bilateral A boolean indicating whether this transformation should apply to both lhs and rhs. Bilateral transformations will be applied to rhs in the same order as they appear in the lookup expression. By default it is set to False. For example usage, see Custom Lookups.

Field.disabled New in Django 1.9. The disabled boolean argument, when set to True, disables a form field using the disabled HTML attribute so that it won’t be editable by users. Even if a user tampers with the field’s value submitted to the server, it will be ignored in favor of the value from the form’s initial data.

unpack_ipv4 Unpacks IPv4 mapped addresses like ::ffff:192.0.2.1. If this option is enabled that address would be unpacked to 192.0.2.1. Default is disabled. Can only be used when protocol is set to 'both'.

months An optional dict of months to use in the “months” select box. The keys of the dict correspond to the month number (1-indexed) and the values are the displayed months: MONTHS = { 1:_('jan'), 2:_('feb'), 3:_('mar'), 4:_('apr'), 5:_('may'), 6:_('jun'), 7:_('jul'), 8:_('aug'), 9:_('sep'), 10:_('oct'), 11:_('nov'), 12:_('dec') }

BoundField.name The name of this field in the form: >>> f = ContactForm() >>> print(f['subject'].name) subject >>> print(f['message'].name) message

class NumberInput [source] Text input: <input type="number" ...> Beware that not all browsers support entering localized numbers in number input types. Django itself avoids using them for fields having their localize property set to True.

difference() Returns the region consisting of the difference of this geometry and the other, as a new OGRGeometry object.

BoundField.help_text The help_text of the field.

shell Returns the shell or exterior ring of this polygon, as a LinearRing geometry.

class Extent(geo_field) Availability: PostGIS, Oracle, SpatiaLite Returns the extent of all geo_field in the QuerySet as a four-tuple, comprising the lower left coordinate and the upper right coordinate. Example: >>> qs = City.objects.filter(name__in=('Houston', 'Dallas')).aggregate(Extent('poly')) >>> print(qs['poly__extent']) (-96.8016128540039, 29.7633724212646, -95.3631439208984, 32.782058715820)