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Improve the debug log message when installing an incompatible wheel #6540

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cjerdonek
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This PR addresses the following issue mentioned in #6121 by including in the debug message the tags of the wheel that was incompatible:

  • the verbose output about the skipped wheels above provides no information about how pip came to the conclusion that the wheel "is not compatible with this Python". It would be nice if the note provided some more info about why the wheel is not considered compatible.

@cjerdonek cjerdonek added C: logging Information Logging C: wheel The wheel format and 'pip wheel' command type: enhancement Improvements to functionality labels May 26, 2019
@cjerdonek cjerdonek force-pushed the issue-6121-incompatible-wheel-message branch 2 times, most recently from 539eaae to 5b98752 Compare May 26, 2019 04:19
@cjerdonek cjerdonek force-pushed the issue-6121-incompatible-wheel-message branch from 5b98752 to a9a9cfd Compare May 26, 2019 06:59
assert (
'Skipping link: not a file: {}'.format(data.find_links) in
result.stdout
), 'stdout: {}'.format(result.stdout)
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IIRC this can just be , result, right?

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I tried this out, and what happens is it adds other sections of info like -- stderr: ---, -- created: ----, and -- updated: --- (in addition to -- stdout: ----). Since those other sections can also be long and aren't needed, I think it might be better not to include them.

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I'd say they're useful diagnostic information (like an error getting logged on stderr by the networking stuff) or something like that.

I'll leave it to you to decide on what to include here since it's not worth too long a discussion anyway.

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@cjerdonek cjerdonek May 26, 2019

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I'll just leave it off. Normally, the test runner includes lots of surrounding info already. It's just when you can't see the string being checked against where it gets annoying (which was the reason for adding it) -- because it truncates long strings.

assert (
'Skipping link: not a file: {}'.format(data.find_links) in
result.stdout
), 'stdout: {}'.format(result.stdout)
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As above.

@cjerdonek
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Thanks a lot for reviewing, by the way.

@cjerdonek cjerdonek merged commit 6178f96 into pypa:master May 26, 2019
@cjerdonek cjerdonek deleted the issue-6121-incompatible-wheel-message branch May 26, 2019 21:48
@lock lock bot added the auto-locked Outdated issues that have been locked by automation label Jun 25, 2019
@lock lock bot locked as resolved and limited conversation to collaborators Jun 25, 2019
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auto-locked Outdated issues that have been locked by automation C: logging Information Logging C: wheel The wheel format and 'pip wheel' command type: enhancement Improvements to functionality
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