麒麟系统安装python3(转)

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原文链接：https://blog.youkuaiyun.com/wanzheng_96/article/details/106883314

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#银河麒麟 #编译 #python3

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安装依赖

不同的Linux系统除了依赖的安装不同，后续的编译、安装步骤都一样。

依赖很重要，否则安装完成后也会出问题，比如No module named '_ctypes'
中标麒麟

yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel

银河麒麟

sudo apt update

sudo apt-get install build-essential zlib1g-dev libbz2-1.0 libssl-dev libncurses5-dev libsqlite3-dev libreadline-dev tk-dev libgdbm-dev libdb5.3 libpcap-dev xz-utils libexpat1-dev liblzma-dev libssl-dev openssl libffi-dev libc6-dev

下载python源码包

python国内镜像：

淘宝 https://npm.taobao.org/mirrors/python/
华为 https://mirrors.huaweicloud.com/python/

1.新建文件夹

mkdir /usr/local/python3

2.解压

tar -zxvf Python-3.7.0.tgz

3.将解压后的安装包移植到新文件夹

mv Python-3.7.0 /usr/local/python3

4.执行配置文件，编译，编译安装

cd /usr/local/python3/Python-3.7.0
./configure --enable-optimizations --prefix=/usr/local/python3
sudo make -j8 && sudo make altinstall

5.建立软连接

# 最好不要链接到/usr/bin/python或者python3，否则影响安装其他软件，这里我用python37
ln -s /usr/local/python3/bin/python3.7 /usr/bin/python37
ln -s /usr/local/python3/bin/pip3.7 /usr/bin/pip3

6.测试pip

pip3 install flask

7.测试python

[root@mini]# python37
Python 3.7.0 (default, Jul 28 2018, 22:47:29)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> print("hello world!")
hello world!
>>> exit()

[root@mini]# pip3 --version
pip 10.0.1 from /usr/local/python3/lib/python3.7/site-packages/pip (python 3.7)

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原文链接：https://blog.youkuaiyun.com/wanzheng_96/article/details/106883314