look and feel Customize the admin index page What’s next? Advanced tutorial: How to write reusable apps Reusability matters Your project and your reusable app Installing some prerequisites Packaging your The Commands Backend Support Workflow Transactions Dependencies Migration files Adding migrations to apps Reversing migrations Historical models Considerations when removing model fields Data Migrations Squashing Migrations that add unique fields Controlling the order of migrations Migrating data between third-party apps Changing a ManyToManyField to use a through model Changing an unmanaged model to managed Django FAQ

look and feel Customize the admin index page What’s next? Advanced tutorial: How to write reusable apps Reusability matters Your project and your reusable app Installing some prerequisites Packaging your Migrations The Commands Backend Support Workflow Dependencies Migration files Adding migrations to apps Reverting migrations Historical models Considerations when removing model fields Data Migrations Squashing Migrations that add unique fields Controlling the order of migrations Migrating data between third-party apps Changing an unmanaged model to managed Django FAQ FAQ: General Why does this project exist? What

look and feel Customize the admin index page What’s next? Advanced tutorial: How to write reusable apps Reusability matters Your project and your reusable app Installing some prerequisites Packaging your Migrations The Commands Backend Support Workflow Dependencies Migration files Adding migrations to apps Historical models Considerations when removing model fields Data Migrations Squashing migrations Serializing Migrations that add unique fields Controlling the order of migrations Migrating data between third-party apps Changing an unmanaged model to managed Django FAQ FAQ: General Why does this project exist? What

look and feel Customize the admin index page What’s next? Advanced tutorial: How to write reusable apps Reusability matters Your project and your reusable app Installing some prerequisites Packaging your Migrations The Commands Backend Support Workflow Dependencies Migration files Adding migrations to apps Reversing migrations Historical models Considerations when removing model fields Data Migrations Squashing Migrations that add unique fields Controlling the order of migrations Migrating data between third-party apps Changing a ManyToManyField to use a through model Changing an unmanaged model to managed Django FAQ

app’s look and feel Adding a background-image What’s next? Advanced tutorial: How to write reusable apps Reusability matters Your project and your reusable app Installing some prerequisites Packaging your Brief History The Commands Backend Support Workflow Dependencies Migration files Adding migrations to apps Historical models Considerations when removing model fields Data Migrations Squashing migrations Serializing use it Rejected requests How it works Caching Testing Limitations Edge cases Contrib and reusable apps Settings Databases General notes PostgreSQL notes MySQL notes SQLite notes Oracle notes Using a

look and feel Customize the admin index page What’s next? Advanced tutorial: How to write reusable apps Reusability matters Your project and your reusable app Installing some prerequisites Packaging your Migrations The Commands Backend Support Workflow Dependencies Migration files Adding migrations to apps Historical models Considerations when removing model fields Data Migrations Squashing migrations Serializing Migrations that add unique fields Controlling the order of migrations Migrating data between third-party apps Changing an unmanaged model to managed Django FAQ FAQ: General Why does this project exist? What

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.15 Common Web application tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.16 . . . . . . . . . . . . . . . . . . . . . . . . 53 2.10 Advanced tutorial: How to write reusable apps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 2.11 What to read next . . . . . . • Tutorials take you by the hand through a series of steps to create a Web application. Start here if you’re new to Django or Web application development. Also look at the “First steps” below. • Topic

look and feel Customize the admin index page What’s next? Advanced tutorial: How to write reusable apps Reusability matters Your project and your reusable app Installing some prerequisites Packaging your Migrations The Commands Backend Support Workflow Dependencies Migration files Adding migrations to apps Historical models Considerations when removing model fields Data Migrations Squashing migrations Serializing Migrations that add unique fields Controlling the order of migrations Migrating data between third-party apps Changing an unmanaged model to managed Django FAQ FAQ: General Why does this project exist? What

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.14 Common Web application tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.15 . . . . . . . . . . . . . . . . . . . . . . . . 54 2.10 Advanced tutorial: How to write reusable apps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 2.11 What to read next . . . . . . • Tutorials take you by the hand through a series of steps to create a Web application. Start here if you’re new to Django or Web application development. Also look at the “First steps” below. • Topic

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.14 Common Web application tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.15 . . . . . . . . . . . . . . . . . . . . . . . . 60 2.9 Advanced tutorial: How to write reusable apps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 2.10 What to read next . . . . . . write reusable apps | Writing your first patch for Django 1.3 The model layer Django provides an abstraction layer (the “models”) for structuring and manipulating the data of your Web application. Learn