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gh-99203: `shutil.make_archive()`: restore select CPython <= 3.10.5 behavior by 6t8k · Pull Request #99802 · python/cpython · GitHub

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gh-99203: shutil.make_archive(): restore select CPython <= 3.10.5 behavior - #99802

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serhiy-storchaka merged 6 commits into
python:mainfrom
6t8k:gh-99203
Aug 16, 2023
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gh-99203: shutil.make_archive(): restore select CPython <= 3.10.5 behavior#99802
serhiy-storchaka merged 6 commits into
python:mainfrom
6t8k:gh-99203

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6t8k commented Nov 26, 2022 •
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  • Without this proposed change, if the path held by root_dir does not exist, or is not a directory, then CPython >3.10.5 will create an empty archive, so introduce an explicit check for it being a directory. shutil.make_archive() may then raise FileNotFoundError or NotADirectoryError before proceeding to call the internal format-specific archive creation function, as was formerly (implicitly) caused by os.chdir(root_dir), restoring CPython <=3.10.5 behavior.
  • For consistency, decided to raise the exception in dry run mode too
  • Add corresponding regression tests for both the _make_tarball() and _make_zipfile() scenario: although the former, unlike the latter, may already cause NotADirectoryError or FileNotFoundError to be raised with respect to root_dir without this proposed change, an empty archive will still be created. On the other hand, _make_zipfile(), is able to create an empty archive while not raising any exceptions, so test it as well, even though make_archive() would otherwise already be covered by test_make_tarfile_rootdir_nodir(), which runs regardless of zlib availability.

bedevere-bot mentioned this pull request Nov 26, 2022
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6t8k commented Nov 26, 2022 •
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Will look into the failed Windows tests later.

gh-99203: shutil.make_archive(): restore select CPython <= 3.10.5 b…
ec8b8d1 
…ehavior

Restore following CPython <= 3.10.5 behavior of `shutil.make_archive()`
that went away as part of gh-93160:

Do not create an empty archive if `root_dir` is not a directory, and, in
that case, raise `FileNotFoundError` or `NotADirectoryError` regardless
of `format` choice. Beyond the brought-back behavior, the function may
now also raise these exceptions in `dry_run` mode.

6t8k commented Nov 27, 2022 •
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@giampaolo if I'm not mistaken, the CODEOWNERS lines for ftplib and shutil seem to be missing a * suffix and do not seem to match the respective files as a result.

P.S.: I acknowledge [1], [2] and won't force-push here any longer, sorry.

serhiy-storchaka reviewed Jan 30, 2023
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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

Creating an empty archive without raising an exception is definitely a bug. Leaving an empty archive and raising an exception is more in a grey area, but in any case it is better to not create it if we can to detect an error earlier.

Comment thread Lib/test/test_shutil.py Outdated
Comment thread Lib/test/test_shutil.py Outdated
Comment thread Lib/test/test_shutil.py Outdated
Comment thread Lib/shutil.py Outdated

6t8k commented Jan 30, 2023

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Thanks for the review! I addressed the findings.

6t8k requested review from serhiy-storchaka and removed request for giampaolo January 30, 2023 20:34
serhiy-storchaka approved these changes Aug 16, 2023
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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

LGTM.

Thank you for your response and sorry for the delay. This issue fell off my radar.

serhiy-storchaka added type-bug An unexpected behavior, bug, or error needs backport to 3.11 only security fixes needs backport to 3.12 only security fixes labels Aug 16, 2023
serhiy-storchaka merged commit a86df29 into python:main Aug 16, 2023

miss-islington commented Aug 16, 2023

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Thanks @6t8k for the PR, and @serhiy-storchaka for merging it 🌮🎉.. I'm working now to backport this PR to: 3.11, 3.12.
🐍🍒⛏🤖

miss-islington commented Aug 16, 2023

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Sorry, @6t8k and @serhiy-storchaka, I could not cleanly backport this to 3.11 due to a conflict.
Please backport using cherry_picker on command line.
cherry_picker a86df298df5b02e2d69ea6879e9ed10a7adb85d0 3.11

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Aug 16, 2023
pythongh-99203: shutil.make_archive(): restore select CPython <= 3.10…
49d322b 
….5 behavior (pythonGH-99802)

Restore following CPython <= 3.10.5 behavior of shutil.make_archive()
that went away as part of pythongh-93160:

Do not create an empty archive if root_dir is not a directory, and, in
that case, raise FileNotFoundError or NotADirectoryError regardless
of format choice. Beyond the brought-back behavior, the function may
now also raise these exceptions in dry_run mode.
(cherry picked from commit a86df29)

Co-authored-by: 6t8k <58048945+6t8k@users.noreply.github.com>

bedevere-bot commented Aug 16, 2023

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GH-107998 is a backport of this pull request to the 3.12 branch.

bedevere-bot removed the needs backport to 3.12 only security fixes label Aug 16, 2023
serhiy-storchaka pushed a commit to serhiy-storchaka/cpython that referenced this pull request Aug 16, 2023
[3.11] pythongh-99203: shutil.make_archive(): restore select CPython …
a716563 
…<= 3.10.5 behavior (pythonGH-99802)

Restore following CPython <= 3.10.5 behavior of shutil.make_archive()
that went away as part of pythongh-93160:

Do not create an empty archive if root_dir is not a directory, and, in
that case, raise FileNotFoundError or NotADirectoryError regardless
of format choice. Beyond the brought-back behavior, the function may
now also raise these exceptions in dry_run mode..
(cherry picked from commit a86df29)

Co-authored-by: 6t8k <58048945+6t8k@users.noreply.github.com>

bedevere-bot commented Aug 16, 2023

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GH-107999 is a backport of this pull request to the 3.11 branch.

bedevere-bot removed the needs backport to 3.11 only security fixes label Aug 16, 2023
serhiy-storchaka removed their assignment Aug 16, 2023
serhiy-storchaka added a commit that referenced this pull request Aug 16, 2023
[3.11] gh-99203: shutil.make_archive(): restore select CPython <= 3.1…
4cfbcff 
…0.5 behavior (GH-99802) (GH-107999)

Restore following CPython <= 3.10.5 behavior of shutil.make_archive()
that went away as part of gh-93160:

Do not create an empty archive if root_dir is not a directory, and, in
that case, raise FileNotFoundError or NotADirectoryError regardless
of format choice. Beyond the brought-back behavior, the function may
now also raise these exceptions in dry_run mode.
(cherry picked from commit a86df29)

Co-authored-by: 6t8k <58048945+6t8k@users.noreply.github.com>
Yhg1s pushed a commit that referenced this pull request Aug 16, 2023
[3.12] gh-99203: shutil.make_archive(): restore select CPython <= 3.1…
5d9f20a 
…0.5 behavior (GH-99802) (#107998)

gh-99203: shutil.make_archive(): restore select CPython <= 3.10.5 behavior (GH-99802)

Restore following CPython <= 3.10.5 behavior of shutil.make_archive()
that went away as part of gh-93160:

Do not create an empty archive if root_dir is not a directory, and, in
that case, raise FileNotFoundError or NotADirectoryError regardless
of format choice. Beyond the brought-back behavior, the function may
now also raise these exceptions in dry_run mode.
(cherry picked from commit a86df29)

Co-authored-by: 6t8k <58048945+6t8k@users.noreply.github.com>
6t8k deleted the gh-99203 branch August 16, 2023 19:49
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