setup.py

#!/usr/bin/env python
"""Script for installing the CrystalPlan utility."""

# Author: Janik Zikovsky, zikovskyjl@ornl.gov
# Version: $Id$

#--- Imports ---
from setuptools import setup, find_packages, Extension
from setuptools.command.build_ext import build_ext
import os
import setuptools
import sys
import CrystalPlan_version

#Two packages: the GUI and the model code
packages = find_packages()
packages = ['CrystalPlan', 'CrystalPlan.model',  'CrystalPlan.pyevolve', 'CrystalPlan.gui', 'CrystalPlan.model.pygene']
package_dir = {'CrystalPlan': '.',  'CrystalPlan.pyevolve':'pyevolve', 'CrystalPlan.model':'model', 'CrystalPlan.gui':'gui', 'CrystalPlan.model.pygene':'model/pygene'}
#data_files = [ ('instruments', './instruments/*.csv'), ('instruments', './instruments/*.xls') ]
data_files = []
package_data = {'CrystalPlan':['instruments/*.xls', 'instruments/*.csv', 'instruments/*.detcal',
                               'docs/*.*', 'docs/animations/*.*', 'docs/eq/*.*', 'docs/screenshots/*.*' ],
    'CrystalPlan.model':['data/*.*'],
    'CrystalPlan.gui':['icons/*.png']
}
scripts = ['crystalplan.py']

#Package requirements
install_requires = ['pybind11>=2.0.1', 'numpy', 'mayavi==4.5.0', 'traitsui==6.0.0', 'traits==4.6.0', 'pyface==6.1.2', 'scipy']

def pythonVersionCheck():
    # Minimum version of Python
    PYTHON_MAJOR = 2
    PYTHON_MINOR = 5

    if sys.version_info < (PYTHON_MAJOR, PYTHON_MINOR):
        print >> sys.stderr, 'You need at least Python %d.%d for %s %s' \
              % (PYTHON_MAJOR, PYTHON_MINOR, CrystalPlan_version.package_name, CrystalPlan_version.version)
        sys.exit(-3)


class get_pybind_include(object):
    """Helper class to determine the pybind11 include path

    The purpose of this class is to postpone importing pybind11
    until it is actually installed, so that the ``get_include()``
    method can be invoked. """

    def __init__(self, user=False):
        self.user = user

    def __str__(self):
        import pybind11
        return pybind11.get_include(self.user)


class get_numpy_include(object):
    """Helper class to determine the numpy include path

    The purpose of this class is to postpone importing numpy
    until it is actually installed, so that the ``get_include()``
    method can be invoked. """

    def __init__(self):
        pass

    def __str__(self):
        import numpy as np
        return np.get_include()

ext_modules = [
    Extension(
        'crystal_plan_c_ext',
        ['src/crystal_plan_c_ext.cpp'],
        include_dirs=[
            # Path to pybind11 headers
            get_pybind_include(),
            get_pybind_include(user=True),
            get_numpy_include(),
            os.path.join(sys.prefix, 'include'),
            os.path.join(sys.prefix, 'Library', 'include')
        ],
        language='c++'
    ),
]


def has_flag(compiler, flagname):
    """Return a boolean indicating whether a flag name is supported on
    the specified compiler.
    """
    import tempfile
    with tempfile.NamedTemporaryFile('w', suffix='.cpp') as f:
        f.write('int main (int argc, char **argv) { return 0; }')
        try:
            compiler.compile([f.name], extra_postargs=[flagname])
        except setuptools.distutils.errors.CompileError:
            return False
    return True


def cpp_flag(compiler):
    """Return the -std=c++14 compiler flag  and errors when the flag is
    no available.
    """
    if has_flag(compiler, '-std=c++14'):
        return '-std=c++14'
    else:
        raise RuntimeError('C++14 support is required by xtensor!')


class BuildExt(build_ext):
    """A custom build extension for adding compiler-specific options."""
    c_opts = {
        'msvc': ['/EHsc'],
        'unix': [],
    }

    if sys.platform == 'darwin':
        c_opts['unix'] += ['-stdlib=libc++', '-mmacosx-version-min=10.7']

    def build_extensions(self):
        ct = self.compiler.compiler_type
        opts = self.c_opts.get(ct, [])
        if ct == 'unix':
            opts.append('-DVERSION_INFO="%s"' % self.distribution.get_version())
            opts.append(cpp_flag(self.compiler))
            if has_flag(self.compiler, '-fvisibility=hidden'):
                opts.append('-fvisibility=hidden')
        elif ct == 'msvc':
            opts.append('/DVERSION_INFO=\\"%s\\"' % self.distribution.get_version())
        for ext in self.extensions:
            ext.extra_compile_args = opts
        build_ext.build_extensions(self)



if __name__ == "__main__":
    pythonVersionCheck()

    setup(name=CrystalPlan_version.package_name,
          version=CrystalPlan_version.version,
          description=CrystalPlan_version.description,
          author=CrystalPlan_version.author, author_email=CrystalPlan_version.author_email,
          url=CrystalPlan_version.url,
          scripts=scripts,
          packages=packages,
          package_dir=package_dir,
          data_files=data_files,
          package_data=package_data,
          #include_package_data=True,
          install_requires=install_requires,
          #test_suite='model.test_all.get_all_tests'
          ext_modules=ext_modules,
          cmdclass={'build_ext': BuildExt},
          zip_safe=False,
          )