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

import os
import re
import shutil
import sys

from setuptools import setup


def get_version(package):
    """
    Return package version as listed in `__version__` in `init.py`.
    """
    with open(os.path.join(package, '__init__.py'), 'rb') as init_py:
        src = init_py.read().decode('utf-8')
        return re.search("__version__ = ['\"]([^'\"]+)['\"]", src).group(1)


name = 'skurt-djangorestframework-jwt'
version = get_version('skurt_rest_framework_jwt')
package = 'skurt_rest_framework_jwt'
description = 'JSON Web Token based authentication for Django REST framework'
url = 'https://github.com/skurtapp/django-rest-framework-jwt'
author = 'Jose Padilla'
author_email = 'jpadilla@getblimp.com'
license = 'MIT'
install_requires = [
    'PyJWT>=1.4.0,<2.0.0'
]


def read(*paths):
    """
    Build a file path from paths and return the contents.
    """
    with open(os.path.join(*paths), 'r') as f:
        return f.read()


def get_packages(package):
    """
    Return root package and all sub-packages.
    """
    return [dirpath
            for dirpath, dirnames, filenames in os.walk(package)
            if os.path.exists(os.path.join(dirpath, '__init__.py'))]


def get_package_data(package):
    """
    Return all files under the root package, that are not in a
    package themselves.
    """
    walk = [(dirpath.replace(package + os.sep, '', 1), filenames)
            for dirpath, dirnames, filenames in os.walk(package)
            if not os.path.exists(os.path.join(dirpath, '__init__.py'))]

    filepaths = []
    for base, filenames in walk:
        filepaths.extend([os.path.join(base, filename)
                          for filename in filenames])
    return {package: filepaths}


if sys.argv[-1] == 'publish':
    if os.system('pip freeze | grep wheel'):
        print('wheel not installed.\nUse `pip install wheel`.\nExiting.')
        sys.exit()
    if os.system('pip freeze | grep twine'):
        print('twine not installed.\nUse `pip install twine`.\nExiting.')
        sys.exit()
    os.system('python setup.py sdist bdist_wheel')
    os.system('twine upload dist/*')
    shutil.rmtree('dist')
    shutil.rmtree('build')
    shutil.rmtree('skurt_djangorestframework_jwt.egg-info')
    print('You probably want to also tag the version now:')
    print("  git tag -a {0} -m 'version {0}'".format(version))
    print('  git push --tags')
    sys.exit()


setup(
    name=name,
    version=version,
    url=url,
    license=license,
    description=description,
    long_description=read('README.rst'),
    author=author,
    author_email=author_email,
    packages=get_packages(package),
    package_data=get_package_data(package),
    install_requires=install_requires,
    classifiers=[
        'Development Status :: 5 - Production/Stable',
        'Environment :: Web Environment',
        'Framework :: Django',
        'Intended Audience :: Developers',
        'License :: OSI Approved :: MIT License',
        'Operating System :: OS Independent',
        'Programming Language :: Python',
        'Programming Language :: Python :: 2',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.3',
        'Programming Language :: Python :: 3.4',
        'Topic :: Internet :: WWW/HTTP',
    ]
)
