Field.unique_for_year Like unique_for_date and unique_for_month.

GEOSGeometry.point_on_surface Computes and returns a Point guaranteed to be on the interior of this geometry.

input_formats A list of formats used to attempt to convert a string to a valid datetime.date object.

base_field The form field to use.

class AlterModelManagers(name, managers) [source] Alters the managers that are available

class Coalesce(*expressions, **extra) [source] Accepts a list of at least two field names

class Polygon shell Returns the shell or exterior

class HttpResponsePermanentRedirect [source] Like HttpResponseRedirect, but

class Sum(expression, output_field=None, **extra) [source] Computes the sum of all values

GenericIPAddressField.unpack_ipv4 Unpacks IPv4 mapped addresses like ::ffff:192.0.2.1. If this option is enabled