File handling

• The File object
  • The File class
  • The ContentFile class
  • The ImageFile class
  • Additional methods on files attached to objects
• File storage API
  • Getting the default storage class
  • The FileSystemStorage class
  • The InMemoryStorage class
  • The Storage class
• Uploaded Files and Upload Handlers
  • Uploaded files
  • Built-in upload handlers
  • Writing custom upload handlers