If you ever write unit tests in Python, you are probably familiar with Ned Batchelder’s coverage tool. This article explains how you can use coverage in combination with tox and a GitLab CI pipeline, for coverage reports in your Python code.

Here’s a nice way to initialize a CLI argument parser in Python, with arbitrary levels of subcommands.

In case you need a quick overview of how many radosgw objects live in your Ceph cluster, here‘s how you do that in one (slightly involved) line of Python.