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Python modules in Calamares

Submitted by Roy Schestowitz on Wednesday 29th of September 2021 02:43:44 AM Filed under
Development
KDE
Software

Calamares is a distro- and desktop-agnostic installer for Linux distributions. Dozens of distributions, medium and small, use Calamares every day for getting the distro from an ISO image onto the computers of their users. There have been three Calamares releases in the past seven days: release, hotfix and another hotfix. That’s embarrassing, and annoying for the distributions that pick up the latest release on their rolling ISO images. There is one specific cause of this gaggle of releases: Python

Calamares is built to be extensible. There are about 60 modules in the core distribution, another dozen in an -extensions repository, and distributions have their own collections of modules as well. Some modules are written in C++, some are written in Python.

The Python modules are there because it’s easy to write some Python, it’s a nice language, and the requirements for many modules are quite straightforward: read a file, write a file, run some command in the target system. Distributions can also easily contribute to the codebase, because there’s more Python programmers than C++ programmers out there (at least in the making-a-distro scene).

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