class Point(x=None, y=None, z=None, srid=None) Point objects are instantiated using arguments that represent the component coordinates of the point or with a single sequence coordinates. For example, the following are equivalent: >>> pnt = Point(5, 23) >>> pnt = Point([5, 23]) Empty Point objects may be instantiated by passing no arguments or an empty sequence. The following are equivalent: >>> pnt = Point() >>> pnt = Point([]) Changed in Django 1.10: I

sign(value) [source] Sign value and append current timestamp to it.

class SymDifference(expr1, expr2, **extra) Availability: MySQL (≥ 5.6.1), PostGIS, Oracle, SpatiaLite Accepts two geographic fields or expressions and returns the geometric symmetric difference (union without the intersection) between the given parameters. Changed in Django 1.10: MySQL support was added.

class WKBReader Example: >>> from django.contrib.gis.geos import WKBReader >>> wkb_r = WKBReader() >>> wkb_r.read('0101000000000000000000F03F000000000000F03F') <Point object at 0x103a88910>

class URLValidator(schemes=None, regex=None, message=None, code=None) [source] A RegexValidator that ensures a value looks like a URL, and raises an error code of 'invalid' if it doesn’t. Loopback addresses and reserved IP spaces are considered valid. Literal IPv6 addresses (RFC 2732) and unicode domains are both supported. In addition to the optional arguments of its parent RegexValidator class, URLValidator accepts an extra optional attribute: schemes URL/URI scheme list to validate aga

height The height of the band in pixels (Y-axis).

response_gone_class The HttpResponse class used when a Redirect is not found for the requested path or has a blank new_path value. Defaults to HttpResponseGone.

ModelAdmin.get_list_display_links(request, list_display) [source] The get_list_display_links method is given the HttpRequest and the list or tuple returned by ModelAdmin.get_list_display(). It is expected to return either None or a list or tuple of field names on the changelist that will be linked to the change view, as described in the ModelAdmin.list_display_links section.

HttpResponse.write(content) [source] This method makes an HttpResponse instance a file-like object.

get_group_by_cols() Responsible for returning the list of columns references by this expression. get_group_by_cols() should be called on any nested expressions. F() objects, in particular, hold a reference to a column.