Run tests/lint on more versions, cache pip deps

Author: amyreese

.github/workflows/build.yml

@@ -13,37 +13,45 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
         os: [macOS-latest, ubuntu-latest, windows-latest]
-
+        include:
+          - python-version: "3.5"
+            os: ubuntu-latest
+          - python-version: "3.6"
+            os: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v3
       - name: Set Up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v4
         with:
+          cache: pip
+          cache-dependency-path: pyproject.toml
           python-version: ${{ matrix.python-version }}
       - name: Install
         run: |
-          python -m pip install --upgrade pip
-          make setup
           pip install -U .
       - name: Test
         run: make test
 
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        python-version: ["3.10"]
+        os: [ubuntu-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v1
       - name: Set Up Python
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          cache: pip
+          cache-dependency-path: pyproject.toml
+          python-version: ${{ matrix.python-version }}
       - name: Install
         run: |
-          python -m pip install --upgrade pip
-          make setup
-          pip install -U .
+          pip install -U .[dev]
       - name: Lint
         run: make lint

makefile

@@ -16,10 +16,10 @@ format:
 
 lint:
 	python -m ufmt check diff_match_patch
+	python -m mypy -p diff_match_patch
 
 test:
 	python -m unittest -v diff_match_patch.tests
-	python -m mypy -p diff_match_patch
 
 clean:
 	rm -rf build dist html README MANIFEST *.egg-info

pyproject.toml

@@ -46,3 +46,6 @@ name = "diff-match-patch"
 package = "diff_match_patch"
 signed_tags = true
 version_file = true
+
+[tool.mypy]
+python_version = "3.6"