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django学习之pythonbrew部署开发环境

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标签:django学习之pythonbrew

关于pythonbrew的介绍:https://github.com/utahta/pythonbrew

中文文档:http://pythonbrew.readthedocs.org/en/latest/



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:

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(fuck)[root@php ~]# 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

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[root@php 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.
[root@php 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)[root@php blog]# 
(flask)[root@php blog]# 
(flask)[root@php blog]#
  • 在这个虚拟环境下安装版本为1.6的django

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(flask)[root@php ~]# 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)[root@php ~]# 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)[root@php ~]# pythonbrew off
[root@php ~]# 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
[root@php ~]#


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~

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django学习之pythonbrew部署开发环境

标签:django学习之pythonbrew

原文地址:http://blog.csdn.net/androidmylove/article/details/41695521

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