feat: Pyodide improvements: version setting, standalone environments (#2002)

* Fix a typo: pyoodide ➡️ pyodide

* Add `pyodide_build_version` attribute

* Add version to xbuildenv log step

* Add version to Emscripten log step

* Use `pyodide-build`'s version for updating constraints

* Bump Pyodide constraints by updating `pyodide-build`

* Add a schema for `pyodide-version`

* Update Pyodide constraints

* Bump `pyodide-build` to new 0.29.0

* Test out another Pyodide identifier

* Update outdated Pyodide constraints

* Add Pyodide version to temp directory name

* Remove Pyodide 0.26.1 from build configurations

* Retrieve + validate + install specific xbuildenvs

* Test wheel builds with Pyodide 0.26.2

* Add correct Pyodide version to identifier temp dir

* Don't pre-call Pyodide xbuildenv search

* Fetch just the stable Pyodide versions

* Refactor search + validation + install into one step

* Move all of it under a lock

* Reorder xbuildenv installation

* Add env and cwd to xbuildenv search call

* Temporarily lower to 0.26.2 target

* Separate out search, validate, install; again

* Run xbuildenv search in `CIBW_CACHE_PATH`

* Remove prior `PYODIDE_ROOT` env vars, copy envs

* Validate doesn't need to depend on searching

* Add file lock when searching xbuildenvs

* Test the original version: 0.26.1

* Update Pyodide constraints

* Update constraints for `pyodide-build` 0.29.0 again

* Bump Pyodide from version 0.26.1 ➡️ version 0.26.4

* Add note on compatibility for macOS + other archs

* Note Pyodide version for Pyodide identifier

* Docs about `CIBW_PYODIDE_VERSION`

* Don't fetch just the stable versions

* Discard a variable that's not used later

* Rename `search_xbuildenv` ➡️ `get_xbuildenv_versions`

* `validate_xbuildenv` ➡️ `validate_xbuildenv_version`

* Replace ordered comment, add newline

* Replace sentence on macOS support

Co-Authored-By: Hood Chatham <roberthoodchatham@gmail.com>

* Capitalise: "pyodide" ➡️ "Pyodide"

Co-Authored-By: Hood Chatham <roberthoodchatham@gmail.com>

* "work" ➡️ "may succeed"

Co-Authored-By: Hood Chatham <roberthoodchatham@gmail.com>

* Add another job to test a custom Pyodide version

* Handle "v"-prefixed + non-prefixed versions

* Convert to a proper toml-able option, and remove some hardcoded versions

This removes the enscripten and pyodide-build version specs from
pyproject.toml - pyodide-build is spec'd in the constraints file, and
the emscripten version can be read from the pyodide-build output.

* Add a schema entry

* Add docs for CIBW_PYODIDE_VERSION

* Rephrase

* Add tests for pyodide-version

* Apply suggestions from code review

* Add python_build_standalone util

* Hook up to python-build-standalone, removing dependency on host python

* Remove python hard-code in action.yml

* Add log step

* Add workaround for https://github.com/pyodide/pyodide-build/issues/143

* Add emscripten pytest test

* Remove unneeded checks

* Fix a pytest invoke for emscripten

* Generate pyodide-build constraints from the pinned pyodide version

* Remove pyodide python-build-standalone workaround

* Fixup paths from newer version of pyodide-build

* Fix/skip some failing tests

* Use `python -m pytest` on pyodide, even on Linux

* Docs fixes

* Don't call the github API at runtime, cache the release assets instead

* Ignore pylint false positive

* Add version auto-updating for pyodide

* Add support for pyodide 3.13.

* Fix tests for multiple pyodide wheels

* Remove workaround for unreleased pyodide-build

* Rename to "test_pyodide"

* Fix pathname confusion

* Remove extra github actions job

* Fix expectation for test_abi_none

* Fix the custom_repair_wheel test to actually have clashing names

* Fix pinned version test

* Document test-command limitation

* Remove pyodide 0.28.0a1 for now

* Update constraints files

* Docs/test fixes post removing pyodide cp313

* Fix ABI test expectation

* Docs improvements

* Improve some comments

* Remove logic duplication

* remove pyodide special casing

* Refactor constraints code to use a utility script, circumventing import issues

* chore: nicer nox env

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* fix: typo in variable name found by copilot

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* Apply suggestions from code review

* Some more Pyodide version updates in the docs section

* We haven't released Pyodide v0.27.6 yet

* Back to the Github URL for cross-build-environments

* `pyodide-build`, not `emsdk` for Windows skips

Co-Authored-By: Hood Chatham <roberthoodchatham@gmail.com>

* Move to a separate `_json_request` function

Co-Authored-By: Hood Chatham <roberthoodchatham@gmail.com>

* Rename "retries" ➡️ "retry_count"

* Add some type hints

* Copy env vars before `UV_CUSTOM_COMPILE_COMMAND`

* Use `HTTPError.headers.get` instead

* Remove extra end quote

* Change download tests URL to `https://badssl.com/`

Co-Authored-By: Joe Rickerby <1244307+joerick@users.noreply.github.com>

* Download size changes, too

* Use jsdelivr for Github asset mirroring

* Bump to Pyodide v0.27.6

* Fix unit tests

* Move to pyodide v0.27.6 again

* Bump to pyodide-build 0.30.4

* Use new URL for cross-build environments metadata

Co-authored-by: Joe Rickerby <joerick@mac.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Co-authored-by: Joe Rickerby <joerick@mac.com>
Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
Co-authored-by: Joe Rickerby <1244307+joerick@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
This commit is contained in:
Agriya Khetarpal
2025-05-20 16:59:58 -04:00
committed by GitHub
co-authored by Hood Chatham Joe Rickerby Joe Rickerby Henry Schreiner pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
parent c3c260dff7
commit 163864158d
30 changed files with 1298 additions and 115 deletions
+70 -1
View File
@@ -2,9 +2,16 @@
These are utilities for the `/bin` scripts, not for the `cibuildwheel` program.
"""
import json
import time
import typing
import urllib.error
import urllib.request
from collections.abc import Mapping, Sequence
from io import StringIO
from typing import Protocol
from typing import Any, NotRequired, Protocol
from cibuildwheel import __version__ as cibw_version
__all__ = ("Printable", "dump_python_configurations")
@@ -30,3 +37,65 @@ def dump_python_configurations(
output.write("\n")
# Strip the final newline, to avoid two blank lines at the end.
return output.getvalue()[:-1]
def _json_request(request: urllib.request.Request, timeout: int = 30) -> dict[str, Any]:
with urllib.request.urlopen(request, timeout=timeout) as response:
return typing.cast(dict[str, Any], json.load(response))
def github_api_request(path: str, *, max_retries: int = 3) -> dict[str, Any]:
"""
Makes a GitHub API request to the given path and returns the JSON response.
"""
api_url = f"https://api.github.com/{path}"
headers = {
"Accept": "application/vnd.github.v3+json",
"User-Agent": f"cibuildwheel/{cibw_version}",
}
request = urllib.request.Request(api_url, headers=headers)
for retry_count in range(max_retries):
try:
return _json_request(request)
except (urllib.error.URLError, TimeoutError) as e:
# pylint: disable=E1101
if (
isinstance(e, urllib.error.HTTPError)
and (e.code == 403 or e.code == 429)
and e.headers.get("x-ratelimit-remaining") == "0"
):
reset_time = int(e.headers.get("x-ratelimit-reset", 0))
wait_time = max(0, reset_time - int(e.headers.get("date", 0)))
print(f"Github rate limit exceeded. Waiting for {wait_time} seconds.")
time.sleep(wait_time)
else:
print(f"Retrying GitHub API request due to error: {e}")
if retry_count == max_retries - 1:
print(f"GitHub API request failed (Network error: {e}). Check network connection.")
raise e
# Should never be reached but to keep the type checker happy
msg = "Unexpected execution path in github_api_request"
raise RuntimeError(msg)
class PyodideXBuildEnvRelease(typing.TypedDict):
version: str
python_version: str
emscripten_version: str
min_pyodide_build_version: NotRequired[str]
max_pyodide_build_version: NotRequired[str]
class PyodideXBuildEnvInfo(typing.TypedDict):
releases: dict[str, PyodideXBuildEnvRelease]
def get_pyodide_xbuildenv_info() -> PyodideXBuildEnvInfo:
xbuildenv_info_url = (
"https://pyodide.github.io/pyodide/api/pyodide-cross-build-environments.json"
)
with urllib.request.urlopen(xbuildenv_info_url) as response:
return typing.cast(PyodideXBuildEnvInfo, json.loads(response.read().decode("utf-8")))
+4
View File
@@ -112,6 +112,7 @@ class BuildOptions:
build_frontend: BuildFrontendConfig | None
config_settings: str
container_engine: OCIContainerEngineConfig
pyodide_version: str | None
@property
def package_dir(self) -> Path:
@@ -850,6 +851,8 @@ class Options:
msg = f"Failed to parse container config. {e}"
raise errors.ConfigurationError(msg) from e
pyodide_version = self.reader.get("pyodide-version", env_plat=False)
return BuildOptions(
globals=self.globals,
test_command=test_command,
@@ -871,6 +874,7 @@ class Options:
build_frontend=build_frontend,
config_settings=config_settings,
container_engine=container_engine,
pyodide_version=pyodide_version or None,
)
def check_for_invalid_configuration(self, identifiers: Iterable[str]) -> None:
+144 -40
View File
@@ -1,13 +1,15 @@
import functools
import json
import os
import shutil
import sys
import tomllib
import typing
from collections.abc import Set
from dataclasses import dataclass
from pathlib import Path
from tempfile import TemporaryDirectory
from typing import Final
from typing import Final, TypedDict
from filelock import FileLock
@@ -28,8 +30,12 @@ from ..util.file import (
extract_zip,
move_file,
)
from ..util.helpers import prepare_command
from ..util.helpers import prepare_command, unwrap, unwrap_preserving_paragraphs
from ..util.packaging import combine_constraints, find_compatible_wheel, get_pip_version
from ..util.python_build_standalone import (
PythonBuildStandaloneError,
create_python_build_standalone_environment,
)
from ..venv import constraint_flags, virtualenv
IS_WIN: Final[bool] = sys.platform.startswith("win")
@@ -39,12 +45,23 @@ IS_WIN: Final[bool] = sys.platform.startswith("win")
class PythonConfiguration:
version: str
identifier: str
pyodide_version: str
pyodide_build_version: str
emscripten_version: str
default_pyodide_version: str
node_version: str
class PyodideXBuildEnvInfoVersionRange(TypedDict):
min: str | None
max: str | None
class PyodideXBuildEnvInfo(TypedDict):
version: str
python: str
emscripten: str
pyodide_build: PyodideXBuildEnvInfoVersionRange
compatible: bool
@functools.cache
def ensure_node(major_version: str) -> Path:
with resources.NODEJS.open("rb") as f:
@@ -77,8 +94,6 @@ def ensure_node(major_version: str) -> Path:
def install_emscripten(tmp: Path, version: str) -> Path:
# We don't need to match the emsdk version to the version we install, but
# we do for stability
url = f"https://github.com/emscripten-core/emsdk/archive/refs/tags/{version}.zip"
installation_path = CIBW_CACHE_PATH / f"emsdk-{version}"
emsdk_path = installation_path / f"emsdk-{version}/emsdk"
@@ -96,16 +111,82 @@ def install_emscripten(tmp: Path, version: str) -> Path:
return emcc_path
def get_all_xbuildenv_version_info(env: dict[str, str]) -> list[PyodideXBuildEnvInfo]:
xbuildenvs_info_str = call(
"pyodide",
"xbuildenv",
"search",
"--json",
"--all",
env=env,
cwd=CIBW_CACHE_PATH,
capture_stdout=True,
).strip()
xbuildenvs_info = json.loads(xbuildenvs_info_str)
if "environments" not in xbuildenvs_info:
msg = f"Invalid xbuildenvs info, got {xbuildenvs_info}"
raise ValueError(msg)
return typing.cast(list[PyodideXBuildEnvInfo], xbuildenvs_info["environments"])
def get_xbuildenv_version_info(
env: dict[str, str], version: str, pyodide_build_version: str
) -> PyodideXBuildEnvInfo:
xbuildenvs_info = get_all_xbuildenv_version_info(env)
for xbuildenv_info in xbuildenvs_info:
if xbuildenv_info["version"] == version:
return xbuildenv_info
msg = unwrap(f"""
Could not find Pyodide cross-build environment version {version} in the available
versions as reported by pyodide-build v{pyodide_build_version}.
Available pyodide xbuildenv versions are:
{", ".join(e["version"] for e in xbuildenvs_info if e["compatible"])}
""")
raise errors.FatalError(msg)
# The default pyodide xbuildenv version that's specified in
# build-platforms.toml is compatible with the pyodide-build version that's
# pinned in the bundled constraints file. But if the user changes
# pyodide-version and/or dependency-constraints in the cibuildwheel config, we
# need to check if the xbuildenv version is compatible with the pyodide-build
# version.
def validate_pyodide_build_version(
xbuildenv_info: PyodideXBuildEnvInfo, pyodide_build_version: str
) -> None:
"""
Validate the Pyodide version is compatible with the installed
pyodide-build version.
"""
pyodide_version = xbuildenv_info["version"]
if not xbuildenv_info["compatible"]:
msg = unwrap_preserving_paragraphs(f"""
The Pyodide xbuildenv version {pyodide_version} is not compatible
with the pyodide-build version {pyodide_build_version}. Please use
the 'pyodide xbuildenv search --all' command to find a compatible
version.
Set the pyodide-build version using the `dependency-constraints`
option, or set the Pyodide xbuildenv version using the
`pyodide-version` option.
""")
raise errors.FatalError(msg)
def install_xbuildenv(env: dict[str, str], pyodide_build_version: str, pyodide_version: str) -> str:
"""Install a particular Pyodide xbuildenv version and set a path to the Pyodide root."""
# Since pyodide-build was unvendored from Pyodide v0.27.0, the versions of pyodide-build are
# not guaranteed to match the versions of Pyodide or be in sync with them. Hence, we shall
# specify the pyodide-build version in the root path, which will set up the xbuildenv for
# the requested Pyodide version.
pyodide_root = (
CIBW_CACHE_PATH
/ f".pyodide-xbuildenv-{pyodide_build_version}/{pyodide_version}/xbuildenv/pyodide-root"
)
# Since pyodide-build was unvendored from Pyodide v0.27.0, the versions of
# pyodide-build are uncoupled from the versions of Pyodide. So, we specify
# both the pyodide-build version and the Pyodide version in the temp path.
xbuildenv_cache_path = CIBW_CACHE_PATH / f"pyodide-build-{pyodide_build_version}"
pyodide_root = xbuildenv_cache_path / pyodide_version / "xbuildenv" / "pyodide-root"
with FileLock(CIBW_CACHE_PATH / "xbuildenv.lock"):
if pyodide_root.exists():
return str(pyodide_root)
@@ -114,31 +195,36 @@ def install_xbuildenv(env: dict[str, str], pyodide_build_version: str, pyodide_v
# PYODIDE_ROOT so copy it first.
env = dict(env)
env.pop("PYODIDE_ROOT", None)
# Install the xbuildenv
call(
"pyodide",
"xbuildenv",
"install",
"--path",
str(xbuildenv_cache_path),
pyodide_version,
env=env,
cwd=CIBW_CACHE_PATH,
)
assert pyodide_root.exists()
return str(pyodide_root)
def get_base_python(identifier: str) -> Path:
implementation_id = identifier.split("-")[0]
majorminor = implementation_id[len("cp") :]
version_info = (int(majorminor[0]), int(majorminor[1:]))
if version_info == sys.version_info[:2]:
return Path(sys.executable)
major_minor = ".".join(str(v) for v in version_info)
python_name = f"python{major_minor}"
which_python = shutil.which(python_name)
if which_python is None:
msg = f"CPython {major_minor} is not installed."
raise errors.FatalError(msg)
return Path(which_python)
def get_base_python(tmp: Path, python_configuration: PythonConfiguration) -> Path:
try:
return create_python_build_standalone_environment(
python_version=python_configuration.version,
temp_dir=tmp,
cache_dir=CIBW_CACHE_PATH,
)
except PythonBuildStandaloneError as e:
msg = unwrap(f"""
Failed to create a Python build environment:
{e}
""")
raise errors.FatalError(msg) from e
def setup_python(
@@ -146,10 +232,13 @@ def setup_python(
python_configuration: PythonConfiguration,
constraints_path: Path | None,
environment: ParsedEnvironment,
user_pyodide_version: str | None,
) -> dict[str, str]:
base_python = get_base_python(python_configuration.identifier)
log.step("Installing a base python environment...")
base_python = get_base_python(tmp / "base", python_configuration)
log.step("Setting up build environment...")
pyodide_version = user_pyodide_version or python_configuration.default_pyodide_version
venv_path = tmp / "venv"
env = virtualenv(python_configuration.version, base_python, venv_path, None, use_uv=False)
venv_bin_path = venv_path / "bin"
@@ -201,15 +290,28 @@ def setup_python(
env=env,
)
log.step(f"Installing Emscripten version: {python_configuration.emscripten_version} ...")
emcc_path = install_emscripten(tmp, python_configuration.emscripten_version)
pyodide_build_version = call(
"python",
"-c",
"from importlib.metadata import version; print(version('pyodide-build'))",
env=env,
capture_stdout=True,
).strip()
xbuildenv_info = get_xbuildenv_version_info(env, pyodide_version, pyodide_build_version)
validate_pyodide_build_version(
xbuildenv_info=xbuildenv_info,
pyodide_build_version=pyodide_build_version,
)
emscripten_version = xbuildenv_info["emscripten"]
log.step(f"Installing Emscripten version: {emscripten_version} ...")
emcc_path = install_emscripten(tmp, emscripten_version)
env["PATH"] = os.pathsep.join([str(emcc_path.parent), env["PATH"]])
log.step(f"Installing Pyodide xbuildenv version: {python_configuration.pyodide_version} ...")
env["PYODIDE_ROOT"] = install_xbuildenv(
env, python_configuration.pyodide_build_version, python_configuration.pyodide_version
)
log.step(f"Installing Pyodide xbuildenv version: {pyodide_version} ...")
env["PYODIDE_ROOT"] = install_xbuildenv(env, pyodide_build_version, pyodide_version)
return env
@@ -259,6 +361,7 @@ def build(options: Options, tmp_path: Path) -> None:
log.build_start(config.identifier)
identifier_tmp_dir = tmp_path / config.identifier
built_wheel_dir = identifier_tmp_dir / "built_wheel"
repaired_wheel_dir = identifier_tmp_dir / "repaired_wheel"
identifier_tmp_dir.mkdir()
@@ -270,10 +373,11 @@ def build(options: Options, tmp_path: Path) -> None:
)
env = setup_python(
identifier_tmp_dir / "build",
config,
constraints_path,
build_options.environment,
tmp=identifier_tmp_dir / "build",
python_configuration=config,
constraints_path=constraints_path,
environment=build_options.environment,
user_pyodide_version=build_options.pyodide_version,
)
pip_version = get_pip_version(env)
# The Pyodide command line runner mounts all directories in the host
+1 -1
View File
@@ -220,7 +220,7 @@ python_configurations = [
[pyodide]
python_configurations = [
{ identifier = "cp312-pyodide_wasm32", version = "3.12", pyodide_version = "0.27.0", pyodide_build_version = "0.29.2", emscripten_version = "3.1.58", node_version = "v20" },
{ identifier = "cp312-pyodide_wasm32", version = "3.12", default_pyodide_version = "0.27.6", node_version = "v22" },
]
[ios]
@@ -424,6 +424,11 @@
],
"title": "CIBW_XBUILD_TOOLS"
},
"pyodide-version": {
"type": "string",
"description": "Specify the version of Pyodide to use",
"title": "CIBW_PYODIDE_VERSION"
},
"repair-wheel-command": {
"description": "Execute a shell command to repair each built wheel.",
"oneOf": [
@@ -718,6 +723,9 @@
"xbuild-tools": {
"$ref": "#/properties/xbuild-tools"
},
"pyodide-version": {
"$ref": "#/properties/pyodide-version"
},
"repair-wheel-command": {
"$ref": "#/properties/repair-wheel-command"
},
@@ -830,6 +838,9 @@
"xbuild-tools": {
"$ref": "#/properties/xbuild-tools"
},
"pyodide-version": {
"$ref": "#/properties/pyodide-version"
},
"repair-wheel-command": {
"description": "Execute a shell command to repair each built wheel.",
"oneOf": [
@@ -900,6 +911,9 @@
"xbuild-tools": {
"$ref": "#/properties/xbuild-tools"
},
"pyodide-version": {
"$ref": "#/properties/pyodide-version"
},
"repair-wheel-command": {
"$ref": "#/properties/repair-wheel-command"
},
@@ -957,6 +971,9 @@
"xbuild-tools": {
"$ref": "#/properties/xbuild-tools"
},
"pyodide-version": {
"$ref": "#/properties/pyodide-version"
},
"repair-wheel-command": {
"description": "Execute a shell command to repair each built wheel.",
"oneOf": [
@@ -1027,6 +1044,9 @@
"xbuild-tools": {
"$ref": "#/properties/xbuild-tools"
},
"pyodide-version": {
"$ref": "#/properties/pyodide-version"
},
"repair-wheel-command": {
"$ref": "#/properties/repair-wheel-command"
},
@@ -1084,6 +1104,9 @@
"xbuild-tools": {
"$ref": "#/properties/xbuild-tools"
},
"pyodide-version": {
"$ref": "#/properties/pyodide-version"
},
"repair-wheel-command": {
"$ref": "#/properties/repair-wheel-command"
},
@@ -4,7 +4,7 @@ annotated-types==0.7.0
# via pydantic
anyio==4.9.0
# via httpx
auditwheel-emscripten==0.0.16
auditwheel-emscripten==0.1.0
# via pyodide-build
build==1.2.2.post1
# via
@@ -21,8 +21,6 @@ click==8.1.8
# via
# -r .nox/update_constraints/tmp/constraints-pyodide.in
# typer
cmake==4.0.2
# via pyodide-build
distlib==0.3.9
# via virtualenv
filelock==3.18.0
@@ -53,7 +51,9 @@ packaging==25.0
pip==25.1.1
# via -r .nox/update_constraints/tmp/constraints-pyodide.in
platformdirs==4.3.8
# via virtualenv
# via
# pyodide-build
# virtualenv
pydantic==2.11.4
# via
# pyodide-build
@@ -62,9 +62,9 @@ pydantic-core==2.33.2
# via pydantic
pygments==2.19.1
# via rich
pyodide-build==0.29.2
pyodide-build==0.30.4
# via -r .nox/update_constraints/tmp/constraints-pyodide.in
pyodide-cli==0.2.4
pyodide-cli==0.3.0
# via
# auditwheel-emscripten
# pyodide-build
+2
View File
@@ -28,6 +28,8 @@ test-environment = {}
container-engine = "docker"
pyodide-version = ""
manylinux-x86_64-image = "manylinux_2_28"
manylinux-i686-image = "manylinux2014"
manylinux-aarch64-image = "manylinux_2_28"
@@ -0,0 +1,425 @@
{
"releases": [
{
"tag": "20250409",
"assets": [
{
"name": "cpython-3.10.17+20250409-aarch64-apple-darwin-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.10.17%2B20250409-aarch64-apple-darwin-install_only.tar.gz"
},
{
"name": "cpython-3.10.17+20250409-aarch64-unknown-linux-gnu-install_only.tar.gz",
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"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-aarch64-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-armv7-unknown-linux-gnueabi-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-armv7-unknown-linux-gnueabi-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-armv7-unknown-linux-gnueabihf-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-armv7-unknown-linux-gnueabihf-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-i686-pc-windows-msvc-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-i686-pc-windows-msvc-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-ppc64le-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-ppc64le-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-riscv64-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-riscv64-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-s390x-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-s390x-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-x86_64-apple-darwin-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64-apple-darwin-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-x86_64-pc-windows-msvc-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64-pc-windows-msvc-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-x86_64-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-x86_64_v2-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-x86_64_v3-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.14.0a6+20250409-x86_64_v4-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.14.0a6%2B20250409-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-aarch64-apple-darwin-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-aarch64-apple-darwin-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-aarch64-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-aarch64-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-armv7-unknown-linux-gnueabi-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-armv7-unknown-linux-gnueabi-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-armv7-unknown-linux-gnueabihf-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-armv7-unknown-linux-gnueabihf-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-i686-pc-windows-msvc-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-i686-pc-windows-msvc-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-ppc64le-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-ppc64le-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-riscv64-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-riscv64-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-s390x-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-s390x-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64-apple-darwin-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64-apple-darwin-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64-pc-windows-msvc-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64-pc-windows-msvc-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64-unknown-linux-musl-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64-unknown-linux-musl-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64_v2-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64_v2-unknown-linux-musl-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v2-unknown-linux-musl-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64_v3-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64_v3-unknown-linux-musl-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v3-unknown-linux-musl-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64_v4-unknown-linux-gnu-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"
},
{
"name": "cpython-3.9.22+20250409-x86_64_v4-unknown-linux-musl-install_only.tar.gz",
"url": "https://github.com/astral-sh/python-build-standalone/releases/download/20250409/cpython-3.9.22%2B20250409-x86_64_v4-unknown-linux-musl-install_only.tar.gz"
}
]
}
]
}
+3
View File
@@ -165,6 +165,9 @@ def find_compatible_wheel(wheels: Sequence[T], identifier: str) -> T | None:
continue
if not tag.platform.endswith(f"_{arch}"):
continue
elif platform.startswith("pyodide"):
# each Pyodide version has its own platform tag
continue
else:
# Windows should exactly match
if tag.platform != platform:
@@ -0,0 +1,181 @@
import fnmatch
import functools
import json
import platform
import typing
from pathlib import Path
from filelock import FileLock
from cibuildwheel.util.file import download, extract_tar
from cibuildwheel.util.resources import PYTHON_BUILD_STANDALONE_RELEASES
class PythonBuildStandaloneAsset(typing.TypedDict):
name: str
url: str
class PythonBuildStandaloneRelease(typing.TypedDict):
tag: str
assets: list[PythonBuildStandaloneAsset]
class PythonBuildStandaloneReleaseData(typing.TypedDict):
releases: list[PythonBuildStandaloneRelease]
@functools.cache
def get_python_build_standalone_release_data() -> PythonBuildStandaloneReleaseData:
with open(PYTHON_BUILD_STANDALONE_RELEASES, "rb") as f:
return typing.cast(PythonBuildStandaloneReleaseData, json.load(f))
class PythonBuildStandaloneError(Exception):
"""Errors related to python-build-standalone."""
def _get_platform_identifiers() -> tuple[str, str, str | None]:
"""
Detects the current platform and returns architecture, platform, and libc
identifiers.
"""
system = platform.system()
machine = platform.machine()
machine_lower = machine.lower()
arch_identifier: str
platform_identifier: str
libc_identifier: str | None = None
# Map Architecture
if machine_lower in ["x86_64", "amd64"]:
arch_identifier = "x86_64"
elif machine_lower in ["aarch64", "arm64"]:
arch_identifier = "aarch64"
else:
msg = f"Unsupported architecture: {system} {machine}. Cannot download appropriate Python build."
raise PythonBuildStandaloneError(msg)
# Map OS + Libc
if system == "Linux":
platform_identifier = "unknown-linux"
libc_identifier = "musl" if "musl" in (platform.libc_ver() or ("", "")) else "gnu"
elif system == "Darwin":
platform_identifier = "apple-darwin"
elif system == "Windows":
platform_identifier = "pc-windows-msvc"
else:
msg = f"Unsupported operating system: {system}. Cannot download appropriate Python build."
raise PythonBuildStandaloneError(msg)
print(
f"Detected platform: arch='{arch_identifier}', platform='{platform_identifier}', libc='{libc_identifier}'"
)
return arch_identifier, platform_identifier, libc_identifier
def _get_pbs_asset(
*,
python_version: str,
arch_identifier: str,
platform_identifier: str,
libc_identifier: str | None,
) -> tuple[str, str, str]:
"""Finds the asset, returning (tag, filename, url)."""
release_data = get_python_build_standalone_release_data()
expected_suffix = f"{arch_identifier}-{platform_identifier}"
if libc_identifier:
expected_suffix += f"-{libc_identifier}"
expected_suffix += "-install_only.tar.gz"
asset_pattern = f"cpython-{python_version}.*-{expected_suffix}"
print(f"Looking for file with pattern {asset_pattern}")
for release in release_data["releases"]:
for asset in release["assets"]:
asset_name = asset["name"]
if not fnmatch.fnmatch(asset_name, asset_pattern):
continue
asset_url = asset["url"]
return release["tag"], asset_url, asset_name
# If loop completes without finding a match
msg = f"Could not find python-build-standalone release asset matching {asset_pattern!r}."
raise PythonBuildStandaloneError(msg)
def _download_or_get_from_cache(asset_url: str, asset_filename: str, cache_dir: Path) -> Path:
with FileLock(cache_dir / (asset_filename + ".lock")):
asset_cache_path = cache_dir / asset_filename
if asset_cache_path.is_file():
print(f"Using cached python_build_standalone: {asset_cache_path}")
return asset_cache_path
print(f"Downloading python_build_standalone: {asset_url} to {asset_cache_path}")
download(asset_url, asset_cache_path)
return asset_cache_path
def _find_python_executable(extracted_dir: Path) -> Path:
"""Finds the python executable within the extracted directory structure."""
# Structure is typically 'python/bin/python' or 'python/python.exe'
base_install_dir = extracted_dir / "python"
if platform.system() == "Windows":
executable_path = base_install_dir / "python.exe"
else:
executable_path = base_install_dir / "bin" / "python"
if not executable_path.is_file():
msg = f"Could not locate python executable at expected path {executable_path} within {extracted_dir}."
raise PythonBuildStandaloneError(msg)
print(f"Found python executable: {executable_path}")
return executable_path.resolve() # Return absolute path
def create_python_build_standalone_environment(
python_version: str, temp_dir: Path, cache_dir: Path
) -> Path:
"""
Returns a Python environment from python-build-standalone, downloading it
if necessary using a cache, and expanding it into a fresh base path.
Args:
python_version: The Python version string (e.g., "3.12").
temp_dir: A directory where the Python environment will be created.
cache_dir: A directory to store/retrieve downloaded archives.
Returns:
The absolute path to the python executable within the created environment (in temp_dir).
Raises:
PythonBuildStandaloneError: If the platform is unsupported, the build cannot be found,
download/extraction fails, or configuration is invalid.
"""
print(f"Creating python-build-standalone environment: version={python_version}")
arch_id, platform_id, libc_id = _get_platform_identifiers()
pbs_tag, asset_url, asset_filename = _get_pbs_asset(
python_version=python_version,
arch_identifier=arch_id,
platform_identifier=platform_id,
libc_identifier=libc_id,
)
print(f"Using python-build-standalone release: {pbs_tag}")
archive_path = _download_or_get_from_cache(
asset_url=asset_url, asset_filename=asset_filename, cache_dir=cache_dir
)
python_base_dir = temp_dir / "pbs"
assert not python_base_dir.exists()
extract_tar(archive_path, python_base_dir)
return _find_python_executable(python_base_dir)
+1
View File
@@ -16,6 +16,7 @@ BUILD_PLATFORMS: Final[Path] = PATH / "build-platforms.toml"
CONSTRAINTS: Final[Path] = PATH / "constraints.txt"
VIRTUALENV: Final[Path] = PATH / "virtualenv.toml"
CIBUILDWHEEL_SCHEMA: Final[Path] = PATH / "cibuildwheel.schema.json"
PYTHON_BUILD_STANDALONE_RELEASES: Final[Path] = PATH / "python-build-standalone-releases.json"
# this value is cached because it's used a lot in unit tests