Re: [IBMiOSS] Do worry - Python newbie calling

In a production environment, you run in the same sort of virtual environment.
They aren't "virtual machines". A Python virt env is just a directory structure and some environment variables.
The create is handled by: python -m env myvirtenv (usually followed by the switch --system-site-packages ... always thus followed on IBM i because you need the system packages because many important modules are hard to build and come from the global environment where they were installed by you via yum.)
The activation of that environment is via : source myvirtenv/bin/activate
You can deactivate thereafter via the command (which comes from the virt env): deactivate
Richard Schoen's QSHOnI ILE code constitutes support for running PASE programs from CL/RPG, including a Python runner that accepts the location of the virt env as an argument.
There are (basically) 3 envs: global, user, virtual
Global is for the system modules and the ones you install via yum.
Virtual is for development and production
The user environment (pip install --user somemodule) is for utilities like qrcode and spyder and black that you use at the command line.
You use virtual envs to isolate your project from other projects with possibly conflicting modules, and to avoid polluting the global environment.

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Subject: Re: [IBMiOSS] Do worry - Python newbie calling

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Thanks Jack, will try to read up on virtual environments.
Need to find a solution that works in a production environment.



Jack Woehr
Independent Consulting Programmer

303-847-8442

jack.woehr@xxxxxxxxxxx

www.procern.com

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