#!/usr/bin/env python
import semver as package
from glob import glob
from os import remove
from os.path import dirname, join
from setuptools import setup
from setuptools.command.test import test as TestCommand
from shlex import split
from shutil import rmtree


class Tox(TestCommand):
    user_options = [('tox-args=', 'a', "Arguments to pass to tox")]

    def initialize_options(self):
        TestCommand.initialize_options(self)
        self.tox_args = None

    def finalize_options(self):
        TestCommand.finalize_options(self)
        self.test_args = []
        self.test_suite = True

    def run_tests(self):
        from tox import cmdline
        args = self.tox_args
        if args:
            args = split(self.tox_args)
        errno = cmdline(args=args)
        exit(errno)


class Clean(TestCommand):
    def run(self):
        delete_in_root = [
            'build',
            '.cache',
            'dist',
            '.eggs',
            '*.egg-info',
            '.tox',
        ]
        delete_everywhere = [
            '__pycache__',
            '*.pyc',
        ]
        for candidate in delete_in_root:
            rmtree_glob(candidate)
        for visible_dir in glob('[A-Za-z0-9]*'):
            for candidate in delete_everywhere:
                rmtree_glob(join(visible_dir, candidate))
                rmtree_glob(join(visible_dir, '*', candidate))


def rmtree_glob(file_glob):
    for fobj in glob(file_glob):
        try:
            rmtree(fobj)
            print('%s/ removed ...' % fobj)
        except OSError:
            try:
                remove(fobj)
                print('%s removed ...' % fobj)
            except OSError:
                pass


def read_file(filename):
    with open(join(dirname(__file__), filename)) as f:
        return f.read()


setup(
    name=package.__name__,
    version=package.__version__,
    description=package.__doc__.strip(),
    long_description=read_file('README.rst'),
    author=package.__author__,
    author_email=package.__author_email__,
    url='https://github.com/k-bx/python-semver',
    download_url='https://github.com/k-bx/python-semver/downloads',
    py_modules=[package.__name__],
    include_package_data=True,
    license='BSD',
    classifiers=[
        'Environment :: Web Environment',
        'Intended Audience :: Developers',
        'License :: OSI Approved :: BSD License',
        'Operating System :: OS Independent',
        'Programming Language :: Python',
        'Programming Language :: Python :: 2',
        'Programming Language :: Python :: 2.6',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.2',
        'Programming Language :: Python :: 3.3',
        'Programming Language :: Python :: 3.4',
        'Programming Language :: Python :: 3.5',
        'Topic :: Software Development :: Libraries :: Python Modules',
    ],
    tests_require=['tox', 'virtualenv<14.0.0'],
    cmdclass={
        'clean': Clean,
        'test': Tox,
    },
)