Add mypy checks

.github/workflows/codestyle.yml

@@ -12,7 +12,7 @@ on:
 
 
 jobs:
-  lint:
+  flake8:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -23,9 +23,39 @@ jobs:
           python-version: 3.9
 
       - name: install dependencies
-        run: |
-            make venv
+        run: make venv
 
-      - name: run codestyle
-        run: |
-            make lint
+      - name: run flake8
+        run: make flake8
+
+  black:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: set up python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+
+      - name: install dependencies
+        run: make venv
+
+      - name: run black
+        run: make black
+
+  mypy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: set up python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+
+      - name: install dependencies
+        run: make venv
+
+      - name: run mypy
+        run: make mypy

makefile

@@ -38,15 +38,23 @@ format: venv
 	black --line-length=120 . --exclude venv*,build
 .PHONY: format
 
-lint: venv
+flake8: venv
 	flake8 --max-line-length 120 . --exclude venv*,build
+.PHONY: flake8
+
+black: venv
 	@set -e && black --line-length=120 --check . --exclude venv*,build|| ( \
 		echo "================================"; \
 		echo "Bad formatting? Run: make format"; \
 		echo "================================"; \
 		false)
-	# TODO: Add mypy testing
-	# @mypy . --exclude venv*,build
+.PHONY: black
+
+mypy: venv
+	mypy . --exclude venv*,build
+.PHONY: mypy
+
+lint: flake8 black mypy
 .PHONY: lint
 
 docker_up:

setup.py

@@ -47,7 +47,7 @@ def merge_req_lists(req_lists: Iterable[List[str]]) -> List[str]:
 ]
 
 mypy_dependencies = [
-    "mypy",
+    "mypy==0.991",
 ]
 
 sqlite_dependencies = [