Issue #3572 has been updated by Ben Hughes.

Status changed from Needs more information to Closed

Hello, I am going through old Puppet tickets and this one has been dormant for 
a long time. If this is still an issue please let us know and/or re-open the 
ticket please. Thanks.

Also, now there's been a patch for a pip provider too, see #6527.

Cheers.
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Feature #3572: manage python virtualenvs
https://projects.puppetlabs.com/issues/3572

Author: Eric Drechsel
Status: Closed
Priority: Normal
Assignee: 
Category: package
Target version: 
Affected Puppet version: development
Keywords: python pip
Branch: 


I've been puzzling over how to do python package management via puppet for 
awhile now. 

The obvious bit is to implement a package provider for python packages using 
pip as the backend, using the gem provider as a template. The problem is that 
most python developers (people who care enough to not just use their 
distribution's python library packages) use VirtualEnv to maintain separate 
environments per deployed application. With virtualenv, there is a 1-many 
correspondence between nodes and python environments, which is incompatible 
with package providers as I understand them.

Can some Puppet core person comment on how they would ideally model managed 
virtualenvs under puppet?

just to get things working I'm planning to have two defines:

python::virtualenv(root, ...)

 * just makes an empty env

python::app(root, source (vcs, tarball, or etc), virtualenv (could be None), 
requirements (list or filename within package, in "pip freeze" format))

 * install a python app, run pip to install dependency list
 * derivative defines to config WSGI apps etc

Here are some references:

 * http://github.com/rcrowley/puppet-python/blob/master/manifests/init.pp 
(undocumented)



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