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gh-133656: Remove deprecated zipimport.zipimporter.load_module #133662

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gh-133656: Remove deprecated zipimport.zipimporter.load_module #133662

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Wulian233
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@Wulian233 Wulian233 commented May 8, 2025 •
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@Wulian233

considering how pyhton imports work, You might have to modify the files that run on import or any references to load_module. This will be a really daunting task for you :( sorry!

StanFromIreland
StanFromIreland reviewed May 8, 2025
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StanFromIreland
StanFromIreland reviewed May 8, 2025
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@Wulian233 Will review tmrw

sharktide
sharktide reviewed May 10, 2025
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This PR seems sound, however I'll approve it after stanfromireland and hugovk resolve their conversation, because I am not sure either if it should or shouldn't be in the devguide either :)

ncoghlan
ncoghlan requested changes Aug 2, 2025
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There is some additional sys.path manipulation added to the test case that doesn't look like it should be necessary.

Otherwise this looks good to me.

Lib/test/test_zipimport.py
@@ -552,17 +551,12 @@ def testZipImporterMethods(self):
"spam" + pyc_ext: test_pyc}
self.makeZip(files, file_comment=b"spam")

sys.path.insert(0, TEMP_ZIP)
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This addition to the test case doesn't seem like it should be necessary.

Lib/test/test_zipimport.py
@@ -671,15 +665,12 @@ def testZipImporterMethodsInSubDirectory(self):
packdir2 + TESTMOD + pyc_ext: test_pyc}
self.makeZip(files, file_comment=b"eggs")

sys.path.insert(0, TEMP_ZIP + os.sep + TESTPACK)
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As above (this addition doesn't look correct)

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bedevere-app bot commented Aug 2, 2025

A Python core developer has requested some changes be made to your pull request before we can consider merging it. If you could please address their requests along with any other requests in other reviews from core developers that would be appreciated.

Once you have made the requested changes, please leave a comment on this pull request containing the phrase I have made the requested changes; please review again. I will then notify any core developers who have left a review that you're ready for them to take another look at this pull request.

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Wulian233 commented Aug 3, 2025 •
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There is some additional sys.path manipulation added to the test case that doesn't look like it should be necessary.

Otherwise this looks good to me.

That's necessary. If these two lines are removed, the test will fail (p1)
2025-08-03 132623

with a ModuleNotFoundError because the modules cannot be found. If they are added back, the test passes. We need to make sure Python can find them, which maybe is the negative effect of removing load_module? I'm not an expert for this, and I don't know the underlying reasons for them, sorry

And sys.path.insert is also used in many other places in this file, for example:

https://github.com/Wulian233/cpython/blob/5616e27403799b481f44f96c3a21336fd03941c9/Lib/test/test_zipimport.py#L165
屏幕截图 2025-08-03 134313

https://github.com/Wulian233/cpython/blob/5616e27403799b481f44f96c3a21336fd03941c9/Lib/test/test_zipimport.py#L373

https://github.com/Wulian233/cpython/blob/5616e27403799b481f44f96c3a21336fd03941c9/Lib/test/test_zipimport.py#L420-L422
屏幕截图 2025-08-03 134236

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