开源shell脚本系列-安装、卸载python3
脚本说明:
之前应该开源过一个版本的安装python3脚本,这次又优化了一波。安装和卸载一个脚本。
执行脚本后需要做选择,是安装python还是删除python。安装脚本需要填写到小版本号,例如:python3.9.5 卸载python的时候只需要填写大版本号,例如python3.9即可,如果不是用我的脚本安装的python3环境不一定好使。
脚本功能:
在centos7环境上执行安装和卸载python3环境。
#!/bin/bash
# author:blog.ossq.cn
# 安装或卸载Python环境
echo "请选择要执行的操作:"
echo "1. 安装Python环境"
echo "2. 卸载Python环境"
read -p "请输入操作编号: " choice
if [ $choice -eq 1 ]; then
# 安装Python环境
read -p "请输入要安装的Python版本号: " version
echo "开始安装Python ${version}..."
# 安装必要的依赖
yum install -y gcc openssl-devel bzip2-devel libffi-devel
# 下载Python源码并解压
cd /usr/local/src
wget https://www.python.org/ftp/python/${version}/Python-${version}.tgz
tar xzf Python-${version}.tgz
# 编译并安装Python
cd Python-${version}
./configure --enable-optimizations
make altinstall
# 安装pip
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python${version} get-pip.py
# 配置环境变量
echo "export PATH=\"/usr/local/bin:\$PATH\"" >> ~/.bashrc
source ~/.bashrc
echo "Python ${version}安装成功!"
elif [ $choice -eq 2 ]; then
# 卸载Python环境
read -p "请输入要卸载的Python版本号: " version
echo "开始卸载Python ${version}..."
# 检查Python是否已安装
if [ -f "/usr/local/bin/python${version}" ]; then
# 删除Python安装目录
rm -rf "/usr/local/bin/python${version}"
rm -rf "/usr/local/bin/pip${version}"
rm -rf "/usr/local/lib/python${version}/"
# 删除环境变量配置
sed -i "/export PATH=\/usr\/local\/bin:$PATH/d" ~/.bashrc
source ~/.bashrc
echo "Python ${version}卸载成功!"
else
echo "Python ${version}未安装,无需卸载。"
fi
else
echo "无效的操作编号。"
fi