Building Python 3.14 (#2511)

Author: Avasam

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14-dev"]
         architecture: ["x64", "x86"]
 
     steps:
@@ -98,7 +98,7 @@ jobs:
       fail-fast: false
       matrix:
         # pythonarm64 NuGet's has no download for Python ~=3.9.11
-        python-version: ["3.9.10", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9.10", "3.10", "3.11", "3.12", "3.13", "3.14-dev"]
     steps:
       - uses: actions/checkout@v4
 
@@ -197,7 +197,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14-dev"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5

build_env.md

@@ -3,7 +3,7 @@
 This describes how to setup the build environment for pywin32.
 
 Double check the compiler version you need in the [Python wiki](https://wiki.python.org/moin/WindowsCompilers)
-but note that Python 3.5 -> 3.13 all use version 14.X of the compiler, which,
+but note that Python 3.5+ all use version 14.X of the compiler, which,
 confusingly, report themselves as V.19XX (eg, note in Python's banner,
 3.5's "MSC v.1900", even 3.9b4's "MSC v.1924")
 

make_all.bat

@@ -25,11 +25,15 @@ py -3.12 -m build --wheel
 py -3.13-32 -m build --wheel
 py -3.13 -m build --wheel
 
+py -3.14-32 -m build --wheel
+py -3.14 -m build --wheel
+
 rem Check /build_env.md#build-environment to make sure you have all the required ARM64 components installed
 py -3.10 -m build --wheel --config-setting=--build-option=build_ext --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=build --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=bdist_wheel --config-setting=--build-option=--plat-name=win-arm64
 py -3.11 -m build --wheel --config-setting=--build-option=build_ext --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=build --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=bdist_wheel --config-setting=--build-option=--plat-name=win-arm64
 py -3.12 -m build --wheel --config-setting=--build-option=build_ext --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=build --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=bdist_wheel --config-setting=--build-option=--plat-name=win-arm64
 py -3.13 -m build --wheel --config-setting=--build-option=build_ext --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=build --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=bdist_wheel --config-setting=--build-option=--plat-name=win-arm64
+py -3.14 -m build --wheel --config-setting=--build-option=build_ext --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=build --config-setting=--build-option=--plat-name=win-arm64 --config-setting=--build-option=bdist_wheel --config-setting=--build-option=--plat-name=win-arm64
 
 @goto xit
 :couldnt_rm

setup.py

@@ -2008,6 +2008,7 @@ def convert_optional_data_files(files):
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Programming Language :: Python :: Implementation :: CPython",
 ]