GEOSGeometry.valid_reason Returns a string describing the reason why a geometry is invalid.

GeoIP.region_by_addr(query)

AdminSite.site_header The text to put at the top of each admin page, as an <h1> (a string). By default, this

Field.unique_for_date Set this to the name of a DateField or DateTimeField to require that this field

as_string() Returns the value of the field as a string:

Model.validate_unique(exclude=None) [source] This method is similar to clean_fields()

query_string Whether to pass along the GET query string to the new location. If True, then the query string is

python_2_unicode_compatible() [source] A decorator that defines __unicode__

within(other) Returns True if this geometry is contained within the other, otherwise returns False

GEOSGeometry.ogr Returns an