feat: drop Python 3.9 support and add Python 3.14 support (#1043)

* Initial plan

* feat: drop Python 3.9 support

Agent-Logs-Url: https://github.com/microsoftgraph/msgraph-sdk-python-core/sessions/1c1c3c0f-5789-4889-8936-a38229018747

Co-authored-by: ramsessanchez <63934382+ramsessanchez@users.noreply.github.com>

* feat: add Python 3.14 support

Agent-Logs-Url: https://github.com/microsoftgraph/msgraph-sdk-python-core/sessions/d497072d-c7f3-421f-98a8-b5c852c47ff6

Co-authored-by: ramsessanchez <63934382+ramsessanchez@users.noreply.github.com>

* feat: update devcontainer to Python 3.14, remove 3.9 image reference

Agent-Logs-Url: https://github.com/microsoftgraph/msgraph-sdk-python-core/sessions/f8b5c8c9-e430-42e8-8fe2-42673c863a3e

Co-authored-by: ramsessanchez <63934382+ramsessanchez@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: ramsessanchez <63934382+ramsessanchez@users.noreply.github.com>

Author: Copilot

.devcontainer/devcontainer.json

@@ -3,13 +3,12 @@
 {
   "name": "Python 3",
   // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-  // "image": "mcr.microsoft.com/devcontainers/python:3.9-bookworm",
   // "image": "mcr.microsoft.com/devcontainers/python:3.10-bookworm",
   // "image": "mcr.microsoft.com/devcontainers/python:3.11-bookworm",
   // "image": "mcr.microsoft.com/devcontainers/python:3.12-bookworm",
   // "image": "mcr.microsoft.com/devcontainers/python:1-3.12-bullseye",
   // "image": "mcr.microsoft.com/devcontainers/python:3.13-bookworm",
-  "image": "mcr.microsoft.com/devcontainers/python:3.13-bullseye",
+  "image": "mcr.microsoft.com/devcontainers/python:3.14-bookworm",
 
   "features": {
     "ghcr.io/hspaans/devcontainer-features/pytest:1": {},

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v6

README.md

@@ -12,7 +12,7 @@ The Microsoft Graph Core Python Client Library contains core classes used by [Mi
 
 ## Prerequisites
 
-    Python 3.9+
+    Python 3.10+
 
 This library doesn't support [older](https://devguide.python.org/versions/) versions of Python.
 

pyproject.toml

@@ -16,18 +16,18 @@ dependencies = [
     "microsoft-kiota-http >=1.8.0,<2.0.0",
     "httpx[http2] >=0.23.0",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = "MIT"
 license-files = ["LICENSE"]
 readme = "README.md"
 keywords = ["msgraph", "openAPI", "Microsoft", "Graph"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 
 [project.optional-dependencies]