ConceptCore/pyconcept/setup.py

93 lines
3.7 KiB
Python

''' Setup process for CMake originated from https://github.com/pybind/cmake_example '''
import os
import subprocess
from pathlib import Path
from setuptools import Extension, setup
from setuptools.command.build_ext import build_ext
# Convert distutils Windows platform specifiers to CMake -A arguments
_PLAT_TO_CMAKE = {
'win32': 'Win32',
'win-amd64': 'x64',
'win-arm32': 'ARM',
'win-arm64': 'ARM64',
}
class CMakeExtension(Extension):
'''
A CMakeExtension needs a source directory instead of a file list.
The name must be the _single_ output extension from the CMake build.
'''
def __init__(self, name: str, source: str = '') -> None:
super().__init__(name, sources=[])
self.source_dir = os.fspath(Path(source).resolve())
class CMakeBuild(build_ext):
'''CMake builder extension.'''
def build_extension(self, target: CMakeExtension) -> None:
target_fullpath = Path.cwd() / self.get_ext_fullpath(target.name)
output_folder = target_fullpath.parent.resolve()
debug_flag = int(os.environ.get('DEBUG', 0)) if self.debug is None else self.debug
build_type = 'Debug' if debug_flag else 'Release'
cmake_generator = os.environ.get('CMAKE_GENERATOR', '')
cmake_args = [
'--preset conan-release' if self.compiler.compiler_type != 'msvc' else '--preset conan-default',
f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY={output_folder}{os.sep}",
f"-DCMAKE_BUILD_TYPE={build_type}"
]
if 'CMAKE_ARGS' in os.environ:
cmake_args += [item for item in os.environ['CMAKE_ARGS'].split(' ') if item]
build_args = ['--preset conan-debug' if debug_flag else '--preset conan-release']
if self.compiler.compiler_type != 'msvc':
if not cmake_generator or cmake_generator == 'Ninja':
try:
import ninja
ninja_executable_path = Path(ninja.BIN_DIR) / 'ninja'
cmake_args += [
'-GNinja',
f"-DCMAKE_MAKE_PROGRAM:FILEPATH={ninja_executable_path}",
]
except ImportError:
pass
else:
# Single config generators are handled "normally"
single_config = any(x in cmake_generator for x in ['N~Make', 'Ninja'])
# CMake allows an arch-in-generator style for backward compatibility
contains_arch = any(x in cmake_generator for x in ['ARM', 'Win64'])
# Specify the arch if using MSVC generator, but only if it doesn't
# contain a backward-compatibility arch spec already in the generator name.
if not single_config and not contains_arch:
cmake_args += ['-A', _PLAT_TO_CMAKE[self.plat_name]]
# Multi-config generators have a different way to specify configs
if not single_config:
cmake_args += [
f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{build_type.upper()}={output_folder}"
]
build_args += ['--config', build_type]
# Set CMAKE_BUILD_PARALLEL_LEVEL to control the parallel build level across all generators.
if 'CMAKE_BUILD_PARALLEL_LEVEL' not in os.environ:
if hasattr(self, 'parallel') and self.parallel:
build_args += [f"-j{self.parallel}"]
subprocess.run(['conan', 'profile', 'detect', '--force'], check=True)
subprocess.run(['conan', 'install', '.', '--build=missing'], check=True)
subprocess.run(['cmake', target.source_dir, *cmake_args], check=True)
subprocess.run(['cmake', '--build', '.', *build_args], check=True)
setup(
ext_modules=[CMakeExtension('pyconcept')],
cmdclass={'build_ext': CMakeBuild}
)