python setup.py: 安装tensorflow还是tensorflow-gpu?

python setup.py: install either tensorflow or tensorflow-gpu?

我正在设计一个需要 tensorflow 的新项目。由于 TensorFlow 有多个安装(tensorflowtensorflow-gpu),我如何在我的 install_requires 部分添加任何一个都可以?

我是这样计算的:

from pkg_resources import DistributionNotFound, get_distribution
from setuptools import setup, find_packages    

def get_dist(pkgname):
    try:
        return get_distribution(pkgname)
    except DistributionNotFound:
        return None

install_deps = ['numpy', 'tensorflow']
if get_dist('tensorflow') is None and get_dist('tensorflow-gpu') is not None:
    install_deps.remove('tensorflow')

setup(..., install_requires=install_deps)