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| author | Oleg Iarygin <oleg@arhadthedev.net> | 2023-05-06 22:53:48 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-05-06 22:53:48 (GMT) |
| commit | 42f54d1f9244784fec99e0610aa05a5051e594bb (patch) | |
| tree | 9261147628e5c1543fc8d3784e34ad4dd5edaa58 /Lib/argparse.py | |
| parent | 92d8bfffbf377e91d8b92666525cb8700bb1d5e8 (diff) | |
| download | cpython-42f54d1f9244784fec99e0610aa05a5051e594bb.zip cpython-42f54d1f9244784fec99e0610aa05a5051e594bb.tar.gz cpython-42f54d1f9244784fec99e0610aa05a5051e594bb.tar.bz2 | |
gh-101640: Make argparse _print_message catch any write error (#101802)
* In particular, don't exit when trying to print to stderr = None.
* Add tests
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Diffstat (limited to 'Lib/argparse.py')
| -rw-r--r-- | Lib/argparse.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Lib/argparse.py b/Lib/argparse.py index a819d26..68089a5 100644 --- a/Lib/argparse.py +++ b/Lib/argparse.py @@ -2605,9 +2605,11 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer): def _print_message(self, message, file=None): if message: - if file is None: - file = _sys.stderr - file.write(message) + file = file or _sys.stderr + try: + file.write(message) + except (AttributeError, OSError): + pass # =============== # Exiting methods |