,
    data_files = [('/etc/init.d', ['scripts/foo'])],
    ...
)

that foo script expects one of the packages from src/ to be symlinked to directory elsewhere (e.g. not simply be on PYTHONPATH). Is there a way to achieve that?

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燃情 2024-08-27 01:18:20

我知道这篇文章已经有好几年了，但我想提供一个更新，说明可以在 setup.py 中进行后处理代码。长话短说，您必须覆盖 setuptools 的安装功能，但从那时起您可以添加任何您想要的代码，例如复制 MANIFEST.in 拒绝复制的符号链接。摘自 Peter Lamut 的解决方案。

from setuptools.command.install import install

class CustomInstallCommand(install):
    """Customized setuptools install command - prints a friendly greeting."""
    def run(self):
        print "Hello, developer, how are you? :)"
        install.run(self)
        #post-processing code
setup(
    ...
    cmdclass={
        'install': CustomInstallCommand,
    },
    ...
)

I know this post is several years old but I wanted to provide an update that post-processing code is possible in setup.py. Long story short, you have to override the install function of setuptools but from then on you can add whatever code you want, such as copying symlinks that MANIFEST.in refuses to copy. Taken from Peter Lamut's solution.

from setuptools.command.install import install

class CustomInstallCommand(install):
    """Customized setuptools install command - prints a friendly greeting."""
    def run(self):
        print "Hello, developer, how are you? :)"
        install.run(self)
        #post-processing code
setup(
    ...
    cmdclass={
        'install': CustomInstallCommand,
    },
    ...
)

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