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| author | Benjamin Peterson <benjamin@python.org> | 2019-11-12 22:51:34 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-11-12 22:51:34 (GMT) |
| commit | 74fa9f723f700a342e582b5ad4b51a2c4801cd1c (patch) | |
| tree | 0d34e5bbb923f72121243ba0c425a39c08d4d411 /Lib/_pyio.py | |
| parent | d593881505c1f4acfd17f41312b27cc898451816 (diff) | |
| download | cpython-74fa9f723f700a342e582b5ad4b51a2c4801cd1c.zip cpython-74fa9f723f700a342e582b5ad4b51a2c4801cd1c.tar.gz cpython-74fa9f723f700a342e582b5ad4b51a2c4801cd1c.tar.bz2 | |
closes bpo-27805: Ignore ESPIPE in initializing seek of append-mode files. (GH-17112)
This change, which follows the behavior of C stdio's fdopen and Python 2's file object, allows pipes to be opened in append mode.
Diffstat (limited to 'Lib/_pyio.py')
| -rw-r--r-- | Lib/_pyio.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Lib/_pyio.py b/Lib/_pyio.py index e819b0a..4c24146 100644 --- a/Lib/_pyio.py +++ b/Lib/_pyio.py @@ -1577,7 +1577,11 @@ class FileIO(RawIOBase): # For consistent behaviour, we explicitly seek to the # end of file (otherwise, it might be done only on the # first write()). - os.lseek(fd, 0, SEEK_END) + try: + os.lseek(fd, 0, SEEK_END) + except OSError as e: + if e.errno != errno.ESPIPE: + raise except: if owned_fd is not None: os.close(owned_fd) |