Feature/modernisation

.github/workflows/build.yml

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+#
+# How to build this
+
+name: Build
+
+#
+# Operational Variables
+
+env:
+  MAJOR: 0
+  MINOR: 0
+  PYTHON_VERSION: 3.13.0
+
+#
+# Establish when the workflow is run
+# We do build on every push except when we push onto main (which ought to be subject to branch protection)
+# We do build whenever a PR onto main is closed (see on) and the code is actually merged (see release job if)
+# Why is that okay?
+# Since we're making a PR, we know from the previous workflow run on push that the repo is okay and the PR
+# shows that to us. A PR itself doesn't cause a build, except when it is closed and the changes were merged.
+
+on:
+  push:
+    branches-ignore:
+    - main
+  pull_request_target:
+    branches:
+    - main
+    types:
+    - closed
+
+#
+# Workflow
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Checkout out our code
+      uses: actions/checkout@v3
+
+    - name: Calculate Build Context
+      run: |
+        MRMAT_VERSION="${MAJOR}.${MINOR}.${GITHUB_RUN_NUMBER}"
+        if [ "$GITHUB_EVENT_NAME" == 'pull_request_target' && GITHUB_BASE_REF == 'main']; then
+          MRMAT_IS_RELEASE=true
+          echo "::warning ::Building release ${MRMAT_VERSION}"
+          echo "MRMAT_IS_RELEASE=true" >> $GITHUB_ENV
+        else
+          MRMAT_VERSION="${MRMAT_VERSION}.dev0"
+          echo "::warning ::Building version ${MRMAT_VERSION}"
+        fi
+        echo "MRMAT_VERSION=${MRMAT_VERSION}" >> $GITHUB_ENV
+
+    - name: Set up Python ${{ env.PYTHON_VERSION }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ env.PYTHON_VERSION }}
+
+    - name: Establish a cache for dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.local
+          ~/.cache/pip
+        key: ${{ runner.os }}
+
+    - name: Build
+      run: |
+        export PYTHONUSERBASE=${HOME}/.local
+        pip install --user -r requirements.txt -r requirements.dev.txt
+        PYTHONPATH=${GITHUB_WORKSPACE}/src pytest
+        PYTHONPATH=${GITHUB_WORKSPACE}/src python -m build --wheel -n
+
+    - name: Upload test results
+      uses: actions/upload-artifact@v4
+      if: ${{ always() }}
+      with:
+        name: Test and Coverage
+        path: |
+          build/junit.xml
+          build/coverage.xml
+
+    - name: Conditional Release
+      uses: marvinpinto/action-automatic-releases@latest
+      if: (github.event.pull_request.merged == true && github.base_ref == 'main')
+      with:
+        repo_token: "${{ secrets.GITHUB_TOKEN }}"
+        automatic_release_tag: "${{ env.MRMAT_VERSION }}"
+        prerelease: false
+        title: "Release ${{ env.MRMAT_VERSION }}"

.gitignore

@@ -0,0 +1,250 @@
+
+# Created by https://www.toptal.com/developers/gitignore/api/jetbrains,python
+# Edit at https://www.toptal.com/developers/gitignore?templates=jetbrains,python
+
+### JetBrains ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### JetBrains Patch ###
+# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
+
+# *.iml
+# modules.xml
+# .idea/misc.xml
+# *.ipr
+
+# Sonarlint plugin
+# https://plugins.jetbrains.com/plugin/7973-sonarlint
+.idea/**/sonarlint/
+
+# SonarQube Plugin
+# https://plugins.jetbrains.com/plugin/7238-sonarqube-community-plugin
+.idea/**/sonarIssues.xml
+
+# Markdown Navigator plugin
+# https://plugins.jetbrains.com/plugin/7896-markdown-navigator-enhanced
+.idea/**/markdown-navigator.xml
+.idea/**/markdown-navigator-enh.xml
+.idea/**/markdown-navigator/
+
+# Cache file creation bug
+# See https://youtrack.jetbrains.com/issue/JBR-2257
+.idea/$CACHE_FILE$
+
+# CodeStream plugin
+# https://plugins.jetbrains.com/plugin/12206-codestream
+.idea/codestream.xml
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+pytestdebug.log
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+doc/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+pythonenv*
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# profiling data
+.prof
+
+# End of https://www.toptal.com/developers/gitignore/api/jetbrains,python
+
+
+.coverage