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GH-51208: [CI][Python] Update builds to CPython 3.15.0rc2 (cp315) #51209

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GH-51208: [CI][Python] Update builds to CPython 3.15.0rc2 (cp315) #51209

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369a75f
ci: bump to 3.15.0rc2
paultiq Sep 7, 2026
5d9d669
3.15.0-rc2 reference
paultiq Sep 9, 2026
f73bb30
bump to manylinux 2026.09.05-1 and musllinux build to 20260901 and PY…
paultiq Sep 9, 2026
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4 changes: 2 additions & 2 deletions .env
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,6 @@ VCPKG="9b965a116838c6cdcd36bca60d1b81b030c8ab8d" # 2026.05.27 (not release, u
# ci/docker/python-*-windows-*.dockerfile or the vcpkg config.
# This is a workaround for our CI problem that "archery docker build" doesn't
# use pulled built images in dev/tasks/python-wheels/github.windows.yml.
PYTHON_WHEEL_WINDOWS_IMAGE_REVISION=2026-08-14
PYTHON_WHEEL_WINDOWS_TEST_IMAGE_REVISION=2026-08-14
PYTHON_WHEEL_WINDOWS_IMAGE_REVISION=2026-09-09
PYTHON_WHEEL_WINDOWS_TEST_IMAGE_REVISION=2026-09-09

2 changes: 1 addition & 1 deletion ci/docker/python-free-threaded-wheel-musllinux-test-imports.dockerfile
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Expand Up @@ -36,7 +36,7 @@ RUN apk update && \
RUN set -e; \
case "${python_version}" in \
3.14) python_patch_version="3.14.7";; \
3.15) python_patch_version="3.15.0rc1";; \
3.15) python_patch_version="3.15.0rc2";; \
esac && \
curl -L -o python.tar.zst \
https://github.com/astral-sh/python-build-standalone/releases/download/${build_date}/cpython-${python_patch_version}+${build_date}-${arch}-unknown-linux-musl-freethreaded+lto-full.tar.zst && \
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2 changes: 1 addition & 1 deletion ci/docker/python-free-threaded-wheel-musllinux-test-unittests.dockerfile
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Expand Up @@ -38,7 +38,7 @@ RUN apk update && \
RUN set -e; \
case "${python_version}" in \
3.14) python_patch_version="3.14.7";; \
3.15) python_patch_version="3.15.0rc1";; \
3.15) python_patch_version="3.15.0rc2";; \
esac && \
curl -L -o python.tar.zst \
https://github.com/astral-sh/python-build-standalone/releases/download/${build_date}/cpython-${python_patch_version}+${build_date}-${arch}-unknown-linux-musl-freethreaded+lto-full.tar.zst && \
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4 changes: 2 additions & 2 deletions ci/docker/python-free-threaded-wheel-windows-test-vs2022.dockerfile
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Expand Up @@ -27,10 +27,10 @@ FROM ${base}
ARG python=3.14

# PYTHON_RELEASE is the python.org ftp directory, which for a pre-release is the
# final release it leads to, e.g. 3.15.0/python-3.15.0rc1-amd64.exe
# final release it leads to, e.g. 3.15.0/python-3.15.0rc2-amd64.exe
# hadolint ignore=SC1072
RUN (if "%python%"=="3.14" setx PYTHON_VERSION "3.14.7" && setx PYTHON_RELEASE "3.14.7") & \
(if "%python%"=="3.15" setx PYTHON_VERSION "3.15.0rc1" && setx PYTHON_RELEASE "3.15.0")
(if "%python%"=="3.15" setx PYTHON_VERSION "3.15.0rc2" && setx PYTHON_RELEASE "3.15.0")

SHELL ["powershell", "-NoProfile", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
RUN $version = $env:PYTHON_VERSION; \
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2 changes: 1 addition & 1 deletion ci/docker/python-wheel-windows-test-vs2022.dockerfile
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Expand Up @@ -32,7 +32,7 @@ RUN (if "%python%"=="3.11" setx PYTHON_VERSION "3.11.9" && setx PYTHON_CMD "py -
(if "%python%"=="3.12" setx PYTHON_VERSION "3.12.10" && setx PYTHON_CMD "py -3.12") & \
(if "%python%"=="3.13" setx PYTHON_VERSION "3.13.14" && setx PYTHON_CMD "py -3.13") & \
(if "%python%"=="3.14" setx PYTHON_VERSION "3.14.7" && setx PYTHON_CMD "py -3.14") & \
(if "%python%"=="3.15" setx PYTHON_VERSION "3.15.0-rc1" && setx PYTHON_CMD "py -3.15")
(if "%python%"=="3.15" setx PYTHON_VERSION "3.15.0-rc2" && setx PYTHON_CMD "py -3.15")


# hadolint ignore=DL3059
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6 changes: 3 additions & 3 deletions ci/scripts/install_python.sh
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Expand Up @@ -30,8 +30,8 @@ versions=([3.11]=3.11.9
[3.13]=3.13.14
[3.14]=3.14.7
[3.14t]=3.14.7
[3.15]=3.15.0rc1
[3.15t]=3.15.0rc1
[3.15]=3.15.0rc2
[3.15t]=3.15.0rc2
)

if [ "$#" -ne 2 ]; then
Expand All @@ -50,7 +50,7 @@ if [ "$platform" = "macOS" ]; then
echo "Downloading Python installer..."

# Match python.org directory by truncating any pre-release suffix:
# 3.15.0rc1 is https://www.python.org/ftp/python/3.15.0/python-3.15.0rc1-macos11.pkg
# 3.15.0rc2 is https://www.python.org/ftp/python/3.15.0/python-3.15.0rc2-macos11.pkg
release_version="${full_version%%[abrc]*}"
fname="python-${full_version}-macos11.pkg"
wget "https://www.python.org/ftp/python/${release_version}/${fname}"
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8 changes: 4 additions & 4 deletions compose.yaml
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Expand Up @@ -1180,7 +1180,7 @@ services:
args:
arch: ${ARCH}
arch_short: ${ARCH_SHORT}
base: quay.io/pypa/manylinux_2_28_${ARCH_ALIAS}:2026.08.08-1
base: quay.io/pypa/manylinux_2_28_${ARCH_ALIAS}:2026.09.05-1
manylinux: 2_28
python: ${PYTHON}
python_abi_tag: ${PYTHON_ABI_TAG}
Expand All @@ -1205,7 +1205,7 @@ services:
args:
arch: ${ARCH}
arch_short: ${ARCH_SHORT}
base: quay.io/pypa/musllinux_1_2_${ARCH_ALIAS}:2026.08.08-1
base: quay.io/pypa/musllinux_1_2_${ARCH_ALIAS}:2026.09.05-1
musllinux: 1_2
python: ${PYTHON}
python_abi_tag: ${PYTHON_ABI_TAG}
Expand Down Expand Up @@ -1246,7 +1246,7 @@ services:
args:
base: "alpine:${ALPINE_LINUX}"
python_version: ${PYTHON}
build_date: "20260807" # python-build-standalone release date
build_date: "20260901" # python-build-standalone release date
arch: ${ARCH_ALIAS}
context: .
dockerfile: ci/docker/python-free-threaded-wheel-musllinux-test-imports.dockerfile
Expand Down Expand Up @@ -1290,7 +1290,7 @@ services:
args:
base: "alpine:${ALPINE_LINUX}"
python_version: ${PYTHON}
build_date: "20260807" # python-build-standalone release date
build_date: "20260901" # python-build-standalone release date
arch: ${ARCH_ALIAS}
context: .
dockerfile: ci/docker/python-free-threaded-wheel-musllinux-test-unittests.dockerfile
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