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…ing messages Make `mailbox.MH.__setitem__()` failure-atomic by writing replacements to a temporary file before replacing the original. Failed serialization now leaves the existing message unchanged.
lpyu001
marked this pull request as ready for review
September 13, 2026 04:29
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Make
mailbox.MH.__setitem__()failure-atomic by writing replacements to a temporary file before replacing the original. Failed serialization now leaves the existing message unchanged.mailbox.MH.__setitem__()can destroy a message when replacement fails #156312