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Always reinstall local distributions provided by the user #9147

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merged 8 commits into from
Nov 26, 2020
Merged

Always reinstall local distributions provided by the user #9147

merged 8 commits into from
Nov 26, 2020

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pradyunsg
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@pradyunsg pradyunsg commented Nov 19, 2020 •
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Toward #8711

@pradyunsg pradyunsg added type: enhancement Improvements to functionality !release blocker Hold a release until this is resolved skip news Does not need a NEWS file entry (eg: trivial changes) type: bugfix labels Nov 19, 2020
@pradyunsg pradyunsg added this to the 20.3 milestone Nov 19, 2020
pfmoore
pfmoore previously requested changes Nov 19, 2020
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I'm inclined to think that we should explicitly not reinstall wheels even if they are local files. I'd like to see some justification for that.

I'm fine with the change as it applies to installs from source.

tests/functional/test_new_resolver.py Outdated Show resolved Hide resolved
@pradyunsg pradyunsg dismissed pfmoore’s stale review November 20, 2020 13:50

Addressed these concerns, I think. :)

@pradyunsg pradyunsg mentioned this pull request Nov 20, 2020
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uranusjr
uranusjr reviewed Nov 20, 2020
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src/pip/_internal/resolution/resolvelib/resolver.py
@@ -147,6 +152,29 @@ def resolve(self, root_reqs, check_supported_wheels):
ireq.should_reinstall = True
elif dist_is_editable(installed_dist) != candidate.is_editable:
ireq.should_reinstall = True
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@uranusjr uranusjr Nov 20, 2020 •
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Not related, but is this a bug? I thought editables are always reinstalled. (i.e. this should be true if dist_is_editable(installed_dist) == candidate.is_editable == True)

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No one's complained yet. And, we'd only hit this if someone tries to install an editable-over-already-installed-editable.

I'm fine with deferring this until someone complains.

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I'd hate to be the one seen as complaining but reinstalling an already installed editable is a very common workflow, to make sure entrypoints are up-to-date. The fix looks easy enough. I'll look at writing a test for this.

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#9116 seems to be along the same lines as well.

pfmoore
pfmoore approved these changes Nov 20, 2020
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LGTM. One comment in the code that needs correcting as it's the opposite of what's meant, and a couple of notes for clarification, but nothing that's a showstopper.

src/pip/_internal/resolution/resolvelib/resolver.py Outdated Show resolved Hide resolved
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@uranusjr uranusjr mentioned this pull request Nov 23, 2020
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@pradyunsg
Re-install local candidates unconditionally
ce46a5e 
Signed-off-by: Pradyun Gedam <pradyunsg@users.noreply.github.com>
@pradyunsg
Ensure we're not mishandling local indexes
bb7fce7 
Signed-off-by: Pradyun Gedam <pradyunsg@users.noreply.github.com>
@pradyunsg
Print a message and don't reinstall wheels
d6e3643 
Also, adds a test for source distributions being reinstalled.

Signed-off-by: Pradyun Gedam <pradyunsg@users.noreply.github.com>
@pradyunsg
Factor out is_archive_file
cd15a85 
Signed-off-by: Pradyun Gedam <pradyunsg@users.noreply.github.com>
@pradyunsg
Add deprecation warning when reinstalling sdists
9add1c1 
Signed-off-by: Pradyun Gedam <pradyunsg@users.noreply.github.com>
@pradyunsg
Don't deprecate reinstalling from .zip files
5753884 
Signed-off-by: Pradyun Gedam <pradyunsg@users.noreply.github.com>
@pradyunsg
Remove test for not reinstalling wheels, as requested
258242f 
Signed-off-by: Pradyun Gedam <pradyunsg@users.noreply.github.com>
@pradyunsg
Drop incorrect line from comment
b2785d8 
This was a copy-paste error that I didn't catch earlier.

Signed-off-by: Pradyun Gedam <pradyunsg@users.noreply.github.com>
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Turns out... Our tests are not robust to us-east-1 going down. ;)

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I'll make a separate PR for editables, with a test. Merging this! :)

@pradyunsg pradyunsg merged commit 254414b into pypa:master Nov 26, 2020
@uranusjr uranusjr mentioned this pull request Nov 28, 2020
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@pradyunsg pradyunsg deleted the reinstall-local-distributions branch November 28, 2020 13:48
@pradyunsg pradyunsg mentioned this pull request Nov 28, 2020
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@uranusjr uranusjr mentioned this pull request Jul 24, 2021
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