setup.py

from distutils.cmd import Command
from distutils.core import setup
from distutils.command.sdist import sdist as _sdist
from distutils.command.build import build as _build
import os


class data(Command):

    description = "Convert the NIST databas of constants"

    user_options = []

    boolean_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        with open('quantities/constants/NIST_codata.txt') as f:
            data = f.read()
        data = data.split('\n')[10:-1]

        with open('quantities/constants/_codata.py', 'w') as f:
            f.write('# THIS FILE IS AUTOMATICALLY GENERATED\n')
            f.write('# ANY CHANGES MADE HERE WILL BE LOST\n\n')
            f.write('physical_constants = {}\n\n')
            for line in data:
                name = line[:55].rstrip().replace('mag.','magnetic')
                name = name.replace('mom.', 'moment')
                val = line[55:77].replace(' ','').replace('...','')
                prec = line[77:99].replace(' ','').replace('(exact)', '0')
                unit = line[99:].rstrip().replace(' ', '*').replace('^', '**')
                d = "{'value': %s, 'precision': %s, 'units': '%s'}" \
                    %(val, prec, unit)
                f.write("physical_constants['%s'] = %s\n"%(name, d))


class sdist(_sdist):

    def run(self):
        self.run_command('data')
        _sdist.run(self)


class build(_build):

    def run(self):
        self.run_command('data')
        _build.run(self)


class test(Command):

    """Run the test suite."""

    description = "Run the test suite"

    user_options = [('verbosity=', 'V', 'set test report verbosity')]

    def initialize_options(self):
        self.verbosity = 0

    def finalize_options(self):
        try:
            self.verbosity = int(self.verbosity)
        except ValueError:
            raise ValueError('verbosity must be an integer.')

    def run(self):
        import sys
        if sys.version.startswith('2.6') or sys.version.startswith('3.1'):
            import unittest2 as unittest
        else:
            import unittest
        suite = unittest.TestLoader().discover('.')
        unittest.TextTestRunner(verbosity=self.verbosity+1).run(suite)


packages = []
for dirpath, dirnames, filenames in os.walk('quantities'):
    if '__init__.py' in filenames:
        packages.append('.'.join(dirpath.split(os.sep)))
    else:
        del(dirnames[:])

with open('quantities/version.py') as f:
    for line in f:
        if line.startswith('__version__'):
            exec(line)

setup(
    author = 'Darren Dale',
    author_email = 'dsdale24@gmail.com',
    classifiers = """Development Status :: 4 - Beta
        Environment :: Console
        Intended Audience :: Developers
        Intended Audience :: Education
        Intended Audience :: End Users/Desktop
        Intended Audience :: Science/Research
        License :: OSI Approved :: BSD License
        Operating System :: OS Independent
        Programming Language :: Python
        Topic :: Education
        Topic :: Scientific/Engineering
        """,
    cmdclass = {
        'build': build,
        'data': data,
        'sdist': sdist,
        'test': test,
        },
    description = "Support for physical quantities with units, based on numpy",
    download_url = "http://pypi.python.org/pypi/quantities",
    keywords = ['quantities', 'units', 'physical', 'constants'],
    license = 'BSD',
    long_description = """Quantities is designed to handle arithmetic and
    conversions of physical quantities, which have a magnitude, dimensionality
    specified by various units, and possibly an uncertainty. See the tutorial_
    for examples. Quantities builds on the popular numpy library and is
    designed to work with numpy ufuncs, many of which are already
    supported. Quantities is actively developed, and while the current features
    and API are stable, test coverage is incomplete so the package is not
    suggested for mission-critical applications.

    .. _tutorial: http://packages.python.org/quantities/user/tutorial.html
    """,
    name = 'quantities',
    packages = packages,
    platforms = 'Any',
    requires = [
        'python (>=2.6.0)',
        'numpy (>=1.4.0)',
        ],
    url = 'http://packages.python.org/quantities',
    version = __version__,
)