cosmotool/setup.py

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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
"""
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def __init__(self, name, sources=["python/dummy.c"]):
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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:
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ff.write("#!/bin/sh\n"
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f"{sys.executable} -c 'from Cython.Compiler.Main import setuptools_main; setuptools_main()' $@")
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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
compilers=[]
if "CC" in os.environ:
compilers.append('-DCMAKE_C_COMPILER=' + os.environ["CC"])
if "CXX" in os.environ:
compilers.append("-DCMAKE_CXX_COMPILER=" + os.environ["CXX"])
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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}"] + compilers)
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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',
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version='1.2.1',
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packages=["cosmotool"],
package_dir={'cosmotool': 'python/cosmotool'},
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install_requires=['numpy','cffi','numexpr','pyfftw','h5py'],
setup_requires=['cython','cffi','numpy','numexpr'],
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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,
},
python_requires='>=3.6'
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)