On 10/18/2020 12:25 PM, Rob Cliffe via Python-Dev wrote:
How do I do that, please? I can't see an obvious create option on
that web page. Do I need to log in?
Yes, you need to log in before you can open an issue. You might need to
create an account first if you don't have one: it's called "Register" on
bpo. After you've logged in, there's a Create New button.
Eric
Thanks
Rob Cliffe
On 18/10/2020 05:31, Gregory P. Smith wrote:
Could you please file this as an issue on bugs.python.org
<http://bugs.python.org>?
Thanks!
-Greg
On Sat, Oct 17, 2020 at 7:25 PM Rob Cliffe via Python-Dev
<python-dev@python.org <mailto:python-dev@python.org>> wrote:
TLDR: In os.scandir directory entries, atime is always a copy of
mtime
rather than the actual access time.
Demo program: Windows 10, Python 3.8.3:
# osscandirtest.py
import time, os
with open('Test', 'w') as f: f.write('Anything\n') # Write to a file
time.sleep(10)
with open('Test', 'r') as f: f.readline() # Read the file
print(os.stat('Test'))
for DirEntry in os.scandir('.'):
if DirEntry.name == 'Test':
stat = DirEntry.stat()
print(f'scandir DirEntry {stat.st_ctime=} {stat.st_mtime=}
{stat.st_atime=}')
Sample output:
os.stat_result(st_mode=33206, st_ino=8162774324687317,
st_dev=2230120362, st_nlink=1, st_uid=0,
st_gid=0, st_size=10, st_atime=1600631381, st_mtime=1600631371,
st_ctime=1600631262)
scandir DirEntry stat.st_ctime=1600631262.951019
stat.st_mtime=1600631371.7062848 stat.st_atime=1600631371.7062848
For os.stat, atime is 10 seconds more than mtime, as would be
expected.
But for os.scandir, atime is a copy of mtime.
ISTM that this is a bug, and in fact recently it stopped me from
using
os.scandir in a program where I needed the access timestamp. No big
deal, but ...
If it is a feature for some reason, presumably it should be
documented.
Best wishes
Rob Cliffe
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