import imp
import io
import sys
from os import path
from setuptools import setup, find_packages, Extension

VERSION = imp.load_source('version', path.join('.', 'falcon', 'version.py'))
VERSION = VERSION.__version__

# NOTE(kgriffs): python-mimeparse is newer than mimeparse, supports Py3
# TODO(kgriffs): Fork and optimize/modernize python-mimeparse
REQUIRES = ['six', 'python-mimeparse']
if sys.version_info < (2, 7):
    REQUIRES.append('ordereddict')

PYPY = True
CYTHON = False
try:
    sys.pypy_version_info
except AttributeError:
    PYPY = False

if not PYPY:
    try:
        from Cython.Distutils import build_ext
        CYTHON = True
    except ImportError:
        print('\nWARNING: Cython not installed. '
              'Falcon modules will still work fine, but will run '
              'a bit slower.\n')
        CYTHON = False

if CYTHON:
    ext_names = (
        'api',
        'api_helpers',
        'request',
        'request_helpers',
        'response',
        'response_helpers',
        'responders',
        'http_error',
        'exceptions'
    )

    cmdclass = {'build_ext': build_ext}
    ext_modules = [
        Extension('falcon.' + ext, [path.join('falcon', ext + '.py')])
        for ext in ext_names]
else:
    cmdclass = {}
    ext_modules = []

setup(
    name='falcon',
    version=VERSION,
    description='An unladen web framework for building APIs and app backends.',
    long_description=io.open('README.rst', 'r', encoding='utf-8').read(),
    classifiers=[
        'Development Status :: 5 - Production/Stable',
        'Environment :: Web Environment',
        'Natural Language :: English',
        'Intended Audience :: Developers',
        'Intended Audience :: System Administrators',
        'License :: OSI Approved :: Apache Software License',
        'Operating System :: MacOS :: MacOS X',
        'Operating System :: Microsoft :: Windows',
        'Operating System :: POSIX',
        'Topic :: Internet :: WWW/HTTP :: WSGI',
        'Topic :: Software Development :: Libraries :: Application Frameworks',
        'Programming Language :: Python',
        'Programming Language :: Python :: Implementation :: CPython',
        'Programming Language :: Python :: Implementation :: PyPy',
        'Programming Language :: Python :: 2.6',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3.3',
    ],
    keywords='wsgi web api framework rest http cloud',
    author='Kurt Griffiths',
    author_email='mail@kgriffs.com',
    url='http://falconframework.org',
    license='Apache 2.0',
    packages=find_packages(exclude=['*.tests']),
    include_package_data=True,
    zip_safe=False,
    install_requires=REQUIRES,
    setup_requires=[],
    cmdclass=cmdclass,
    ext_modules=ext_modules,
    test_suite='nose.collector',
    entry_points={
        'console_scripts': [
            'falcon-bench = falcon.cmd.bench:main'
        ]
    }
)