Add mypy configuration

DEVELOPMENT.md

@@ -20,6 +20,20 @@ Run a live documentation server :
 sphinx-autobuild docs docs/_build/html
 ```
 
+## Running static type checking (mypy)
+
+First install the dev dependencies :
+
+```
+pip install -r requirements.txt -r requirements-dev.txt
+```
+
+Then run mypy :
+
+```
+mypy django_pyoidc
+```
+
 ## Running Tests
 
 Check database settings in `tests/test_settings.py`, target a real PostgreSQL Host (You need a PostgreSQL version 12 or greater), for e2e tests check the `tests/e2e/settings.py` file.

mypy_settings.py

@@ -0,0 +1,10 @@
+from typing import Any
+
+DJANGO_PYOIDC: dict[str, dict[str, Any]] = {}
+
+INSTALLED_APPS = [
+    "django.contrib.contenttypes",
+    "django.contrib.auth",
+    "django.contrib.sessions",
+    "django_pyoidc",
+]

pyproject.toml

@@ -42,3 +42,15 @@ build-backend = "setuptools.build_meta"
 
 [tool.setuptools.dynamic]
 dependencies = { file = ["requirements.in"] }
+
+
+[tool.mypy]
+plugins = ["mypy_django_plugin.main", "mypy_drf_plugin.main"]
+no_implicit_optional = true
+warn_unused_ignores = true
+check_untyped_defs = true
+show_error_codes = true
+
+[tool.django-stubs]
+django_settings_module = "mypy_settings"
+strict_settings = false