this post was submitted on 25 Feb 2026
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What's the correct process to install and run a .py application and its dependencies? Where should I save the .py file, where should I run it from, and can it interfere with the rest of my system?

Often there is an application/script I'd like to use and it is provided as a .py file download, along with a list of other applications/scripts that need to be installed separately for it to work. Often not all of these dependencies are available in my distro's repository. There seems to be an assumption of prior knowledge as to how to get set up to run .py files, and it is therefore not documented on developers pages. Can anyone fill me in?

I'd like to install this application. Perhaps it could be used as an example to help explain the process.

My distro is Debian 13, in case that's relevant.

Thanks!

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[–] residentoflaniakea@discuss.tchncs.de 4 points 1 day ago (1 children)

That might work but it is recommended to not install packages outside of virtual environments as it might lead to conflicts between versions across different projects.

[–] IrritableOcelot@beehaw.org 3 points 1 day ago (1 children)

Just FYI, pipx does use a virtual environment behind the scenes. The idea with pipx or uvx is to install a python script as a standalone script.

I did not know that, I assumed they wrote pipx to mean pip/pip3. Thanks for pointing that out.