PYTHON-4972 Bump minimum python to 3.9 (#101)

.evergreen/run-tests.sh

@@ -12,7 +12,7 @@ pushd ..
 git clone https://github.com/mongodb/mongo-python-driver
 
 set -x
-"C:/python/Python38/python.exe" -m venv .venv
+"C:/python/Python39/python.exe" -m venv .venv
 dos2unix -q .venv/Scripts/activate
 . .venv/Scripts/activate
 pip install "./mongo-python-driver[test]"

.github/workflows/build.yml

@@ -62,7 +62,7 @@ jobs:
     name: Build MSVC
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v3

.github/workflows/dist.yml

@@ -60,7 +60,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           # Build sdist on lowest supported Python
-          python-version: '3.8'
+          python-version: '3.9'
 
       - name: Build SDist
         run: |

README.rst

@@ -10,7 +10,7 @@ About
 A native Kerberos client implementation for Python on Windows. This module
 mimics the API of `pykerberos <https://pypi.python.org/pypi/pykerberos>`_ to
 implement Kerberos authentication with Microsoft's Security Support Provider
-Interface (SSPI). It supports Python 3.8+.
+Interface (SSPI). It supports Python 3.9+.
 
 Installation
 ============
@@ -29,7 +29,7 @@ Building and installing from source
 You must have the correct version of VC++ installed for your version of
 Python:
 
-- Python 3.8+ - Visual Studio 2015+ (Any version)
+- Python 3.9+ - Visual Studio 2015+ (Any version)
 
 Once you have the required compiler installed, run the following command from
 the root directory of the WinKerberos source::

doc/index.rst

@@ -32,7 +32,7 @@ Building and installing from source
 You must have the correct version of VC++ installed for your version of
 Python:
 
-- Python 3.8+ - Visual Studio 2015+ (Any version)
+- Python 3.9+ - Visual Studio 2015+ (Any version)
 
 Once you have the required compiler installed, just run the following command::
 

pyproject.toml

@@ -8,7 +8,7 @@ version = "0.13.0.dev0"
 description = "High level interface to SSPI for Kerberos client auth"
 readme = "README.rst"
 license = { file = "LICENSE" }
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 authors = [
     { name = "Bernie Hackett", email = "[email protected]" },
 ]
@@ -24,7 +24,6 @@ classifiers = [
     "Operating System :: Microsoft :: Windows",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",