267 lines
10 KiB
Python
267 lines
10 KiB
Python
import stat
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import os
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import sys
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import shutil
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from sysconfig import get_config_var
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from distutils.command.install_data import install_data
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import pathlib
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from setuptools import find_packages, setup, Extension
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from setuptools.command.build_ext import build_ext
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from setuptools.command.install_lib import install_lib
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from setuptools.command.install_scripts import install_scripts
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import struct
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BITS = struct.calcsize("P") * 8
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PACKAGE_NAME = "cosmotool"
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class CMakeExtension(Extension):
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"""
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An extension to run the cmake build
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This simply overrides the base extension class so that setuptools
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doesn't try to build your sources for you
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"""
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def __init__(self, name, sources=["python/dummy.c"]):
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super().__init__(name = name, sources = sources)
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self.SOURCE_DIR = str(pathlib.Path().absolute())
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class InstallCMakeLibsData(install_data):
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"""
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Just a wrapper to get the install data into the egg-info
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Listing the installed files in the egg-info guarantees that
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all of the package files will be uninstalled when the user
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uninstalls your package through pip
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"""
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def run(self):
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"""
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Outfiles are the libraries that were built using cmake
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"""
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# There seems to be no other way to do this; I tried listing the
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# libraries during the execution of the InstallCMakeLibs.run() but
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# setuptools never tracked them, seems like setuptools wants to
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# track the libraries through package data more than anything...
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# help would be appriciated
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self.outfiles = self.distribution.data_files
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class InstallCMakeLibs(install_lib):
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"""
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Get the libraries from the parent distribution, use those as the outfiles
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Skip building anything; everything is already built, forward libraries to
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the installation step
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"""
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def run(self):
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"""
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Copy libraries from the bin directory and place them as appropriate
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"""
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self.announce("Moving library files", level=3)
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# print(self.build_temp)
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#
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# self.distribution.bin_dir = CosmoTool_extension.bin_dir
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#
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# # We have already built the libraries in the previous build_ext step
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#
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# self.skip_build = True
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#
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# # Depending on the files that are generated from your cmake
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# # build chain, you may need to change the below code, such that
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# # your files are moved to the appropriate location when the installation
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# # is run
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#
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# libs = [os.path.join(bin_dir, _lib) for _lib in
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# os.listdir(bin_dir) if
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# os.path.isfile(os.path.join(bin_dir, _lib)) and
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# os.path.splitext(_lib)[1] in [".dll", ".so"]
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# and not (_lib.startswith("python") or _lib.startswith(PACKAGE_NAME))]
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#
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# for lib in libs:
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#
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# shutil.move(lib, os.path.join(self.build_dir,
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# os.path.basename(lib)))
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#
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# # Mark the libs for installation, adding them to
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# # distribution.data_files seems to ensure that setuptools' record
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# # writer appends them to installed-files.txt in the package's egg-info
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# #
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# # Also tried adding the libraries to the distribution.libraries list,
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# # but that never seemed to add them to the installed-files.txt in the
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# # egg-info, and the online recommendation seems to be adding libraries
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# # into eager_resources in the call to setup(), which I think puts them
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# # in data_files anyways.
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# #
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# # What is the best way?
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#
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# # These are the additional installation files that should be
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# # included in the package, but are resultant of the cmake build
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# # step; depending on the files that are generated from your cmake
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# # build chain, you may need to modify the below code
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#
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# self.distribution.data_files = [os.path.join(self.install_dir,
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# os.path.basename(lib))
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# for lib in libs]
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# print(self.distribution.data_files)
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#
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# # Must be forced to run after adding the libs to data_files
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self.distribution.run_command("install_data")
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super().run()
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class BuildCMakeExt(build_ext):
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"""
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Builds using cmake instead of the python setuptools implicit build
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"""
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def run(self):
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"""
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Perform build_cmake before doing the 'normal' stuff
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"""
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for extension in self.extensions:
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if extension.name == 'cosmotool':
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self.package = 'cosmotool'
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self.build_cmake(extension)
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super().run()
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def build_cmake(self, extension: Extension):
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"""
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The steps required to build the extension
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"""
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self.announce("Preparing the build environment", level=3)
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package_dir = os.path.abspath(os.path.join(self.build_lib, 'cosmotool'))
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extension.build_dir = pathlib.Path(self.build_temp)
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extension.bin_dir = str(pathlib.Path(os.path.join(extension.build_dir, 'private_install')).absolute())
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SOURCE_DIR = extension.SOURCE_DIR
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build_dir = extension.build_dir
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extension_path = pathlib.Path(self.get_ext_fullpath(extension.name))
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os.makedirs(build_dir, exist_ok=True)
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os.makedirs(extension_path.parent.absolute(), exist_ok=True)
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cython_code = os.path.join(str(build_dir.absolute()),'mycython')
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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)
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# Now that the necessary directories are created, build
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self.announce("Configuring cmake project", level=3)
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# Change your cmake arguments below as necessary
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# Below is just an example set of arguments for building Blender as a Python module
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c_compiler=os.environ.get('CC', get_config_var("CC"))
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cxx_compiler=os.environ.get('CXX', get_config_var("CXX"))
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compilers=[]
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fill_up_settings=[
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("CMAKE_C_COMPILER", "CC", get_config_var("CC")),
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("CMAKE_CXX_COMPILER", "CXX", get_config_var("CXX")),
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("CMAKE_C_FLAGS", "CFLAGS", None),
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("CMAKE_CXX_FLAGS", "CXXFLAGS", None),
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("CMAKE_EXE_LINKER_FLAGS_INIT", "LDFLAGS", None),
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("CMAKE_SHARED_LINKER_FLAGS_INIT", "LDFLAGS", None),
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("CMAKE_MODULE_LINKER_FLAGS_INIT", "LDFLAGS", None)]
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for cmake_flag, os_flag, default_flag in fill_up_settings:
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if os_flag in os.environ or default_flag is not None:
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c = os.environ.get(os_flag, default_flag)
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if not c is None:
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compilers.append(f"-D{cmake_flag}={c}")
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print(compilers)
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self.spawn(['cmake', '-H'+SOURCE_DIR, '-B'+self.build_temp,
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'-DENABLE_OPENMP=ON','-DINTERNAL_BOOST=ON','-DINTERNAL_EIGEN=ON',
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'-DINTERNAL_HDF5=ON','-DINTERNAL_NETCDF=ON',
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'-DBUILD_PYTHON=ON', '-DINSTALL_PYTHON_LOCAL=OFF',
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'-DCOSMOTOOL_PYTHON_PACKAGING=ON',
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f"-DCYTHON={cython_code}",
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f"-DPYTHON_SITE_PACKAGES={build_dir.absolute()}/private_install",
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f"-DPYTHON_EXECUTABLE={sys.executable}"] + compilers)
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self.announce("Building binaries", level=3)
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self.spawn(["cmake", "--build", self.build_temp, "--target", "install",
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"--config", "Release"])
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# Build finished, now copy the files into the copy directory
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# The copy directory is the parent directory of the extension (.pyd)
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self.announce("Moving built python module", level=3)
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bin_dir = extension.bin_dir
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self.distribution.bin_dir = bin_dir
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pyd_path=[]
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top_level_len = len(pathlib.Path(bin_dir).parts)
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for root,_,_pyds in os.walk(bin_dir):
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for _pyd in _pyds:
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print(_pyd)
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_pyd=os.path.join(root,_pyd)
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if os.path.isfile(_pyd):
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_pyd_top = pathlib.Path(_pyd).parts[top_level_len:]
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if _pyd_top[0].startswith(PACKAGE_NAME):
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if os.path.splitext(_pyd)[1] in [".pyd", ".so"] or _pyd_top[-1] == 'config.py':
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pyd_path.append((_pyd_top,_pyd))
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for top,p in pyd_path:
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_,n = os.path.split(p)
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n,e = os.path.splitext(n)
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if n != "_cosmo_bispectrum" and n != 'config':
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new_p = pathlib.Path(self.get_ext_fullpath(n))
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else:
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print(f"package_dir is {package_dir}")
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new_p = pathlib.Path(os.path.join(package_dir,n+e))
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self.announce(f"Moving {p} to {new_p}", level=3)
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shutil.move(p, new_p)
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CosmoTool_extension = CMakeExtension(name="cosmotool")
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setup(name='cosmotool',
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version='1.3.6',
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packages=["cosmotool"],
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package_dir={'cosmotool': 'python/cosmotool'},
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install_requires=['cython','numpy','cffi','numexpr','h5py'],
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setup_requires=['cython','cffi','numpy','numexpr'],
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ext_modules=[CosmoTool_extension],
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description='A small cosmotool box of useful functions',
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long_description=open("./README.md", 'r').read(),
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long_description_content_type="text/markdown",
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keywords="cosmology, interpolation, cmake, extension",
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classifiers=["Intended Audience :: Developers",
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"License :: OSI Approved :: "
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"GNU Lesser General Public License v3 (LGPLv3)",
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"Natural Language :: English",
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"Programming Language :: C",
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"Programming Language :: C++",
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"Programming Language :: Python",
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"Programming Language :: Python :: 3",
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"Programming Language :: Python :: Implementation :: CPython"],
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license='CeCILL-v2',
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cmdclass={
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'build_ext': BuildCMakeExt,
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'install_data': InstallCMakeLibsData,
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'install_lib': InstallCMakeLibs,
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},
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python_requires='>=3.6'
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)
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