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sys.orig_argv is not original, at least on some systems #125006

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pkit opened this issue Oct 5, 2024 · 2 comments
Open

sys.orig_argv is not original, at least on some systems #125006

pkit opened this issue Oct 5, 2024 · 2 comments

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@pkit
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pkit commented Oct 5, 2024

In an OSX .venv the "original" sys.orig_argv is not really original...

(.venv) % cat orig.py
import sys

print(sys.orig_argv)

(.venv) % python orig.py 
['/opt/homebrew/Cellar/python@3.11/3.11.10/Frameworks/Python.framework/Versions/3.11/Resources/Python.app/Contents/MacOS/Python', 'orig.py']

(.venv) % which python
/Users/user/git/project/.venv/bin/python

I can use os.environ["_"] but it's a workaround.
@pkit pkit mentioned this issue Oct 5, 2024
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@vstinner
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vstinner commented Oct 5, 2024

I cannot reproduce the issue on Linux.

$ python3 -m venv env
$ env/bin/python -c 'import sys; print(sys.orig_argv[0])'
env/bin/python

$ source env/bin/activate
(env) $ python -c 'import sys; print(sys.orig_argv[0])'
python

(env) $ which python
~/env/bin/python
(env) $ ls -l env/bin/python
lrwxrwxrwx 1 vstinner vstinner 7  5 oct.  22:31 env/bin/python -> python3*
(env) $ ls -l env/bin/python3
lrwxrwxrwx 1 vstinner vstinner 16  5 oct.  22:31 env/bin/python3 -> /usr/bin/python3*

You can also have a look at:

(env) vstinner@mona$ python
>>> import sys
>>> sys.executable
'/home/vstinner/env/bin/python'
>>> sys._base_executable
'/usr/bin/python3.12'

@pkit
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pkit commented Oct 5, 2024 •
edited
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Yup. As I've said it's probably OSX-specific

This one is inside venv:

% python -c 'import sys; print(sys.orig_argv[0])'
/opt/homebrew/Cellar/python@3.11/3.11.10/Frameworks/Python.framework/Versions/3.11/Resources/Python.app/Contents/MacOS/Python

% python -c 'import sys; print(sys.executable, sys._base_executable)'
/Users/user/git/project/.venv/bin/python /opt/homebrew/Cellar/python@3.11/3.11.10/Frameworks/Python.framework/Versions/3.11/bin/python3.11

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@vstinner @pkit