#/*-----------------------------------------------------------------*/
#/*! 
#  \file setup.py 
#  \brief Python installer for calceph library
#
#  \author  M. Gastineau 
#           Astronomie et Systemes Dynamiques, IMCCE, CNRS, Observatoire de Paris. 
#
#   Copyright, 2016-2024, CNRS
#   email of the author : Mickael.Gastineau@obspm.fr
#*/
#/*-----------------------------------------------------------------*/
# 
#/*-----------------------------------------------------------------*/
#/* License  of this file :
# This file is "triple-licensed", you have to choose one  of the three licenses 
# below to apply on this file.
# 
#    CeCILL-C
#    	The CeCILL-C license is close to the GNU LGPL.
#    	( http://www.cecill.info/licences/Licence_CeCILL-C_V1-en.html )
#   
# or CeCILL-B
#        The CeCILL-B license is close to the BSD.
#        (http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt)
#  
# or CeCILL v2.1
#      The CeCILL license is compatible with the GNU GPL.
#      ( http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.html )
# 
#
# This library is governed by the CeCILL-C, CeCILL-B or the CeCILL license under 
# French law and abiding by the rules of distribution of free software.  
# You can  use, modify and/ or redistribute the software under the terms 
# of the CeCILL-C,CeCILL-B or CeCILL license as circulated by CEA, CNRS and INRIA  
# at the following URL "http://www.cecill.info". 
# 
# As a counterpart to the access to the source code and  rights to copy,
# modify and redistribute granted by the license, users are provided only
# with a limited warranty  and the software's author,  the holder of the
# economic rights,  and the successive licensors  have only  limited
# liability. 
# 
# In this respect, the user's attention is drawn to the risks associated
# with loading,  using,  modifying and/or developing or reproducing the
# software by the user in light of its specific status of free software,
# that may mean  that it is complicated to manipulate,  and  that  also
# therefore means  that it is reserved for developers  and  experienced
# professionals having in-depth computer knowledge. Users are therefore
# encouraged to load and test the software's suitability as regards their
# requirements in conditions enabling the security of their systems and/or 
# data to be ensured and,  more generally, to use and operate it in the 
# same conditions as regards security. 
# 
# The fact that you are presently reading this means that you have had
# knowledge of the CeCILL-C,CeCILL-B or CeCILL license and that you accept its terms.
# */
# /*-----------------------------------------------------------------*/

# see http://docs.cython.org/en/latest/src/tutorial/clibraries.html
# require to install Cython.Distutils
#  pip install Cython
# execute  : python setup.py sdist

import logging
import sysconfig
from setuptools import setup, Extension
from setuptools.command.install import install
from setuptools.command.build_clib import build_clib
from setuptools.command.build_ext import build_ext
from subprocess import  check_call
import os
import shutil
import sys
import platform
import tempfile
from os import path
import Cython
from Cython.Build import cythonize

class custom_build_ext(build_ext):
    def run(self):
        self.run_command('build_clib')
        build_ext.run(self)

class custom_build_clib(build_clib):
    def run(self):
        cc, cflags = sysconfig.get_config_vars('CC','CFLAGS')
        build_temp = self.build_temp
        try:
            os.makedirs(build_temp)
        except FileExistsError:
            pass
        # Destination for headers and libraries is build_clib.
        extdir = cwd
        build_clib = os.path.realpath(self.build_clib)
        env = dict(os.environ)
        sourcedir = os.path.abspath('')
        print('extdir:', extdir)
        print('sourcedir:', sourcedir)
        print('cc:', cc)
        print('cflags:', cflags)
        cmd = ["cmake", '-DENABLE_PYTHON=ON',
                '-DENABLE_PYTHON_TESTS=OFF',
                '-DENABLE_FORTRAN=OFF',
                '-DCMAKE_ARCHIVE_OUTPUT_DIRECTORY=' + extdir,
                sourcedir
               ] 
        logging.info('%s', ' '.join(cmd))
        check_call(cmd, env=dict(env, PYTHON=sys.executable), cwd=build_temp)           
        check_call(['cmake', '--build', '.'], env=env, cwd=build_temp)   
#        print('listing:')
#        files = [f for f in os.listdir() if os.path.isfile(f)]
#        print(files)       

DOC_URL = 'https://www.imcce.fr/content/medias/recherche/equipes/asd/calceph/html/python/index.html'

cwd = os.path.dirname(os.path.abspath(__file__))
print('current directory :', cwd)

# add noexcept decoration if required
calcephpypyx = 'calcephpy_prev_3_0.pyx'
if (Cython.__version__ >= "3.0.0"):
    calcephpypyx = 'calcephpy_after_3_0.pyx'

setup(
    name='calcephpy',
    version='@CALCEPH_VERSION_MAJOR@.@CALCEPH_VERSION_MINOR@.@CALCEPH_VERSION_PATCH@',
    description='Python interface for the CALCEPH Library',
    long_description="""@SETUPPY_LONG_DESCRIPTION@""",
    author='Mickael Gastineau',
    author_email='inpop.imcce@obspm.fr',
    url='https://www.imcce.fr/inpop/calceph/',
    license='CeCILL-C or CeCILL-B or CeCILL v2.1',
    classifiers=[ 'Topic :: Scientific/Engineering :: Astronomy', 'Topic :: Software Development :: Libraries' ],
    cmdclass = {'build_ext':  custom_build_ext, 'build_clib':  custom_build_clib},
    ext_modules = cythonize([
        Extension("calcephpy", [os.path.join("pythonapi/src/",calcephpypyx)],
              include_dirs = ["src"], 
              library_dirs = [ cwd ],
              libraries=["calceph"],
        )
    ]),
    install_requires=['setuptools>=20.4', 'cython>=0.27', 'numpy']
)