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gh-151669: Normalize symlink targets in tarfile.TarFile.gettarinfo() #151671

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gh-151669: Normalize symlink targets in tarfile.TarFile.gettarinfo() #151671

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gh-151669: Normalize symlink targets in tarfile.TarFile.gettarinfo()
dnicolodi Jun 18, 2026
52b2be0
Add NEWS and whatsnew entries
dnicolodi Jun 24, 2026
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3 changes: 3 additions & 0 deletions Doc/whatsnew/3.15.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -1541,6 +1541,9 @@ tarfile
now replace slashes with backslashes in symlink targets on Windows to prevent
creation of corrupted links.
(Contributed by Christoph Walcher in :gh:`57911`.)
* :func:`~tarfile.TarFile.gettarinfo` now replaces backslashes with slashes in
symlink targets on Windows to conform to the tar format standard. (Contributed
by Daniele Nicolodi in :gh:`151669`.)


threading
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2 changes: 1 addition & 1 deletion Lib/tarfile.py
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Expand Up @@ -2227,7 +2227,7 @@ def gettarinfo(self, name=None, arcname=None, fileobj=None):
type = FIFOTYPE
elif stat.S_ISLNK(stmd):
type = SYMTYPE
linkname = os.readlink(name)
linkname = os.readlink(name).replace(os.sep, "/")
elif stat.S_ISCHR(stmd):
type = CHRTYPE
elif stat.S_ISBLK(stmd):
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Library/2026-06-24-23-28-42.gh-issue-151669.tPUavQ.rst
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@@ -0,0 +1,3 @@
On Windows, when populating tar archives from filesystem content, to
conform to the tar format standard, backslashes in symlink targets are
be replaced by slashes.
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