python linux安装

下载python3.7.2 && 解压

1、官网：https://www.python.org/downloads/release/python-372/

python3.7.2

2、下载：

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

3、解压

tar -zxvf Python-3.7.2.tgz

编译 && 安装

1、安装前，先安装依赖包

yum -y install zlib zlib-devel bzip2 bzip2-devel ncurses ncurses-devel readline readline-devel openssl openssl-devel openssl-static xz lzma xz-devel sqlite sqlite-devel gdbm gdbm-devel tk tk-devel libffi libffi-devel

2、配置编译

# /usr/local/python3.7.2 是想要安装python3.7.2的目录
./configure --prefix=/usr/local/python3.7.2 --enable-shared CFLAGS=-fPIC

3、编译 && 安装

make && make install

4、配置python3.7.2 lib路径

vim /etc/ld.so.conf
# 粘贴python3.7.2lib路径
/usr/local/python3.7.2/lib/

5、设置软链

ln -s /usr/local/python3.7.2/bin/python3 /usr/bin/python3
ln -s /usr/local/python3.7.2/bin/pip3 /usr/bin/pip3

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