#!/usr/bin/env python

import os
from io import open
# Always prefer setuptools over distutils
from setuptools import setup, find_packages

try:
    import builtins
except ImportError:
    import __builtin__ as builtins

# https://packaging.python.org/guides/single-sourcing-package-version/
# http://blog.ionelmc.ro/2014/05/25/python-packaging/

PATH_ROOT = os.path.dirname(__file__)
builtins.__LIGHTNING_SETUP__ = True

import pytorch_lightning  # noqa: E402


def load_requirements(path_dir=PATH_ROOT, comment_char='#'):
    with open(os.path.join(path_dir, 'requirements.txt'), 'r') as file:
        lines = [ln.strip() for ln in file.readlines()]
    reqs = []
    for ln in lines:
        # filer all comments
        if comment_char in ln:
            ln = ln[:ln.index(comment_char)]
        if ln:  # if requirement is not empty
            reqs.append(ln)
    return reqs


# https://packaging.python.org/discussions/install-requires-vs-requirements /
# keep the meta-data here for simplicity in reading this file... it's not obvious
# what happens and to non-engineers they won't know to look in init ...
# the goal of the project is simplicity for researchers, don't want to add too much
# engineer specific practices
setup(
    name='pytorch-lightning',
    version=pytorch_lightning.__version__,
    description=pytorch_lightning.__docs__,
    author=pytorch_lightning.__author__,
    author_email=pytorch_lightning.__author_email__,
    url=pytorch_lightning.__homepage__,
    download_url='https://github.com/PyTorchLightning/pytorch-lightning',
    license=pytorch_lightning.__license__,
    packages=find_packages(exclude=['tests']),

    long_description=open('README.md', encoding='utf-8').read(),
    long_description_content_type='text/markdown',
    include_package_data=True,
    zip_safe=False,

    keywords=['deep learning', 'pytorch', 'AI'],
    python_requires='>=3.6',
    setup_requires=[],
    install_requires=load_requirements(PATH_ROOT),

    classifiers=[
        'Environment :: Console',
        'Natural Language :: English',
        # How mature is this project? Common values are
        #   3 - Alpha, 4 - Beta, 5 - Production/Stable
        'Development Status :: 4 - Beta',
        # Indicate who your project is intended for
        'Intended Audience :: Developers',
        'Topic :: Scientific/Engineering :: Artificial Intelligence',
        'Topic :: Scientific/Engineering :: Image Recognition',
        'Topic :: Scientific/Engineering :: Information Analysis',
        # Pick your license as you wish
        'License :: OSI Approved :: BSD License',
        'Operating System :: OS Independent',
        # Specify the Python versions you support here. In particular, ensure
        # that you indicate whether you support Python 2, Python 3 or both.
        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.6',
        'Programming Language :: Python :: 3.7',
    ],
)