[issue43344] RotatingFileHandler breaks file type associations
Alexander Smirnov added the comment: the problem with namer solution is that it will stop respecting backupCount parameter -- nosy: +alexander.smirnoff ___ Python tracker <https://bugs.python.org/issue43344> ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue44753] backupCount is not respected in TimedRotatingFileHandler when namer is specified
New submission from Alexander Smirnov :
after adding namer callable (like it is described in
https://bugs.python.org/issue43344) to log handler configuration, it stopped
removing old files
log_filename = os.path.join(log_dir, "application.log")
log_handler = logging.handlers.TimedRotatingFileHandler(log_filename,
when='MIDNIGHT', interval=1, backupCount=7)
// after adding this line, old files are not deleted
log_handler.namer = lambda name: name.replace(".log", "") + ".log"
--
components: Library (Lib)
messages: 398326
nosy: alexander.smirnoff
priority: normal
severity: normal
status: open
title: backupCount is not respected in TimedRotatingFileHandler when namer is
specified
versions: Python 3.8
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[issue43344] RotatingFileHandler breaks file type associations
Alexander Smirnov added the comment:
the namer was implemented to add "*.log" extension, to avoid broken file
association problem.
```
log_handler.namer = lambda name: name.replace(".log", "") + ".log"
```
>implemented carefully enough
Could you please share best practices, looks like this documentation is missing.
I created a separate issue related to disregarding of backupCount configuration
- https://bugs.python.org/issue44753
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