July 2016
Beginner to intermediate
462 pages
9h 14m
English
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Creating a virtual environment with virtualenv and virtualenvwrapper
Virtual environments provide dependency isolation for small projects. They also keep your site-packages directory small. Since Python 3.3, virtualenv has been part of the standard Python distribution. The virtualenvwrapper Python project has some extra convenient features for virtual environment management. I will demonstrate virtualenv and virtualenvwrapper functionality in this recipe.
Getting ready
You need Python 3.3 or later. You can install virtualenvwrapper with pip command as follows:
$ [sudo] pip install virtualenvwrapper
On Linux and Mac, it's necessary to do some extra work—specifying a directory for the virtual environments and sourcing a script:
$ export WORKON_HOME=/tmp/envs ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.