User github workflows instead of travis

.github/workflows/python-package.yml

@@ -0,0 +1,39 @@
+name: Test default branch
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - uses: Gr1N/setup-poetry@v4
+    - uses: actions/cache@v2
+      with:
+        path: ~/.cache/pypoetry/virtualenvs
+        key: ${{ runner.os }}-poetry-${{ hashFiles('poetry.lock') }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip wheel setuptools
+        pip install yamk
+        yam
+    - name: Lint with flake8
+      run: |
+        yam lint
+    - name: Test with pytest
+      run: |
+        yam tests

make.toml

@@ -1,3 +1,8 @@
+["$globals"]
+vars = [
+    {runner = "poetry run"},
+]
+
 [all]
 alias = "install"
 
@@ -13,28 +18,29 @@ commands = [
 phony = true
 requires = ["install"]
 commands = [
-    "isort .",
-    "black .",
+    "${runner} isort .",
+    "${runner} black .",
 ]
 
 [lint]
 phony = true
 requires = ["install"]
 commands = [
-    "flake8 .",
-    "isort --check .",
-    "black --check .",
+    "${runner} isort --check .",
+    "${runner} black --check .",
+    "${runner} flake8 .",
+    "${runner} mypy .",
 ]
 
 [tests]
 phony = true
 requires = ["install"]
 commands = [
-    "pytest ${pytest_args} ${pytest_path}",
+    "${runner} pytest ${pytest_args} ${pytest_path}",
 ]
 
 ["poetry.lock"]
 requires = ["pyproject.toml"]
 commands = [
-    "poetry lock && touch ${.target}",
+    "${runner} poetry lock && touch ${.target}",
 ]