Denis Popov akadan47

gsakkis / polymorphic.py

Created October 3, 2010 14:06

	'''Manager-based polymorphic model inheritance.

	This module provides a non-intrusive approach for accessing polymorphically
	instances of a model hierarchy. Non-intrusive means:
	- It does not require extending a custom ``Model`` base class or metaclass.
	- It does not require a ``ForeignKey`` to ``ContentType`` or the ``contenttypes``
	app in general. Instead the real class of an instance is determined based on
	the value (polymorphic identity) of a user-specified discriminating field
	(polymorphic on).
	- It does not override the default (or any other) model ``Manager`` (unless

ocean90 / box-shadow.html

Last active September 3, 2024 16:56

CSS3 Box Shadow, only top/right/bottom/left and all