From 5d4eeb648a25d0414a767294773b52dd6fe54126 Mon Sep 17 00:00:00 2001
From: Roman Mogylatov <rmogilatov@gmail.com>
Date: Mon, 28 Sep 2020 14:16:05 -0400
Subject: [PATCH] Deprecate ext package modules and remove types module

---
 docs/main/changelog.rst                |  3 +++
 src/dependency_injector/ext/aiohttp.py |  8 ++++++++
 src/dependency_injector/ext/flask.py   |  8 ++++++++
 src/dependency_injector/types.py       | 17 -----------------
 4 files changed, 19 insertions(+), 17 deletions(-)
 delete mode 100644 src/dependency_injector/types.py

diff --git a/docs/main/changelog.rst b/docs/main/changelog.rst
index 64153c71..d7a75f67 100644
--- a/docs/main/changelog.rst
+++ b/docs/main/changelog.rst
@@ -10,6 +10,9 @@ follows `Semantic versioning`_
 4.0.0
 -----
 - Add ``wiring`` feature.
+- Deprecate ``ext.aiohttp`` module.
+- Deprecate ``ext.flask`` module.
+- Remove deprecated ``types`` module.
 - Add ``sanic`` example.
 - Update ``aiohttp`` example.
 - Update ``flask`` example.
diff --git a/src/dependency_injector/ext/aiohttp.py b/src/dependency_injector/ext/aiohttp.py
index f42d95e4..b132f362 100644
--- a/src/dependency_injector/ext/aiohttp.py
+++ b/src/dependency_injector/ext/aiohttp.py
@@ -3,10 +3,18 @@
 from __future__ import absolute_import
 
 import functools
+import warnings
 
 from dependency_injector import providers
 
 
+warnings.warn(
+    'Module "dependency_injector.ext.aiohttp" is deprecated since '
+    'version 4.0.0. Use "dependency_injector.wiring" module instead.',
+    category=DeprecationWarning,
+)
+
+
 class Application(providers.Singleton):
     """Aiohttp application provider."""
 
diff --git a/src/dependency_injector/ext/flask.py b/src/dependency_injector/ext/flask.py
index bcc696c8..f03a6e6a 100644
--- a/src/dependency_injector/ext/flask.py
+++ b/src/dependency_injector/ext/flask.py
@@ -1,12 +1,20 @@
 """Flask extension module."""
 
 from __future__ import absolute_import
+import warnings
 
 from flask import request as flask_request
 
 from dependency_injector import providers, errors
 
 
+warnings.warn(
+    'Module "dependency_injector.ext.aiohttp" is deprecated since '
+    'version 4.0.0. Use "dependency_injector.wiring" module instead.',
+    category=DeprecationWarning,
+)
+
+
 request = providers.Object(flask_request)
 
 
diff --git a/src/dependency_injector/types.py b/src/dependency_injector/types.py
deleted file mode 100644
index a03e2353..00000000
--- a/src/dependency_injector/types.py
+++ /dev/null
@@ -1,17 +0,0 @@
-from typing import TypeVar, Generic, Any
-import warnings
-
-
-warnings.warn(
-    'Types module is deprecated since version 3.44.0. Use "providers" module instead: '
-    'providers.Provider[SomeClass]',
-    category=DeprecationWarning,
-)
-
-
-Injection = Any
-T = TypeVar('T')
-
-
-class Provider(Generic[T]):
-    def __call__(self, *args: Injection, **kwargs: Injection) -> T: ...