gh-96531: tempfile.TemporaryFile should honour write-only mode #133235
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If the `O_TMPFILE` is available and works `tempfile.TemporaryFile` will always open the temporary file as readable, even if the mode is write only. Fix this by masking off `O_RDWR` and setting `O_WRONLY` if "r" or "+" is not specified in the mode.
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If the
O_TMPFILEis available and workstempfile.TemporaryFilewill always open the temporary file as readable, even if the mode is write only.Fix this by masking off
O_RDWRand settingO_WRONLYif "r" or "+" is not specified in the mode.