docs: post install hook

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Originally reported by: thomas-guettler (Bitbucket: thomas-guettler, GitHub: Unknown)

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the current documentation does not contain "post install":

http://pythonhosted.org/setuptools/search.html?q=post+install

Please explain in the docs how to create a post install hook.

Is it still necessary to subclass the cmdclass like in this example?

http://stackoverflow.com/a/1321345/633961

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• Bitbucket: https://bitbucket.org/pypa/setuptools/issue/92

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Original comment by jaraco (Bitbucket: jaraco, GitHub: jaraco):

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Hi Thomas.

To the best of my knowledge, setuptools does not provide a post-install hook. The technique suggested in the SO ticket you referenced should be adequate.

I'm not personally aware of any attempts to add a post-install hook or what challenges such a hook might elicit, but it does seem like a reasonable feature to expect from a packaging system.

There are efforts currently underway to make Python packaging more declarative (and less imperative, as a post-install hook would be), so such a feature might be in conflict with those efforts.

Nevertheless, such a feature at this stage should probably happen at a higher level, probably in distutils sig until a consensus on implementation can be agreed by the community.

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Original comment by thomas-guettler (Bitbucket: thomas-guettler, GitHub: Unknown):

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My bug report was about the missing documentation. I can live without a post-install hook.

But the documentation should state it.

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Original comment by jaraco (Bitbucket: jaraco, GitHub: jaraco):

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I see. Yes, perhaps that makes sense, although this functionality seems like it might be better documented in a wiki than in official documentation, there is no such resource established.

Thomas, would you be willing to draft the docs and put together a pull request?

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Original comment by jaraco (Bitbucket: jaraco, GitHub: jaraco):

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Closing as interest seems to have waned.