Comprehensive beginner s virtualenv tutorial

Question

I ve been hearing the buzz about virtualenv lately  and I m interested  But all I ve heard is a smattering of praise  and don t have a clear understanding of what it is or how to use it   I m looking for  ideally  a follow-along tutorial that can take me from Windows or Linux with no Python on it  and explain every step of  in no particular order     what I should do to be able to start using virtualenv specific reasons why using virtualenv is a good idea situations where I can can t use virtualenv situations where I should shouldn t use virtualenv   And step through  comprehensively  a couple sample situations of the should can variety   So what are some good tutorials to cover this stuff  Or if you have the time and interest  perhaps you can answer a few of those questions here  Either in your answer  or as a link to tutorials that answer it  these are the things I d like to know

User · Answer

Here s another good one  http   www saltycrane com blog 2009 05 notes-using-pip-and-virtualenv-django   This one shows how to use pip and a pip requirements file with virtualenv  Scobal s two suggested tutorials are both very helpful but are both easy install-centric   Note that none of these tutorials explain how to run a different version of Python within a virtualenv - for this  see this SO question  Use different Python version with virtualenv

User · Answer

Virtualenv is a tool to create isolated Python environments   Let s say you re working in 2 different projects  A and B  Project A is a web project and the team is using the following packages    Python 2 8 x Django 1 6 x   The project B is also a web project but your team is using    Python 2 7 x Django 1 4 x   The machine that you re working doesn t have any version of django  what should you do  Install django 1 4  django 1 6  If you install django 1 4 globally would be easy to point to django 1 6 to work in project A   Virtualenv is your solution  You can create 2 different virtualenv s  one for project A and another for project B  Now  when you need to work in project A  just activate the virtualenv for project A  and vice-versa    A better tip when using virtualenv is to install virtualenvwrapper to manage all the virtualenv s that you have  easily  It s a wrapper for creating  working  removing virtualenv s

User · Answer

For setting up virtualenv on a clean Ubuntu installation  I found this zookeeper tutorial to be the best - you can ignore the parts about zookeper itself  The virtualenvwrapper documentation offers similar content  but it s a bit scarce on telling you what exactly to put into your  bashrc file

User · Answer

This is very good  http   simononsoftware com virtualenv-tutorial-part-2   And this is a slightly more practical one  https   web archive org web 20160404222648 https   iamzed com 2009 05 07 a-primer-on-virtualenv

[python] Comprehensive beginner's virtualenv tutorial?

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