That's correct. I tried to be systematic in the analysis so I tested all
the possibilities.
Your test results were unexpected for `python3 -m venv xxx`. By
default, virtual environments exclude the system and user site
packages. Including them should require the command-line argument
`--system-site-packages`. I'd check sys.path in the environment. Maybe
you have PYTHONPATH set.
Nope, I checked with "echo $PYTHONPATH" and nothing. I also checked
"sys.path" within and without the environment:
Inside the environment:
['', '/usr/lib/python37.zip', '/usr/lib/python3.7',
'/usr/lib/python3.7/lib-dynload',
'/home/user/tmp/xxx/lib/python3.7/site-packages']
Outside the environment:
['', '/usr/lib/python37.zip', '/usr/lib/python3.7',
'/usr/lib/python3.7/lib-dynload',
'/home/user/.local/lib/python3.7/site-packages',
'/usr/local/lib/python3.7/dist-packages',
'/usr/lib/python3/dist-packages']
Indeed the "sys.path" inside the environment does not include system's
site-packages.
I'll keep looking....
A virtual environment is configured by a "pyvenv.cfg" file that's
either beside the executable or one directory up. Activating an
environment is a convenience, not a requirement.
Thanks, that makes a little more sense!
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