Merging upstream version 0.2.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

.github/workflows/tests.yml

@@ -0,0 +1,35 @@
+name: pydyf's tests
+on: [push, pull_request]
+
+jobs:
+  tests:
+    name: ${{ matrix.os }} - ${{ matrix.python-version }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ['3.7', '3.8', '3.9', '3.10', 'pypy-3.8']
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install Ghostscript (Ubuntu)
+        if: matrix.os == 'ubuntu-latest'
+        run: sudo apt-get update -y && sudo apt-get install ghostscript -y
+      - name: Install Ghostscript (macOS)
+        if: matrix.os == 'macos-latest'
+        run: brew install ghostscript
+      - name: Install Ghostscript (Windows)
+        if: matrix.os == 'windows-latest'
+        run: |
+          C:\msys64\usr\bin\bash -lc 'pacman -S mingw-w64-x86_64-ghostscript --noconfirm'
+          echo "C:\msys64\mingw64\bin" | Out-File -FilePath $env:GITHUB_PATH
+          rm C:\msys64\mingw64\bin\python.exe
+      - name: Upgrade pip and setuptools
+        run: python -m pip install --upgrade pip setuptools
+      - name: Install tests’ requirements
+        run: python -m pip install .[test]
+      - name: Launch tests
+        run: python -m pytest