Tuesday, July 23, 2013

Introducing virtualenvwrapper-django

I recently took one of my previous posts entitled "Never Have to Type "python manage.py" with Django Again", and combined it with another bash function to auto set DJANGO_MODULE_SETTINGS by interrogating a Django project's directory. I then rolled everything together into github as

Its a little rough I admit, and I welcome any feedback for improvements.  As a result, I'm now able to run commands like the following anywhere once I have my virtual environment loaded.

(spock)jbisbee@tacquito:~/src/spock$ manage dbshell
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 95
Server version: 5.5.31-0ubuntu0.12.04.2 (Ubuntu)

Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.


Edit: I've gotten some feedback and I realize I didn't sell the real reason behind dynamically setting the DJANGO_SETTINGS_MODULE variable. I use Django at work and we have moved from the generic one file settings.py to a settings directory which looks something like this

    dev.py           # imports from base.py
    test.py          # imports from base.py
    production.py    # imports from base.py
    jbisbee.py       # imports from dev.py

This way you can have cascading Django settings with overrides at multiple levels. This bash function I wrote finds the settings directory and will set DJANGO_SETTINGS_MODULE to the user's specific dev settings (or dev if the user can't be found)


This way in jbisbee.py I can override my database, turn on crazy debugging, or do anything else I want and be able to commit those settings without affecting others.

Disclaimer: If you manage your Django project's settings differently let me know. I'd love to make the determine_django_module_settings more flexible and patches are more than welcome!

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