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Integrating Django with a legacy database¶
While Django is best suited for developing new applications, it’s quite possible to integrate it into legacy databases. Django includes a couple of utilities to automate as much of this process as possible.
This document assumes you know the Django basics, as covered in the tutorial.
Once you’ve got Django set up, you’ll follow this general process to integrate with an existing database.
Give Django your database parameters¶
You’ll need to tell Django what your database connection parameters are, and what the name of the database is. Do that by editing these settings in your settings file:
Auto-generate the models¶
Django comes with a utility called inspectdb that can create models by introspecting an existing database. You can view the output by running this command:
python manage.py inspectdb
Save this as a file by using standard Unix output redirection:
python manage.py inspectdb > models.py
This feature is meant as a shortcut, not as definitive model generation. See the documentation of inspectdb for more information.
Once you've cleaned up your models, name the file models.py and put it in the Python package that holds your app. Then add the app to your INSTALLED_APPS setting.
Install the core Django tables¶
Next, run the syncdb command to install any extra needed database records such as admin permissions and content types:
python manage.py syncdb
Test and tweak¶
Those are the basic steps -- from here you'll want to tweak the models Django generated until they work the way you'd like. Try accessing your data via the Django database API, and try editing objects via Django's admin site, and edit the models file accordingly.
Questions/Feedback
Having trouble? We'd like to help!
- Try the FAQ — it's got answers to many common questions.
- Search for information in the archives of the django-users mailing list, or post a question.
- Ask a question in the #django IRC channel, or search the IRC logs to see if its been asked before.
- If you notice errors with this documentation, please open a ticket and let us know! Please only use the ticket tracker for criticisms and improvements on the docs. For tech support, use the resources above.
