ci: add readme codeblock checks

This adds a CI check, which uses the python package `codeblocks` to
extract all python codeblocks from the readme to check them with `mypy`
and `pycodestyle`, and also run them with `python` itself.

.github/workflows/ci.yml

@@ -2,6 +2,9 @@ name: ci
 
 on: [push, pull_request]
 
+env:
+ X_PYTHON_VERSION: "3.10"
+
 jobs:
  test:
  runs-on: ubuntu-latest
@@ -46,10 +49,10 @@ jobs:
 
  steps:
  - uses: actions/checkout@v2
- - name: Set up Python 3.10
+ - name: Set up Python ${{ env.X_PYTHON_VERSION }}
  uses: actions/setup-python@v2
  with:
- python-version: "3.10"
+ python-version: ${{ env.X_PYTHON_VERSION }}
  - name: Install Python dependencies
  run: |
  python -m pip install --upgrade pip
@@ -62,6 +65,30 @@ jobs:
  run: |
  pycodestyle --count --max-line-length 120 basyx test
 
+ readme-codeblocks:
+ runs-on: ubuntu-latest
+
+ steps:
+ - uses: actions/checkout@v2
+ - name: Set up Python ${{ env.X_PYTHON_VERSION }}
+ uses: actions/setup-python@v2
+ with:
+ python-version: ${{ env.X_PYTHON_VERSION }}
+ - name: Install Python dependencies
+ run: |
+ python -m pip install --upgrade pip
+ pip install pycodestyle mypy codeblocks
+ pip install -r requirements.txt
+ - name: Check typing with MyPy
+ run: |
+ mypy <(codeblocks python README.md)
+ - name: Check code style with PyCodestyle
+ run: |
+ codeblocks --wrap python README.md | pycodestyle --count --max-line-length 120 -
+ - name: Run readme codeblocks with Python
+ run: |
+ codeblocks python README.md | python
+
  package:
  runs-on: ubuntu-latest