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import os
import sys
from setuptools import setup, Command

with open('VERSION.txt') as ff:
    VERSION = ff.read().strip()

# set dependencies
with open('requirements.txt') as ff:
    INSTALL_REQUIRES = [line.strip() for line in ff]

KEYWORDS = [
    'woudc',
    'ozone',
    'uv',
    'ultra-violet',
    'WMO',
]

DESCRIPTION = '''High level package providing Pythonic access
to WMO WOUDC data services'''

try:
    import pypandoc
    LONG_DESCRIPTION = pypandoc.convert('README.md', 'rst')
except(IOError, ImportError, OSError):
    with open('README.md') as f:
        LONG_DESCRIPTION = f.read()

CONTACT = 'Meteorological Service of Canada'

EMAIL = 'tom.kralidis@canada.ca'

SCRIPTS = []

URL = 'https://github.com/woudc/pywoudc'

# ensure a fresh MANIFEST file is generated
if (os.path.exists('MANIFEST')):
    os.unlink('MANIFEST')


class PyTest(Command):
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        import subprocess
        errno = subprocess.call([sys.executable, 'tests/run_tests.py'])
        raise SystemExit(errno)


# from https://wiki.python.org/moin/Distutils/Cookbook/AutoPackageDiscovery
def is_package(path):
    """decipher whether path is a Python package"""

    return (
        os.path.isdir(path) and
        os.path.isfile(os.path.join(path, '__init__.py'))
    )


def find_packages(path, base=''):
    """Find all packages in path"""

    packages = {}
    for item in os.listdir(path):
        dirname = os.path.join(path, item)
        if is_package(dirname):
            if base:
                module_name = '%(base)s.%(item)s' % vars()
            else:
                module_name = item
            packages[module_name] = dirname
            packages.update(find_packages(dirname, module_name))
    return packages


setup(
    name='pywoudc',
    version=VERSION,
    description=DESCRIPTION.strip(),
    long_description=LONG_DESCRIPTION,
    license='MIT',
    platforms='all',
    keywords=' '.join(KEYWORDS),
    author=CONTACT,
    author_email=EMAIL,
    maintainer=CONTACT,
    maintainer_email=EMAIL,
    url=URL,
    install_requires=INSTALL_REQUIRES,
    packages=find_packages('.'),
    # package_data=PACKAGE_DATA,
    scripts=SCRIPTS,
    classifiers=[
        'Development Status :: 4 - Beta',
        'Environment :: Console',
        'Intended Audience :: Developers',
        'Intended Audience :: Science/Research',
        'License :: OSI Approved :: MIT License',
        'Operating System :: OS Independent',
        'Programming Language :: Python',
        'Topic :: Scientific/Engineering :: Atmospheric Science',
        'Topic :: Scientific/Engineering :: GIS'
    ],
    cmdclass={'test': PyTest},
    test_suite='tests.run_tests'
)
