Prepare tooling for mypy

.github/workflows/build.yml

@@ -35,6 +35,9 @@ jobs:
       - id: pylint
         run: make lint
 
+      - id: mypy
+        run: make mypy
+
       - id: validate-style
         run: |
           make fmt

Makefile

@@ -16,6 +16,10 @@ unittest: version
 lint: version
 	$(PYTHON) -m pylint --rcfile .pylintrc $(PYTHON_SOURCE_DIRS)
 
+.PHONY: mypy
+mypy: version
+	$(PYTHON) -m mypy $(PYTHON_SOURCE_DIRS)
+
 .PHONY: fmt
 fmt: version
 	unify --quote '"' --recursive --in-place $(PYTHON_SOURCE_DIRS)

mypy.ini

@@ -0,0 +1,29 @@
+[mypy]
+python_version = 3.9
+warn_redundant_casts = True
+
+
+[mypy-azure.*]
+ignore_missing_imports = True
+
+[mypy-azure.common.*]
+ignore_missing_imports = True
+
+[mypy-dataclasses.*]
+ignore_missing_imports = True
+
+[mypy-googleapiclient.*]
+ignore_missing_imports = True
+
+[mypy-oauth2client.*]
+ignore_missing_imports = True
+
+[mypy-snappy.*]
+ignore_missing_imports = True
+
+[mypy-swiftclient.*]
+ignore_missing_imports = True
+
+[mypy-systemd.*]
+ignore_missing_imports = True
+

requirements.dev.txt

@@ -1,5 +1,6 @@
 # Use pip for build requirements to harmonize between OS versions
 mock
+mypy
 pylint>=2.4.3,<=2.7.2
 pylint-quotes
 pytest
@@ -12,3 +13,11 @@ coverage
 coveralls
 responses
 unify
+types-botocore
+types-httplib2
+types-mock
+types-paramiko
+types-psycopg2
+types-python-dateutil
+types-requests
+types-six

test/test_storage.py

@@ -18,6 +18,7 @@
 from pghoard.rohmu.object_storage.google import MediaStreamUpload
 
 try:
+    # type: ignore
     from . import \
         test_storage_configs  # pylint: disable=no-name-in-module, import-error
 except ImportError: