安装依赖包

yum -y 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 gcc

下载Python3.7源码
  • 下载
    wget ftp://yangyang.host/Python-3.7.1.tar.xz
  • 解压
    tar -xvf Python-3.7.1.tar.xz && cd Python-3.7.1/
执行配置文件，编译，编译安装
  • ./configure --prefix=/usr/local/python37
  • make && make install
建立软连接
  • mv /usr/bin/python /usr/bin/python_bak
  • ln -s /usr/local/python37/bin/python3.7 /usr/bin/python
  • ln -s /usr/local/python37/bin/pip3.7 /usr/bin/pip
测试Python是否可用
  • python
Python 3.7.1 (default, Jan 14 2019, 10:30:01) 
[GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> print("hello world!")
hello world!
>>> exit()
  • pip --version
    pip 10.0.1 from /usr/local/python37/lib/python3.7/site-packages/pip (python 3.7)
修改yum调用的python

修改第一行为以下

  • vi /usr/bin/yum
#!/usr/bin/python2.7
  • vi /usr/libexec/urlgrabber-ext-down
#! /usr/bin/python2.7

大功告成，可以使用了。