First commit

README.md

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+# Github Action: pypi-build-publish
+
+Github action to build and publish to PyPI [PEP 518](https://www.python.org/dev/peps/pep-0518/) compliant projects (flit, poetry,...).
+
+Usage:
+
+```yaml
+- use: conchylicultor/pypi-build-publish@v1
+  with:
+    pypi-token: ${{ secrets.PYPI_API_TOKEN }}
+```
+
+The action assume:
+
+* The project has a `pyproject.toml` (or `setup.py`) in the top-level directory.
+* Python and pip are installed (e.g. by `actions/setup-python@v2`).
+
+## Inputs
+
+* `pypi-token`: The PyPI API token to use. (required)
+
+## Outputs
+
+None.

action.yml

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+name: 'Build & Publish to PyPI'
+author: 'Conchylicultor'
+description: 'Build and publish to PyPI for PEP 518 compliant projects (flit, poetry,...).'
+branding:
+  icon: upload-cloud
+  color: orange
+
+inputs:
+  pypi-token:
+    description: 'Token of the PyPI account publishing the project.'
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - run: pip install build twine
+      shell: bash
+    - run: python -m build
+      shell: bash
+    - run: twine check dist/*
+      shell: bash
+    - run: twine upload dist/*
+      shell: bash
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ inputs.pypi-token }}