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03cefa35abee69d17de021252f17edb9b8f656d6
cibuildwheel/test/utils.py
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Hood Chathamandpre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> 03cefa35ab feat: add pyodide_315 support (#2958) 
* Add pyodide_315 support

Guarded by cpython_prerelease for the moment.

* Update

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

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

* Update constraints to pyodide-build 0.39.0

* Update to 315.0.0a2

* Remove example versions

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2026-08-04 17:41:22 -04:00

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"""
Utility functions used by the cibuildwheel tests.
This file is added to the PYTHONPATH in the test runner at bin/run_test.py.
"""
from __future__ import annotations
import os
import platform as pm
import subprocess
import sys
from pathlib import Path
from tempfile import TemporaryDirectory
from typing import Final
import pytest
from cibuildwheel.architecture import Architecture
from cibuildwheel.ci import CIProvider, detect_ci_provider
from cibuildwheel.selector import EnableGroup
from cibuildwheel.util.file import CIBW_CACHE_PATH
TYPE_CHECKING = False
if TYPE_CHECKING:
from collections.abc import Generator, Mapping, Sequence
EMULATED_ARCHS: Final[list[str]] = sorted(
arch.value for arch in (Architecture.all_archs("linux") - Architecture.auto_archs("linux"))
)
PYPY_ARCHS = ["x86_64", "i686", "AMD64", "aarch64", "arm64"]
GRAALPY_ARCHS = ["x86_64", "AMD64", "aarch64", "arm64"]
SINGLE_PYTHON_VERSION: Final[tuple[int, int]] = (3, 14)
# temporary workaround: set by build_frontend_env fixture to skip graalpy
# when uv is the build frontend (compatibility issue between graalpy and uv)
include_graalpy_in_expected_wheels: bool = True
_AARCH64_CAN_RUN_ARMV7: Final[bool] = Architecture.aarch64.value not in EMULATED_ARCHS and {
None: Architecture.armv7l.value not in EMULATED_ARCHS,
CIProvider.travis_ci: False,
}.get(detect_ci_provider(), True)
def get_platform() -> str:
"""Return the current platform as determined by CIBW_PLATFORM or sys.platform."""
platform = os.environ.get("CIBW_PLATFORM", "")
if platform:
return platform
elif sys.platform.startswith("linux"):
return "linux"
elif sys.platform.startswith("darwin"):
return "macos"
elif sys.platform.startswith(("win32", "cygwin")):
return "windows"
else:
msg = f"Unsupported platform {sys.platform!r}"
raise Exception(msg)
DEFAULT_CIBW_ENABLE = "cpython-prerelease"
def get_enable_groups() -> frozenset[EnableGroup]:
value = os.environ.get("CIBW_ENABLE", DEFAULT_CIBW_ENABLE)
return EnableGroup.parse_option_value(value)
def cibuildwheel_get_build_identifiers(
project_path: Path,
env: dict[str, str] | None = None,
) -> list[str]:
"""
Returns the list of build identifiers that cibuildwheel will try to build
for the current platform.
"""
cmd = [sys.executable, "-m", "cibuildwheel", "--print-build-identifiers", str(project_path)]
if env is None:
env = os.environ.copy()
cmd_output = subprocess.run(
cmd,
text=True,
env=env,
check=True,
stdout=subprocess.PIPE,
).stdout
return cmd_output.strip().split("\n")
def _update_pip_cache_dir(env: dict[str, str]) -> None:
# Fix for pip concurrency bug https://github.com/pypa/pip/issues/11340
# See https://github.com/pypa/cibuildwheel/issues/1254 for discussion.
if get_platform() == "linux":
return
if "PIP_CACHE_DIR" in env:
return
worker_id = os.environ.get("PYTEST_XDIST_WORKER")
if worker_id is None or worker_id == "gw0":
return
pip_cache_dir = CIBW_CACHE_PATH / "test_cache" / f"pip_cache_dir_{worker_id}"
env["PIP_CACHE_DIR"] = str(pip_cache_dir)
def cibuildwheel_run(
project_path: str | Path,
package_dir: str | Path = ".",
env: dict[str, str] | None = None,
add_env: Mapping[str, str] | None = None,
output_dir: Path | None = None,
add_args: Sequence[str] | None = None,
single_python: bool = False,
) -> list[str]:
"""
Runs cibuildwheel as a subprocess, building the project at project_path.
Uses the current Python interpreter.
:param project_path: path of the project to be built.
:param package_dir: path of the package to be built. Can be absolute, or
relative to project_path.
:param env: full environment to be used, os.environ if None
:param add_env: environment used to update env
:param output_dir: directory where wheels are saved. If None, a temporary
directory will be used for the duration of the command.
:param add_args: Additional command-line arguments to pass to cibuildwheel.
:return: list of built wheels (file names).
"""
if env is None:
env = os.environ.copy()
# If present in the host environment, remove the MACOSX_DEPLOYMENT_TARGET for consistency
env.pop("MACOSX_DEPLOYMENT_TARGET", None)
if add_args is None:
add_args = []
if add_env is not None:
env.update(add_env)
_update_pip_cache_dir(env)
if single_python:
env["CIBW_BUILD"] = "cp{}{}-*".format(*SINGLE_PYTHON_VERSION)
with TemporaryDirectory() as tmp_output_dir:
subprocess.run(
[
sys.executable,
"-m",
"cibuildwheel",
"--output-dir",
str(output_dir or tmp_output_dir),
str(package_dir),
*add_args,
],
env=env,
cwd=project_path,
check=True,
)
wheels = sorted(p.name for p in (output_dir or Path(tmp_output_dir)).iterdir())
return wheels
def _floor_macosx(*args: str) -> str:
"""
Make sure a deployment target is not less than some value.
"""
return max(args, key=lambda x: tuple(map(int, x.split("."))))
def expected_wheels(
package_name: str,
package_version: str,
manylinux_versions: list[str] | None = None,
musllinux_versions: list[str] | None = None,
macosx_deployment_target: str | None = None,
iphoneos_deployment_target: str | None = None,
android_api_level: int | None = None,
machine_arch: str | None = None,
platform: str | None = None,
python_abi_tags: list[str] | None = None,
include_universal2: bool = False,
single_python: bool = False,
single_arch: bool = False,
full_auto: bool = False,
) -> list[str]:
"""
Returns the expected wheels from a run of cibuildwheel.
"""
platform = platform or get_platform()
if machine_arch is None:
machine_arch = pm.machine()
if platform == "linux":
machine_arch = arch_name_for_linux(machine_arch)
if macosx_deployment_target is None:
macosx_deployment_target = os.environ.get("MACOSX_DEPLOYMENT_TARGET", "10.9")
if iphoneos_deployment_target is None:
iphoneos_deployment_target = os.environ.get("IPHONEOS_DEPLOYMENT_TARGET", "13.0")
if android_api_level is None:
android_api_level = int(os.environ.get("ANDROID_API_LEVEL", "24"))
architectures = [machine_arch]
if not single_arch:
if platform == "linux" and full_auto:
if machine_arch == "x86_64":
architectures.append("i686")
elif (
machine_arch == "aarch64"
and sys.platform.startswith("linux")
and _AARCH64_CAN_RUN_ARMV7
):
architectures.append("armv7l")
elif platform == "windows" and machine_arch == "AMD64":
architectures.append("x86")
return [
wheel
for architecture in architectures
for wheel in _expected_wheels(
package_name=package_name,
package_version=package_version,
machine_arch=architecture,
manylinux_versions=manylinux_versions,
musllinux_versions=musllinux_versions,
macosx_deployment_target=macosx_deployment_target,
iphoneos_deployment_target=iphoneos_deployment_target,
android_api_level=android_api_level,
platform=platform,
python_abi_tags=python_abi_tags,
include_universal2=include_universal2,
single_python=single_python,
)
]
def _expected_wheels(
package_name: str,
package_version: str,
machine_arch: str,
manylinux_versions: list[str] | None,
musllinux_versions: list[str] | None,
macosx_deployment_target: str,
iphoneos_deployment_target: str,
android_api_level: int,
platform: str,
python_abi_tags: list[str] | None,
include_universal2: bool,
single_python: bool,
) -> Generator[str, None, None]:
"""
Returns a list of expected wheels from a run of cibuildwheel.
"""
# per PEP 425 (https://www.python.org/dev/peps/pep-0425/), wheel files shall have name of the form
# {distribution}-{version}(-{build tag})?-{python tag}-{abi tag}-{platform tag}.whl
# {python tag} and {abi tag} are closely related to the python interpreter used to build the wheel
# so we'll merge them below as python_abi_tag
enable_groups = EnableGroup.parse_option_value(os.environ.get("CIBW_ENABLE", ""))
if manylinux_versions is None:
manylinux_versions = {
"armv7l": ["manylinux2014", "manylinux_2_17", "manylinux_2_31"],
"i686": ["manylinux1", "manylinux_2_28", "manylinux_2_5"],
"x86_64": ["manylinux1", "manylinux_2_28", "manylinux_2_5"],
"riscv64": ["manylinux_2_31", "manylinux_2_39"],
}.get(machine_arch, ["manylinux2014", "manylinux_2_17", "manylinux_2_28"])
if musllinux_versions is None:
musllinux_versions = ["musllinux_1_2"]
enable_groups = get_enable_groups()
# To be kept in sync with Python versions for Pyodide identifiers in cibuildwheel/selector.py.
if platform == "pyodide" and python_abi_tags is None:
python_abi_tags = ["cp313-cp313", "cp314-cp314"]
if EnableGroup.PyodideEoL in enable_groups:
python_abi_tags.insert(0, "cp312-cp312")
if EnableGroup.CPythonPrerelease in enable_groups:
python_abi_tags.append("cp315-cp315")
elif (platform == "android" and python_abi_tags is None) or (
platform == "ios" and python_abi_tags is None
):
python_abi_tags = [
"cp313-cp313",
"cp314-cp314",
]
if EnableGroup.CPythonPrerelease in enable_groups:
python_abi_tags += ["cp315-cp315"]
elif python_abi_tags is None:
python_abi_tags = [
"cp39-cp39",
"cp310-cp310",
"cp311-cp311",
"cp312-cp312",
"cp313-cp313",
"cp314-cp314",
"cp314-cp314t",
]
if EnableGroup.CPythonPrerelease in enable_groups:
python_abi_tags += [
"cp315-cp315",
"cp315-cp315t",
]
if EnableGroup.PyPyEoL in enable_groups:
python_abi_tags += [
"pp39-pypy39_pp73",
"pp310-pypy310_pp73",
]
if EnableGroup.PyPy in enable_groups:
python_abi_tags += [
"pp311-pypy311_pp73",
]
if EnableGroup.GraalPy in enable_groups and include_graalpy_in_expected_wheels:
python_abi_tags += [
"graalpy312-graalpy250_312_native",
]
if machine_arch not in PYPY_ARCHS:
python_abi_tags = [tag for tag in python_abi_tags if not tag.startswith("pp")]
if machine_arch not in GRAALPY_ARCHS:
python_abi_tags = [tag for tag in python_abi_tags if not tag.startswith("graalpy")]
if single_python:
python_tag = "cp{}{}-".format(*SINGLE_PYTHON_VERSION)
python_abi_tags = [
next(
tag
for tag in python_abi_tags
if tag.startswith(python_tag) and not tag.endswith("t")
)
]
for python_abi_tag in python_abi_tags:
platform_tags = []
if platform == "linux":
if len(manylinux_versions) > 0:
platform_tags = [
".".join(
f"{manylinux_version}_{machine_arch}"
for manylinux_version in manylinux_versions
)
]
if len(musllinux_versions) > 0 and not python_abi_tag.startswith(("pp", "graalpy")):
platform_tags.append(
".".join(
f"{musllinux_version}_{machine_arch}"
for musllinux_version in musllinux_versions
)
)
elif platform == "windows":
platform_tags = {
"AMD64": ["win_amd64"],
"ARM64": ["win_arm64"],
"x86": ["win32"],
}.get(machine_arch, [])
elif platform == "macos":
if python_abi_tag.startswith("pp"):
min_macosx = _floor_macosx(macosx_deployment_target, "10.15")
elif python_abi_tag.startswith("cp"):
if python_abi_tag.startswith(("cp39", "cp310", "cp311")):
min_macosx = macosx_deployment_target
elif python_abi_tag.startswith(("cp312", "cp313")):
min_macosx = _floor_macosx(macosx_deployment_target, "10.13")
else:
min_macosx = _floor_macosx(macosx_deployment_target, "10.15")
elif python_abi_tag.startswith("graalpy"):
min_macosx = _floor_macosx(macosx_deployment_target, "10.13")
else:
min_macosx = macosx_deployment_target
if machine_arch == "arm64":
arm64_macosx = _floor_macosx(min_macosx, "11.0")
platform_tags = [f"macosx_{arm64_macosx.replace('.', '_')}_arm64"]
else:
platform_tags = [f"macosx_{min_macosx.replace('.', '_')}_x86_64"]
if include_universal2:
platform_tags.append(f"macosx_{min_macosx.replace('.', '_')}_universal2")
elif platform == "android":
platform_tags = [f"android_{android_api_level}_{machine_arch}"]
elif platform == "ios":
if machine_arch == "x86_64":
platform_tags = [
f"ios_{iphoneos_deployment_target.replace('.', '_')}_x86_64_iphonesimulator"
]
elif machine_arch == "arm64":
platform_tags = [
f"ios_{iphoneos_deployment_target.replace('.', '_')}_arm64_iphoneos",
f"ios_{iphoneos_deployment_target.replace('.', '_')}_arm64_iphonesimulator",
]
else:
msg = f"Unsupported architecture {machine_arch!r} for iOS"
raise Exception(msg)
elif platform == "pyodide":
platform_tags = {
"cp312-cp312": ["pyodide_2024_0_wasm32"],
"cp313-cp313": ["pyemscripten_2025_0_wasm32"],
"cp314-cp314": ["pyemscripten_2026_0_wasm32"],
"cp315-cp315": ["pyemscripten_2026_5_wasm32"],
}.get(python_abi_tag, [])
if not platform_tags:
# for example if the python tag is `none` or `abi3`, the wheel
# is built by the latest stable cp314 Python version
platform_tags = ["pyemscripten_2026_0_wasm32"]
else:
msg = f"Unsupported platform {platform!r}"
raise Exception(msg)
for platform_tag in platform_tags:
yield f"{package_name}-{package_version}-{python_abi_tag}-{platform_tag}.whl"
def get_macos_version() -> tuple[int, int]:
"""
Returns the macOS major/minor version, as a tuple, e.g. (10, 15) or (11, 0)
These tuples can be used in comparisons, e.g.
(10, 14) <= (11, 0) == True
(11, 2) <= (11, 0) != True
"""
version_str, _, _ = pm.mac_ver()
return tuple(map(int, version_str.split(".")[:2])) # type: ignore[return-value]
def get_xcode_version() -> tuple[int, int]:
"""Calls `xcodebuild -version` to retrieve the Xcode version as a 2-tuple."""
output = subprocess.run(
["xcodebuild", "-version"],
text=True,
check=True,
stdout=subprocess.PIPE,
).stdout
lines = output.splitlines()
_, version_str = lines[0].split()
version_parts = version_str.split(".")
return (int(version_parts[0]), int(version_parts[1]))
def skip_if_pyodide(reason: str) -> pytest.MarkDecorator:
return pytest.mark.skipif(get_platform() == "pyodide", reason=reason)
def invoke_pytest() -> str:
# see https://github.com/pyodide/pyodide/issues/4802
if get_platform() == "pyodide":
return "python -m pytest"
return "pytest"
def arch_name_for_linux(arch: str) -> str:
"""
Archs have different names on different platforms, but it's useful to be
able to run linux tests on dev machines. This function translates between
the different names.
"""
if arch == "arm64":
return "aarch64"
return arch
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