Py3.14 Wheels

.semaphore/semaphore.yml

@@ -14,7 +14,7 @@ global_job_config:
       - checkout
       - mkdir artifacts
 blocks:
-  - name: "Wheels: OSX x64 - Python 3.7-3.12"
+  - name: "Wheels: OSX x64 - Python 3.8-3.12"
     run:
       when: "tag =~ '.*'"
     dependencies: []
@@ -34,7 +34,7 @@ blocks:
             - PIP_INSTALL_OPTIONS="--user" tools/wheels/build-wheels.sh "${LIBRDKAFKA_VERSION#v}" wheelhouse 2.16.2
             - tar -czf wheelhouse-macOS-${ARCH}.tgz wheelhouse
             - artifact push workflow wheelhouse-macOS-${ARCH}.tgz --destination artifacts/wheels-${OS_NAME}-${ARCH}.tgz/
-  - name: "Wheels: OSX x64 - Python 3.13"
+  - name: "Wheels: OSX x64 - Python 3.13-3.14"
     run:
       when: "tag =~ '.*'"
     dependencies: []
@@ -54,10 +54,10 @@ blocks:
       jobs:
         - name: Build
           commands:
-            - sem-version python 3.11
+            - sem-version python 3.13
             - PIP_INSTALL_OPTIONS="--user" tools/wheels/build-wheels.sh "${LIBRDKAFKA_VERSION#v}" wheelhouse
-            - tar -czf wheelhouse-macOS-${ARCH}-py313.tgz wheelhouse
-            - artifact push workflow wheelhouse-macOS-${ARCH}-py313.tgz --destination artifacts/wheels-${OS_NAME}-${ARCH}-py313.tgz/
+            - tar -czf wheelhouse-macOS-${ARCH}-py313-plus.tgz wheelhouse
+            - artifact push workflow wheelhouse-macOS-${ARCH}-py313-plus.tgz --destination artifacts/wheels-${OS_NAME}-${ARCH}-py313-plus.tgz/
   - name: "Wheels: OSX arm64 - Python 3.8-3.12"
     run:
       when: "tag =~ '.*'"
@@ -80,7 +80,7 @@ blocks:
             - PIP_INSTALL_OPTIONS="--user" tools/wheels/build-wheels.sh "${LIBRDKAFKA_VERSION#v}" wheelhouse 2.16.2
             - tar -czf wheelhouse-macOS-${ARCH}.tgz wheelhouse
             - artifact push workflow wheelhouse-macOS-${ARCH}.tgz --destination artifacts/wheels-${OS_NAME}-${ARCH}.tgz/
-  - name: "Wheels: OSX arm64 - Python 3.13"
+  - name: "Wheels: OSX arm64 - Python 3.13-3.14"
     run:
       when: "tag =~ '.*'"
     dependencies: []
@@ -102,10 +102,10 @@ blocks:
       jobs:
         - name: Build
           commands:
-            - sem-version python 3.11
+            - sem-version python 3.13
             - PIP_INSTALL_OPTIONS="--user" tools/wheels/build-wheels.sh "${LIBRDKAFKA_VERSION#v}" wheelhouse
-            - tar -czf wheelhouse-macOS-${ARCH}-py313.tgz wheelhouse
-            - artifact push workflow wheelhouse-macOS-${ARCH}-py313.tgz --destination artifacts/wheels-${OS_NAME}-${ARCH}-py313.tgz/
+            - tar -czf wheelhouse-macOS-${ARCH}-py313-plus.tgz wheelhouse
+            - artifact push workflow wheelhouse-macOS-${ARCH}-py313-plus.tgz --destination artifacts/wheels-${OS_NAME}-${ARCH}-py313-plus.tgz/
   - name: "Wheels: Linux arm64"
     run:
       when: "tag =~ '.*'"
@@ -122,6 +122,7 @@ blocks:
       jobs:
         - name: Build
           commands:
+            - sem-version python 3.13
             - ./tools/wheels/build-wheels.sh "${LIBRDKAFKA_VERSION#v}" wheelhouse
             - tar -czf wheelhouse-linux-${ARCH}.tgz wheelhouse
             - artifact push workflow wheelhouse-linux-${ARCH}.tgz --destination artifacts/wheels-${OS_NAME}-${ARCH}.tgz/
@@ -141,6 +142,7 @@ blocks:
       jobs:
         - name: Build
           commands:
+            - sem-version python 3.11
             - ./tools/wheels/build-wheels.sh "${LIBRDKAFKA_VERSION#v}" wheelhouse
             - tar -czf wheelhouse-linux-${ARCH}.tgz wheelhouse
             - artifact push workflow wheelhouse-linux-${ARCH}.tgz --destination artifacts/wheels-${OS_NAME}-${ARCH}.tgz/
@@ -170,6 +172,8 @@ blocks:
             - name: MSYSTEM
               value: UCRT64
           commands:
+            - pyenv install 3.11.9
+            - pyenv global 3.11.9
             - bash tools/mingw-w64/semaphore_commands.sh
             - bash tools/wheels/install-librdkafka.sh $env:LIBRDKAFKA_VERSION.TrimStart("v") dest
             - tools/wheels/build-wheels.bat x64 win_amd64 dest wheelhouse
@@ -379,10 +383,10 @@ blocks:
     run:
       when: "tag =~ '.*'"
     dependencies:
-      - "Wheels: OSX x64 - Python 3.7-3.12"
-      - "Wheels: OSX x64 - Python 3.13"
+      - "Wheels: OSX x64 - Python 3.8-3.12"
+      - "Wheels: OSX x64 - Python 3.13-3.14"
       - "Wheels: OSX arm64 - Python 3.8-3.12"
-      - "Wheels: OSX arm64 - Python 3.13"
+      - "Wheels: OSX arm64 - Python 3.13-3.14"
       - "Wheels: Linux arm64"
       - "Wheels: Linux x64"
       - "Wheels: Windows"

DEVELOPER.md

@@ -6,7 +6,7 @@ This document provides information useful to developers working on confluent-kaf
 
 ### Prerequisites
 
-- Python 3.7 or higher
+- Python 3.8 or higher
 - Git
 - librdkafka (for Kafka functionality)
 

pyproject.toml

@@ -14,7 +14,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "Topic :: Software Development :: Libraries :: Python Modules"]
 readme = "README.md"
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 dynamic = ["dependencies", "optional-dependencies"]
 
 [[project.authors]]

service.yml

@@ -1,6 +1,6 @@
 name: confluent-kafka-python
 lang: python
-lang_version: 3.7
+lang_version: 3.8
 git:
   enable: true
 github:

tools/cibuildwheel-build.sh

@@ -52,7 +52,7 @@ case "$(uname -s)" in
 esac
 
 if ! which cibuildwheel 2>/dev/null ; then
-    pip install cibuildwheel==0.4.1
+    pip install -r tools/requirements-manylinux.txt
 fi
 
 cibuildwheel $_CIBW_ARGS --output-dir "$OUT_DIR"

tools/mingw-w64/semaphore_commands.sh

@@ -8,4 +8,4 @@ export MAKE=mingw32-make  # so that Autotools can find it
 
 cmd /c mklink /D C:\Python38\python3.exe C:\Python38\python.exe
 
-python -m pip install cibuildwheel==2.21.3
+python -m pip install cibuildwheel==3.2.1

tools/mingw-w64/setup-msys2.ps1

@@ -1,7 +1,7 @@
 # Install (if necessary) and set up msys2.
 
 
-$url="https://github.com/msys2/msys2-installer/releases/download/2022-10-28/msys2-base-x86_64-20221028.sfx.exe"
+$url="https://github.com/msys2/msys2-installer/releases/download/2025-08-30/msys2-base-x86_64-20250830.sfx.exe"
 $sha256="e365b79b4b30b6f4baf34bd93f3d2a41c0a92801c7a96d79cddbfca1090a0554"
 
 

tools/requirements-manylinux.txt

@@ -1,2 +1,2 @@
-cibuildwheel
+cibuildwheel==3.2.1
 wheel

tools/wheels/build-wheels.bat

@@ -13,7 +13,7 @@ set WHEELHOUSE=%4
 if [%WHEELHOUSE%]==[] goto usage
 echo on
 
-set CIBW_BUILD=cp37-%BW_ARCH% cp38-%BW_ARCH% cp39-%BW_ARCH% cp310-%BW_ARCH% cp311-%BW_ARCH% cp312-%BW_ARCH% cp313-%BW_ARCH%
+set CIBW_BUILD=cp38-%BW_ARCH% cp39-%BW_ARCH% cp310-%BW_ARCH% cp311-%BW_ARCH% cp312-%BW_ARCH% cp313-%BW_ARCH% cp314-%BW_ARCH%
 set CIBW_BEFORE_BUILD=python -m pip install delvewheel==1.1.4
 set CIBW_TEST_REQUIRES=pytest
 set CIBW_TEST_COMMAND=pytest {project}\tests\test_error.py

tools/wheels/build-wheels.sh

@@ -16,7 +16,7 @@ export CIBW_MANYLINUX_AARCH64_IMAGE="manylinux_2_28"
 
 librdkafka_version=$1
 wheeldir=$2
-cibuildwheel_version=${3:-"2.21.3"}
+cibuildwheel_version=${3:-"3.2.1"}
 
 if [[ -z $wheeldir ]]; then
     echo "Usage: $0 <librdkafka-nuget-version> <wheeldir>"

tools/wheels/install-macos-python-required-by-cibuildwheel.py

@@ -2,7 +2,7 @@
 #
 #
 # Get python versions required for cibuildwheel from their config and
-# install them. This implementation is based on cibuildwheel 2.12.0
+# install them. This implementation is based on cibuildwheel 3.2.1
 # version. Might need tweak if something changes in cibuildwheel.
 #
 # This was added as there is a permission issue when cibuildwheel

tools/windows-build.bat

@@ -10,8 +10,8 @@ set
 rem Download and install librdkafka from NuGet.
 call tools\windows-install-librdkafka.bat %LIBRDKAFKA_NUGET_VERSION% dest || exit /b 1
 
-pip install -r requirements\requirements-tests-install.txt
-pip install cibuildwheel==0.12.0 || exit /b 1
+pip install -r requirements\requirements-tests-install.txt || exit /b 1
+pip install cibuildwheel==3.2.1 || exit /b 1
 
 rem Build wheels (without tests)
 cibuildwheel --platform windows --output-dir wheelhouse || exit /b 1