Files
cibuildwheel/cibuildwheel/linux.py
T

294 lines
15 KiB
Python

import os
import platform
import shlex
import subprocess
import sys
import textwrap
import uuid
from collections import namedtuple
from .util import (
get_build_verbosity_extra_flags,
prepare_command,
)
def call(args, input=None, universal_newlines=False):
print('+ ' + ' '.join(shlex.quote(a) for a in args))
subprocess.run(
args, input=input, universal_newlines=universal_newlines, check=True
)
def matches_platform(identifier):
pm = platform.machine()
if pm == "x86_64":
# x86_64 machines can run i686 docker containers
if identifier.endswith('x86_64') or identifier.endswith('i686'):
return True
elif pm == "i686":
if identifier.endswith('i686'):
return True
elif pm == "aarch64":
if identifier.endswith('aarch64'):
return True
elif pm == "ppc64le":
if identifier.endswith('ppc64le'):
return True
elif pm == "s390x":
if identifier.endswith('s390x'):
return True
return False
def get_python_configurations(build_selector):
PythonConfiguration = namedtuple('PythonConfiguration', ['version', 'identifier', 'path'])
python_configurations = [
PythonConfiguration(version='2.7', identifier='cp27-manylinux_x86_64', path='/opt/python/cp27-cp27m'),
PythonConfiguration(version='2.7', identifier='cp27-manylinux_x86_64', path='/opt/python/cp27-cp27mu'),
PythonConfiguration(version='3.5', identifier='cp35-manylinux_x86_64', path='/opt/python/cp35-cp35m'),
PythonConfiguration(version='3.6', identifier='cp36-manylinux_x86_64', path='/opt/python/cp36-cp36m'),
PythonConfiguration(version='3.7', identifier='cp37-manylinux_x86_64', path='/opt/python/cp37-cp37m'),
PythonConfiguration(version='3.8', identifier='cp38-manylinux_x86_64', path='/opt/python/cp38-cp38'),
PythonConfiguration(version='2.7', identifier='cp27-manylinux_i686', path='/opt/python/cp27-cp27m'),
PythonConfiguration(version='2.7', identifier='cp27-manylinux_i686', path='/opt/python/cp27-cp27mu'),
PythonConfiguration(version='3.5', identifier='cp35-manylinux_i686', path='/opt/python/cp35-cp35m'),
PythonConfiguration(version='3.6', identifier='cp36-manylinux_i686', path='/opt/python/cp36-cp36m'),
PythonConfiguration(version='3.7', identifier='cp37-manylinux_i686', path='/opt/python/cp37-cp37m'),
PythonConfiguration(version='3.8', identifier='cp38-manylinux_i686', path='/opt/python/cp38-cp38'),
PythonConfiguration(version='2.7', identifier='pp27-manylinux_x86_64', path='/opt/python/pp27-pypy_73'),
PythonConfiguration(version='3.6', identifier='pp36-manylinux_x86_64', path='/opt/python/pp36-pypy36_pp73'),
PythonConfiguration(version='3.5', identifier='cp35-manylinux_aarch64', path='/opt/python/cp35-cp35m'),
PythonConfiguration(version='3.6', identifier='cp36-manylinux_aarch64', path='/opt/python/cp36-cp36m'),
PythonConfiguration(version='3.7', identifier='cp37-manylinux_aarch64', path='/opt/python/cp37-cp37m'),
PythonConfiguration(version='3.8', identifier='cp38-manylinux_aarch64', path='/opt/python/cp38-cp38'),
PythonConfiguration(version='3.5', identifier='cp35-manylinux_ppc64le', path='/opt/python/cp35-cp35m'),
PythonConfiguration(version='3.6', identifier='cp36-manylinux_ppc64le', path='/opt/python/cp36-cp36m'),
PythonConfiguration(version='3.7', identifier='cp37-manylinux_ppc64le', path='/opt/python/cp37-cp37m'),
PythonConfiguration(version='3.8', identifier='cp38-manylinux_ppc64le', path='/opt/python/cp38-cp38'),
PythonConfiguration(version='3.5', identifier='cp35-manylinux_s390x', path='/opt/python/cp35-cp35m'),
PythonConfiguration(version='3.6', identifier='cp36-manylinux_s390x', path='/opt/python/cp36-cp36m'),
PythonConfiguration(version='3.7', identifier='cp37-manylinux_s390x', path='/opt/python/cp37-cp37m'),
PythonConfiguration(version='3.8', identifier='cp38-manylinux_s390x', path='/opt/python/cp38-cp38'),
]
# skip builds as required
return [c for c in python_configurations if matches_platform(c.identifier) and build_selector(c.identifier)]
def build(project_dir, output_dir, test_command, before_test, test_requires, test_extras, before_build, build_verbosity, build_selector, repair_command, environment, manylinux_images, dependency_constraints):
try:
subprocess.check_call(['docker', '--version'])
except Exception:
print('cibuildwheel: Docker not found. Docker is required to run Linux builds. '
'If you\'re building on Travis CI, add `services: [docker]` to your .travis.yml.'
'If you\'re building on Circle CI in Linux, add a `setup_remote_docker` step to your .circleci/config.yml',
file=sys.stderr)
exit(2)
python_configurations = get_python_configurations(build_selector)
platforms = [
('cp', 'manylinux_x86_64', manylinux_images['x86_64']),
('cp', 'manylinux_i686', manylinux_images['i686']),
('cp', 'manylinux_aarch64', manylinux_images['aarch64']),
('cp', 'manylinux_ppc64le', manylinux_images['ppc64le']),
('cp', 'manylinux_s390x', manylinux_images['s390x']),
('pp', 'manylinux_x86_64', manylinux_images['pypy_x86_64']),
]
for implementation, platform_tag, docker_image in platforms:
platform_configs = [c for c in python_configurations if c.identifier.startswith(implementation) and c.identifier.endswith(platform_tag)]
if not platform_configs:
continue
container_name = 'cibuildwheel-{}'.format(uuid.uuid4())
try:
call(['docker', 'create',
'--env', 'CIBUILDWHEEL',
'--name', container_name,
'-i',
'-v', '/:/host', # ignored on CircleCI
docker_image,
'/bin/bash'])
call(['docker', 'cp',
os.path.abspath(project_dir) + '/.',
container_name + ':/project'])
call(['docker', 'start', container_name])
for config in platform_configs:
if dependency_constraints:
constraints_file = dependency_constraints.get_for_python_version(config.version)
# `docker cp` causes 'no space left on device' error when
# a container is running and the host filesystem is
# mounted. https://github.com/moby/moby/issues/38995
# Use `docker exec` instead.
with open(constraints_file, 'rb') as f:
call(
['docker', 'exec', '-i', container_name, 'sh', '-c', 'cat > /constraints.txt'],
input=f.read(),
)
call(
['docker', 'exec', '-i', container_name, '/bin/bash'],
universal_newlines=True,
input='''
# give xtrace output an extra level of indent inside docker
PS4=' + '
set -o errexit
set -o xtrace
mkdir -p /output
cd /project
PYBIN="{config_python_bin}"
export PATH="$PYBIN:$PATH"
{environment_exports}
# check the active python and pip are in PYBIN
if [ "$(which pip)" != "$PYBIN/pip" ]; then
echo "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."
exit 1
fi
if [ "$(which python)" != "$PYBIN/python" ]; then
echo "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."
exit 1
fi
if [ ! -z {before_build} ]; then
sh -c {before_build}
fi
# Build the wheel
rm -rf /tmp/built_wheel
mkdir /tmp/built_wheel
pip wheel . -w /tmp/built_wheel --no-deps {build_verbosity_flag}
built_wheel=(/tmp/built_wheel/*.whl)
# repair the wheel
rm -rf /tmp/repaired_wheels
mkdir /tmp/repaired_wheels
# NOTE: 'built_wheel' here is a bash array of glob matches; "$built_wheel" returns
# the first element
if [[ "$built_wheel" == *none-any.whl ]] || [ -z {repair_command} ]; then
# pure Python wheel or empty repair command
mv "$built_wheel" /tmp/repaired_wheels
else
sh -c {repair_command} repair_command "$built_wheel"
fi
repaired_wheels=(/tmp/repaired_wheels/*.whl)
if [ ! -z {test_command} ]; then
# Set up a virtual environment to install and test from, to make sure
# there are no dependencies that were pulled in at build time.
pip install {dependency_install_flags} virtualenv
venv_dir=`mktemp -d`/venv
python -m virtualenv --no-download "$venv_dir"
export __CIBW_VIRTUALENV_PATH__=$venv_dir
# run the tests in a subshell to keep that `activate`
# script from polluting the env
(
source "$venv_dir/bin/activate"
echo "Running tests using `which python`"
if [ ! -z {before_test} ]; then
sh -c {before_test}
fi
# Install the wheel we just built
# Note: If auditwheel produced two wheels, it's because the earlier produced wheel
# conforms to multiple manylinux standards. These multiple versions of the wheel are
# functionally the same, differing only in name, wheel metadata, and possibly include
# different external shared libraries. so it doesn't matter which one we run the tests on.
# Let's just pick the first one.
pip install "${{repaired_wheels[0]}}"{test_extras}
# Install any requirements to run the tests
if [ ! -z "{test_requires}" ]; then
pip install {test_requires}
fi
# Run the tests from a different directory
pushd $HOME
sh -c {test_command}
popd
)
# exit if tests failed (needed for older bash versions)
if [ $? -ne 0 ]; then
exit 1;
fi
# clean up
rm -rf "$venv_dir"
fi
# we're all done here; move it to output
mv "${{repaired_wheels[@]}}" /output
for repaired_wheel in "${{repaired_wheels[@]}}"; do
chown {uid}:{gid} "/output/$(basename "$repaired_wheel")"
done
'''.format(
config_python_bin=config.path + '/bin',
test_requires=' '.join(test_requires),
test_extras=test_extras,
test_command=shlex.quote(
prepare_command(test_command, project='/project') if test_command else ''
),
before_build=shlex.quote(
prepare_command(before_build, project='/project') if before_build else ''
),
build_verbosity_flag=' '.join(get_build_verbosity_extra_flags(build_verbosity)),
repair_command=shlex.quote(
prepare_command(repair_command, wheel='"$1"', dest_dir='/tmp/repaired_wheels') if repair_command else ''
),
environment_exports='\n'.join(environment.as_shell_commands()),
uid=os.getuid(),
gid=os.getgid(),
before_test=shlex.quote(
prepare_command(before_test, project='/project') if before_test else ''
),
dependency_install_flags='-c /constraints.txt' if dependency_constraints else '',
)
)
# copy the output back into the host
call(['docker', 'cp',
container_name + ':/output/.',
os.path.abspath(output_dir)])
except subprocess.CalledProcessError:
exit(1)
finally:
# Still gets executed, even when 'exit(1)' gets called
call(['docker', 'rm', '--force', '-v', container_name])
def troubleshoot(project_dir, error):
if (isinstance(error, subprocess.CalledProcessError) and 'exec' in error.cmd):
# the bash script failed
print('Checking for common errors...')
so_files = []
for root, dirs, files in os.walk(project_dir):
for name in files:
_, ext = os.path.splitext(name)
if ext == '.so':
so_files.append(os.path.join(root, name))
if so_files:
print(textwrap.dedent('''
NOTE: Shared object (.so) files found in this project.
These files might be built against the wrong OS, causing problems with
auditwheel.
If you're using Cython and have previously done an in-place build,
remove those build files (*.so and *.c) before starting cibuildwheel.
'''))
print(' Files detected:')
print('\n'.join([' ' + f for f in so_files]))
print('')