[issue8668] Packaging: add a 'develop' command

[higery]

higery <shoulderhigher at gmail.com> added the comment:

>>IOW, in my opinion, support for setuptools develop command is not needed in packaging core

Then do you also mean support that for setuptools install is also not necessary in packaging core?

>>and still be taken care directly be the users wanting to run python setup.py develop: I don't see any reason to make it avaible on the stdlib.

I think the current implemention way of Packaging 'install' command just offers an executing router to run a proper 'install', which users doesn't need to know. It also the same to 'develop'. BTW, I think it's ok if setuptools is already installed when a user try to run 'python setup.py develop', if not, python will report error. In addition, Packaging use a different way to issue commands - cd to the source directory, and use 'pysetup run develop' to do the job. Old setup.py will be supported only by issuing commands under the source directory containing the setup.py, and if setuptools exists, Packaging will dispatch the job to it.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8668>
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