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Wed Jun 7 07:53:51 CEST 2006 · https://mail.python.org/pipermail/python-dev/2006-June/065653.html

Tim Peters wrote:
> and filecmp contains a module-level _cache with a funky scheme for
> avoiding file comparisons if various os.stat() values haven't changed.
> But st_mtime on Windows doesn't necessarily change when a file is
> modified -- it has limited resolution (2 seconds on FAT32, and I'm
> having a hard time finding a believable answer for NTFS (which I'm
> using)).

The time stamp itself has a precision of 100ns (it really is a
FILETIME). I don't know whether there is any documentation that
explains how often it is updated; I doubt it has a higher resolution
than the system clock :-)

> Anyone bored enough to report what happens on Linux? 

I had to run it 18 times to get

test_exceptions
beginning 42 repetitions
123456789012345678901234567890123456789012
..........................................
test_exceptions leaked [203, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0] references
1 test OK.

Regards,
Martin

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[Python-Dev] [Python-checkins] Python Regression Test Failures refleak (1)