Use GH actions (pyzo#777)

* Use GH actions

* fix

* ci

* ci

* ci

.github/workflows/ci.yml

@@ -0,0 +1,101 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  lint-build:
+    name: Linting
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.9
+    - name: Install dev dependencies
+      run: |
+          python -m pip install --upgrade pip
+          pip install -U black flake8 flake8-black
+    - name: Flake8
+      run: |
+          flake8 .
+
+  test-builds:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          # Python versions
+          - name: Test Linux py36
+            os: ubuntu-latest
+            pyversion: '3.6'
+            qtlib: pyside6
+          - name: Test Linux py37
+            os: ubuntu-latest
+            pyversion: '3.7'
+            qtlib: pyside6
+          - name: Test Linux py38
+            os: ubuntu-latest
+            pyversion: '3.8'
+            qtlib: pyside6
+          - name: Test Linux py39
+            os: ubuntu-latest
+            pyversion: '3.9'
+            qtlib: pyside6
+          # OS's
+          - name: Test Windows py310
+            os: windows-latest
+            pyversion: '3.10'
+            qtlib: pyside6
+          - name: Test MacOS py310
+            os: macos-latest
+            pyversion: '3.10'
+            qtlib: pyside6
+          # Qt libs
+          - name: Test Linux py310 PyQt5
+            os: ubuntu-latest
+            pyversion: '3.10'
+            qtlib: pyqt5
+          - name: Test Linux py310 PyQt6
+            os: ubuntu-latest
+            pyversion: '3.10'
+            qtlib: pyqt6
+          - name: Test Linux py310 PySide2
+            os: ubuntu-latest
+            pyversion: '3.10'
+            qtlib: pyside2
+          - name: Test Linux py310 PySide6
+            os: ubuntu-latest
+            pyversion: '3.10'
+            qtlib: pyside6
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup os
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        sudo apt-get install libegl1-mesa
+    - name: Set up Python ${{ matrix.pyversion }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.pyversion }}
+    - name: Install dependencies
+      run: |
+          python -m pip install --upgrade pip
+          pip install -U pytest
+          pip install -U ${{ matrix.qtlib }}
+    - name: Install in development mode
+      run: |
+          pip install -e .
+    - name: Test on repo
+      run: |
+          pytest -v tests
+    # todo: add a dry-run or something so we actually boot Pyzo and close it