一旦你激活了一个虚拟环境,可以使用一个叫做 pip 程序来安装,升级以及删除包。默认情况下 将会从 Python Package Index,<https://pypi.python.org/pypi>, 中安装包。你可以通过 web 浏览器浏览它们,或者你也能使用 有限的搜索功能: (tutorial-env) -> pip search astronomy
skyfield - Elegant astronomy for Python
gary - Galactic astronomy and gravitational dynamics.
novas - The United States Naval Observatory NOVAS astronomy library
astroobs - Provides astronomy ephemeris to plan telescope observations
PyAstronomy - A collection of astronomy related tools for Python.
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你可以安装一个包最新的版本,通过指定包的名称: -> pip install novas
Collecting novas
Downloading novas-3.1.1.3.tar.gz (136kB)
Installing collected packages: novas
Running setup.py install for novas
Successfully installed novas-3.1.1.3
你也能安装一个指定版本的包,通过给出包名后面紧跟着 和版本号: -> pip install requests==2.6.0
Collecting requests==2.6.0
Using cached requests-2.6.0-py2.py3-none-any.whl
Installing collected packages: requests
Successfully installed requests-2.6.0 |
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