Anaconda是否会重新安装所有软件包（如（numpy，pandas，pycuda等）），即使我之前在Ubuntu 18.04中使用python单独安装了它们？
[英]Does Anaconda reinstall all the packages like(numpy, pandas, pycuda etc) even if I had installed them earlier separately with python in Ubuntu 18.04?
问题描述
As I already have quite a lot of packages installed without installing Anaconda will I have to reinstall them again separately? 
由于我已经安装了很多没有安装Anaconda的软件包，我是否需要分别重新安装它们？ Or are they accessible in Anaconda environment because I have them preinstalled? 还是因为我已预安装它们而在Anaconda环境中可以访问它们？ There is a similar question which has the answer suggesting installing only miniconda but in my case Anaconda is necessary. 有一个类似的问题，其答案是建议仅安装miniconda，但就我而言，Anaconda是必需的。
1 个解决方案
解决方案1
0 2019-01-16 16:57:22
No, anaconda uses completely different environments and whatever downgrading it does, it does it within it's own environments. 不，anaconda使用完全不同的环境，无论降级它做什么，它都在自己的环境中完成。 So, if you are using anaconda environments within your applications, you don't need to reinstall anything but if you are using another environment (like pip only) you need to make sure you have installed all the necessary packages there as well. 因此，如果您在应用程序中使用anaconda环境，则无需重新安装任何东西，但是，如果您正在使用其他环境（仅适用于pip），则需要确保在那里也安装了所有必需的软件包。 Also, if a package is installed using pip and not installed in conda, it will automatically switch to pip so there is no problem there. 另外，如果使用pip安装了软件包，但未将其安装在conda中，则它将自动切换到pip，因此那里没有问题。
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