310 lines
15 KiB
Python
310 lines
15 KiB
Python
import os
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import shlex
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import shutil
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import subprocess
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import sys
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import tempfile
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from os import PathLike
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from pathlib import Path
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from typing import Dict, List, NamedTuple, Optional, Sequence, Union
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from .environment import ParsedEnvironment
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from .logger import log
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from .util import (BuildOptions, BuildSelector, NonPlatformWheelError,
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download, get_build_verbosity_extra_flags, get_pip_script,
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install_certifi_script, prepare_command)
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def call(args: Union[str, Sequence[Union[str, PathLike]]], env: Optional[Dict[str, str]] = None, cwd: Optional[str] = None, shell: bool = False) -> int:
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# print the command executing for the logs
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if shell:
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print(f'+ {args}')
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else:
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print('+ ' + ' '.join(shlex.quote(str(a)) for a in args))
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return subprocess.check_call(args, env=env, cwd=cwd, shell=shell)
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class PythonConfiguration(NamedTuple):
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version: str
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identifier: str
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url: str
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def get_python_configurations(build_selector: BuildSelector) -> List[PythonConfiguration]:
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python_configurations = [
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# CPython
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PythonConfiguration(version='2.7', identifier='cp27-macosx_x86_64', url='https://www.python.org/ftp/python/2.7.18/python-2.7.18-macosx10.9.pkg'),
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# TODO: figure out what's going on in CPython 3.5 on macOS 11. or, remove it :)
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# PythonConfiguration(version='3.5', identifier='cp35-macosx_x86_64', url='https://www.python.org/ftp/python/3.5.4/python-3.5.4-macosx10.6.pkg'),
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PythonConfiguration(version='3.6', identifier='cp36-macosx_x86_64', url='https://www.python.org/ftp/python/3.6.8/python-3.6.8-macosx10.9.pkg'),
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PythonConfiguration(version='3.7', identifier='cp37-macosx_x86_64', url='https://www.python.org/ftp/python/3.7.8/python-3.7.8-macosx10.9.pkg'),
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PythonConfiguration(version='3.8', identifier='cp38-macosx_x86_64', url='https://www.python.org/ftp/python/3.8.4/python-3.8.4-macosx10.9.pkg'),
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# TODO: Find some better way to select Universal2 vs. regular (note that this works on 10.9+, regardless of the name)
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PythonConfiguration(version='3.9', identifier='cp39-macosx_x86_64', url='https://www.python.org/ftp/python/3.9.1/python-3.9.1-macos11.0.pkg'),
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PythonConfiguration(version='3.9', identifier='cp39-macosx_universal2', url='https://www.python.org/ftp/python/3.9.1/python-3.9.1-macos11.0.pkg'),
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PythonConfiguration(version='3.9', identifier='cp39-macosx_arm64', url='https://www.python.org/ftp/python/3.9.1/python-3.9.1-macos11.0.pkg'),
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# PyPy
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# TODO: may not support 11.0 yet
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# PythonConfiguration(version='2.7', identifier='pp27-macosx_x86_64', url='https://downloads.python.org/pypy/pypy2.7-v7.3.3-osx64.tar.bz2'),
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PythonConfiguration(version='3.6', identifier='pp36-macosx_x86_64', url='https://downloads.python.org/pypy/pypy3.6-v7.3.3-osx64.tar.bz2'),
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PythonConfiguration(version='3.7', identifier='pp37-macosx_x86_64', url='https://downloads.python.org/pypy/pypy3.7-v7.3.3-osx64.tar.bz2'),
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]
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# skip builds as required
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return [c for c in python_configurations if build_selector(c.identifier)]
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SYMLINKS_DIR = Path('/tmp/cibw_bin')
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def make_symlinks(installation_bin_path: Path, python_executable: str, pip_executable: str) -> None:
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assert (installation_bin_path / python_executable).exists()
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# Python bin folders on Mac don't symlink `python3` to `python`, and neither
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# does PyPy for `pypy` or `pypy3`, so we do that so `python` and `pip` always
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# point to the active configuration.
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if SYMLINKS_DIR.exists():
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shutil.rmtree(SYMLINKS_DIR)
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SYMLINKS_DIR.mkdir(parents=True)
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(SYMLINKS_DIR / 'python').symlink_to(installation_bin_path / python_executable)
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(SYMLINKS_DIR / 'python-config').symlink_to(installation_bin_path / (python_executable + '-config'))
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(SYMLINKS_DIR / 'pip').symlink_to(installation_bin_path / pip_executable)
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def install_cpython(version: str, url: str) -> Path:
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installed_system_packages = subprocess.check_output(['pkgutil', '--pkgs'], universal_newlines=True).splitlines()
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# if this version of python isn't installed, get it from python.org and install
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python_package_identifier = f'org.python.Python.PythonFramework-{version}'
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python_executable = 'python3' if version[0] == '3' else 'python'
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installation_bin_path = Path(f'/Library/Frameworks/Python.framework/Versions/{version}/bin')
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if python_package_identifier not in installed_system_packages:
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# download the pkg
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download(url, Path('/tmp/Python.pkg'))
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# install
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call(['sudo', 'installer', '-pkg', '/tmp/Python.pkg', '-target', '/'])
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# patch open ssl
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if version == '3.5':
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open_ssl_patch_url = f'https://github.com/mayeut/patch-macos-python-openssl/releases/download/v1.1.1h/patch-macos-python-{version}-openssl-v1.1.1h.tar.gz'
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download(open_ssl_patch_url, Path('/tmp/python-patch.tar.gz'))
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call(['sudo', 'tar', '-C', f'/Library/Frameworks/Python.framework/Versions/{version}/', '-xmf', '/tmp/python-patch.tar.gz'])
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call(["sudo", str(installation_bin_path/python_executable), str(install_certifi_script)])
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pip_executable = 'pip3' if version[0] == '3' else 'pip'
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make_symlinks(installation_bin_path, python_executable, pip_executable)
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return installation_bin_path
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def install_pypy(version: str, url: str) -> Path:
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pypy_tar_bz2 = url.rsplit('/', 1)[-1]
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extension = ".tar.bz2"
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assert pypy_tar_bz2.endswith(extension)
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pypy_base_filename = pypy_tar_bz2[:-len(extension)]
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installation_path = Path('/tmp') / pypy_base_filename
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if not installation_path.exists():
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downloaded_tar_bz2 = Path("/tmp") / pypy_tar_bz2
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download(url, downloaded_tar_bz2)
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call(['tar', '-C', '/tmp', '-xf', downloaded_tar_bz2])
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installation_bin_path = installation_path / 'bin'
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python_executable = 'pypy3' if version[0] == '3' else 'pypy'
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pip_executable = 'pip3' if version[0] == '3' else 'pip'
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make_symlinks(installation_bin_path, python_executable, pip_executable)
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return installation_bin_path
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def setup_python(python_configuration: PythonConfiguration,
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dependency_constraint_flags: Sequence[Union[str, PathLike]],
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environment: ParsedEnvironment) -> Dict[str, str]:
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implementation_id = python_configuration.identifier.split("-")[0]
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log.step(f'Installing Python {implementation_id}...')
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if implementation_id.startswith('cp'):
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installation_bin_path = install_cpython(python_configuration.version, python_configuration.url)
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elif implementation_id.startswith('pp'):
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installation_bin_path = install_pypy(python_configuration.version, python_configuration.url)
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else:
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raise ValueError("Unknown Python implementation")
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log.step('Setting up build environment...')
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env = os.environ.copy()
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env['PATH'] = os.pathsep.join([
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str(SYMLINKS_DIR),
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str(installation_bin_path),
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env['PATH'],
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])
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# Fix issue with site.py setting the wrong `sys.prefix`, `sys.exec_prefix`,
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# `sys.path`, ... for PyPy: https://foss.heptapod.net/pypy/pypy/issues/3175
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# Also fix an issue with the shebang of installed scripts inside the
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# testing virtualenv- see https://github.com/theacodes/nox/issues/44 and
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# https://github.com/pypa/virtualenv/issues/620
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# Also see https://github.com/python/cpython/pull/9516
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env.pop('__PYVENV_LAUNCHER__', None)
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env = environment.as_dictionary(prev_environment=env)
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# check what version we're on
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call(['which', 'python'], env=env)
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call(['python', '--version'], env=env)
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which_python = subprocess.check_output(['which', 'python'], env=env, universal_newlines=True).strip()
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if which_python != '/tmp/cibw_bin/python':
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print("cibuildwheel: python available on PATH doesn't match our installed instance. If you have modified PATH, ensure that you don't overwrite cibuildwheel's entry or insert python above it.", file=sys.stderr)
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exit(1)
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# install pip & wheel
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call(['python', get_pip_script, *dependency_constraint_flags], env=env, cwd="/tmp")
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assert (installation_bin_path / 'pip').exists()
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call(['which', 'pip'], env=env)
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call(['pip', '--version'], env=env)
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which_pip = subprocess.check_output(['which', 'pip'], env=env, universal_newlines=True).strip()
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if which_pip != '/tmp/cibw_bin/pip':
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print("cibuildwheel: pip available on PATH doesn't match our installed instance. If you have modified PATH, ensure that you don't overwrite cibuildwheel's entry or insert pip above it.", file=sys.stderr)
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exit(1)
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# Set MACOSX_DEPLOYMENT_TARGET to 10.9, if the user didn't set it.
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# CPython 3.5 defaults to 10.6, and pypy defaults to 10.7, causing
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# inconsistencies if it's left unset.
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env.setdefault('MACOSX_DEPLOYMENT_TARGET', '10.9')
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if python_configuration.version == '3.5':
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# Cross-compilation platform override - CPython 3.5 has an
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# i386/x86_64 version of Python, but we only want a x64_64 build
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env.setdefault('_PYTHON_HOST_PLATFORM', 'macosx-10.9-x86_64')
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# https://github.com/python/cpython/blob/a5ed2fe0eedefa1649aa93ee74a0bafc8e628a10/Lib/_osx_support.py#L260
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env.setdefault('ARCHFLAGS', '-arch x86_64')
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if python_configuration.version == '3.9':
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if python_configuration.identifier.endswith('x86_64'):
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env.setdefault('_PYTHON_HOST_PLATFORM', 'macosx-10.9-x86_64')
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env.setdefault('ARCHFLAGS', '-arch x86_64')
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elif python_configuration.identifier.endswith('arm64'):
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env.setdefault('_PYTHON_HOST_PLATFORM', 'macosx-11.0-arm64')
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env.setdefault('ARCHFLAGS', '-arch arm64')
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log.step('Installing build tools...')
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call(['pip', 'install', '--upgrade', 'setuptools', 'wheel', 'delocate', *dependency_constraint_flags], env=env)
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return env
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def build(options: BuildOptions) -> None:
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temp_dir = Path(tempfile.mkdtemp(prefix='cibuildwheel'))
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built_wheel_dir = temp_dir / 'built_wheel'
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repaired_wheel_dir = temp_dir / 'repaired_wheel'
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try:
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if options.before_all:
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log.step('Running before_all...')
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env = options.environment.as_dictionary(prev_environment=os.environ)
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before_all_prepared = prepare_command(options.before_all, project='.', package=options.package_dir)
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call([before_all_prepared], shell=True, env=env)
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python_configurations = get_python_configurations(options.build_selector)
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for config in python_configurations:
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log.build_start(config.identifier)
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dependency_constraint_flags: Sequence[Union[str, PathLike]] = []
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if options.dependency_constraints:
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dependency_constraint_flags = [
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'-c', options.dependency_constraints.get_for_python_version(config.version)
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]
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env = setup_python(config, dependency_constraint_flags, options.environment)
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if options.before_build:
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log.step('Running before_build...')
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before_build_prepared = prepare_command(options.before_build, project='.', package=options.package_dir)
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call(before_build_prepared, env=env, shell=True)
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log.step('Building wheel...')
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if built_wheel_dir.exists():
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shutil.rmtree(built_wheel_dir)
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built_wheel_dir.mkdir(parents=True)
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# Path.resolve() is needed. Without it pip wheel may try to fetch package from pypi.org
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# see https://github.com/joerick/cibuildwheel/pull/369
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call([
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'pip', 'wheel',
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options.package_dir.resolve(),
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'-w', built_wheel_dir,
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'--no-deps',
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*get_build_verbosity_extra_flags(options.build_verbosity)
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], env=env)
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built_wheel = next(built_wheel_dir.glob('*.whl'))
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if repaired_wheel_dir.exists():
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shutil.rmtree(repaired_wheel_dir)
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repaired_wheel_dir.mkdir(parents=True)
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if built_wheel.name.endswith('none-any.whl'):
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raise NonPlatformWheelError()
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if options.repair_command:
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log.step('Repairing wheel...')
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repair_command_prepared = prepare_command(options.repair_command, wheel=built_wheel, dest_dir=repaired_wheel_dir)
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call(repair_command_prepared, env=env, shell=True)
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else:
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shutil.move(str(built_wheel), repaired_wheel_dir)
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repaired_wheel = next(repaired_wheel_dir.glob('*.whl'))
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if options.test_command:
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log.step('Testing wheel...')
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# set up a virtual environment to install and test from, to make sure
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# there are no dependencies that were pulled in at build time.
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call(['pip', 'install', 'virtualenv', *dependency_constraint_flags], env=env)
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venv_dir = Path(tempfile.mkdtemp())
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# Use --no-download to ensure determinism by using seed libraries
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# built into virtualenv
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call(['python', '-m', 'virtualenv', '--no-download', venv_dir], env=env)
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virtualenv_env = env.copy()
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virtualenv_env['PATH'] = os.pathsep.join([
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str(venv_dir / 'bin'),
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virtualenv_env['PATH'],
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])
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# check that we are using the Python from the virtual environment
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call(['which', 'python'], env=virtualenv_env)
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if options.before_test:
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before_test_prepared = prepare_command(options.before_test, project='.', package=options.package_dir)
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call(before_test_prepared, env=virtualenv_env, shell=True)
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# install the wheel
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call(['pip', 'install', str(repaired_wheel) + options.test_extras], env=virtualenv_env)
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# test the wheel
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if options.test_requires:
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call(['pip', 'install'] + options.test_requires, env=virtualenv_env)
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# run the tests from $HOME, with an absolute path in the command
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# (this ensures that Python runs the tests against the installed wheel
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# and not the repo code)
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test_command_prepared = prepare_command(
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options.test_command,
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project=Path('.').resolve(),
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package=options.package_dir.resolve()
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)
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call(test_command_prepared, cwd=os.environ['HOME'], env=virtualenv_env, shell=True)
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# clean up
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shutil.rmtree(venv_dir)
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# we're all done here; move it to output (overwrite existing)
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shutil.move(str(repaired_wheel), options.output_dir)
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log.build_end()
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except subprocess.CalledProcessError as error:
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log.error(f'Command {error.cmd} failed with code {error.returncode}. {error.stdout}')
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exit(1)
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