Django/docs/3.1.x/ref/forms/index

Forms

Detailed form API reference. For introductory material, see the Working with forms topic guide.

• The Forms API
  • Bound and unbound forms
  • Using forms to validate data
  • Dynamic initial values
  • Checking which form data has changed
  • Accessing the fields from the form
  • Accessing “clean” data
  • Outputting forms as HTML
  • More granular output
  • Customizing BoundField
  • Binding uploaded files to a form
  • Subclassing forms
  • Prefixes for forms
• Form fields
  • Core field arguments
  • Checking if the field data has changed
  • Built-in Field classes
  • Slightly complex built-in Field classes
  • Fields which handle relationships
  • Creating custom fields
• Model Form Functions
  • modelform_factory
  • modelformset_factory
  • inlineformset_factory
• Formset Functions
  • formset_factory
• The form rendering API
  • The low-level render API
  • Built-in-template form renderers
  • Context available in widget templates
  • Overriding built-in widget templates
• Widgets
  • Specifying widgets
  • Setting arguments for widgets
  • Widgets inheriting from the Select widget
  • Customizing widget instances
  • Base widget classes
  • Built-in widgets
• Form and field validation
  • Raising ValidationError
  • Using validation in practice