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rGOOSEFEM/setup.py
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setup.py
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import os
import re
import sys
import subprocess
from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext
from setuptools_scm import get_version
# ==================================================================
# Tools to build/install by controlling CMakeLists.txt from setup.py
# (c) Dean Moldovan
# https://github.com/pybind/cmake_example/blob/master/setup.py
# ==================================================================
# Convert distutils Windows platform specifiers to CMake -A arguments
PLAT_TO_CMAKE = {
"win32": "Win32",
"win-amd64": "x64",
"win-arm32": "ARM",
"win-arm64": "ARM64",
}
# A CMakeExtension needs a sourcedir instead of a file list.
# The name must be the _single_ output extension from the CMake build.
# If you need multiple extensions, see scikit-build.
class CMakeExtension(Extension):
def __init__(self, name, sourcedir=""):
Extension.__init__(self, name, sources=[])
self.sourcedir = os.path.abspath(sourcedir)
class CMakeBuild(build_ext):
def build_extension(self, ext):
extdir = os.path.abspath(os.path.dirname(self.get_ext_fullpath(ext.name)))
# required for auto-detection of auxiliary "native" libs
if not extdir.endswith(os.path.sep):
extdir += os.path.sep
cfg = "Debug" if self.debug else "Release"
# CMake lets you override the generator - we need to check this.
# Can be set with Conda-Build, for example.
cmake_generator = os.environ.get("CMAKE_GENERATOR", "")
# Set Python_EXECUTABLE instead if you use PYBIND11_FINDPYTHON
cmake_args = [
"-DBUILD_PYTHON=1",
"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY={}".format(extdir),
"-DPython_EXECUTABLE={}".format(sys.executable),
"-DCMAKE_BUILD_TYPE={}".format(cfg), # not used on MSVC, but no harm
]
build_args = []
if self.compiler.compiler_type != "msvc":
# Using Ninja-build since it a) is available as a wheel and b)
# multithreads automatically. MSVC would require all variables be
# exported for Ninja to pick it up, which is a little tricky to do.
# Users can override the generator with CMAKE_GENERATOR in CMake
# 3.15+.
if not cmake_generator:
cmake_args += ["-GNinja"]
else:
# Single config generators are handled "normally"
single_config = any(x in cmake_generator for x in {"NMake", "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 += [
"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}".format(cfg.upper(), extdir)
]
build_args += ["--config", cfg]
if sys.platform.startswith("darwin"):
# Cross-compile support for macOS - respect ARCHFLAGS if set
archs = re.findall(r"-arch (\S+)", os.environ.get("ARCHFLAGS", ""))
if archs:
cmake_args += ["-DCMAKE_OSX_ARCHITECTURES={}".format(";".join(archs))]
if "CMAKE_ARGS" in os.environ:
cmake_args += [os.environ["CMAKE_ARGS"]]
# Set CMAKE_BUILD_PARALLEL_LEVEL to control the parallel build level
# across all generators.
if "CMAKE_BUILD_PARALLEL_LEVEL" not in os.environ:
# self.parallel is a Python 3 only way to set parallel jobs by hand
# using -j in the build_ext call, not supported by pip or PyPA-build.
if hasattr(self, "parallel") and self.parallel:
# CMake 3.12+ only.
build_args += ["-j{}".format(self.parallel)]
if not os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
subprocess.check_call(
["cmake", ext.sourcedir] + cmake_args, cwd=self.build_temp
)
subprocess.check_call(
["cmake", "--build", "."] + build_args, cwd=self.build_temp
)
# ==================================================================
# Actual setup
# ==================================================================
setup(
name = 'GooseFEM',
description = 'Finite element meshes, quadrature, and assembly tools',
long_description = 'Finite element meshes, quadrature, and assembly tools',
version = get_version(),
license = 'GPLv3',
author = 'Tom de Geus',
author_email = 'tom@geus.me',
url = 'https://github.com/tdegeus/GooseFEM',
setup_requires = ['setuptools_scm'],
ext_modules = [CMakeExtension("GooseFEM")],
cmdclass = {"build_ext": CMakeBuild},
zip_safe = False,
)
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