[issue38632] setup.py sdist should honor SOURCE_DATE_EPOCH

[Steve Dower]

Steve Dower  added the comment:

Distutils is now deprecated (see PEP 632) and all tagged issues are being 
closed. From now until removal, only release blocking issues will be considered 
for distutils.

If this issue does not relate to distutils, please remove the component and 
reopen it. If you believe it still requires a fix, most likely the issue should 
be re-reported at https://github.com/pypa/setuptools

--
nosy: +steve.dower
resolution:  -> out of date
stage: patch review -> resolved
status: open -> closed

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[issue38632] setup.py sdist should honor SOURCE_DATE_EPOCH

[Matthias Bussonnier]

Matthias Bussonnier  added the comment:

https://github.com/python/cpython/pull/20331 is a first step toward this. 

See comments in there, I would love some reviews. If that gets im I'll be happy 
to send further refactor to make the compression step also respect 
SOURCE_DATE_EPOCH.

For projects building with older python you should be able to unpack/repack 
with your custom scripts that should allow you have bytes identical tar in many 
cases.

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[issue38632] setup.py sdist should honor SOURCE_DATE_EPOCH

[Matthias Bussonnier]

Change by Matthias Bussonnier :


--
keywords: +patch
pull_requests: +19599
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/20331

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[issue38632] setup.py sdist should honor SOURCE_DATE_EPOCH

[Matthias Bussonnier]

Change by Matthias Bussonnier :


--
nosy: +mbussonn

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[issue38632] setup.py sdist should honor SOURCE_DATE_EPOCH

[Zack Weinberg]

New submission from Zack Weinberg :

Reproducibility has so far been concerned primarily with binary packages, but 
it's also desirable for source tarballs to be reproducible starting from a 
version-control checkout.  This is particularly important for Python, where 
'setup.py sdist' can run arbitrary code and generated files (e.g. 
Cython-generated C) are often included in sdists.

As a small step toward this goal, please add support for the SOURCE_DATE_EPOCH 
environment variable to distutils.command.sdist.  The most natural way to 
implement this would be with an additional user option, perhaps called 
'timestamp_limit', which takes a date and time argument.  File modification 
timestamps in the generated tarball or zipfile will be adjusted to be no later 
than that time.  If 'timestamp_limit' is not set, it defaults to the value of 
os.environ['SOURCE_DATE_EPOCH'].

The specification for SOURCE_DATE_EPOCH may be found at 
https://reproducible-builds.org/specs/source-date-epoch/ .

--
components: Distutils
messages: 355652
nosy: dstufft, eric.araujo, zwol
priority: normal
severity: normal
status: open
title: setup.py sdist should honor SOURCE_DATE_EPOCH

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