File: setup.py

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#!/usr/bin/env python
#-*- coding: utf-8 -*-

import os
import sys
import subprocess


MAJOR = 0
MINOR = 3
MICRO = 0
ISRELEASED = True
VERSION = '%d.%d.%d' % (MAJOR, MINOR, MICRO)


# Return the git revision as a string
def git_version():
    def _minimal_ext_cmd(cmd):
        # construct minimal environment
        env = {}
        for k in ['SYSTEMROOT', 'PATH']:
            v = os.environ.get(k)
            if v is not None:
                env[k] = v
        # LANGUAGE is used on win32
        env['LANGUAGE'] = 'C'
        env['LANG'] = 'C'
        env['LC_ALL'] = 'C'
        out = subprocess.Popen(cmd, stdout=subprocess.PIPE,
                               env=env).communicate()[0]
        return out

    try:
        out = _minimal_ext_cmd(['git', 'rev-parse', 'HEAD'])
        GIT_REVISION = out.strip().decode('ascii')
    except OSError:
        GIT_REVISION = "Unknown"

    return GIT_REVISION


def get_version_info():
    # Adding the git rev number needs to be done inside
    # write_version_py(), otherwise the import of pywt.version messes
    # up the build under Python 3.
    FULLVERSION = VERSION
    if os.path.exists('pywt/version.py'):
        # must be a source distribution, use existing version file
        # load it as a separate module to not load pywt/__init__.py
        import imp
        version = imp.load_source('pywt.version', 'pywt/version.py')
        GIT_REVISION = version.git_revision
    else:
        GIT_REVISION = "Unknown"

    if not ISRELEASED:
        FULLVERSION += '.dev0+' + GIT_REVISION[:7]

    return FULLVERSION, GIT_REVISION


def write_version_py(filename='pywt/version.py'):
    cnt = """
# THIS FILE IS GENERATED FROM PYWAVELETS SETUP.PY
short_version = '%(version)s'
version = '%(version)s'
full_version = '%(full_version)s'
git_revision = '%(git_revision)s'
release = %(isrelease)s

if not release:
    version = full_version
"""
    FULLVERSION, GIT_REVISION = get_version_info()

    a = open(filename, 'w')
    try:
        a.write(cnt % {'version': VERSION,
                       'full_version': FULLVERSION,
                       'git_revision': GIT_REVISION,
                       'isrelease': str(ISRELEASED)})
    finally:
        a.close()


# BEFORE importing distutils, remove MANIFEST. distutils doesn't properly
# update it when the contents of directories change.
if os.path.exists('MANIFEST'):
    os.remove('MANIFEST')


if sys.platform == "darwin":
    # Don't create resource files on OS X tar.
    os.environ["COPY_EXTENDED_ATTRIBUTES_DISABLE"] = "true"
    os.environ["COPYFILE_DISABLE"] = "true"


setup_args = {}


def expand_src_templates():
    cwd = os.path.abspath(os.path.dirname(__file__))
    print("Expanding templates")
    p = subprocess.call([sys.executable,
                          os.path.join(cwd, 'util', 'templating_src.py'),
                          'pywt'],
                         cwd=cwd)
    if p != 0:
        raise RuntimeError("Expanding templates failed!")


def generate_cython():
    cwd = os.path.abspath(os.path.dirname(__file__))
    print("Cythonizing sources")
    p = subprocess.call([sys.executable,
                          os.path.join(cwd, 'util', 'cythonize.py'),
                          'pywt'],
                         cwd=cwd)
    if p != 0:
        raise RuntimeError("Running cythonize failed!")


def configuration(parent_package='',top_path=None):
    from numpy.distutils.misc_util import Configuration
    config = Configuration(None, parent_package, top_path)
    config.set_options(ignore_setup_xxx_py=True,
                       assume_default_configuration=True,
                       delegate_options_to_subpackages=True,
                       quiet=True)

    config.add_subpackage('pywt')

    config.get_version('pywt/version.py')
    return config


def setup_package():

    # Rewrite the version file everytime
    write_version_py()

    metadata = dict(
        name="PyWavelets",
        maintainer="The PyWavelets Developers",
        maintainer_email="http://groups.google.com/group/pywavelets",
        url="https://github.com/PyWavelets/pywt",
        download_url="https://github.com/PyWavelets/pywt/releases",
        license="MIT",
        description="PyWavelets, wavelet transform module",
        long_description="""\
        PyWavelets is a Python wavelet transforms module that includes:

        * 1D and 2D Forward and Inverse Discrete Wavelet Transform (DWT and IDWT)
        * 1D and 2D Stationary Wavelet Transform (Undecimated Wavelet Transform)
        * 1D and 2D Wavelet Packet decomposition and reconstruction
        * Computing Approximations of wavelet and scaling functions
        * Over seventy built-in wavelet filters and support for custom wavelets
        * Single and double precision calculations
        * Results compatibility with Matlab Wavelet Toolbox (tm)
        """,
        keywords=["wavelets", "wavelet transform", "DWT", "SWT", "scientific"],
        classifiers=[
            "Development Status :: 5 - Production/Stable",
            "Intended Audience :: Developers",
            "Intended Audience :: Education",
            "Intended Audience :: Science/Research",
            "License :: OSI Approved :: MIT License",
            "Operating System :: OS Independent",
            "Programming Language :: C",
            "Programming Language :: Python",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 2.6",
            "Programming Language :: Python :: 2.7",
            "Programming Language :: Python :: 3.3",
            "Programming Language :: Python :: 3.4",
            "Programming Language :: Python :: 3.5",
            "Topic :: Software Development :: Libraries :: Python Modules"
        ],
        platforms=["Windows", "Linux", "Solaris", "Mac OS-X", "Unix"],
        test_suite='nose.collector',
        cmdclass={},
        **setup_args
    )
    if len(sys.argv) >= 2 and ('--help' in sys.argv[1:] or
            sys.argv[1] in ('--help-commands', 'egg_info', '--version',
                            'clean')):
        # For these actions, NumPy is not required.
        #
        # They are required to succeed without Numpy for example when
        # pip is used to install PyWavelets when Numpy is not yet present in
        # the system.
        try:
            from setuptools import setup
        except ImportError:
            from distutils.core import setup

        FULLVERSION, GIT_REVISION = get_version_info()
        metadata['version'] = FULLVERSION
    else:
        if (len(sys.argv) >= 2 and sys.argv[1] == 'bdist_wheel') or (
                    'develop' in sys.argv):
            # bdist_wheel needs setuptools
            import setuptools

        from numpy.distutils.core import setup

        cwd = os.path.abspath(os.path.dirname(__file__))
        if not os.path.exists(os.path.join(cwd, 'PKG-INFO')):
            # Generate Cython sources, unless building from source release
            expand_src_templates()
            generate_cython()

    metadata['configuration'] = configuration

    setup(**metadata)


if __name__ == '__main__':
    setup_package()