DateField.auto_now_add Automatically set the field to now when the object is first created. Useful for creation of timestamps

CASCADE [source] Cascade deletes. Django emulates the behavior of the SQL constraint ON DELETE

ImageField.width_field Name of a model field which will be auto-populated with the width of the image each time the model instance

FieldFile.name The name of the file including the relative path from the root of the

class GenericIPAddressField(protocol='both', unpack_ipv4=False, **options) [source] An IPv4

FieldFile.save(name, content, save=True) [source] This method takes a filename and file contents

class BigIntegerField(**options) [source] A 64-bit integer, much like an IntegerField

description A verbose description of the field, e.g. for the django.contrib.admindocs application.

ImageField.height_field Name of a model field which will be auto-populated with the height of the image each time the model

ForeignKey.related_query_name The name to use for the reverse filter name from the target model. It defaults to the value of