PYTHON-5659 Drop support for Python 3.9 (#130)

Author: blink1073

.github/workflows/build.yml

@@ -15,6 +15,8 @@ jobs:
      - uses: actions/checkout@v6
        with:
         persist-credentials: false
+        # Lowest supported Python
+        python-version: '3.10'
      - uses: actions/setup-python@v6
      - uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
        with:
@@ -31,6 +33,9 @@ jobs:
        with:
         persist-credentials: false
      - uses: actions/setup-python@v6
+       with:
+        # Lowest supported Python
+        python-version: '3.10'
      - shell: pwsh
        run: |
         pip install sphinx
@@ -68,7 +73,7 @@ jobs:
     name: Build MSVC
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v6

.github/workflows/codeql.yml

@@ -42,6 +42,9 @@ jobs:
         ref: ${{ inputs.ref }}
         persist-credentials: false
     - uses: actions/setup-python@v6
+      with:
+        # Lowest supported Python
+        python-version: '3.10'
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/dist.yml

@@ -64,7 +64,7 @@ jobs:
       - uses: actions/setup-python@v6
         with:
           # Build sdist on lowest supported Python
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Build SDist
         run: |

doc/changelog.rst

@@ -4,7 +4,7 @@ Changelog
 Changes in Version 0.13.0
 -------------------------
 
-- Add support for Python 3.13.
+- Add support for Python 3.14.
 - Drop support for Python 3.9.
 
 

pyproject.toml

@@ -8,7 +8,7 @@ version = "0.12.3.dev0"
 description = "High level interface to SSPI for Kerberos client auth"
 readme = "README.rst"
 license = { file = "LICENSE" }
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 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 :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",