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Support building free-threaded CPython (#319)

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* Support building free-threaded CPython

Add support for Python's free threading build mode where the global
interpreter lock is disabled. The packages are marked using a suffix on
the architecture, like 'x64-freethreaded' or 'arm64-freethreaded'.

* Match '-freethreaded' in arch

* Use type 'string' instead of 'str'

* On Linux, only delete Python installations with the same architecture.

This matches the macOS behavior and allows users to install both the
free-threading and default builds at the same time.
This commit is contained in:
Sam Gross
2025-02-20 09:42:21 -05:00
committed by GitHub
parent e550a75036
commit d456108e6b
14 changed files with 176 additions and 39 deletions
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64
.github/workflows/build-python-packages.yml vendored
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@ -12,6 +12,11 @@ on:
required: true
type: boolean
default: false
THREADING_BUILD_MODES:
description: 'CPython threading build modes'
required: true
type: string
default: 'default,freethreaded'
PLATFORMS:
description: 'Platforms for execution in "os" or "os_arch" format (arch is "x64" by default)'
required: true
@ -40,32 +45,42 @@ jobs:
id: generate-matrix
run: |
[String[]]$configurations = "${{ inputs.platforms || 'ubuntu-20.04,ubuntu-22.04,ubuntu-22.04_arm64,ubuntu-24.04,ubuntu-24.04_arm64,macos-13,macos-14_arm64,windows-2019_x64,windows-2019_x86,windows-2019_arm64' }}".Split(",").Trim()
[String[]]$buildModes = "${{ inputs.threading_build_modes || 'default' }}".Split(",").Trim()
$matrix = @()
foreach ($configuration in $configurations) {
$parts = $configuration.Split("_")
$os = $parts[0]
$arch = if ($parts[1]) {$parts[1]} else {"x64"}
switch -wildcard ($os) {
"*ubuntu*" { $platform = $os.Replace("ubuntu","linux")}
"*macos*" { $platform = 'darwin' }
"*windows*" { $platform = 'win32' }
}
if ($configuration -eq "ubuntu-22.04_arm64") {
$os = "setup-actions-ubuntu-arm64-2-core"
}
elseif ($configuration -eq "ubuntu-24.04_arm64") {
$os = "setup-actions-ubuntu24-arm64-2-core"
}
elseif ($configuration -eq "windows-2019_arm64") {
$os = "setup-actions-windows-arm64-4-core"
}
$matrix += @{
'platform' = $platform
'os' = $os
'arch' = $arch
foreach ($buildMode in $buildModes) {
$parts = $configuration.Split("_")
$os = $parts[0]
$arch = if ($parts[1]) {$parts[1]} else {"x64"}
switch -wildcard ($os) {
"*ubuntu*" { $platform = $os.Replace("ubuntu","linux")}
"*macos*" { $platform = 'darwin' }
"*windows*" { $platform = 'win32' }
}
if ($configuration -eq "ubuntu-22.04_arm64") {
$os = "setup-actions-ubuntu-arm64-2-core"
}
elseif ($configuration -eq "ubuntu-24.04_arm64") {
$os = "setup-actions-ubuntu24-arm64-2-core"
}
elseif ($configuration -eq "windows-2019_arm64") {
$os = "setup-actions-windows-arm64-4-core"
}
if ($buildMode -eq "freethreaded") {
if ([semver]"${{ inputs.VERSION }}" -lt [semver]"3.13.0") {
continue;
}
$arch += "-freethreaded"
}
$matrix += @{
'platform' = $platform
'os' = $os
'arch' = $arch
}
}
}
echo "matrix=$($matrix | ConvertTo-Json -Compress -AsArray)" >> $env:GITHUB_OUTPUT
@ -205,6 +220,9 @@ jobs:
python-version: ${{ env.VERSION }}
architecture: ${{ matrix.arch }}
- name: Python version
run: python -VVV
- name: Verbose sysconfig dump
if: runner.os == 'Linux' || runner.os == 'macOS'
run: python ./sources/python-config-output.py