paginate_by An integer specifying how many objects should be displayed per page. If this is given, the view will paginate objects with paginate_by objects per page. The view will expect either a page query string parameter (via request.GET) or a page variable specified in the URLconf.

class TransactionTestCase [source] TransactionTestCase inherits from SimpleTestCase to add some database-specific features: Resetting the database to a known state at the beginning of each test to ease testing and using the ORM. Database fixtures. Test skipping based on database backend features. The remaining specialized assert* methods. Django’s TestCase class is a more commonly used subclass of TransactionTestCase that makes use of database transaction facilities to speed up the process

ping_google() [source] ping_google() takes an optional argument, sitemap_url, which should be the absolute path to your site’s sitemap (e.g., '/sitemap.xml'). If this argument isn’t provided, ping_google() will attempt to figure out your sitemap by performing a reverse looking in your URLconf. ping_google() raises the exception django.contrib.sitemaps.SitemapNotFound if it cannot determine your sitemap URL. Register with Google first! The ping_google() command only works if you have registe

ModelAdmin.formfield_for_foreignkey(db_field, request, **kwargs) The formfield_for_foreignkey method on a ModelAdmin allows you to override the default formfield for a foreign keys field. For example, to return a subset of objects for this foreign key field based on the user: class MyModelAdmin(admin.ModelAdmin): def formfield_for_foreignkey(self, db_field, request, **kwargs): if db_field.name == "car": kwargs["queryset"] = Car.objects.filter(owner=request.user)

dimension Returns the number of coordinated dimensions of the geometry, i.e. 0 for points, 1 for lines, and so forth: >> polygon.dimension 2

size(name) [source] Returns the total size, in bytes, of the file referenced by name. For storage systems that aren’t able to return the file size this will raise NotImplementedError instead.

Field.auto_created Boolean flag that indicates if the field was automatically created, such as the OneToOneField used by model inheritance.

class Func(*expressions, **extra) [source] function A class attribute describing the function that will be generated. Specifically, the function will be interpolated as the function placeholder within template. Defaults to None. template A class attribute, as a format string, that describes the SQL that is generated for this function. Defaults to '%(function)s(%(expressions)s)'. If you’re constructing SQL like strftime('%W', 'date') and need a literal % character in the query, quadr

class SyndicationFeed [source] Base class for all syndication feeds. Subclasses should provide write(). __init__(title, link, description, language=None, author_email=None, author_name=None, author_link=None, subtitle=None, categories=None, feed_url=None, feed_copyright=None, feed_guid=None, ttl=None, **kwargs) [source] Initialize the feed with the given dictionary of metadata, which applies to the entire feed. Any extra keyword arguments you pass to __init__ will be stored in self.feed.

class NumGeometries(expression, **extra) Availability: MySQL, PostGIS, Oracle, SpatiaLite Accepts a single geographic field or expression and returns the number of geometries if the geometry field is a collection (e.g., a GEOMETRYCOLLECTION or MULTI* field); otherwise returns None.