Improve coding style

.flake8

@@ -0,0 +1,19 @@
+[flake8]
+# Use less conservative limit for max. line length, we all have wider screens today.
+max-line-length = 127
+max-complexity = 15
+# E741 - allow ambiguous variable names such as 'l'.
+# W503 - line breaks should occur before the binary operator (this will become best-practise in the furture)
+ignore = E741, W503
+
+# Exclude some directories
+exclude =
+	./virtualenv
+
+# Deactivate too-complex warning(s)
+per-file-ignores =
+    ./loadskernel/trim_conditions.py:C901
+    ./loadskernel/solution_sequences.py:C901
+    ./loadskernel/plotting_extra.py:C901
+    ./doc/jcl_template.py:E261
+

.github/workflows/coding-style.yml

@@ -0,0 +1,59 @@
+# This workflow will install and then lint the code with Flake8 and Pylint.
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Coding style
+
+on:
+  push:
+    branches: ['master', 'devel']
+  pull_request:
+    branches: '*'
+
+permissions:
+  contents: read
+
+jobs:
+  Flake8:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # Add multiple Python versions here to run tests on new(er) versions.
+        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 flake8
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # The GitHub editor is 127 chars wide
+        flake8 . --count --statistics
+
+  Pylint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+      # Add multiple Python versions here to run tests on new(er) versions.
+        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
+        # Install the package itself to make sure that all imports work.
+        pip install .
+    - name: Analysing the code with pylint
+      run: |
+        pylint $(git ls-files '*.py') --fail-under=7.0

.github/workflows/regression-tests.yml

@@ -0,0 +1,93 @@
+# This workflow will install and then lint the code with Flake8 and Pylint.
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Regression Tests
+
+on:
+  push:
+    branches: ['master', 'devel']
+  pull_request:
+    branches: '*'
+
+jobs:
+  pip-installation:
+    # This stage only tests if the installation is possible.
+    # The evironment created herein will be discared and re-created in the test stage.
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+      # Add multiple Python versions here to run tests on new(er) versions.
+        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: Build and install
+      run: |
+        python -m pip install --upgrade pip
+        # Install with -e (in editable mode) to allow the tracking of the test coverage
+        pip install -e .
+        # Check result of installation
+        which loads-kernel
+        which model-viewer
+        which loads-compare
+
+  Jupyter:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # Add multiple Python versions here to run tests on new(er) versions.
+        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 jupyter-book
+        pip install .
+    - name: Assemble the tutorials to a jupyter book and build htlm pages
+      run: |
+        jupyter-book build ./doc/tutorials
+        # Put the html into a 2nd-level sub-folder and use 1st-level subfolder for uploading
+        mkdir ./doc/html
+        mv ./doc/tutorials/_build/html ./doc/html/tutorials
+    - name: Upload Jupyter book as an artifact
+      uses: actions/upload-artifact@v3
+      with:
+        name: tutorials
+        path: ./doc/html
+        if-no-files-found: ignore
+    - name: Upload Jupyter book for pages
+      # This is not a normal artifact but one that can be deployed to the GitHub pages in the next step
+      uses: actions/upload-pages-artifact@v3
+      with:
+        name: github-pages # This name may not be changed according to the documentation
+        path: ./doc/html
+        if-no-files-found: ignore
+
+  deploy-pages:
+    # Add a dependency to the build job
+    needs: Jupyter
+
+    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
+    permissions:
+      pages: write      # to deploy to Pages
+      id-token: write   # to verify the deployment originates from an appropriate source
+
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup GitHub Pages
+        uses: actions/configure-pages@v4
+      - name: Deploy to Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.gitlab-ci.yml

@@ -24,7 +24,7 @@ stages:
   # Check location
   - pwd
 
-build:
+pip-installation:
   # This stage only tests if the installation is possible.
   # The evironment created herein will be discared and re-created in the test stage.
   stage: build
@@ -36,26 +36,58 @@ build:
     # Check result of installation
     - which loads-kernel
     - which model-viewer
-    - which loads-compare 
+    - which loads-compare
 
-test:
+Jupyter:
+  stage: build
+  tags:
+    - lk
+  script:
+    - *virtualenv
+    # Assemble the tutorials to a jupyter book and build htlm pages
+    - jupyter-book build ./doc/tutorials
+  artifacts:
+    when: always
+    paths:
+      - ./doc/tutorials
+
+Flake8:
+  stage: test
+  tags:
+    - lk
+  script:
+    - *virtualenv
+    - pip install flake8
+    # stop the build if there are Python syntax errors or undefined names
+    - flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+    # Lint with flake8
+    - flake8 . --count --statistics
+
+Pylint:
+   stage: test
+   tags:
+    - lk
+   script:
+     - *virtualenv
+     - pip install pylint
+     # Install the package itself to make sure that all imports work.
+     - pip install .
+     # Analyse the code with pylint
+     - pylint $(git ls-files '*.py') --fail-under=7.0
+
+Pytest:
   stage: test
   timeout: 3 hours
   coverage: '/^TOTAL.+?(\d+\%)$/'
   tags:
     - lk
-  dependencies:
-    - build
   script:
     # Set-up the environement
     - *virtualenv
     # Install with -e (in editable mode) to allow the tracking of the test coverage
     - pip install -e .
-    - which loads-kernel
     # Get the examples repository
     - git clone https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.dlr.de/loads-kernel/loads-kernel-examples.git
-    # Assemble the tutorials to a jupyter book and build htlm pages
-    - jupyter-book build ./doc/tutorials
     # Run the actual testing of the code with pytest
     - pytest -v --basetemp=./test_tmp --cov=loadskernel  --cov=modelviewer --cov=loadscompare --junitxml=testresult.xml
     # Create some reports
@@ -68,19 +100,19 @@ test:
       - coverage.xml
       - testresult.xml
       - coverage
-      - ./doc/tutorials
     reports:
       coverage_report:
         coverage_format: cobertura
         path: coverage.xml
       junit: testresult.xml
 
-pages:
+deploy-pages:
   stage: deploy
   tags:
     - lk
   dependencies:
-    - test
+    - Jupyter
+    - Pytest
   script:
     - mkdir public
     # Publish the coverage htlm results

.pylintrc

@@ -0,0 +1,9 @@
+[MESSAGES CONTROL]
+# Disable the message, report, category or checker with the given id(s).
+# C0103 - doesn't conform to snake_case naming style
+# C0114/5/6 - Missing docstring
+# W0105 - pointless-string-statement, disable it if you're using those strings as documentation, instead of comments.
+disable=C0103,C0114,C0115,C0116,W0105
+
+# Set same max. line length as with Flake8
+max-line-length=127

doc/efcs_template.py

@@ -1,23 +1,24 @@
 '''
-This is a template for an EFCS. For each aircraft, an EFCS must be written which maps the pilot 
-commands to control surface deflections Ux2. This is because every aircraft has different control 
-surfaces (e.g. one or two elevators, multiple ailerons, etc.)  
+This is a template for an EFCS. For each aircraft, an EFCS must be written which maps the pilot
+commands to control surface deflections Ux2. This is because every aircraft has different control
+surfaces (e.g. one or two elevators, multiple ailerons, etc.)
 '''
 import numpy as np
 
-class Efcs:
+
+class Efcs():
+
     def __init__(self):
         self.keys = ['dummy']
         self.Ux2 = np.array([0.0])
-                
+
     def cs_mapping(self, commands):
         """
         Do nothing in particular, this is just a dummy EFCS.
-        command_xi = commands[0] 
+        command_xi = commands[0]
         command_eta = commands[1]
         command_zeta = commands[2]
         ...
         """
-
-
-        return self.Ux2
+
+        return self.Ux2