Python

When writing code, clarity and maintainability are everything. One of the most powerful design principles you can apply to achieve this is CQS - Command Query Separation. What is CQS? CQS (Command Query Separation) means: A function should either do something (a Command) or answer something (a Query) - never

Introduction to PyeAPI The Python Client for eAPI (pyeapi) is a native Python library wrapper around Arista EOS eAPI. It provides a set of Python language bindings for configuring Arista devices. In this blog post, we will look at how to install pyeapi, some prerequisites and some examples. The pyeapi

In this post, I'm going to show you how to dynamically generate tests within Pytest using, in my opinion, one of its best features - parametrization. But first of all ... What is Pytest? Pytest is a flexible open-source framework for testing Python code. Its key strength lies in

Have you ever found yourself patiently waiting as Pip installs the various Python packages needed for your latest project? Well, the good folks at Astral aim to solve this common frustration with their new tool: uv! What is Uv? uv is a fast (10-100 times faster) high-speed package installer and

For a good few years, Black has been the defacto Python formatter. With the recent release of a new tool called Ruff, which describes itself as: An extremely fast Python linter and code formatter ... This raises the question: What is the difference between Black and Ruff? First of all, for

So, here's the deal. We're not here to throw stones at either Python or Go. Both of these languages are tremendous in their own right, especially when we talk about network automation. So next the question is: Should I use Python for Network Automation? or Should

A question that I find is asked a lot in the community is: How do I use Scrapli with legacy devices? For example, devices (such as IOS-XE) that use the older Ciphers by default. i.e. when connecting to the device, you receive an error such as: read : b'

What is JSONata? JSONata is a lightweight query and transformation language for JSON; it provides: * Parsing: Easily pull the data from your payloads with minimal syntax. * Built-in functions: Manipulate your data, for example, sum and join data without moving from JSONata into another language (such as Python). * Path Transversal: Navigate

UIs are great. They make it easy for non-cli folk to drive your tooling, as they don't require the installation of any packages by the client (other than a browser) or any know-how on how to drive a Linux shell. However, under the hood, when building a UI,