Add mypy dependencies

And configure mypy. However, there are still a ton of errors. Not ready to add this to CI yet.

Author: haacked

mypy.ini

@@ -0,0 +1,29 @@
+[mypy]
+python_version = 3.11
+warn_return_any = True
+warn_unused_configs = True
+disallow_untyped_defs = False
+disallow_incomplete_defs = False
+check_untyped_defs = False
+disallow_untyped_decorators = True
+no_implicit_optional = True
+warn_redundant_casts = True
+warn_unused_ignores = True
+warn_no_return = True
+warn_unreachable = True
+
+[mypy-*]
+disallow_untyped_defs = False
+check_untyped_defs = False
+
+[mypy-django.*]
+ignore_missing_imports = True
+
+[mypy-sentry_sdk.*]
+ignore_missing_imports = True
+
+[mypy-posthog.test.*]
+ignore_errors = True
+
+[mypy-posthog.*.test.*]
+ignore_errors = True

setup.py

@@ -25,9 +25,18 @@
 extras_require = {
     "dev": [
         "black",
+        "django-stubs",
         "isort",
         "flake8",
         "flake8-print",
+        "lxml",
+        "mypy",
+        "mypy-baseline",
+        "types-mock",
+        "types-python-dateutil",
+        "types-requests",
+        "types-setuptools",
+        "types-six",
         "pre-commit",
     ],
     "test": [