After doing releases about once a month for a while, I'm thinking it would
be nice if releasing Django could be a bit more automated. As far as I
know, the process hasn't changed too much in 10 years, while the state of
Python packaging has improved.
Currently doing a release requires bumping the VERSION tuple in
django/__init__.py [0], creating tarball/wheel and checksum files, asking
someone in IRC to verify the checks look fine, and upload files to various
locations [1]. My idea would be to use setuptools_scm [2] (that choice
because this is the only tool I know about) to eliminate the need to
bump/set a VERSION tuple and instead fetch the version information based on
git tags. Something like (based on what I found in djanog-hosts [3]):
__version__ = pkg_resources.get_distribution('django').version
One issue I'm not sure how to deal with is how to provides
backwards-compatibility for django.VERSION, the tuple format that looks
something like:
VERSION = (1, 11, 0, 'alpha', 0)
I think removing or deprecating it would be quite disruptive for the
community as I've seen lots of third-party apps that do checks like "if
django.VERSION < (1, 9): ...", for example. I suspect it's possible to
parse the version string to create something similar, but I wondered if
anyone has experience with that.
Finally, uploading to PyPI and djangoproject.com (release and checksum
files) could be done automatically by Jenkins or something similar.
Thanks for your comments, concerns, and suggestions.
[0]
https://github.com/django/django/blob/6252fd6314f66d2d303cc47c791ffefd27169b42/django/__init__.py#L5
[1]
https://docs.djangoproject.com/en/dev/internals/howto-release-django/#actually-rolling-the-release
[2] https://github.com/pypa/setuptools_scm
[3]
https://github.com/jazzband/django-hosts/blob/0eae77b31927ddb0267943d6f9bcfc22f14706f2/django_hosts/__init__.py#L11
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