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setup.py
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setup.py
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#!/usr/bin/env python3
import os, platform, shutil, sys, re
from setuptools import setup, Extension
from distutils.command.clean import clean as _clean
from setuptools.command.build_ext import build_ext as _build_ext
from distutils.command.build import build as _build
from setuptools.command.install import install as _install
from distutils.command.bdist import bdist as _bdist
from wheel.bdist_wheel import bdist_wheel as _bdist_wheel
from distutils.command.sdist import sdist as _sdist
from setuptools.command.egg_info import egg_info as _egg_info
root_dir = os.getcwd() # root of the repository
src_dir = root_dir + os.sep + 'src' # C++ source directory
target_dir = root_dir + os.sep + 'pybuild' # python-specific build directory
build_dir = target_dir + os.sep + 'build' # directory for setuptools to dump various files into
dist_dir = target_dir + os.sep + 'dist' # wheel output directory
cbuild_dir = target_dir + os.sep + 'cbuild' # cmake build directory
prefix_dir = target_dir + os.sep + 'prefix' # cmake install prefix
module_dir = target_dir + os.sep + 'module' # libQasm Python module directory, including generated file(s)
def get_version(verbose=0):
return '0.2.0'
def read(fname):
with open(os.path.join(os.path.dirname(__file__), fname)) as f:
return f.read()
class clean(_clean):
def run(self):
_clean.run(self)
if os.path.exists(target_dir):
shutil.rmtree(target_dir)
class build_ext(_build_ext):
def run(self):
from plumbum import local, FG, ProcessExecutionError
# If we were previously built in a different directory, nuke the cbuild
# dir to prevent inane CMake errors. This happens when the user does
# pip install . after building locally.
if os.path.exists(cbuild_dir + os.sep + 'CMakeCache.txt'):
with open(cbuild_dir + os.sep + 'CMakeCache.txt', 'r') as f:
for line in f.read().split('\n'):
line = line.split('#')[0].strip()
if not line:
continue
if line.startswith('cqasm_BINARY_DIR:STATIC'):
config_dir = line.split('=', maxsplit=1)[1]
if os.path.realpath(config_dir) != os.path.realpath(cbuild_dir):
print('removing pybuild/cbuild to avoid CMakeCache error')
shutil.rmtree(cbuild_dir)
break
# Figure out how many parallel processes to build with.
if self.parallel:
nprocs = str(self.parallel)
else:
nprocs = os.environ.get('NPROCS', '1')
# Figure out how setuptools wants to name the extension file and where
# it wants to place it.
target = os.path.abspath(self.get_ext_fullpath('libQasm._libQasm'))
# Build the Python module and install it into module_dir.
if not os.path.exists(cbuild_dir):
os.makedirs(cbuild_dir)
with local.cwd(cbuild_dir):
build_type = os.environ.get('LIBQASM_BUILD_TYPE', 'Release')
cmd = (local['cmake'][root_dir]
['-DCMAKE_INSTALL_PREFIX=' + prefix_dir]
['-DLIBQASM_BUILD_PYTHON=YES']
['-DLIBQASM_PYTHON_DIR=' + os.path.dirname(target)]
['-DLIBQASM_PYTHON_EXT=' + os.path.basename(target)]
# The Python library needs the compatibility headers.
['-DLIBQASM_COMPAT=YES']
# Make sure CMake uses the Python installation corresponding
# with the the Python version we're building with now.
['-DPYTHON_EXECUTABLE=' + sys.executable]
# (ab)use static libs for the intermediate libraries to avoid
# dealing with R(UN)PATH nonsense on Linux/OSX as much as
# possible.
['-DBUILD_SHARED_LIBS=NO']
# Build type can be set using an environment variable.
['-DCMAKE_BUILD_TYPE=' + build_type]
)
# Run cmake configuration.
cmd & FG
# Do the build with the given number of parallel threads.
build_cmd = local['cmake']['--build']['.']['--config'][build_type]
cmd = build_cmd
if nprocs != '1':
try:
parallel_supported = tuple(local['cmake']('--version').split('\n')[0].split()[-1].split('.')) >= (3, 12)
except:
parallel_supported = False
if parallel_supported:
cmd = cmd['--parallel'][nprocs]
elif not sys.platform.startswith('win'):
cmd = cmd['--']['-j'][nprocs]
cmd & FG
# Do the install.
try:
# install target for makefiles
build_cmd['--target']['install'] & FG
except ProcessExecutionError:
# install target for MSVC
build_cmd['--target']['INSTALL'] & FG
class build(_build):
def initialize_options(self):
_build.initialize_options(self)
self.build_base = os.path.relpath(build_dir)
def run(self):
# Make sure the extension is built before the Python module is "built",
# otherwise SWIG's generated module isn't included.
# See https://stackoverflow.com/questions/12491328
self.run_command('build_ext')
_build.run(self)
class install(_install):
def run(self):
# See https://stackoverflow.com/questions/12491328
self.run_command('build_ext')
_install.run(self)
class bdist(_bdist):
def finalize_options(self):
_bdist.finalize_options(self)
self.dist_dir = os.path.relpath(dist_dir)
class bdist_wheel(_bdist_wheel):
def run(self):
if platform.system() == "Darwin":
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.10'
_bdist_wheel.run(self)
impl_tag, abi_tag, plat_tag = self.get_tag()
archive_basename = "{}-{}-{}-{}".format(self.wheel_dist_name, impl_tag, abi_tag, plat_tag)
wheel_path = os.path.join(self.dist_dir, archive_basename + '.whl')
if platform.system() == "Darwin":
from delocate.delocating import delocate_wheel
delocate_wheel(wheel_path)
class sdist(_sdist):
def finalize_options(self):
_sdist.finalize_options(self)
self.dist_dir = os.path.relpath(dist_dir)
class egg_info(_egg_info):
def initialize_options(self):
_egg_info.initialize_options(self)
self.egg_base = os.path.relpath(target_dir)
setup(
name='libqasm',
version=get_version(),
description='libQasm Python Package',
long_description=read('README.md'),
long_description_content_type = 'text/markdown',
author='QuTech, TU Delft',
url='https://github.com/QE-Lab/libqasm',
classifiers = [
'License :: OSI Approved :: Apache Software License',
'Operating System :: POSIX :: Linux',
'Operating System :: MacOS',
'Operating System :: Microsoft :: Windows',
'Programming Language :: Python :: 3 :: Only',
'Programming Language :: Python :: 3.5',
'Programming Language :: Python :: 3.6',
'Programming Language :: Python :: 3.7',
'Programming Language :: Python :: 3.8',
'Topic :: Scientific/Engineering'
],
packages = ['libQasm'],
package_dir = {'': 'python'},
# NOTE: the library build process is completely overridden to let CMake
# handle it; setuptools' implementation is horribly broken. This is here
# just to have the rest of setuptools understand that this is a Python
# module with an extension in it.
ext_modules = [
Extension('libQasm._libQasm', [])
],
cmdclass = {
'bdist': bdist,
'bdist_wheel': bdist_wheel,
'build_ext': build_ext,
'build': build,
'install': install,
'clean': clean,
'egg_info': egg_info,
'sdist': sdist,
},
setup_requires = [
'plumbum',
'delocate; platform_system == "Darwin"',
],
install_requires = [
'msvc-runtime; platform_system == "Windows"',
],
tests_require = [
'pytest'
],
zip_safe=False
)