setup.py

from setuptools import setup
from setuptools.command.install_lib import install_lib
from setuptools.command.build_py import build_py
from os import path
import sys
import re


def _not_async(filepath):
    return filepath.find('aio/') < 0


# Do not copy async module for Python 3.3 or below.
class nocopy_async(build_py):
    def find_all_modules(self):
        modules = build_py.find_all_modules(self)
        modules = list(filter(lambda m: _not_async(m[-1]), modules))
        return modules

    def find_package_modules(self, package, package_dir):
        modules = build_py.find_package_modules(self, package, package_dir)
        modules = list(filter(lambda m: _not_async(m[-1]), modules))
        return modules


# Do not compile async.py for Python 3.3 or below.
class nocompile_async(install_lib):
    def byte_compile(self, files):
        files = list(filter(_not_async, files))
        install_lib.byte_compile(self, files)


PY_35 = sys.version_info >= (3, 5)

here = path.abspath(path.dirname(__file__))

install_requires = ['urllib3>=1.25.1', 'pycryptodomex>=3.9.8']
cmdclass = {}

if PY_35:
    # one more dependency for Python 3.5 (async version)
    install_requires += ['aiohttp>=3.0.0']
else:
    # do not copy/compile async version for older Python
    cmdclass['build_py'] = nocopy_async
    cmdclass['install_lib'] = nocompile_async

# Parse version
with open(path.join(here, 'telepot', '__init__.py')) as f:
    m = re.search('^__version_info__ *= *\(([0-9]+), *([0-9]+)\)', f.read(), re.MULTILINE)
    version = '.'.join(m.groups())

setup(
    cmdclass=cmdclass,

    name='telepota',
    packages=['telepot', 'telepot.aio'],
    # Do not filter out packages because we need the whole thing during `sdist`.

    install_requires=install_requires,

    version=version,

    description='Python framework for Telegram Bot API',

    long_description='',

    url='https://github.com/codingsett/telepota',

    author='Joseph Kuria',
    author_email='josephkiurire@outlook.com',

    license='MIT',

    # See https://pypi.python.org/pypi?%3Aaction=list_classifiers
    classifiers=[
        'Development Status :: 5 - Production/Stable',

        # Indicate who your project is intended for
        'Intended Audience :: Developers',
        'Topic :: Software Development :: Libraries :: Python Modules',
        'Topic :: Communications :: Chat',

        'License :: OSI Approved :: MIT License',
        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.2',
        'Programming Language :: Python :: 3.3',
        'Programming Language :: Python :: 3.4',
        'Programming Language :: Python :: 3.5',
        'Programming Language :: Python :: 3.6',
    ],

    keywords='telegram bot api python wrapper telepota framework',
)