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Spurious "Provides-Extra:" generated in metadata #1292

wimglenn opened this issue Mar 16, 2018 · 0 comments

Spurious "Provides-Extra:" generated in metadata #1292

wimglenn opened this issue Mar 16, 2018 · 0 comments


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wimglenn commented Mar 16, 2018

In the recently released version of setuptools, when installing my distribution copyingmock, it claims that it provides the extras=['']. Of course, I don't provide the empty-string extra, and the correct metadata should be extras=[]. This seems to be related to using the conditional deps feature, somehow:

install_requires=["mock ; python_version<'3.3'"],

To reproduce the issue, you can get the sdist:

$ pip download copyingmock==0.2 --no-binary copyingmock

Then use git bisect with this script:

#!/usr/bin/env python
import json
import subprocess
import sys
from zipfile import ZipFile

if __name__ == '__main__':
    subprocess.check_call(['pip', 'wheel', '--no-deps', '--no-index', './copyingmock-0.2.tar.gz'])
    whl = ZipFile('copyingmock-0.2-py2.py3-none-any.whl')
    metadata = json.loads('copyingmock-0.2.dist-info/metadata.json'))

    if metadata['extras']:

I did bisect and found

$ git bisect start
$ git bisect bad tags/v38.6.0
$ git bisect good tags/v28.8.0
Bisecting: 375 revisions left to test after this (roughly 9 steps)
[2cd7f22eb62b413d65fe4208d66f7e2738f71a56] Correctly honor exist_ok. Ref #1083.
$ git bisect run ./

b2ea3c4 is the first bad commit.

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