Deprecate Python 3.6 support, add Python 3.10 (django#301)

* Deprecate Python 3.6 support, add Python 3.10
* Deprecate Python 3.6 and remove code to support Python versions < 3.7.
* Add Python 3.10 to tox configuration.
* Updated README/CHANGELOG.

Co-authored-by: Carlton Gibson <[email protected]>

Author: 2 people

.github/workflows/tests.yml

@@ -14,10 +14,10 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-        - 3.6
         - 3.7
         - 3.8
         - 3.9
+        - "3.10"
     services:
       redis:
         image: redis

CHANGELOG.txt

@@ -1,3 +1,9 @@
+Unreleased
+----------
+
+Dropped support for Python 3.6.
+
+
 3.3.1 (2021-09-30)
 ------------------
 

README.rst

@@ -219,7 +219,7 @@ And then in your channels consumer, you can implement the handler:
 Dependencies
 ------------
 
-Redis >= 5.0 is required for `channels_redis`. Python 3.6 or higher is required.
+Redis >= 5.0 is required for `channels_redis`. Python 3.7 or higher is required.
 
 
 Used commands

channels_redis/pubsub.py

@@ -1,7 +1,6 @@
 import asyncio
 import functools
 import logging
-import sys
 import types
 import uuid
 
@@ -13,12 +12,6 @@
 logger = logging.getLogger(__name__)
 
 
-if sys.version_info >= (3, 7):
-    get_running_loop = asyncio.get_running_loop
-else:
-    get_running_loop = asyncio.get_event_loop
-
-
 def _wrap_close(proxy, loop):
     original_impl = loop.close
 
@@ -74,7 +67,7 @@ def deserialize(self, message):
         return msgpack.unpackb(message)
 
     def _get_layer(self):
-        loop = get_running_loop()
+        loop = asyncio.get_running_loop()
 
         try:
             layer = self._layers[loop]

setup.py

@@ -29,7 +29,7 @@
     zip_safe=False,
     packages=find_packages(exclude=["tests"]),
     include_package_data=True,
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     install_requires=[
         "aioredis~=1.0",
         "msgpack~=1.0",

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{36,37,38,39}
+    py{37,38,39,310}
     qa
 
 [testenv]