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GH-89727: Fix shutil.rmtree() recursion error on deep trees #119808

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Merged
barneygale merged 13 commits into from
Jun 1, 2024
Merged

GH-89727: Fix shutil.rmtree() recursion error on deep trees #119808

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417b829
Tidy up `_rmtree_safe_fd()` implementation.
barneygale May 30, 2024
8d42ea8
Rewrite using list as stack.
barneygale May 30, 2024
7018370
Add NEWS
barneygale May 30, 2024
9f13194
Enable test
barneygale May 30, 2024
aee87db
Use DirEntry.stat() where possible.
barneygale May 30, 2024
d9d0386
Comments, naming, line limit.
barneygale May 30, 2024
4daf2f2
Restore comment.
barneygale May 30, 2024
a335a63
Simplify overall diff
barneygale May 30, 2024
1d4772a
Address some review feedback
barneygale May 31, 2024
462cfc1
Handle further errors in finally: block
barneygale May 31, 2024
8d7ba83
Comments.
barneygale May 31, 2024
11deeab
Handle os.close explicitly
barneygale May 31, 2024
a53e473
Skip os.unlink() if os.DirEntry.is_dir() raises FileNotFoundError
barneygale May 31, 2024
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@barneygale
barneygale committed May 30, 2024
commit 4daf2f20a5922230eab6b970a8103f9c6982f0e9
1 change: 1 addition & 0 deletions Lib/shutil.py
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Original file line number Diff line number Diff line change
Expand Up @@ -656,6 +656,7 @@ def _rmtree_safe_fd(stack, onexc):
func = os.path.islink # For error reporting.
try:
if not os.path.samestat(orig_st, os.fstat(fd)):
# Symlinks to directories are forbidden, see GH-46010.
raise OSError("Cannot call rmtree on a symbolic link")
stack.append((os.rmdir, dir_fd, path, orig_entry))
finally:
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