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gh-121735: Fix module-adjacent references in zip files (#123037)

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* gh-116608: Apply style and compatibility changes from importlib_metadata.

* gh-121735: Ensure module-adjacent resources are loadable from a zipfile.

* gh-121735: Allow all modules to be processed by the ZipReader.

* Add blurb

* Remove update-zips script, unneeded.

* Remove unnecessary references to removed static fixtures.

* Remove zipdata fixtures, unused.
This commit is contained in:
Jason R. Coombs 2024-09-11 22:33:07 -04:00 • committed by GitHub
parent 3bd942f106
commit ba687d9481
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40 changed files with 225 additions and 263 deletions
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12
Lib/zipimport.py
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@ -256,17 +256,9 @@ class zipimporter(_bootstrap_external._LoaderBasics):
def get_resource_reader(self, fullname):
"""Return the ResourceReader for a package in a zip file.
If 'fullname' is a package within the zip file, return the
'ResourceReader' object for the package. Otherwise return None.
"""
try:
if not self.is_package(fullname):
return None
except ZipImportError:
return None
"""Return the ResourceReader for a module in a zip file."""
from importlib.readers import ZipReader
return ZipReader(self, fullname)