Add messages implementation for python

.github/workflows/test-python.yml

@@ -0,0 +1,59 @@
+---
+name: test-python
+
+on:  # yamllint disable-line rule:truthy
+  push:
+    branches:
+      - main
+      - renovate/**
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 20
+    strategy:
+      matrix:
+        python-version:
+          - "3.8"
+          - "3.9"
+          - "3.10"
+          - "3.11"
+          - "pypy3.8"
+          - "pypy3.9"
+          - "pypy3.10"
+        os:
+          - ubuntu-latest
+          - windows-latest
+          - macos-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -U setuptools
+          pip install tox tox-gh-actions codecov
+      - name: Test with tox
+        working-directory: ./python
+        run: |
+          tox
+          codecov
+      - name: Build checking
+        working-directory: ./python
+        if: "matrix.python-version == '3.11'"
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+        run: |
+          python -m pip install --upgrade build twine
+          python -m build
+          twine check dist/*

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 ### Added
+- Added Python implementation ([#165](https://github.com/cucumber/messages/pull/165))
 - Added C++ implementation ([#152](https://github.com/cucumber/messages/pull/152))
 
 ## [22.0.0] - 2023-04-06

python/.gitignore

@@ -0,0 +1,55 @@
+*.rej
+*.py[cod]
+/.env
+*.orig
+**/__pycache__
+
+# C extensions
+*.so
+
+# Packages
+*.egg
+*.egg-info
+dist
+build
+_build
+eggs
+parts
+bin
+var
+sdist
+develop-eggs
+.installed.cfg
+lib
+lib64
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+nosetests.xml
+
+# Translations
+*.mo
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+.pytest_cache
+.ropeproject
+
+# Sublime
+/*.sublime-*
+
+#PyCharm
+/.idea
+
+# virtualenv
+/.Python
+/lib
+/include
+/share
+/local

python/.pre-commit-config.yaml

@@ -0,0 +1,48 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+---
+repos:
+  - repo: https://github.com/psf/black
+    rev: 23.3.0
+    hooks:
+      - id: black
+        args:
+          - "python/src"
+          - "python/tests"
+  - repo: https://github.com/pycqa/isort
+    rev: 5.12.0
+    hooks:
+      - id: isort
+        name: isort (python)
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+      - id: check-toml
+  - repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks
+    rev: v2.9.0
+    hooks:
+      - id: pretty-format-toml
+        args: [--autofix]
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v3.7.0
+    hooks:
+      - id: pyupgrade
+        args: ["--py38-plus"]
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.4.1
+    hooks:
+      - id: mypy
+        additional_dependencies: [types-setuptools, types-certifi]
+  - repo: https://github.com/tox-dev/tox-ini-fmt
+    rev: "1.3.1"
+    hooks:
+      - id: tox-ini-fmt
+  - repo: https://github.com/adrienverge/yamllint.git
+    rev: v1.32.0
+    hooks:
+      - id: yamllint
+        args: [--format, parsable, --strict]

python/README.md

@@ -0,0 +1,3 @@
+# Messages
+
+Cucumber Messages for Python https://github.com/cucumber/messages

python/pyproject.toml

@@ -0,0 +1,67 @@
+[build-system]
+build-backend = "setuptools.build_meta"
+requires = ["setuptools", "wheel"]
+
+[project]
+authors = [
+  {name = "Cucumber Limited", email = "cukes@googlegroups.com"}
+]
+classifiers = [
+  "Development Status :: 4 - Beta",
+  "Framework :: Gherkin",
+  "Intended Audience :: Developers",
+  "License :: OSI Approved :: MIT License",
+  "Operating System :: POSIX",
+  "Operating System :: Microsoft :: Windows",
+  "Operating System :: MacOS :: MacOS X",
+  "Topic :: Utilities",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11"
+]
+dependencies = [
+  "importlib_resources",
+  "pydantic>=2.0.3"
+]
+description = "Cucumber Messages is a message protocol for representing results and other information from Cucumber. "
+license = {text = "MIT"}
+maintainers = [
+  {name = "Konstantin Goloveshko", email = "kostya.goloveshko@gmail.com"}
+]
+name = "messages"
+readme = {file = "README.md", content-type = "text/markdown"}
+requires-python = ">=3.8"
+urls = {Repository = "https://github.com/cucumber/messages"}
+version = "0.1.0"
+
+[project.entry-points]
+
+[project.scripts]
+
+[tool.black]
+line-length = 120
+target-version = ["py38", "py39", "py310", "py311"]
+verbose = true
+
+[tool.isort]
+line_length = 120
+multi_line_output = 3
+profile = "black"
+
+[tool.mypy]
+files = "src/messages/**/*.py"
+install_types = true
+non_interactive = true
+plugins = [
+  "pydantic.mypy"
+]
+show_error_codes = true
+warn_return_any = true
+warn_unused_configs = true
+
+[[tool.mypy.overrides]]
+ignore_missing_imports = true
+module = [
+]

python/pytest.ini

@@ -0,0 +1,2 @@
+[pytest]
+testpaths = tests

python/setup.cfg

@@ -0,0 +1,15 @@
+[options]
+include_package_data = True
+packages = find:
+package_dir =
+    =src
+
+[options.packages.find]
+where = src
+[options.package_data]
+messages.samples =
+    *
+
+[options.extras_require]
+test =
+    tox

python/src/messages/__init__.py

@@ -0,0 +1 @@
+from .messages import *