ubuntu安装python3
安装ppa
sudo apt install --reinstall software-properties-common
配置软件仓库,因为python 3.6 新版没有发布到ubuntu的正式仓库中,通过第3方仓库来做。在命令行中输入
sudo add-apt-repository ppa:jonathonf/python-3.6
更新源并安装python3.6
sudo apt-get update
sudo apt-get install python3.6
配置输入python3时就默认使用3.6版本
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.5 1
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 2
sudo update-alternatives --config python3
安装pip3
sudo apt-get install python3-pip
pip3不工作,出现如下错误
Traceback (most recent call last):
File "/home/may/.local/bin/pip3", line 7, in <module>
from pip._internal import main
ModuleNotFoundError: No module named 'pip._internal'
执行下面命令可以 fix error
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
sudo python3 get-pip.py --force-reinstall