Add Action for Pylint about continuum HOT 4 CLOSED

An initial effort towards creating a unified coding style has been started here: dev_setup.py

This creates a pre-commit hook in .git/hooks/pre-commit, which automatically runs every time you commit.
The script runs the following tools:

1. pylint for python linting
2. black for python formatting
3. yamllint for .yaml files linting
4. ansible-lint for ansible .yaml linting (currently all .yaml files are Ansible files)

Each user has to execute this script once to create the hook.
The codebase has not yet been adapted to follow the advise from these tools, this is ongoing work.

An Ansible configuration file has been created in ansible.cfg. This should be used instead of the global Ansible files, which users currently have to modify according to the README.

Action points

• Update the README, remove the custom Ansible config file changes
• Make every Ansible call in the framework use the custom config file

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We may want to do a 2-way setup:

1. GitHub workflow that runs on every pull request; see the (incomplete) example at the bottom from Linus
2. Pre-commit hook so people can locally check the status of their code; see dev_setup.py link in the previous post.

name: Pylint

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ["3.8"]
    steps:
    - uses: actions/checkout@v3
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v3
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install pylint
    - name: Analysing the code with pylint
      run: |
        pylint $(git ls-files '*.py')

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just as a side-note: If that code comes from my reverted commit, this code is automatically generated by GitHub when you search and add the pylint action

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The entire codebase has been formatted and linted: Before pulling a branch into main, run python3 dev_setup.py, which will create a precommit file that runs a couple of formatters and linters before your commit. Make sure there are no complaints from these packages before pulling something onto main.

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