# 准备编译环境
yum groupinstall -y 'Development Tools'
yum install -y zlib-devel bzip2-devel openssl-devel ncurses-devel
# 下载Python3.6.6压缩包
wget --no-check-certificate https://www.python.org/ftp/python/3.6.6/Python-3.6.6.tgz
# 创建安装目录
mkdir /usr/local/python3
# 解压
tar -zxvf Python-3.6.6.tgz
# 切换到解压后的根目录
cd Python-3.6.6/
# 编译安装
./configure --prefix=/usr/local/python3
make
make install
Linux里原来的python命令还是指向Python2,这里创建python3的软链接指向Python3,这样Python2和Python3就都可以用了。
ln -s /usr/local/python3/bin/python3.6 /usr/bin/python3
保留pip指向Pip2,创建pip3的软链接指向Pip3。
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
如果你遇到ModuleNotFoundError: No module named '_sqlite3'
yum install sqlite*
然后重新执行第五步。
# 添加源仓库
sudo add-apt-repository ppa:jonathonf/python-3.6
# 先更新,再安装
sudo apt-get update
sudo apt-get install python3.6
# 安装pip
sudo apt-get install python-pip
sudo apt-get install python3-pip
# 升级pip
pip install --upgrade pip
Traceback (most recent call last):
File “/usr/bin/pip3”, line 9, in from pip import mainsudo rm system.reg
解决办法:
修改 /usr/bin/pip 文件:
sudo vim /usr/bin/pip
# from pip import main
# 改为
from pip import __main__
# sys.exit(main())
# 改为
sys.exit(__main__._main())