import stat import os import sys import shutil from distutils.command.install_data import install_data import pathlib from setuptools import find_packages, setup, Extension from setuptools.command.build_ext import build_ext from setuptools.command.install_lib import install_lib from setuptools.command.install_scripts import install_scripts import struct BITS = struct.calcsize("P") * 8 PACKAGE_NAME = "cosmotool" class CMakeExtension(Extension): """ An extension to run the cmake build This simply overrides the base extension class so that setuptools doesn't try to build your sources for you """ def __init__(self, name, sources=[]): super().__init__(name = name, sources = sources) self.SOURCE_DIR = str(pathlib.Path().absolute()) class InstallCMakeLibsData(install_data): """ Just a wrapper to get the install data into the egg-info Listing the installed files in the egg-info guarantees that all of the package files will be uninstalled when the user uninstalls your package through pip """ def run(self): """ Outfiles are the libraries that were built using cmake """ # There seems to be no other way to do this; I tried listing the # libraries during the execution of the InstallCMakeLibs.run() but # setuptools never tracked them, seems like setuptools wants to # track the libraries through package data more than anything... # help would be appriciated self.outfiles = self.distribution.data_files class InstallCMakeLibs(install_lib): """ Get the libraries from the parent distribution, use those as the outfiles Skip building anything; everything is already built, forward libraries to the installation step """ def run(self): """ Copy libraries from the bin directory and place them as appropriate """ self.announce("Moving library files", level=3) # print(self.build_temp) # # self.distribution.bin_dir = CosmoTool_extension.bin_dir # # # We have already built the libraries in the previous build_ext step # # self.skip_build = True # # # Depending on the files that are generated from your cmake # # build chain, you may need to change the below code, such that # # your files are moved to the appropriate location when the installation # # is run # # libs = [os.path.join(bin_dir, _lib) for _lib in # os.listdir(bin_dir) if # os.path.isfile(os.path.join(bin_dir, _lib)) and # os.path.splitext(_lib)[1] in [".dll", ".so"] # and not (_lib.startswith("python") or _lib.startswith(PACKAGE_NAME))] # # for lib in libs: # # shutil.move(lib, os.path.join(self.build_dir, # os.path.basename(lib))) # # # Mark the libs for installation, adding them to # # distribution.data_files seems to ensure that setuptools' record # # writer appends them to installed-files.txt in the package's egg-info # # # # Also tried adding the libraries to the distribution.libraries list, # # but that never seemed to add them to the installed-files.txt in the # # egg-info, and the online recommendation seems to be adding libraries # # into eager_resources in the call to setup(), which I think puts them # # in data_files anyways. # # # # What is the best way? # # # These are the additional installation files that should be # # included in the package, but are resultant of the cmake build # # step; depending on the files that are generated from your cmake # # build chain, you may need to modify the below code # # self.distribution.data_files = [os.path.join(self.install_dir, # os.path.basename(lib)) # for lib in libs] # print(self.distribution.data_files) # # # Must be forced to run after adding the libs to data_files self.distribution.run_command("install_data") super().run() class BuildCMakeExt(build_ext): """ Builds using cmake instead of the python setuptools implicit build """ def run(self): """ Perform build_cmake before doing the 'normal' stuff """ for extension in self.extensions: if extension.name == 'cosmotool': self.package = 'cosmotool' self.build_cmake(extension) super().run() def build_cmake(self, extension: Extension): """ The steps required to build the extension """ self.announce("Preparing the build environment", level=3) package_dir = os.path.abspath(os.path.join(self.build_lib, 'cosmotool')) extension.build_dir = pathlib.Path(self.build_temp) extension.bin_dir = str(pathlib.Path(os.path.join(extension.build_dir, 'private_install')).absolute()) SOURCE_DIR = extension.SOURCE_DIR build_dir = extension.build_dir extension_path = pathlib.Path(self.get_ext_fullpath(extension.name)) os.makedirs(build_dir, exist_ok=True) os.makedirs(extension_path.parent.absolute(), exist_ok=True) cython_code = os.path.join(str(build_dir.absolute()),'mycython') with open(cython_code, mode="wt") as ff: ff.write(f"#!{sys.executable}\n" "from Cython.Compiler.Main import setuptools_main\n" "setuptools_main()") os.chmod(cython_code, stat.S_IXUSR|stat.S_IWUSR|stat.S_IRUSR|stat.S_IRGRP) # Now that the necessary directories are created, build self.announce("Configuring cmake project", level=3) # Change your cmake arguments below as necessary # Below is just an example set of arguments for building Blender as a Python module self.spawn(['cmake', '-H'+SOURCE_DIR, '-B'+self.build_temp, '-DENABLE_OPENMP=ON','-DINTERNAL_BOOST=ON','-DINTERNAL_EIGEN=ON', '-DINTERNAL_HDF5=ON','-DINTERNAL_NETCDF=ON', '-DBUILD_PYTHON=ON', '-DINSTALL_PYTHON_LOCAL=OFF', '-DCOSMOTOOL_PYTHON_PACKAGING=ON', f"-DCYTHON={cython_code}", f"-DPYTHON_SITE_PACKAGES={build_dir.absolute()}/private_install", f"-DPYTHON_EXECUTABLE={sys.executable}"]) self.announce("Building binaries", level=3) self.spawn(["cmake", "--build", self.build_temp, "--target", "install", "--config", "Release"]) # Build finished, now copy the files into the copy directory # The copy directory is the parent directory of the extension (.pyd) self.announce("Moving built python module", level=3) bin_dir = extension.bin_dir self.distribution.bin_dir = bin_dir pyd_path=[] top_level_len = len(pathlib.Path(bin_dir).parts) for root,_,_pyds in os.walk(bin_dir): for _pyd in _pyds: print(_pyd) _pyd=os.path.join(root,_pyd) if os.path.isfile(_pyd): _pyd_top = pathlib.Path(_pyd).parts[top_level_len:] if _pyd_top[0].startswith(PACKAGE_NAME): if os.path.splitext(_pyd)[1] in [".pyd", ".so"] or _pyd_top[-1] == 'config.py': pyd_path.append((_pyd_top,_pyd)) for top,p in pyd_path: _,n = os.path.split(p) n,e = os.path.splitext(n) if n != "_cosmo_bispectrum" and n != 'config': new_p = pathlib.Path(self.get_ext_fullpath(n)) else: print(f"package_dir is {package_dir}") new_p = pathlib.Path(os.path.join(package_dir,n+e)) self.announce(f"Moving {p} to {new_p}", level=3) shutil.move(p, new_p) CosmoTool_extension = CMakeExtension(name="cosmotool") setup(name='cosmotool', version='1.0.0a2', packages=["cosmotool"], package_dir={'cosmotool': 'python/cosmotool'}, setup_requires=['cython','cffi','numexpr'], ext_modules=[CosmoTool_extension], description='A small cosmotool box of useful functions', long_description=open("./README.md", 'r').read(), long_description_content_type="text/markdown", keywords="cosmology, interpolation, cmake, extension", classifiers=["Intended Audience :: Developers", "License :: OSI Approved :: " "GNU Lesser General Public License v3 (LGPLv3)", "Natural Language :: English", "Programming Language :: C", "Programming Language :: C++", "Programming Language :: Python", "Programming Language :: Python :: 3", "Programming Language :: Python :: Implementation :: CPython"], license='CeCILL-v2', cmdclass={ 'build_ext': BuildCMakeExt, 'install_data': InstallCMakeLibsData, 'install_lib': InstallCMakeLibs, } )