Lazily evaluate the candidate sequence to prevent unneeded distribution downloads #9289
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pradyunsg
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Dec 15, 2020
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I feel like a full revert of #9264 + release is a better short-term plan, because we know we'll end up in a "clean" state then. |
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Agreed. |
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Ah, I see. We didn’t do this because this fails to return the installed candidate if its version is not found on the index. |
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Hopefully this does the trick. |
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Alright, rebased this to master + re-applying the skip candidate PR. This should be ready to review once 20.3.3 is out. |
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edmorley
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Dec 15, 2020
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pradyunsg
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Dec 19, 2020
pfmoore
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Dec 19, 2020
pfmoore
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Dec 19, 2020
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I came to merge, but there's conflicts here. |
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Skip candidate not providing valid metadata This reverts commit 7165ab8.
When the new resolver needs to upgrade a package, it puts the already-installed package in the middle of the candidate list obtained from indexes. But when doing it, the candidate list is eagerly consumed, causing pip to download all candidates.
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pradyunsg
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* Merge pull request pypa#9289 from uranusjr/new-resolver-lazy-insert * Merge pull request pypa#9315 from pradyunsg/better-search-errors * Merge pull request pypa#9369 from uranusjr/resolvelib-054 * Merge pull request pypa#9320 from uranusjr/wheel-check-valid Verify built wheel contains valid metadata * Merge pull request pypa#9432 from uranusjr/new-resolver-dedup-on-backtracking Avoid downloading multiple candidates of a same version * Revert "Remove on_returncode parameter from call_subprocess" This reverts commit ab3ee71. * Revert "Remove show_stdout from run_command args" This reverts commit 94882fd. * Revert "Create call_subprocess just for vcs commands" This reverts commit 8adbc21. * Revert "Improve check for svn version string" This reverts commit 1471897. * Revert "Bubble up SubProcessError to basecommand._main" This reverts commit e9f738a. * Additional revert of 7969 Revert additional changes that were made after 7969 and depended on it. * add stdout_only to call_subprocess * vcs: capture subprocess stdout only * Add test for call_subprocess stdout_only * Bump for release * Fix test bitrot. Setuptools released 52.0.0 which killed easy_install support and thus caused tests exercising easy_install to fail. Co-authored-by: Pradyun Gedam <[email protected]> Co-authored-by: Stéphane Bidoul <[email protected]> Co-authored-by: Pradyun Gedam <[email protected]>
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Fix #9203, fix #9246 (again).
This PR re-applies the reverted #9264, and adds a fix to the issue that caused it to be reverted in 20.3.2.
The experiement to follow up #9288. I’m not quite sure why we didn’t do this previously… But let’s see if this passes tests.