Drop 3.9 support (#795)

Author: Dreamsorcerer

.github/workflows/ci-cd.yml

@@ -244,17 +244,13 @@ jobs:
         }}
       matrix:
         python-version:
-        # NOTE: The latest and the lowest supported Pythons are prioritized
-        # NOTE: to improve the responsiveness. It's nice to see the most
-        # NOTE: important results first.
         - 3.13
-        - 3.9
         - 3.12
         - 3.11
         - >-
           3.10
         runner-vm-os:
-        - ubuntu-24.04
+        - ubuntu-latest
         toxenv:
         - py
         xfail:

.pre-commit-config.yaml

@@ -97,23 +97,6 @@ repos:
     - --lineprecision-report=.tox/.tmp/.test-results/mypy--py-3.11
     - --txt-report=.tox/.tmp/.test-results/mypy--py-3.11
     pass_filenames: false
-  - id: mypy
-    alias: mypy-py39
-    name: MyPy, for Python 3.9
-    additional_dependencies:
-    - frozenlist  # runtime dependency
-    - lxml  # dep of `--txt-report`, `--cobertura-xml-report` & `--html-report`
-    - pytest
-    args:
-    - --python-version=3.9
-    - --any-exprs-report=.tox/.tmp/.test-results/mypy--py-3.9
-    - --cobertura-xml-report=.tox/.tmp/.test-results/mypy--py-3.9
-    - --html-report=.tox/.tmp/.test-results/mypy--py-3.9
-    - --linecount-report=.tox/.tmp/.test-results/mypy--py-3.9
-    - --linecoverage-report=.tox/.tmp/.test-results/mypy--py-3.9
-    - --lineprecision-report=.tox/.tmp/.test-results/mypy--py-3.9
-    - --txt-report=.tox/.tmp/.mypy/python-3.9
-    pass_filenames: false
 ci:
   skip:
   - actionlint-docker

docs/index.rst

@@ -54,8 +54,6 @@ Installation
 
    $ pip install aiosignal
 
-The library requires Python 3.8 or newer.
-
 Dependencies
 ------------
 
@@ -75,12 +73,6 @@ Feel free to post your questions and ideas here.
 
 *gitter chat* https://gitter.im/aio-libs/Lobby
 
-Requirements
-============
-
-- Python >= 3.8
-- frozenlist >= 1.0.0
-
 License
 =======
 

requirements/wheel.txt

@@ -1,4 +1,4 @@
 pytest==8.4.2
-pytest-asyncio==1.2.0
+pytest-asyncio==1.3.0
 pre-commit==4.3.0
 twine==6.2.0

setup.cfg

@@ -32,7 +32,7 @@ classifiers =
   Framework :: AsyncIO
 
 [options]
-python_requires = >=3.9
+python_requires = >=3.10
 packages = find:
 include_package_data = True
 

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = check, clean, {py39,py310,py311,py312,py313}, report
+envlist = check, clean, {py310,py311,py312,py313,py314}, report
 minversion = 4