#
# This Python module has been developed by V.A. Sole, from the European
# Synchrotron Radiation Facility (ESRF) to build PyMca.
# Given the nature of this work, these module can be considered public domain.
# Therefore redistribution and use in source and binary forms, with or without
# modification, are permitted provided the following disclaimer is accepted:
#
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND THE ESRF ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) AND/OR THE ESRF BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
import sys
import os
import glob
import platform
import numpy

USING_SETUPTOOLS = True
if '--distutils' in sys.argv:
    assert 'bdist_wheel' not in sys.argv,\
        "Incompatible arguments bdist_wheel and --distutils"
    sys.argv.remove("--distutils")
    from distutils.core import setup
    from distutils.command.install import install as dftinstall
    from distutils.core import Command
    from distutils.core import Extension
    from distutils.command.build_py import build_py
    from distutils.command.install_data import install_data
    from distutils.command.install_scripts import install_scripts
    from distutils.command.sdist import sdist
    USING_SETUPTOOLS = False
else:
    # wheels require setuptools
    from setuptools import setup
    from setuptools.command.install import install as dftinstall
    from setuptools import Command
    from setuptools.extension import Extension
    from setuptools.command.build_py import build_py
    from distutils.command.install_data import install_data
    from setuptools.command.install_scripts import install_scripts
    from setuptools.command.sdist import sdist

# more command line verification related to --distutils (frozen binaries)
if ("--install-scripts" in sys.argv or "--install-lib" in sys.argv or
        "--install-data" in sys.argv) and USING_SETUPTOOLS:
    print("error: --install-scripts, --install-lib and --install-data options "
          "require to specify --distutils.")
    sys.exit(1)

try:
    from Cython.Distutils import build_ext
    import Cython.Compiler.Version
    cython_version = Cython.Compiler.Version.version
    if (sys.version_info >= (3, 7)) and (cython_version < "0.28.3"):
        build_ext = None
    elif  cython_version < '0.18':
        build_ext = None
except ImportError:
    build_ext = None

PYMCA_INSTALL_DIR = None
PYMCA_SCRIPTS_DIR = None

# package maintainers customization
# Dear (Debian, RedHat, ...) package makers, please feel free to customize the
# following paths to the directory containing module's data relative to the
# directory containing the python modules (aka. installation directory).
# The sift module implements a patented algorithm. The algorithm can be used
# for non-commercial research purposes. If you do not want to distribute it
# with the PyMca sources you just need to delete the PyMca5/PyMcaMath/sift directory.
PYMCA_DATA_DIR = os.getenv("PYMCA_DATA_DIR")
PYMCA_DOC_DIR = os.getenv("PYMCA_DOC_DIR")


assert (PYMCA_DATA_DIR is None) == (PYMCA_DOC_DIR is None), \
    "error: PYMCA_DATA_DIR and PYMCA_DOC_DIR must be both set (debian " + \
    "packaging) or both be unset (pip install or frozen binary)."

defaultDataPath = os.path.join('PyMca5', 'PyMcaData')
if PYMCA_DATA_DIR is None and PYMCA_DOC_DIR is None:
    PYMCA_DATA_DIR = PYMCA_DOC_DIR = defaultDataPath


USE_SMART_INSTALL_SCRIPTS = "--install-scripts" in sys.argv

SPECFILE_USE_GNU_SOURCE = os.getenv("SPECFILE_USE_GNU_SOURCE")
if SPECFILE_USE_GNU_SOURCE is None:
    SPECFILE_USE_GNU_SOURCE = 0
    if sys.platform.lower().startswith("linux"):
        print("WARNING:")
        print("A cleaner locale independent implementation")
        print("may be achieved setting SPECFILE_USE_GNU_SOURCE to 1")
        print("For instance running this script as:")
        print("SPECFILE_USE_GNU_SOURCE=1 python setup.py build")
else:
    SPECFILE_USE_GNU_SOURCE = int(SPECFILE_USE_GNU_SOURCE)


# check if cython is not to be used despite being present
def use_cython():
    """
    Check if cython is disabled from the command line or the environment.
    """
    if "WITH_CYTHON" in os.environ:
        if os.environ["WITH_CYTHON"] in ["False", "0", 0]:
            print("No Cython requested by environment")
            return False

    if "--no-cython" in sys.argv:
        sys.argv.remove("--no-cython")
        os.environ["WITH_CYTHON"] = "False"
        print("No Cython requested by command line")
        return False

    return True

# check if GUI dependencies are to be considered install_requires
def use_gui():
    """
    Check if GUI dependencies are requested.
    """

    if "WITH_GUI" in os.environ:
        if os.environ["WITH_GUI"] not in ["False", "0", 0]:
            print("GUI requirements requested by environment")
            return True

    if "--gui" in sys.argv:
        sys.argv.remove("--gui")
        os.environ["WITH_GUI"] = "True"
        print("GUI requrements requested by command line")
        return True

    return False



if build_ext is not None:
    # we can use cython, but it may have been explicitely disabled
    if not use_cython():
        build_ext = None

fid = open(os.path.join('PyMca5', '__init__.py'), 'r')
ffile = fid.readlines()
fid.close()

__version__ = None
for line in ffile:
    if line.startswith('__version__'):
        # remove spaces and split
        __version__ = "%s" % line.replace(' ', '').split("=")[-1][:-1]
        # remove " or ' present
        __version__ = __version__[1:-1]
        break
assert __version__ is not None
print("PyMca X-Ray Fluorescence Toolkit %s\n" % __version__)


packages = ['PyMca5', 'PyMca5.PyMcaPlugins', 'PyMca5.tests',
            'PyMca5.PyMca',
            'PyMca5.PyMcaCore',
            'PyMca5.PyMcaPhysics',
            'PyMca5.PyMcaPhysics.xrf',
            'PyMca5.PyMcaPhysics.xrf.XRFMC',
            'PyMca5.PyMcaPhysics.xas',
            'PyMca5.PyMcaIO',
            'PyMca5.PyMcaMisc',
            'PyMca5.PyMcaMath',
            'PyMca5.PyMcaMath.fitting',
            'PyMca5.PyMcaMath.mva',
            'PyMca5.PyMcaMath.mva.py_nnma',
            'PyMca5.PyMcaGraph', 'PyMca5.PyMcaGraph.backends',
            'PyMca5.PyMcaGui', 'PyMca5.PyMcaGui.plotting',
            'PyMca5.PyMcaGui.physics',
            'PyMca5.PyMcaGui.physics.xas',
            'PyMca5.PyMcaGui.physics.xrf',
            'PyMca5.PyMcaGui.pymca',
            'PyMca5.PyMcaGui.misc',
            'PyMca5.PyMcaGui.io',
            'PyMca5.PyMcaGui.io.hdf5',
            'PyMca5.PyMcaGui.math',
            'PyMca5.PyMcaGui.math.fitting',
            'PyMca5.Object3D',
            'PyMca5.Object3D.Object3DPlugins',
            'PyMca5.PyMcaGraph.backends.GLSupport',
            'PyMca5.PyMcaGraph.backends.GLSupport.gl',
            'PyMca5.EPDL97']
# more packages are appended later, when building extensions


if USING_SETUPTOOLS and PYMCA_DATA_DIR == defaultDataPath \
        and PYMCA_DOC_DIR == defaultDataPath:
    # general case: pip install or "setup.py install" without parameters
    package_data = {'PyMca5': ['LICENSE*',
                               'changelog.txt',
                               'PyMcaData/*.*',
                               'PyMcaData/attdata/*',
                               'PyMcaData/HTML/*.*',
                               'PyMcaData/HTML/IMAGES/*',
                               'PyMcaData/HTML/PyMCA_files/*',
                               'EPDL97/*.DAT',
                               'EPDL97/LICENSE']}
    data_files = []
else:
    # used by debian packaging (PYMCA_DATA_DIR & PYMCA_DOC_DIR set by the packager)
    # or used by cx_freeze or py2app to generate frozen binaries.
    package_data = {}
    data_files = [(PYMCA_DATA_DIR, ['LICENSE',
                                    'LICENSE.GPL',
                                    'LICENSE.LGPL',
                                    'LICENSE.MIT',
                                    'PyMca5/PyMcaData/Scofield1973.dict',
                                    'changelog.txt',
                                    'PyMca5/PyMcaData/McaTheory.cfg',
                                    'PyMca5/PyMcaData/PyMcaSplashImage.png',
                                    'PyMca5/PyMcaData/KShellRatesScofieldHS.dat',
                                    'PyMca5/PyMcaData/LShellRatesCampbell.dat',
                                    'PyMca5/PyMcaData/LShellRatesScofieldHS.dat',
                                    'PyMca5/PyMcaData/EXAFS_Cu.dat',
                                    'PyMca5/PyMcaData/EXAFS_Ge.dat',
                                    'PyMca5/PyMcaData/Steel.cfg',
                                    'PyMca5/PyMcaData/Steel.spe',
                                    'PyMca5/PyMcaData/XRFSpectrum.mca']),
                  (PYMCA_DATA_DIR + '/attdata', glob.glob('PyMca5/PyMcaData/attdata/*')),
                  (PYMCA_DOC_DIR + '/HTML', glob.glob('PyMca5/PyMcaData/HTML/*.*')),
                  (PYMCA_DOC_DIR + '/HTML/IMAGES', glob.glob('PyMca5/PyMcaData/HTML/IMAGES/*')),
                  (PYMCA_DOC_DIR + '/HTML/PyMCA_files', glob.glob('PyMca5/HTML/PyMCA_files/*')),
                  (PYMCA_DATA_DIR + '/EPDL97', glob.glob('PyMca5/EPDL97/*.DAT')),
                  (PYMCA_DATA_DIR + '/EPDL97', ['PyMca5/EPDL97/LICENSE'])]


SIFT_OPENCL_FILES = []
if os.path.exists(os.path.join("PyMca5", "PyMcaMath", "sift")):
    packages.append('PyMca5.PyMcaMath.sift')
    if 'PyMca5' in package_data:
        package_data['PyMca5'].append('PyMcaMath/sift/*.cl')
    else:
        package_data['PyMca5'] = ['PyMcaMath/sift/*.cl']

sources = glob.glob('*.c')
if sys.platform == "win32":
    define_macros = [('WIN32', None)]
    script_files = glob.glob('PyMca5/scripts/*')
    script_files += glob.glob('scripts/*.bat')
    script_files.append('scripts/pymca_win_post_install.py')
else:
    define_macros = []
    script_files = glob.glob('PyMca5/scripts/*')


def build_FastEdf(ext_modules):
    module = Extension(name='PyMca5.FastEdf',
                       sources=glob.glob('PyMca5/PyMcaIO/edf/*.c'),
                       define_macros=define_macros,
                       include_dirs=[numpy.get_include()])
    ext_modules.append(module)


def build_specfile(ext_modules):
    if os.name.lower().startswith('posix'):
        specfile_define_macros = [('PYMCA_POSIX', None)]
        # the best choice is to use _GNU_SOURCE if possible
        # because that enables the use of strtod_l
        if SPECFILE_USE_GNU_SOURCE:
            specfile_define_macros = [('_GNU_SOURCE', 1)]
    else:
        specfile_define_macros = define_macros
    srcfiles = ['sfheader', 'sfinit', 'sflists', 'sfdata', 'sfindex',
                'sflabel', 'sfmca', 'sftools', 'locale_management',
                'specfile_py']
    if sys.version >= '3.0':
        srcfiles[-1] += '3'
    sources = []
    specfile_source_dir = os.path.join('PyMca5', 'PyMcaIO', 'specfile', 'src')
    specfile_include_dir = os.path.join('PyMca5', 'PyMcaIO', 'specfile', 'include')
    for ffile in srcfiles:
        sources.append(os.path.join(specfile_source_dir, ffile+'.c'))
    module = Extension(name='PyMca5.PyMcaIO.specfile',
                       sources=sources,
                       define_macros=specfile_define_macros,
                       include_dirs=[specfile_include_dir,
                                     numpy.get_include()])
    ext_modules.append(module)


def build_specfit(ext_modules):
    module = Extension(name='PyMca5.PyMcaMath.fitting.SpecfitFuns',
                       sources=glob.glob('PyMca5/PyMcaMath/fitting/specfit/*.c'),
                       define_macros=define_macros,
                       include_dirs=['PyMca5/PyMcaMath/fitting/specfit',
                                     numpy.get_include()])
    ext_modules.append(module)


def build_sps(ext_modules):
    if platform.system() == 'Linux':
        extra_compile_args = ['-pthread']
        # extra_compile_args = []
    elif platform.system() == 'SunOS':
        # extra_compile_args = ['-pthreads']
        extra_compile_args = []
    else:
        extra_compile_args = []

    module = Extension(name='PyMca5.spslut',
                       sources=['PyMca5/PyMcaIO/sps/Src/sps_lut.c',
                                'PyMca5/PyMcaIO/sps/Src/spslut_py.c'],
                       define_macros=define_macros,
                       extra_compile_args=extra_compile_args,
                       include_dirs=['PyMca5/PyMcaIO/sps/Include',
                                     numpy.get_include()])
    ext_modules.append(module)
    if sys.platform != "win32":
        module = Extension(name='PyMca5.PyMcaIO.sps',
                           sources=['PyMca5/PyMcaIO/sps/Src/sps.c',
                                    'PyMca5/PyMcaIO/sps/Src/sps_py.c'],
                           define_macros=define_macros,
                           extra_compile_args=extra_compile_args,
                           include_dirs=['PyMca5/PyMcaIO/sps/Include',
                                         numpy.get_include()])
        ext_modules.append(module)


def build_PyMcaIOHelper(ext_modules):
    module = Extension(name='PyMca5.PyMcaIO.PyMcaIOHelper',
                       sources=glob.glob('PyMca5/PyMcaIO/PyMcaIOHelper/*.c'),
                       define_macros=define_macros,
                       include_dirs=['PyMca5/PyMcaIO/PyMcaIOHelper',
                                     numpy.get_include()])
    ext_modules.append(module)


def build_Object3DCTools(ext_modules):
    includes = [numpy.get_include()]
    if sys.platform == "win32":
        libraries = ['opengl32', 'glu32']
        # include headers missing in microsoft implementation of OpenGL
        includes.append('third-party/khronos_headers')
    elif sys.platform == "darwin":
        libraries = []
    else:
        libraries = ['GL', 'GLU']
    # if sys.platform == 'windows':
    #     WindowsSDK = os.getenv('WindowsSdkDir')
    #     if WindowsSDK is not None:
    #         includes.append(WindowsSDK)

    module = Extension(name='PyMca5.Object3D.Object3DCTools',
                       sources=glob.glob('PyMca5/Object3D/Object3DCTools/*.c'),
                       define_macros=define_macros,
                       libraries=libraries,
                       include_dirs=includes)
    ext_modules.append(module)


def build_Object3DQhull(extensions):
    libraries = []
    sources = ["PyMca5/Object3D/Object3DQhull/Object3DQhull.c"]
    include_dirs = [numpy.get_include()]

    # check if the user provide some information about a system qhull
    # library
    QHULL_CFLAGS = os.getenv("QHULL_CFLAGS")
    QHULL_LIBS = os.getenv("QHULL_LIBS")

    extra_compile_args = []
    extra_link_args = []
    if QHULL_CFLAGS and QHULL_LIBS:
        extra_compile_args += [QHULL_CFLAGS]
        extra_link_args += [QHULL_LIBS]
    else:
        sources += glob.glob("third-party/qhull/src/*.c")
        include_dirs += ["third-party/qhull/src"]

    module = Extension(name='PyMca5.Object3D.Object3DQhull',
                       sources=sources,
                       define_macros=define_macros,
                       libraries=libraries,
                       include_dirs=include_dirs,
                       extra_compile_args=extra_compile_args,
                       extra_link_args=extra_link_args)

    extensions.append(module)


def build_PyMcaSciPy(ext_modules):
    packages.append('PyMca5.PyMcaMath.PyMcaSciPy')
    packages.append('PyMca5.PyMcaMath.PyMcaSciPy.signal')
    module = Extension(name='PyMca5.PyMcaMath.PyMcaSciPy.signal.mediantools',
                       sources=glob.glob('PyMca5/PyMcaMath/PyMcaSciPy/signal/*.c'),
                       define_macros=[],
                       include_dirs=[numpy.get_include()])
    ext_modules.append(module)


def build_plotting_ctools(ext_modules):
    packages.append('PyMca5.PyMcaGraph.ctools')
    basedir = os.path.join('PyMca5', 'PyMcaGraph', 'ctools', '_ctools')
    c_files = [os.path.join(basedir, 'src', 'InsidePolygonWithBounds.c'),
               os.path.join(basedir, 'src', 'MinMaxImpl.c'),
               os.path.join(basedir, 'src', 'Colormap.c')]
    cython_dir = os.path.join(basedir, 'cython')
    if build_ext:
        # delete previously generated code (if any)
        for fname in glob.glob(os.path.join(cython_dir, '*.c')):
            try:
                os.remove(fname)
            except:
                print("Cannot delete previously generated code <%s>" % fname)
                raise
        src = [os.path.join(basedir, 'cython', '_ctools.pyx')]
    else:
        inSrc = os.path.join(cython_dir, 'default', '_ctools.c')
        outSrc = os.path.join(cython_dir, '_ctools.c')
        inFile = open(inSrc, 'rb')
        inLines = inFile.readlines()
        inFile.close()
        if os.path.exists(outSrc):
            outFile = open(outSrc, 'rb')
            outLines = outFile.readlines()
            outFile.close()
            if outLines != inLines:
                os.remove(outSrc)
        if not os.path.exists(outSrc):
            outFile = open(outSrc, 'wb')
            outFile.writelines(inLines)
            outFile.close()
        src = [outSrc]
    src += c_files

    if sys.platform == 'win32':
        extra_compile_args = []
        extra_link_args = []
    else:
        extra_compile_args = []
        extra_link_args = []

    module = Extension(name="PyMca5.PyMcaGraph.ctools._ctools",
                       sources=src,
                       include_dirs=[numpy.get_include(),
                                     os.path.join(basedir, "include")],
                       extra_compile_args=extra_compile_args,
                       extra_link_args=extra_link_args,
                       language="c",)

    ext_modules.append(module)


def build_xas_xas(ext_modules):
    basedir = os.path.join('PyMca5', 'PyMcaPhysics', 'xas', '_xas')
    c_files = [os.path.join(basedir, 'src', 'polspl.c'),
               os.path.join(basedir, 'src', 'bessel0.c')]
    cython_dir = os.path.join(basedir, 'cython')
    if build_ext:
        # delete previously generated code (if any)
        for fname in glob.glob(os.path.join(cython_dir, '*.c')):
            try:
                os.remove(fname)
            except:
                print("Cannot delete previously generated code <%s>" % fname)
                raise
        src = [os.path.join(basedir, 'cython', '_xas.pyx')]
    else:
        inSrc = os.path.join(cython_dir, 'default', '_xas.c')
        inFile = open(inSrc, 'rb')
        inLines = inFile.readlines()
        inFile.close()
        outSrc = os.path.join(cython_dir, '_xas.c')
        if os.path.exists(outSrc):
            outFile = open(outSrc, 'rb')
            outLines = outFile.readlines()
            outFile.close()
            if outLines != inLines:
                os.remove(outSrc)
        if not os.path.exists(outSrc):
            outFile = open(outSrc, 'wb')
            outFile.writelines(inLines)
            outFile.close()
        src = [outSrc]
    src += c_files
    if sys.platform == 'win32':
        extra_compile_args = []
        extra_link_args = []
    else:
        extra_compile_args = []
        extra_link_args = []
    module = Extension(name="PyMca5.PyMcaPhysics.xas._xas",
                       sources=src,
                       include_dirs=[numpy.get_include(),
                                     os.path.join(basedir, "include")],
                       extra_compile_args=extra_compile_args,
                       extra_link_args=extra_link_args,
                       language="c",)
    ext_modules.append(module)


ext_modules = []
if sys.version < '3.0':
    build_FastEdf(ext_modules)
build_specfile(ext_modules)
build_specfit(ext_modules)
build_sps(ext_modules)
build_PyMcaIOHelper(ext_modules)

build_Object3DCTools(ext_modules)
build_Object3DQhull(ext_modules)

build_PyMcaSciPy(ext_modules)
build_plotting_ctools(ext_modules)
build_xas_xas(ext_modules)


class smart_build_py(build_py):
    """Subclass 'build' to patch 'PyMcaDataDir.py'
    """
    def run(self):
        toReturn = build_py.run(self)
        global PYMCA_DATA_DIR
        global PYMCA_DOC_DIR
        global PYMCA_INSTALL_DIR
        install_cmd = self.get_finalized_command('install')
        if (PYMCA_DATA_DIR == defaultDataPath) or (PYMCA_DOC_DIR == defaultDataPath):
            #default, just make sure the complete path is there
            PYMCA_INSTALL_DIR = getattr(install_cmd, 'install_lib')

        # frozen binary: use --install-data directory (absolute path)
        if PYMCA_DATA_DIR == defaultDataPath and "--install-data" in sys.argv:
            PYMCA_DATA_DIR = getattr(install_cmd, 'install_data')
            if not PYMCA_DATA_DIR.endswith(defaultDataPath):
                # append PyMca5/PyMcaData to build/
                PYMCA_DATA_DIR = os.path.join(PYMCA_DATA_DIR,
                                              defaultDataPath)

        # pip install or generic build/install: prepend lib path
        elif PYMCA_DATA_DIR == defaultDataPath or PYMCA_DOC_DIR == defaultDataPath:

            if PYMCA_DATA_DIR == defaultDataPath:
                PYMCA_DATA_DIR = os.path.join(PYMCA_INSTALL_DIR,
                                              PYMCA_DATA_DIR)
            if PYMCA_DOC_DIR == defaultDataPath:
                PYMCA_DOC_DIR = os.path.join(PYMCA_INSTALL_DIR,
                                             PYMCA_DOC_DIR)
        # packager should have provided the complete path as an environment
        # variable in other cases.

        target = os.path.join(self.build_lib, "PyMca5", "PyMcaDataDir.py")
        fid = open(target, 'r')
        content = fid.readlines()
        fid.close()
        fid = open(target, 'w')
        for line in content:
            lineToBeWritten = line
            txt = 'DATA_DIR_FROM_SETUP'
            if txt in line:
                lineToBeWritten = line.replace(txt, PYMCA_DATA_DIR)
            txt = 'DOC_DIR_FROM_SETUP'
            if txt in line:
                lineToBeWritten = line.replace(txt, PYMCA_DOC_DIR)
            fid.write(lineToBeWritten)
        fid.close()
        return toReturn


# smart_install_scripts
class smart_install_scripts(install_scripts):
    if USING_SETUPTOOLS:
        def initialize_options(self):
            self.outfiles = []

        def finalize_options(self):
            pass

        def get_outputs(self):
            return self.outfiles

    def run(self):
        global PYMCA_SCRIPTS_DIR
        global PYMCA_INSTALL_DIR
        # I prefer not to translate the python used during the build
        # process for the case of having an installation on a disk shared
        # by different machines and starting python from a shell script
        # that positions the environment
        from distutils import log
        from stat import ST_MODE
        install_cmd = self.get_finalized_command('install')
        # This is to ignore the --install-scripts keyword
        # I do not know if to leave it optional ...
        if False:
            self.install_dir = os.path.join(getattr(install_cmd, 'install_lib'), 'PyMca5')
            self.install_dir = os.path.join(self.install_dir, 'bin')
        else:
            self.install_dir = getattr(install_cmd, 'install_scripts')
        self.install_data = getattr(install_cmd, 'install_data')
        if "." in self.install_dir:
            self.install_dir = os.path.abspath(self.install_dir)
        if "." in self.install_data:
            self.install_data = os.path.abspath(self.install_data)
        if PYMCA_INSTALL_DIR is not None and "." in PYMCA_INSTALL_DIR:
            PYMCA_INSTALL_DIR = os.path.abspath(PYMCA_INSTALL_DIR)
        PYMCA_SCRIPTS_DIR = self.install_dir
        if sys.platform != "win32":
            print("PyMca scripts to be installed in %s" % self.install_dir)
        self.outfiles = self.copy_tree(self.build_dir, self.install_dir)
        self.outfiles = []
        for filein in glob.glob('PyMca5/scripts/*'):
            filedest = os.path.join(self.install_dir, os.path.basename(filein))
            if os.path.exists(filedest):
                os.remove(filedest)
            moddir = os.path.join(PYMCA_INSTALL_DIR, "PyMca5", "PyMcaGui")
            if 0:
                f = open(filein, 'r')
                modfile = f.readline().replace("\n", "")
                f.close()
            else:
                basename = os.path.basename(filein)
                if basename.startswith('pymcabatch'):
                    modfile = os.path.join("pymca", 'PyMcaBatch.py')
                elif basename.startswith('pymcapostbatch') or\
                     basename.startswith('rgbcorrelator'):
                    modfile = os.path.join("pymca", 'PyMcaPostBatch.py')
                elif basename.startswith('pymcaroitool'):
                    modfile = os.path.join("pymca", 'QStackWidget.py')
                elif basename.startswith('mca2edf'):
                    modfile = os.path.join("pymca", 'Mca2Edf.py')
                elif basename.startswith('edfviewer'):
                    modfile = os.path.join("pymca", 'EdfFileSimpleViewer.py')
                elif basename.startswith('peakidentifier'):
                    modfile = os.path.join("physics", "xrf", 'PeakIdentifier.py')
                elif basename.startswith('elementsinfo'):
                    modfile = os.path.join("physics", "xrf", 'ElementsInfo.py')
                elif basename.startswith('pymca'):
                    modfile = os.path.join("pymca", 'PyMcaMain.py')
                else:
                    print("ignored %s" % filein)
                    continue
            text = "#!/bin/bash\n"
            text += "export PYTHONPATH=%s:${PYTHONPATH}\n" % PYMCA_INSTALL_DIR
            # deal with sys.executables not named python
            text += "exec %s %s $*\n" % (sys.executable,
                                         os.path.join(moddir, modfile))

            f = open(filedest, 'w')
            f.write(text)
            f.close()
            # self.copy_file(filein, filedest)
            self.outfiles.append(filedest)
        if os.name == 'posix':
            # Set the executable bits (owner, group, and world) on
            # all the scripts we just installed.
            for ffile in self.get_outputs():
                if self.dry_run:
                    log.info("changing mode of %s", ffile)
                else:
                    # python 2.5 does not accept next line
                    # mode = ((os.stat(ffile)[ST_MODE]) | 0o555) & 0o7777
                    mode = ((os.stat(ffile)[ST_MODE]) | 365) & 4095
                    log.info("changing mode of %s to %o", ffile, mode)
                    os.chmod(ffile, mode)


# man pages handling
def abspath(*path):
    """A method to determine absolute path for a given relative path to the
    directory where this setup.py script is located"""
    setup_dir = os.path.dirname(os.path.abspath(__file__))
    return os.path.join(setup_dir, *path)


class install_man(Command):

    user_options = [
        ('install-dir=', 'd', 'base directory for installing man page files')]

    def initialize_options(self):
        self.install_dir = None
        if USING_SETUPTOOLS:
            self.outfiles = []

    def finalize_options(self):
        self.set_undefined_options('install',
                                   ('install_man', 'install_dir'))

    if USING_SETUPTOOLS:
        def get_outputs(self):
            return self.outfiles

    def run(self):
        if self.install_dir is None:
            return
        src_man_dir = abspath('doc', 'man')
        man_elems = os.listdir(src_man_dir)
        man_pages = []
        for f in man_elems:
            f = os.path.join(src_man_dir, f)
            if not os.path.isfile(f):
                continue
            if not f.endswith(".1"):
                continue
            man_pages.append(f)

        install_dir = os.path.join(self.install_dir, 'man1')

        if not os.path.isdir(install_dir):
            os.makedirs(install_dir)

        for man_page in man_pages:
            self.copy_file(man_page, install_dir)


class install(dftinstall):

    user_options = list(dftinstall.user_options)
    user_options.extend([
        ('install-man=', None, 'installation directory for Unix man pages')])

    def initialize_options(self):
        self.install_man = None
        dftinstall.initialize_options(self)

    def finalize_options(self):
        # We do a hack here. We cannot trust the 'install_base' value because it
        # is not always the final target. For example, in unix, the install_base
        # is '/usr' and all other install_* are directly relative to it. However,
        # in unix-local (like ubuntu) install_base is still '/usr' but, for
        # example, install_data, is '$install_base/local' which breaks everything.
        #
        # The hack consists in using install_data instead of install_base since
        # install_data seems to be, in practice, the proper install_base on all
        # different systems.
        dftinstall.finalize_options(self)
        if os.name != "posix":
            if self.install_man is not None:
                self.warn("install-man option ignored on this platform")
                self.install_man = None
        else:
            if self.install_man is None:
                if not USE_SMART_INSTALL_SCRIPTS:
                    # if one is installing the scripts somewhere else
                    # he can be smart enough to pass install_man
                    self.install_man = os.path.join(self.install_data,
                                                    'share', 'man')
        if self.install_man is not None:
            if not os.path.exists(self.install_man):
                try:
                    os.makedirs(self.install_man)
                except:
                    # we'll get the error in the next check
                    pass
            # check if we can write
            if not os.access(self.install_man, os.W_OK):
                print("********************************")
                print("")
                print("No permission to write man pages")
                print("")
                print("********************************")
                self.install_man = None
        self.dump_dirs("Installation directories")

    def expand_dirs(self):
        dftinstall.expand_dirs(self)
        self._expand_attrs(['install_man'])

    def has_man(self):
        return os.name == "posix"

    sub_commands = list(dftinstall.sub_commands)
    sub_commands.append(('install_man', has_man))


class sdist_debian(sdist):
    """
    Tailor made sdist for debian
    * remove auto-generated doc
    * remove cython generated .c files
    * remove cython generated .cpp files
    * remove .bat files
    * include .l man files
    """
    @staticmethod
    def get_debian_name():
        import version
        name = "%s_%s" % ("PyMca5", version.debianversion)
        return name

    def prune_file_list(self):
        sdist.prune_file_list(self)
        to_remove = ["doc/build", "doc/pdf", "doc/html", "pylint", "epydoc"]
        print("Removing files for debian")
        for rm in to_remove:
            self.filelist.exclude_pattern(pattern="*", anchor=False, prefix=rm)

        # this is for Cython files specifically: remove C & html files
        search_root = os.path.dirname(os.path.abspath(__file__))
        for root, _, files in os.walk(search_root):
            for afile in files:
                if os.path.splitext(afile)[1].lower() == ".pyx":
                    base_file = os.path.join(root, afile)[len(search_root) + 1:-4]
                    self.filelist.exclude_pattern(pattern=base_file + ".c")
                    self.filelist.exclude_pattern(pattern=base_file + ".cpp")
                    self.filelist.exclude_pattern(pattern=base_file + ".html")

    def make_distribution(self):
        self.prune_file_list()
        sdist.make_distribution(self)
        dest = self.archive_files[0]
        dirname, basename = os.path.split(dest)
        base, ext = os.path.splitext(basename)
        while ext in [".zip", ".tar", ".bz2", ".gz", ".Z", ".lz", ".orig"]:
            base, ext = os.path.splitext(base)

        debian_arch = os.path.join(dirname, self.get_debian_name() + ".orig.tar.gz")
        os.rename(self.archive_files[0], debian_arch)
        self.archive_files = [debian_arch]
        print("Building debian .orig.tar.gz in %s" % self.archive_files[0])


# end of man pages handling
cmdclass = {'install_data': install_data,
            'build_py': smart_build_py}
if build_ext is not None:
    cmdclass['build_ext'] = build_ext

if USE_SMART_INSTALL_SCRIPTS:
    # typical use of user without superuser privileges
    cmdclass['install_scripts'] = smart_install_scripts

if os.name == "posix":
    cmdclass['install'] = install
    cmdclass['install_man'] = install_man
    cmdclass['debian_src'] = sdist_debian


description = "Mapping and X-Ray Fluorescence Analysis"
long_description = """Stand-alone application and Python tools for interactive and/or batch processing analysis of X-Ray Fluorescence Spectra. Graphical user interface (GUI) and batch processing capabilities provided
"""

#######################
# build_doc commands #
#######################

try:
    import sphinx
    import sphinx.util.console
    sphinx.util.console.color_terminal = lambda: False
    from sphinx.setup_command import BuildDoc
except:
    sphinx = None

if sphinx:
    class build_doc(BuildDoc):

        def run(self):

            # make sure the python path is pointing to the newly built
            # code so that the documentation is built on this and not a
            # previously installed version

            build = self.get_finalized_command('build')
            sys.path.insert(0, os.path.abspath(build.build_lib))

            # Build the Users Guide in HTML and TeX format
            for builder in ('html', 'latex'):
                self.builder = builder
                self.builder_target_dir = os.path.join(self.build_dir, builder)
                self.mkpath(self.builder_target_dir)
                BuildDoc.run(self)
            sys.path.pop(0)
    cmdclass['build_doc'] = build_doc

classifiers = ["Development Status :: 5 - Production/Stable",
               "Programming Language :: Python :: 2",
               "Programming Language :: Python :: 3",
               "Intended Audience :: Developers",
               "Intended Audience :: End Users/Desktop",
               "Intended Audience :: Science/Research",
               "License :: OSI Approved :: MIT License",
               "Topic :: Software Development :: Libraries :: Python Modules",
               "Operating System :: Microsoft :: Windows",
               "Operating System :: Unix",
               "Operating System :: MacOS :: MacOS X",
               "Operating System :: POSIX",
               "Topic :: Scientific/Engineering :: Chemistry",
               "Topic :: Scientific/Engineering :: Physics",
               "Topic :: Scientific/Engineering :: Visualization",
               ]

# install requires for non-GUI usage
install_requires = ["numpy",
                    "matplotlib>1.0",
                    "fisx>=1.1.4",
                    "h5py"]
if use_gui():
    # install requires with all easy-to-provide GUI functionality
    # please take a look at requirements.txt for detailed explanation
    install_requires += ["PyOpenGL",
                         "qtconsole",
                         "PyQt5",   # either PyQt4 or PySide supported too
                         "silx>=0.8"]

setup_requires = ["numpy"]

distrib = setup(name="PyMca5",
                version=__version__,
                description=description,
                author="V. Armando Sole",
                author_email="sole@esrf.fr",
                license="MIT",
                url="http://pymca.sourceforge.net",
                download_url="https://github.com/vasole/pymca/archive/v%s.tar.gz" % __version__,
                long_description=long_description,
                packages=packages,
                platforms='any',
                ext_modules=ext_modules,
                data_files=data_files,
                package_data=package_data,
                cmdclass=cmdclass,
                scripts=script_files,
                classifiers=classifiers,
                install_requires=install_requires,
                setup_requires=setup_requires,
                )

try:
    print("PyMca is installed in %s " % PYMCA_INSTALL_DIR)
    print("PyMca data files are installed in %s " % PYMCA_DATA_DIR)
    print("HTML help files are installed in %s " % PYMCA_DOC_DIR)
except:
    #I really do not see how this may happen but ...
    pass



