twisted.python.components

Package twisted :: Package python :: Module components

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Module twisted.python.components

Component architecture for Twisted.

Classes
`Interface`	Base class for interfaces.
`Componentized`	I am a mixin to allow you to be adapted in various ways persistently.

Function Summary
	`implements(obj, interfaceClass)` Return boolean indicating if obj implements the given interface.
	`getInterfaces(obj)` Return list of all interfaces a class implements.
	`superInterfaces(interface)` Given an interface, return list of super-interfaces (including itself).
	`registerAdapter(adapterClass, origClass, interfaceClass)` Register an adapter class.
	`getAdapterClass(klass, interfaceClass, default)` Return registered adapter for a given class and interface.
	`getAdapter(obj, interfaceClass, default, adapterClassLocator)` Return an object that implements the given interface.

Function Details

getAdapter(obj, interfaceClass, default=<class twisted.python.components._default at..., adapterClassLocator=None)

Return an object that implements the given interface.

The result will be a wrapper around the object passed as a paramter, or the parameter itself if it already implements the interface. If no adapter can be found, the 'default' parameter will be returned.

getAdapterClass(klass, interfaceClass, default)

Return registered adapter for a given class and interface.

getInterfaces(obj)

Return list of all interfaces a class implements.

implements(obj, interfaceClass)

Return boolean indicating if obj implements the given interface.

registerAdapter(adapterClass, origClass, interfaceClass)

An adapter class is expected to implement the given interface, by adapting instances of paramter 'origClass'. An adapter class's __init__ method should accept one parameter, an instance of 'origClass'.

superInterfaces(interface)

Given an interface, return list of super-interfaces (including itself).

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