python配置python3环境

1、安装相应的编译工具

yum -y groupinstall "Development tools"
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
yum install -y libffi-devel zlib1g-dev
yum install zlib* -y

2、下载安装包

wget https://www.python.org/ftp/python/3.7.2/Python-3.7.2.tar.xz

3、解压创建编译目录

tar -xvJf  Python-3.7.2.tar.xz
mkdir /usr/local/python3

4、安装

cd Python-3.7.2
./configure --prefix=/usr/local/python3 --enable-optimizations --with-ssl 
make && make install

5、创建软连接

ln -s /usr/local/python3/bin/python3 /usr/local/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/local/bin/pip3

6、验证

python3 -V

7、安装pip

yum install -y epel-release
yum install python34-pip
pip3.4 install foo