[New-bugs-announce] [issue44186] TimedRotatingFileHandler overwrite log

Eiji Ito report at bugs.python.org
Thu May 20 06:21:59 EDT 2021

New submission from Eiji Ito <aeffy7 at gmail.com>:

If you use TimedRotatingFileHandler and specify when='midnight',atTime, the log will always rollover if you start it at the same time as atTime.

For example, if atTime='00:00:00', and you run a script that outputs logs using the logger library twice at 00:00:00, the log that was rolled over the first time will be overwritten by the second rollover, and the 1st rollovered log will be lost.

components: Library (Lib)
messages: 394009
nosy: aeg
priority: normal
severity: normal
status: open
title: TimedRotatingFileHandler overwrite log
type: behavior
versions: Python 3.9

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