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setup.py
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setup.py
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import os
import re
import subprocess
import sys
from pathlib import Path
# NOTE: Current setup.py uses "--global-option", which is deprecated and will not be available from pip 23.3.
# It recommends using "--config-settings", though there is no clear documentation about this.
# For now, we enforce to use the versions < 23.3.0.
import pkg_resources
#pkg_resources.require(['pip < 23.3.0'])
from setuptools import Extension, setup, find_packages
from setuptools.command.build_ext import build_ext
from setuptools.command.install import install as _install
# Take the global option for pre-installed librom directory.
librom_dir = None
install_scalapack = False
use_mfem = True
# TODO: fix this.. passing options through pip to setuptools with PEP517 is not working
for arg in sys.argv:
if (arg[:13] == "--librom_dir=" or arg[:13] == "--librom-dir="):
librom_dir = arg[13:]
if (arg[:19] == "--install_scalapack"):
install_scalapack = True
if (arg[:9] == "--no-mfem"):
use_mfem = False
if (arg[:10] == "--use-mfem"):
use_mfem = True
# 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: str, sourcedir: str = "") -> None:
super().__init__(name, sources=[])
self.sourcedir = os.fspath(Path(sourcedir).resolve())
class InstallBuild(_install):
user_options = _install.user_options + [
("librom-dir=", None, "Path to libROM root directory. If specified, pylibROM will use this instead of compiling its own libROM."),
("install-scalapack", None, "Enables SCALAPACK when building libROM."),
("use-mfem", None, "Compile pylibROM with MFEM enabled."),
("no-mfem", None, "Compile pylibROM without MFEM.")
]
negative_opt = dict(_install.negative_opt)
negative_opt.update({"no-mfem" : "use-mfem"})
def run(self):
_install.run(self)
def initialize_options(self):
_install.initialize_options(self)
self.librom_dir = None
self.install_scalapack = False
self.use_mfem = True
def finalize_options(self):
global librom_dir, install_scalapack, use_mfem
librom_dir = self.librom_dir
install_scalapack = self.install_scalapack
use_mfem = self.use_mfem
_install.finalize_options(self)
class CMakeBuild(build_ext):
def build_extension(self, ext: CMakeExtension) -> None:
# Must be in this form due to bug in .resolve() only fixed in Python 3.10+
ext_fullpath = Path.cwd() / self.get_ext_fullpath(ext.name)
extdir = ext_fullpath.parent.resolve()
# Using this requires trailing slash for auto-detection & inclusion of
# auxiliary "native" libs
debug = int(os.environ.get("DEBUG", 0)) if self.debug is None else self.debug
cfg = "Debug" if 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", "")
global librom_dir, install_scalapack, use_mfem
cmake_args = []
if (librom_dir is None):
librom_dir = os.path.dirname(os.path.realpath(__file__))
librom_dir += "/extern/libROM/"
print("Installing libROM library: %s" % librom_dir)
librom_cmd = "cd %s && ./scripts/compile.sh -t ./cmake/toolchains/simple.cmake" % librom_dir
if (install_scalapack): librom_cmd += " -s"
if (use_mfem): librom_cmd += " -m -g -l"
print("libROM installation command: %s" % librom_cmd)
subprocess.run(
librom_cmd, shell=True, check=True
)
else:
print("Using pre-installed libROM library: %s" % librom_dir)
cmake_args += [f"-DLIBROM_DIR=%s" % librom_dir]
cmake_args += ["-DUSE_MFEM={:s}".format('ON' if use_mfem else 'OFF')]
# Set Python_EXECUTABLE instead if you use PYBIND11_FINDPYTHON
# EXAMPLE_VERSION_INFO shows you how to pass a value into the C++ code
# from Python.
cmake_args += [
f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY={extdir}{os.sep}",
f"-DPYTHON_EXECUTABLE={sys.executable}",
f"-DCMAKE_BUILD_TYPE={cfg}", # not used on MSVC, but no harm
]
build_args = []
# Adding CMake arguments set as environment variable
# (needed e.g. to build for ARM OSx on conda-forge)
if "CMAKE_ARGS" in os.environ:
cmake_args += [item for item in os.environ["CMAKE_ARGS"].split(" ") if item]
# In this example, we pass in the version to C++. You might not need to.
cmake_args += [f"-DEXAMPLE_VERSION_INFO={self.distribution.get_version()}"]
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 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 {"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 += [
f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{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))]
# 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 += [f"-j{self.parallel}"]
build_temp = Path(self.build_temp) / ext.name
if not build_temp.exists():
build_temp.mkdir(parents=True)
subprocess.run(
["cmake", ext.sourcedir, *cmake_args], cwd=build_temp, check=True
)
subprocess.run(
["cmake", "--build", ".", "-j 8", "-v", *build_args], cwd=build_temp, check=True
)
def initialize_options(self):
build_ext.initialize_options(self)
def finalize_options(self):
build_ext.finalize_options(self)
# The information here can also be placed in setup.cfg - better separation of
# logic and declaration, and simpler if you include description/version in a file.
setup(
name="pylibROM",
description="Python Interface for LLNL libROM",
long_description="",
packages=find_packages(where='bindings', exclude=['pylibROM.mfem'] if use_mfem == False else ['']),
package_dir={"":"bindings"},
ext_modules=[CMakeExtension("_pylibROM")],
cmdclass={
"build_ext": CMakeBuild,
"install": InstallBuild
},
zip_safe=False,
extras_require={"test": ["pytest>=6.0"]},
python_requires=">=3.7",
)