ENH: Add action code from khalford/check-version-action

.coveragerc

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+[report]
+
+exclude_lines =
+    if __name__ == .__main__.:

.github/workflows/lint.yaml

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+name: Lint
+on: [push, pull_request]
+jobs:
+  test_and_lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [ "3.12", "3.x" ]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Analyse with pylint
+        run: |
+          python3 -m pylint src --recursive=true --rcfile=.pylintrc
+          python3 -m pylint tests --recursive=true --rcfile=.pylintrc
+
+      - name: Run Black formatter
+        uses: psf/black@stable

.github/workflows/self_test.yaml

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+name: Integration Test
+on: [push, pull_request]
+jobs:
+  self-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Main to compare
+        uses: actions/checkout@v4
+        with:
+          ref: 'main'
+          path: 'main'
+
+      - uses: actions/checkout@v4
+        with:
+          path: 'branch'
+
+      - name: Self test
+        if: ${{ github.ref != 'refs/heads/main' }}
+        id: selftest
+        uses: khalford/check-version-action@main
+        with:
+          app_version_path: "version.txt"
+          docker_compose_path: "docker-compose.yml"
+
+      - name: Log Success
+        if: ${{ env.app_updated == 'true' }}
+        run: |
+          echo "App version has been updated correctly!"
+
+      - name: Log Success
+        if: ${{ env.compose_updated == 'true' }}
+        run: |
+          echo "Compose version has been updated correctly!"

.github/workflows/test.yaml

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+name: Unit Test
+on: [push, pull_request]
+jobs:
+  test_and_lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [ "3.12", "3.x" ]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Run tests
+        run: |
+          python3 -m pytest tests
+
+      - name: Run tests and collect coverage
+        run: |
+          python3 -m pytest tests --cov-report xml:coverage.xml --cov
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{secrets.CODECOV_TOKEN}}
+          files: cloud-coverage.xml

.gitignore

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+.idea
+main_version
+branch_version
+src/__pycache__/*
+tests/__pycache__/*

.pylintrc

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+[FORMAT]
+# Black will enforce 88 chars on Python code
+# this will enforce 120 chars on docs / comments
+max-line-length=120
+
+# Disable various warnings:
+
+# W0237 Disabled as it makes the code more readable
+# R0801 Disabled as it's a small amount of duplication
+disable=W0237, R0801
+
+[MASTER]
+init-hook='import sys; sys.path.append("src")'

Dockerfile

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+FROM python:3
+WORKDIR /app
+COPY . .
+RUN pip install -r requirements.txt
+CMD ["python","/app/src/main.py"]

README.md

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-# check-version-action
+# Check Version
+![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/stfc/check-version-action/self_test.yaml?label=Intergration%20Test)
+![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/stfc/check-version-action/lint.yaml?label=Linting)
+![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/stfc/check-version-action/test.yaml?label=Tests)
+[![codecov](https://codecov.io/gh/stfc/check-version-action/graph/badge.svg?token=OD2Z90ST8R)](https://codecov.io/gh/stfc/check-version-action)
+
+
+This action compares the application version number from your working branch to the main branch.
+
+You can also check that the **first** image version that appears in your `docker-compose.yaml` file will match the application version
+
+The comparison follows the PEP 440 Version Identification and Dependency Specification.
+
+More detailed information about the versions can be found [here](https://packaging.python.org/en/latest/specifications/version-specifiers/)
+
+# Usage
+
+## Notes:
+
+As of October 2024 GitHub actions using Docker Containers can only be run on GitHub runners using a Linux operating system.<br>
+Read here for details: [Link to GitHub docs](https://docs.github.com/en/actions/sharing-automations/creating-actions/about-custom-actions#types-of-actions)
+
+The release tag is extracted and stored in `$GITHUB_ENV`,
+you can access this in your workflow with `$ {{ env.release_tag }}` 
+
+<!-- start usage -->
+```yaml
+- name: Checkout main
+  uses: actions/checkout@v4
+  with:
+    # Change to "master" if needed
+    ref: 'main'
+    # Do not change the path here
+    path: 'main'
+
+- name: Checkout current working branch
+  uses: actions/checkout@v4
+  with:
+    # Do not change the path here
+    path: 'branch'
+
+- name: Compare versions
+  # Don't run on main otherwise it will compare main with main
+  if: ${{ github.ref != 'refs/heads/main' }} 
+  id: version_comparison
+  uses: khalford/check-version-action@main
+  with:
+    # Path to version file from project root
+    app_version_path: "version.txt"
+    # Optional: To check if compose image version matches application version
+    docker_compose_path: "docker-compose.yaml"
+
+- name: Log App Success
+  if: ${{ env.app_updated == 'true' }}
+  run: |
+    echo "App version has been updated correctly!"
+
+# Optional: If using the docker compose check
+- name: Log Compose Success
+  if: ${{ env.compose_updated == 'true' }}
+  run: |
+    echo "Compose version has been updated correctly!"
+```
+<!-- end usage -->
+

action.yml

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+name: 'Check Semver Version Number'
+description: 'Check if the semver version number has changed from the main branch. Can also check if the docker compose file reflects the application version.'
+inputs:
+  app_version_path:
+    description: 'Path to main app version file.'
+    required: true
+    default: './version.txt'
+  docker_compose_path:
+    description: 'Path to compose file.'
+    required: false
+outputs:
+  app_updated:
+    description: 'If the app version was updated or not.'
+  compose_updated:
+    description: 'If the compose version was updated or not.'
+
+runs:
+  using: 'docker'
+  image: 'Dockerfile'

docker-compose.yml

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+services:
+  self-test:
+    image: some/test:1.0.0

pytest.ini

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+[pytest]
+pythonpath = src
+testpaths = tests
+python_files = *.py
+python_functions = test_*

requirements.txt

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+packaging
+pylint
+pytest
+pytest-cov

src/base.py

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+"""This is the base module including helper/abstract classes and errors."""
+
+from abc import ABC, abstractmethod
+from pathlib import Path
+from typing import Union
+from packaging.version import Version
+
+
+class VersionNotUpdated(Exception):
+    """The version number has not been updated or updated incorrectly."""
+
+
+class Base(ABC):
+    """The base abstract class to build features on."""
+
+    @abstractmethod
+    def run(self, path1: Path, path2: Path) -> bool:
+        """
+        This method is the entry point to the feature.
+        It should take two paths and return the comparison result.
+        """
+
+    @staticmethod
+    @abstractmethod
+    def read_files(path1: Path, path2: Path) -> (str, str):
+        """This method should read the contents of the compared files and return the strings"""
+
+    @staticmethod
+    @abstractmethod
+    def get_version(content: str) -> Version:
+        """This method should extract the version from the file and return it as a packaging Version object"""
+
+    @staticmethod
+    @abstractmethod
+    def compare(version1: Version, version2: Version) -> Union[bool, VersionNotUpdated]:
+        """This method should compare the versions and return a bool status"""