Drop python 3.7 support (#902)

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
     name: Test on Python ${{ matrix.python }}
     strategy:
       matrix:
-        python: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python: ['3.8', '3.9', '3.10', '3.11']
         sqlalchemy: ['sqlalchemy[postgresql_psycopg2binary]>=1.4,<1.5', 'sqlalchemy[postgresql_psycopg2binary]>=2.0,<2.1']
       fail-fast: false
     runs-on: ubuntu-latest

aiopg/utils.py

@@ -1,5 +1,4 @@
 import asyncio
-import sys
 from types import TracebackType
 from typing import (
     Any,
@@ -14,19 +13,9 @@
     Union,
 )
 
-if sys.version_info >= (3, 7, 0):
-    __get_running_loop = asyncio.get_running_loop
-else:
-
-    def __get_running_loop() -> asyncio.AbstractEventLoop:
-        loop = asyncio.get_event_loop()
-        if not loop.is_running():
-            raise RuntimeError("no running event loop")
-        return loop
-
 
 def get_running_loop() -> asyncio.AbstractEventLoop:
-    return __get_running_loop()
+    return asyncio.get_running_loop()
 
 
 def create_completed_future(

docs/index.rst

@@ -32,7 +32,7 @@ Current version is |release|.
 .. warning::
     1. Removing await the before :meth:`Cursor.mogrify` function
 
-    2. Only supports ``python >= 3.7``
+    2. Only supports ``python >= 3.8``
 
     3. Only support syntax ``async/await``
 

docs/run_loop.rst

@@ -20,22 +20,3 @@ which may be different, e.g.
     :func:`asyncio.set_event_loop` was not called and default
     loop :class:`asyncio.AbstractEventLoop`
     is not equal to actually executed one.
-
-
-Implementation
---------------
-
-For the version below ``python3.7`` we added this implementation.
-
-.. code-block:: py3
-
-    if sys.version_info >= (3, 7, 0):
-        __get_running_loop = asyncio.get_running_loop
-    else:
-        def __get_running_loop() -> asyncio.AbstractEventLoop:
-            loop = asyncio.get_event_loop()
-            if not loop.is_running():
-                raise RuntimeError('no running event loop')
-            return loop
-
-This allows you to get a loop :class:`asyncio.AbstractEventLoop` correctly.

setup.py

@@ -34,7 +34,6 @@ def read_changelog(path="CHANGES.txt"):
     "Intended Audience :: Developers",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
@@ -58,7 +57,7 @@ def read_changelog(path="CHANGES.txt"):
     classifiers=classifiers,
     platforms=["macOS", "POSIX", "Windows"],
     author="Andrew Svetlov",
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     project_urls={
         "Chat: Gitter": "https://gitter.im/aio-libs/Lobby",
         "CI: GA": "https://github.com/aio-libs/aiopg/actions?query=workflow%3ACI",

tests/test_connection.py

@@ -1,7 +1,6 @@
 import asyncio
 import gc
 import socket
-import sys
 import time
 from unittest import mock
 
@@ -13,8 +12,6 @@
 import aiopg
 from aiopg import DEFAULT_TIMEOUT, Connection, Cursor
 
-PY_341 = sys.version_info >= (3, 4, 1)
-
 
 @pytest.fixture
 def connect(make_connection):