Multiple versions of Django

[Jasvir Singh]

Is it possible to install multiple versions of Django on single ubuntu server.
If yes, please tell me how to do this.
I have already made a try for this using virtual environment, but
found that it is only for development.

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Jasvir Singh Grewal
Blog:http://jasvirsinghgrewal91.wordpress.com/

[Gerald Klein]

Yes, use something like VirtualEnv, it allows you to separate website environments and requirements and it has nice additionals to help you publish

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[Gerald Klein]

Sorry please disregard I didn't read far enough into your message

On Mon, Sep 30, 2013 at 10:25 AM, Jasvir Singh <jassig...@gmail.com> wrote:

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[Bill Freeman]

Virtual environments can, indeed, be used under Apache.  I presume other front ends can also handle this.

For Apache, the separate VE's need to be in separate deamon process groups, so that their sys.path settings can differ.

The primary thing that virtualenv does for you is tweak sys.path, usually by setting PYTHONHOME, but there are other ways.

If using a new enough mod_wsgi (3.4 or later, I htink), there is a python-home option to the WSGIDaemonProcess directive.  Otherwise you can fiddle sys.path in your wsgi script file.  If you are using Apache/mod_wsgi, there is lots of useful documentation and a pointer to their mailing list at http://code.google.com/p/modwsgi/

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[Peter Herndon]

I would suggest using separate virtual environments, each with gunicorn (http://gunicorn.org/) installed into the venv. Run gunicorn listening on a different port per venv, start all your venvs under supervisord (http://supervisor.org/), and proxy them behind nginx (http://wiki.nginx.org/).

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[carlos]

Hi, uwsgi is too good option http://uwsgi-docs.readthedocs.org/en/latest/ and nginx with virtualenv

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[Jasvir Singh]

On Mon, 30 Sep 2013, Jasvir Singh wrote:

> Is it possible to install multiple versions of Django on single ubuntu server.
> If yes, please tell me how to do this.

@all, thanks for their help but my requirement is to use multiple
versions of django on single server. I have to use it apache web server.
Here is the full scene.
I have django 1.4.2 installed on ubuntu server which uses apache.
There are several django based applications installed on it. All of
them are working on django 1.4.2 . But recently I have developed an
another application using django 1.5.2. Now I have to install that
application on server, but problem is that, I can not remove django
1.4.2 from server. For this purpose, I have tried virtual environment
using steps given in following link:
http://serverfault.com/questions/413879/how-can-i-run-two-django-versions-in-the-same-server

But when I wish to use to application, I have to switch on virtual
environment and start then django server. I want that app to run without
using django server.
Hope that I am able to explain the problem. If there is any confusion, please ask.


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Jasvir Singh Grewal
Blog: jasvirsinghgrewal91.wordpress.com

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Sub : To randomly play mp3 songs from a directory LOST #243

mpg123 -z /path/to/mp3s/*.mp3
This will randomly play mp3 songs from the specified folder.

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:

[Daniel Roseman]

On Tuesday, 1 October 2013 04:15:37 UTC+1, Jasvir Singh wrote:

On Mon, 30 Sep 2013, Jasvir Singh wrote:

> Is it possible to install multiple versions of Django on single ubuntu server.
> If yes, please tell me how to do this.
@all, thanks for their help but my requirement is to use multiple
versions of django on single server. I have to use it apache web server.
Here is the full scene.
I have django 1.4.2 installed on ubuntu server which uses apache.
There are several django based applications installed on it. All of
them are working on django 1.4.2 . But recently I have developed an
another application using django 1.5.2. Now I have to install that
application on server, but problem is that, I can not remove django
1.4.2 from server. For this purpose, I have tried virtual environment
using steps given in following link:
http://serverfault.com/questions/413879/how-can-i-run-two-django-versions-in-the-same-server

But when I wish to use to application, I have to switch on virtual
environment and start then django server. I want that app to run without
using django server.
Hope that I am able to explain the problem. If there is any confusion, please ask.

You've already been told upthread that it is simply not true that virtualenv is only for development. The second answer on that StackOverflow question gives a link to this page:

https://code.google.com/p/modwsgi/wiki/VirtualEnvironments

which explains exactly and in great detail how to configure virtualenv to work with Apache and mod_wsgi. You should read that, and come back if you have any specific questions.

--

DR. 

[graeme]

On Tuesday, October 1, 2013 8:45:37 AM UTC+5:30, Jasvir Singh wrote:

On Mon, 30 Sep 2013, Jasvir Singh wrote:

I have django 1.4.2 installed on ubuntu server which uses apache.
There are several django based applications installed on it. All of
them are working on django 1.4.2 . But recently I have developed an
another application using django 1.5.2. Now I have to install that
application on server, but problem is that, I can not remove django

I assume you mean web apps with separate django-projects rather than applications in the same projects.... that would be a problem!

It is a simple (one line change) to your configuration - use the python executable in the virtualenv (.e.g path-to-virtualenv/bin/python) in place of usr/bin/python in your Apache config for the domain/url the django project is on.