#!/bin/bash
# 适用于Python2.7以下,不影响yum前提升级Python版本到2.7.5
SCRIPT_DIR=`readlink -f $0|xargs dirname`
CUR_USER=`whoami`
CUR_PYTHON=`python --version`
# 前置条件检查
function preCheck(){
if [[ $CUR_USER == "root" ]]; then
echo "[OK] user is $CUR_USER"
else
echo "[ERROR] user is $CUR_USER, please use root"
exit 1
fi
if [[ $CUR_PYTHON == "Python 2.7.5" ]]; then
echo "$CUR_PYTHON installed"
exit 1
fi
if [[ ! -e "Python-2.7.5.tar" ]]; then
echo "No package"
exit 1
fi
}
# 安装python
function installPython(){
# 编译安装
tar -xvf Python-2.7.5.tar
cd Python-2.7.5
./configure --prefix=/usr/local/
make && make install
# 处理python链接与默认版本
cd /usr/bin
if [[ -f python ]]; then
mv python python.old
ln -s /usr/local/bin/python2.7 /usr/bin/python
else
ls -s python2 python.old
ln -s /usr/local/bin/python2.7 /usr/bin/python
fi
# 修改yum中python版本
sed -i ‘1s/.*/#!\/usr\/bin\/python.old/‘ /usr/bin/yum
if [[ `python --version` == "Python 2.7.5" ]]; then
echo "==Python Upgrade Successed=="
fi
cd $SCRIPT_DIR
}
preCheck
# 待优化
if [[ $? == 0 ]]; then
installPython
fi
Linux Python升级版本至2.7.5