diff --git a/Lib/shutil.py b/Lib/shutil.py index dc3aac3e07f910..c40f6ddae39a17 100644 --- a/Lib/shutil.py +++ b/Lib/shutil.py @@ -306,7 +306,12 @@ def copymode(src, dst, *, follow_symlinks=True): else: return else: - stat_func, chmod_func = _stat, os.chmod + stat_func = _stat + if os.name == 'nt' and os.path.islink(dst): + def chmod_func(*args): + os.chmod(*args, follow_symlinks=True) + else: + chmod_func = os.chmod st = stat_func(src) chmod_func(dst, stat.S_IMODE(st.st_mode)) diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py index 5ce8e5d77fbbf3..cc5459aa08fe33 100644 --- a/Lib/test/test_shutil.py +++ b/Lib/test/test_shutil.py @@ -1101,19 +1101,18 @@ def test_copymode_follow_symlinks(self): shutil.copymode(src, dst) self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) # On Windows, os.chmod does not follow symlinks (issue #15411) - if os.name != 'nt': - # follow src link - os.chmod(dst, stat.S_IRWXO) - shutil.copymode(src_link, dst) - self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) - # follow dst link - os.chmod(dst, stat.S_IRWXO) - shutil.copymode(src, dst_link) - self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) - # follow both links - os.chmod(dst, stat.S_IRWXO) - shutil.copymode(src_link, dst_link) - self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) + # follow src link + os.chmod(dst, stat.S_IRWXO) + shutil.copymode(src_link, dst) + self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) + # follow dst link + os.chmod(dst, stat.S_IRWXO) + shutil.copymode(src, dst_link) + self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) + # follow both links + os.chmod(dst, stat.S_IRWXO) + shutil.copymode(src_link, dst_link) + self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) @unittest.skipUnless(hasattr(os, 'lchmod'), 'requires os.lchmod') @os_helper.skip_unless_symlink diff --git a/Misc/NEWS.d/next/Library/2023-12-15-20-29-49.gh-issue-113188.AvoraB.rst b/Misc/NEWS.d/next/Library/2023-12-15-20-29-49.gh-issue-113188.AvoraB.rst new file mode 100644 index 00000000000000..17c69572d9f2b1 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2023-12-15-20-29-49.gh-issue-113188.AvoraB.rst @@ -0,0 +1,6 @@ +Fix :func:`shutil.copymode` and :func:`shutil.copystat` on Windows. +Previously they worked differenly if *dst* is a symbolic link: +they modified the permission bits of *dst* itself +rather than the file it points to if *follow_symlinks* is true or *src* is +not a symbolic link, and did not modify the permission bits if +*follow_symlinks* is false and *src* is a symbolic link.