setup.py

from setuptools import setup
import sys, os

if not os.environ.get("CIRCLE_USERNAME", None):
 if not sys.version_info >= (3, 4, 0):
 sys.exit("Sorry, this library requires Python 3.4 or higher.")


setup(
 name='ButterflyNet',
 version='1.1.0',
 packages={'bfnet', 'bfnet.packets'},
 url='https://butterflynet.veriny.tf',
 license='LGPLv3',
 author='Isaac Dickinson',
 author_email='eyesismine@gmail.com',
 description='A better networking library.',
 classifiers=[
 "Development Status :: 4 - Beta",
 "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
 "Programming Language :: Python :: 3 :: Only",
 "Programming Language :: Python :: 3.4",
 "Programming Language :: Python :: 3.5",
 "Topic :: Internet",
 "Topic :: Software Development :: Libraries"
 ],
 tests_require=["pytest", "tox", "tox-pyenv"],
 setup_requires=['pytest-runner'],
 install_requires=["msgpack-python"]
)