format The format in which this field’s initial value will be displayed. If no format argument is provided, the default format is the first format found in DATE_INPUT_FORMATS and respects Format localization.

DiscoverRunner.test_loader This is the class that loads tests, whether from TestCases or modules or otherwise and bundles them into test suites for the runner to execute. By default it is set to unittest.defaultTestLoader. You can override this attribute if your tests are going to be loaded in unusual ways.

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

class TestCase [source] This is the most common class to use for writing tests in Django. It inherits from TransactionTestCase (and by extension SimpleTestCase). If your Django application doesn’t use a database, use SimpleTestCase. The class: Wraps the tests within two nested atomic() blocks: one for the whole class and one for each test. Therefore, if you want to test some specific database transaction behavior, use TransactionTestCase. Checks deferrable database constraints at the end of

class models.CustomUser USERNAME_FIELD A string describing the name of the field on the User model that is used as the unique identifier. This will usually be a username of some kind, but it can also be an email address, or any other unique identifier. The field must be unique (i.e., have unique=True set in its definition), unless you use a custom authentication backend that can support non-unique usernames. In the following example, the field identifier is used as the identifying field:

field_widths Returns a list of the maximum field widths for each of the fields in this layer: >>> layer.field_widths [80, 11, 24, 10]

class PermissionRequiredMixin New in Django 1.9. This mixin, just like the permission_required decorator, checks whether the user accessing a view has all given permissions. You should specify the permission (or an iterable of permissions) using the permission_required parameter: from django.contrib.auth.mixins import PermissionRequiredMixin class MyView(PermissionRequiredMixin, View): permission_required = 'polls.can_vote' # Or multiple of permissions: permission_required = (

choices This attribute is optional when the form field does not have a choices attribute. If it does, it will override anything you set here when the attribute is updated on the Field.

ModelAdmin.get_list_display(request) [source] The get_list_display method is given the HttpRequest and is expected to return a list or tuple of field names that will be displayed on the changelist view as described above in the ModelAdmin.list_display section.

HttpRequest.session From the SessionMiddleware: A readable and writable, dictionary-like object that represents the current session.