CentOS 6.6 升级Python到2.7.8 和 虚拟环境安装
#!/bin/bash#date:2014-11-30
#created by zhangluya
#set env
#git clone root@console:/home/git/demo.git
#Update Python
yum install -y xz wget lrzsz curl openssl openssl-devel vim
wget https://www.python.org/ftp/python/2.7.8/Python-2.7.8.tar.xz
xz -d Python-2.7.8.tar.xz
tar xvf Python-2.7.8.tar
cd Python-2.7.8
./configure --prefix=/usr/local/python2.7 --enable-shared
make
make install
#建立软链接 默认指向Python2.7
mv /usr/bin/python /usr/bin/python.old
ln -fs /usr/local/python2.7/bin/python2.7 /usr/bin/python
#配置环境变量
echo 'PY_HOME=/usr/local/python2.7' >> /etc/profile
echo 'export PATH=$PY_HOME/bin:$PATH' >> /etc/profile
source /etc/profile
#导入LIB库 否则会出现无法载入共享库
echo "/usr/local/python2.7/lib" >> /etc/ld.so.conf.d/python2.7.conf
ldconfig
#yum不兼容Python2.7 需要指定为原版本
if [ `cat /usr/bin/yum|grep python2.6|wc -l` -eq 1 ];then
echo "/usr/bin/yum has already change!"
else
sed -i 's/bin\/python/bin\/python2.6/' /usr/bin/yum
fi
#YUM LIB库
#python-setuptools python-setuptools-devel python-devel
yum install -y libxml2-devel libxml2 libxslt-devel gcc*
#INSTALL PIP 注意建立软链接
wget https://raw.github.com/pypa/pip/master/contrib/get-pip.py
python get-pip.py
ln -fs /usr/local/python2.7/bin/pip /usr/bin/pip
pip install pygal virtualenv virtualenvwrapper
echo 'source /usr/local/python2.7/bin/virtualenvwrapper.sh' >> /etc/profile
#Install fabric
pip install fabric
ln -fs /usr/local/python2.7/bin/fab /usr/bin/fab
#virtualenvwrapper readme
#- mkvirtualenv
#- lssitepackages 显示该环境中所安装的包 ;
#- workon 切换环境;
#- deactivate 退出;
#- showvirtualenv 显示指定环境的详情;
#- rmvirtualenv 移除指定的虚拟环境,移除的前提是当前没有在该环境中工作;
#- cpvirtualenv 复制一份虚拟环境;
#- cdvirtualenv 把当前工作目录设置为所在的环境目录;
#- cdsitepackages 把当前工作目录设置为所在环境的sitepackages路径;
#- add2virtualenv 把指定的目录加入当前使用的环境的path中;
#- toggleglobalsitepackages -q 控制当前的环境是否使用全局的sitepackages目录。
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