Public bug reported:
This is on Ubuntu 22.04, python3==3.10.4-3.
Run this:
$ python3.10 -mvenv ./venv
$ echo 'print("In sitecustomize.py")' >
./venv/lib/python3.10/site-packages/sitecustomize.py
$ ./venv/bin/python -c ''
[nothing]
Expected output:
In sitecustomize.py
The reason this doesn't work is that the python3 package contains its own
sitecustomize module (at /usr/lib/python3.10/sitecustomize.py) whose job is to
initialize the Apport exception hook, and /usr/lib/python3.10 is listed before
./venv/lib/python3.10/site-packages in the default sys.path.
I think the best way to fix this would be to:
1. Remove /usr/lib/python3.10/sitecustomize.py from
libpython3.10-minimal
2. Add /usr/lib/python3/dist-packages/apport.pth with the following
contents to python3-apport:
import apport_python_hook; apport_python_hook.install()
This would have the same effect as the current sitecustomize.py, but
would not conflict with user-provided sitecustomize modules.
Alternatively, /usr/lib/python3.10/sitecustomize.py could simply be
moved to /usr/lib/python3.10/dist-packages, which would also fix the
problem. A disadvantage of this approach is that a user-defined
/usr/local/lib/python3.10/dist-packages/sitecustomize.py file would
override it and disable the Apport hook.
** Affects: python3.10 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1971637
Title:
sitecustomize.py not imported in a virtual environment
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