[英]Migrate all python2 packages to python3 with pip
I have been using Python2 and pip for a long time and recently installed Python3 and pip3. 我已经使用Python2和pip很长时间了,最近安装了Python3和pip3。 I want to migrate all pip packages to pip3.
我想将所有pip包迁移到pip3。 How to install all the package at one go?
如何一次性安装所有软件包?
Since my pip list shows a long list of packages installed using pip, it is very hectic to install them one by one using pip3. 由于我的pip列表显示了使用pip安装的软件包的长长列表,因此使用pip3逐个安装它们非常忙。
假设您要为python3安装所有python2软件包,请使用
$ pip3 install --user `pip freeze`
首先,使用pip freeze > requirements.txt
pip3 install -r requirements.txt
pip freeze > requirements.txt
保存所有软件包,然后运行pip3 install -r requirements.txt
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