setup.py

#!/usr/bin/env python
import io
import re
import os
from setuptools import setup, find_packages


def read(*filenames, **kwargs):
    encoding = kwargs.get('encoding', 'utf-8')
    sep = kwargs.get('sep', os.linesep)
    buf = []
    for filename in filenames:
        with io.open(filename, encoding=encoding) as f:
            buf.append(f.read())
    return sep.join(buf)


def read_requirements(req='base.txt'):
    content = read(os.path.join('requirements', req))
    return [line for line in content.split(os.linesep)
            if not line.strip().startswith('#')]


def read_version():
    content = read(os.path.join(
        os.path.dirname(__file__), 'aws_lambda_builders', '__init__.py'))
    return re.search(r"__version__ = '([^']+)'", content).group(1)


cmd_name = "lambda-builders"
if os.getenv("LAMBDA_BUILDERS_DEV"):
    # We are installing in a dev environment
    cmd_name = "lambda-builders-dev"

setup(
    name='aws_lambda_builders',
    version=read_version(),
    description=(
        'Python library to compile, build & package AWS Lambda functions for '
        'several runtimes & frameworks.'
    ),
    long_description=read('README.md'),
    author='Amazon Web Services',
    author_email='aws-sam-developers@amazon.com',
    url='https://github.com/awslabs/aws-lambda-builders',
    license='Apache License 2.0',
    packages=find_packages(exclude=['tests.*', 'tests']),
    keywords="AWS Lambda Functions Building",
    # Support Python 2.7 and 3.6 or greater
    python_requires=(
        '>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*'
    ),
    entry_points={
        'console_scripts': [
            '{}=aws_lambda_builders.__main__:main'.format(cmd_name)
        ]
    },
    install_requires=read_requirements('base.txt') + read_requirements("python_pip.txt"),
    extras_require={
        'dev': read_requirements('dev.txt')
    },
    include_package_data=True,
    classifiers=[
        'Development Status :: 4 - Beta',
        'Environment :: Console',
        'Environment :: Other Environment',
        'Intended Audience :: Developers',
        'Intended Audience :: Information Technology',
        'License :: OSI Approved :: Apache Software License',
        'Operating System :: OS Independent',
        'Programming Language :: Python',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3.6',
        'Programming Language :: Python :: 3.7',
        'Topic :: Internet',
        'Topic :: Software Development :: Build Tools',
        'Topic :: Utilities',
    ]
)