Initial version

.gitignore

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+*~
+.*.swp

Dockerfile

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+from debian:stable-slim
+
+RUN apt-get update && apt-get install --no-install-recommends -y python3-all python3-dev python3-pip python3-venv build-essential git && apt-get clean && rm -fr rm -rf /var/lib/apt/lists/*
+RUN pip install -U pytest pylint pylint-junit flake8 flake8-junit-report junitparser pyupgrade pyupgrade-directories black black-junit isort

README.md

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+# Docker image providing common Python test tools
+
+Image with common dependencies and common Python test tools:
+
+- common python packages: `python3-all python3-dev python3-pip python3-venv pylint3`
+- `build-essential` to allow local python package using `pip`
+- `git`
+- pip installed version of `pytest`, `flake8`, `pylint`, `pyupgrade` (with `pyupgrade-directories` helper lib), `black` and `isort`
+- associated tools to produce JUnit tests result files: `pylint-junit`, `flake8-junit-report` and `black-junit`
+- `junitparser` tool to merge JUnit tests result files
+
+## Usage example:
+
+```bash
+docker run -it -v "$(pwd)":/src -w /src brenard/python-tests
+pip install .
+pytest --junitxml=pytest.xml tests
+pylint --load-plugins=pylint_junit --output-format=junit --output pylint.xml mysoft tests
+flake8 --output-file flake8.txt mysoft tests
+flake8_junit flake8.txt flake8.xml
+black --verbose --target-version py37 --line-length 100 mysoft tests 2>&1 | black-junit > black.xml
+junitparser merge pytest.xml pylint.xml flake8.xml black.xml tests-report.xml
+pyup_dirs --keep-percent-format --py37-plus mysoft tests
+isort --profile black --line-length 100 mysoft tests
+```