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gh-93157: Fix fileinput didn't support errors in inplace mode (GH-95128)

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(cherry picked from commit 5c7f3bcdaf)

Co-authored-by: Inada Naoki <songofacandy@gmail.com>
This commit is contained in:
Miss Islington (bot) 2022-07-23 20:05:10 -07:00 • committed by GitHub
parent e8edbda897
commit 22f06d6ce3
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 18 additions and 3 deletions
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9
Lib/fileinput.py
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@ -335,18 +335,21 @@ class FileInput:
pass
# The next few lines may raise OSError
os.rename(self._filename, self._backupfilename)
self._file = open(self._backupfilename, self._mode, encoding=encoding)
self._file = open(self._backupfilename, self._mode,
encoding=encoding, errors=self._errors)
try:
perm = os.fstat(self._file.fileno()).st_mode
except OSError:
self._output = open(self._filename, self._write_mode, encoding=encoding)
self._output = open(self._filename, self._write_mode,
encoding=encoding, errors=self._errors)
else:
mode = os.O_CREAT | os.O_WRONLY | os.O_TRUNC
if hasattr(os, 'O_BINARY'):
mode |= os.O_BINARY
fd = os.open(self._filename, mode, perm)
self._output = os.fdopen(fd, self._write_mode, encoding=encoding)
self._output = os.fdopen(fd, self._write_mode,
encoding=encoding, errors=self._errors)
try:
os.chmod(self._filename, perm)
except OSError: