Hi,

I maintain a bunch of standalone python scripts, some of which rely on sage 
python lib. I find very convenient to make it possible for users to invoke 
the scripts from the command line by simply typing e.g. from an Ubuntu 
22.04 LTS bash prompt:
$ ./myscript.py

To do that, the scripts start with the following shebang and some sage lib 
import directive like in the following example:
#!/usr/bin/env python3
from sage.all import GF,EllipticCurve,gcd,log

Users who installed sage python libs in a specific virtualenv can just 
'activate' such virtual env before invoking the script and it just works 
all the same. I'm assuming that is not bad practice but if you think it is, 
I'm open to suggestions.

Now here comes the question. I have just upgraded my distrib to Ubuntu 
24.04 LTS which does not support sage. I had to build sage from source, 
which is OK. Then, to run my python scripts, it seems I only have two 
simple options:

1. start a sage sub-shell which brings a full custom environment:

[myprompt]$ ${my_local_sage_build_dir}/sage -sh
[sage_custom_prompt]$ ./myscript.py

2. invoke python interpreter from sage local build dir to run my script:

myprompt$ ${my_local_sage_build_dir}/sage -python ./myscript.py

Instead of above solutions, is there a way to "just" activate the python 
virtual env that comes with sage local build ? (for instance, there is no 
'activate' script in ${my_local_sage_build_dir}/venv/bin )

Thanks in advance.

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