安装python

安装python3.6.5

Alvin编写了一键安装python3.6.5的代码，可以在shell下一键执行该脚本安装python3.5.6

curl -s https://raw.githubusercontent.com/AlvinWanCN/poppy/master/code/python/install_python3.6.5.py|python

脚本详细内容如下：

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#!/usr/bin/python
#coding:utf-8
import subprocess,os

if os.path.exists('/usr/bin/python3'):
    print('python3 is exist already.')
    exit(1)

subprocess.call('yum install gcc zlib zlib-devel libffi-devel openssl-devel -y',shell=True)
os.chdir('/tmp')
if os.path.exists('/tmp/python3.6.5.tar.xz'):
    pass
else:
    subprocess.call('curl -fsSL https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tar.xz > python3.6.5.tar.xz',shell=True)

subprocess.call('tar xf python3.6.5.tar.xz -C /usr/local/src/',shell=True)
os.chdir('/usr/local/src/Python-3.6.5/')
subprocess.call('./configure --prefix=/usr/local/python3',shell=True)
subprocess.call('make',shell=True)
subprocess.call('make install',shell=True)
subprocess.call("sed -i '210,212s/#//' /usr/local/src/Python-3.6.5/Modules/Setup",shell=True)
subprocess.call("sed -i '205s/#//' /usr/local/src/Python-3.6.5/Modules/Setup",shell=True)

subprocess.call('make',shell=True)
subprocess.call('make install',shell=True)
subprocess.call('ln -s /usr/local/python3/bin/python3 /usr/bin/',shell=True)
subprocess.call('python3 --version',shell=True)