Add actions

.github/workflows/constraints.txt

@@ -1,4 +1,4 @@
-pip==20.1
+pip==20.1.1
 nox==2019.11.9
 poetry==1.0.5
-pre-commit==2.3.0
+virtualenv==20.0.21

.github/workflows/release.yml

@@ -1,21 +1,72 @@
 name: Release
+
 on:
-  release:
-    types: [published]
+  push:
+    branches:
+      - master
+
 jobs:
   release:
+    name: Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.1.0
-      - uses: actions/setup-python@v1.2.0
+      - name: Check out the repository
+        uses: actions/checkout@v2.1.1
+        with:
+          fetch-depth: 2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
         with:
           python-version: "3.8"
-      - run: |
+
+      - name: Upgrade pip
+        run: |
           pip install --constraint=.github/workflows/constraints.txt pip
-          pip install --constraint=.github/workflows/constraints.txt nox poetry
-      # - run: nox --force-color
-      - run: poetry build --ansi
-      - uses: pypa/gh-action-pypi-publish@v1.1.0
+          pip --version
+
+      - name: Install Poetry
+        run: |
+          pip install --constraint=.github/workflows/constraints.txt poetry
+          poetry --version
+
+      - name: Detect and tag new version
+        id: check-version
+        uses: salsify/action-detect-and-tag-new-version@v1.0.3
+        with:
+          version-command: |
+            poetry version | awk '{ print $2 }'
+
+      - name: Bump version for developmental release
+        if: "! steps.check-version.outputs.tag"
+        run: |
+          poetry version patch &&
+          version=$(poetry version | awk '{ print $2 }') &&
+          poetry version $version.dev.$(date +%s)
+
+      - name: Build package
+        run: |
+          poetry build --ansi
+
+      - name: Publish package on PyPI
+        if: steps.check-version.outputs.tag
+        uses: pypa/gh-action-pypi-publish@v1.1.0
         with:
           user: __token__
           password: ${{ secrets.PYPI_TOKEN }}
+
+      - name: Publish package on TestPyPI
+        if: "! steps.check-version.outputs.tag"
+        uses: pypa/gh-action-pypi-publish@v1.1.0
+        with:
+          user: __token__
+          password: ${{ secrets.TEST_PYPI_TOKEN }}
+          repository_url: https://test.pypi.org/legacy/
+
+      - name: Publish the release notes
+        uses: release-drafter/release-drafter@v5.8.0
+        with:
+          publish: ${{ steps.check-version.outputs.tag != '' }}
+          tag: ${{ steps.check-version.outputs.tag }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/tests.yml

@@ -0,0 +1,96 @@
+name: Tests
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  tests:
+    name: ${{ matrix.session }} ${{ matrix.python-version }} / ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { python-version: 3.8, os: ubuntu-latest, session: "pre-commit" }
+          - { python-version: 3.8, os: ubuntu-latest, session: "safety" }
+          - { python-version: 3.8, os: ubuntu-latest, session: "mypy-3.8" }
+          - { python-version: 3.7, os: ubuntu-latest, session: "mypy-3.7" }
+          - { python-version: 3.6, os: ubuntu-latest, session: "mypy-3.6" }
+          - { python-version: 3.8, os: ubuntu-latest, session: "tests-3.8" }
+          - { python-version: 3.7, os: ubuntu-latest, session: "tests-3.7" }
+          - { python-version: 3.6, os: ubuntu-latest, session: "tests-3.6" }
+          # - { python-version: 3.8, os: windows-latest, session: "tests-3.8" }
+          - { python-version: 3.8, os: macos-latest, session: "tests-3.8" }
+          # - { python-version: 3.8, os: ubuntu-latest, session: "docs" }
+
+    env:
+      NOXSESSION: ${{ matrix.session }}
+
+    steps:
+      - name: Check out the repository
+        uses: actions/checkout@v2.1.1
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Upgrade pip
+        run: |
+          pip install --constraint=.github/workflows/constraints.txt pip
+          pip --version
+
+      - name: Install Poetry
+        run: |
+          pip install --constraint=.github/workflows/constraints.txt poetry
+          poetry --version
+
+      - name: Install Nox
+        run: |
+          pip install --constraint=.github/workflows/constraints.txt nox
+          nox --version
+
+      - name: Compute pre-commit cache key
+        if: matrix.session == 'pre-commit'
+        id: pre-commit-cache
+        shell: python
+        run: |
+          import hashlib
+          import sys
+
+          python = "py{}.{}".format(*sys.version_info[:2])
+          payload = sys.version.encode() + sys.executable.encode()
+          digest = hashlib.sha256(payload).hexdigest()
+          result = "${{ runner.os }}-{}-{}-pre-commit".format(python, digest[:8])
+
+          print("::set-output name=result::{}".format(result))
+
+      - name: Restore pre-commit cache
+        uses: actions/cache@v1.2.0
+        if: matrix.session == 'pre-commit'
+        with:
+          path: ~/.cache/pre-commit
+          key: ${{ steps.pre-commit-cache.outputs.result }}-${{ hashFiles('.pre-commit-config.yaml') }}
+          restore-keys: |
+            ${{ steps.pre-commit-cache.outputs.result }}-
+
+      - name: Run Nox
+        run: |
+          nox --force-color
+
+      # - name: Upload documentation
+      #   if: matrix.session == 'docs'
+      #   uses: actions/upload-artifact@v2
+      #   with:
+      #     name: docs
+      #     path: docs/_build
+
+      - name: Create coverage report
+        if: always() && matrix.session == 'tests'
+        run: |
+          nox --force-color --session=coverage -- xml
+
+      - name: Upload coverage report
+        if: always() && matrix.session == 'tests'
+        uses: codecov/codecov-action@v1.0.7