关于pythonbrew的介绍：https://github.com/utahta/pythonbrew
选择pythonbrew的原因：
- 融合了virtualenv，创建隔离环境更方便快捷
- 具有pyenv的所拥有的所有功能（个人感觉更强悍）
使用示例
- 列出可安装的 python 版本：
pythonbrew list --know - 安装某个版本的 python ：
pythonbrew install 2.7.3 - 删除已安装的某版本的 python ：
pythonbrew uninstall 2.7.3 - 列出已安装的 python 版本(当前使用的版本后会用星号标记)：
pythonbrew list - 使用某个版本的 python （仅当前终端窗口有效)：
pythonbrew use 2.7.3 - 切换到某个版本的 python （一直有效）：
pythonbrew switch 2.7.3 - 清理陈旧的源码目录和档案包：
pythonbrew cleanup - 升级到pythonbrew到最新版本：
pythonbrew update - 禁用pythonbrew(即切换回原始环境)：
pythonbrew off - 创建python隔离环境(借助virtualenv)：
安装脚本：
(fuck)[[email protected] ~]# cat pythonbrew.sh
#!/bin/bash
#Function: create pythonbrew env
#Author: zhuima
#Date: 2014-11-06
#Version: 0.1
#
REVTAL=0
# import Functions
. /etc/rc.d/init.d/functions
# check network
. /etc/sysconfig/network
if [ $NETWORKING = ‘no‘ ];then
exit $REVTAL
fi
# install epel yum source
function epel_install(){
if rpm --version &>/dev/null;then
rpm -ivh http://mirrors.ustc.edu.cn/fedora/epel/6/x86_64/epel-release-6-8.noarch.rpm
else
exit $REVTAL
print "please checking your yum configure!"
fi
}
# install base packages
function base_packages(){
if yum repolist &>/dev/null;then
yum install yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel patch -y
else
exit $REVTAL
print "please checking your yum configure!"
fi
}
# install pip
function pip_install(){
if yum repolist &>/dev/null;then
yum install python-pip -y
else
exit $REVTAL
print "please checking your yum configure!"
fi
}
# install pythonbrew
function pythonbrew_install(){
if pip -V &>/dev/null;then
pip install pythonbrew
pip install virtualenv
else
exit $REVTAL
print "please checking your pip configure!"
fi
}
# config pythonbrew env
function pythonbrew_env(){
echo ‘[[ -s "$HOME/.pythonbrew/etc/bashrc" ]] && source "$HOME/.pythonbrew/etc/bashrc"‘ >>~/.bashrc
. /usr/bin/pythonbrew_install && source ~/.bashrc
}
# install python 2.7.6
function python_install(){
if $HOME/.pythonbrew/bin/pythonbrew --version &>/dev/null;then
$HOME/.pythonbrew/bin/pythonbrew install 2.7.6
else
exit $REVTAL
print "please checking your pyenv configure"
fi
}
# install ipdb、ipython
function install_ipython(){
if pip --version &>/dev/null;then
pip install ipdb
pip install ipython
else
yum install pip -y
pip install ansible
pip install ipython
fi
}
while :;do
cat << EOF
+-------------------------------------------+
|1、Install epel_install |
|2、Install base_packages |
|3、Install pip_install |
|4、Install pythonbrew_install |
|5、Install pythonbrew_env |
|6、Install python_install |
|7、Install install_ipython |
|8、One-Click Setup |
|9、[Q|q|quit] to quit |
+-------------------------------------------+
EOF
read -p "select which one packages you want to install: " choice
case $choice in
1)
epel_install
;;
2)
base_packages
;;
3)
pip_install
;;
4)
pythonbrew_install
;;
5)
pythonbrew_env
;;
6)
python_install
;;
7)
install_ipython
;;
8)
epel_install
base_packages
pip_install
pythonbrew_install
pythonbrew_env
python_install
install_ipython
;;
Q|q|quit)
exit $REVTAL
;;
*)
echo "Usage: select one number(1|2|3|4|5|6|7|8|9)"
exit $REVTAL
;;
esac
done
简单演示：
- 创建一个名为flask的虚拟坏境并切换到这个虚拟环境下面
[[email protected] blog]# pythonbrew venv create flask Creating `flask` environment into /root/.pythonbrew/venvs/Python-2.7.6 Already using interpreter /root/.pythonbrew/pythons/Python-2.7.6/bin/python New python executable in /root/.pythonbrew/venvs/Python-2.7.6/flask/bin/python Installing setuptools.............done. Installing pip...............done. [[email protected] blog]# pythonbrew venv use flask # Using `flask` environment (found in /root/.pythonbrew/venvs/Python-2.7.6) # To leave an environment, simply run `deactivate` (flask)[[email protected] blog]# (flask)[[email protected] blog]# (flask)[[email protected] blog]#
- 在这个虚拟环境下安装版本为1.6的django
(flask)[[email protected] ~]# pip install django==1.6 # 安装版本为1.6的django Downloading/unpacking django==1.6 Downloading Django-1.6.tar.gz (6.6MB): 6.6MB downloaded Running setup.py egg_info for package django warning: no previously-included files matching ‘__pycache__‘ found under directory ‘*‘ warning: no previously-included files matching ‘*.py[co]‘ found under directory ‘*‘ Installing collected packages: django Running setup.py install for django changing mode of build/scripts-2.7/django-admin.py from 644 to 755 warning: no previously-included files matching ‘__pycache__‘ found under directory ‘*‘ warning: no previously-included files matching ‘*.py[co]‘ found under directory ‘*‘ changing mode of /root/.pythonbrew/venvs/Python-2.7.6/flask/bin/django-admin.py to 755 Successfully installed django Cleaning up... (flask)[[email protected] ~]# python -c "import django;print (django.get_version())" # 在我们创建虚拟环境中打印django的版本 1.6 (flask)[[email protected] ~]# pythonbrew off [[email protected] ~]# python -c "import django;print (django.get_version())" # 打印django版本，这里提示没有这个模块 Traceback (most recent call last): File "<string>", line 1, in <module> ImportError: No module named django [[email protected] ~]#
撸完收工，也就是一个工具而已，不必在意这些细节，能用就好，python多版本管理工具很多的，找一个适合自己的就行，多了反而会被其所左右~
时间： 2024-10-16 04:33:45