zope :: interface :: interface :: Attribute :: Class Attribute
[hide private]

Class Attribute

object --+    
         |    
   Element --+
             |
            Attribute

Attribute descriptions

Instance Methods [hide private]
 
__provides__(...)
Special descriptor for class __provides__

Inherited from Element: __init__, __providedBy__, getDoc, getName, getTaggedValue, getTaggedValueTags, queryTaggedValue, setTaggedValue

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables [hide private]
  __implemented__ = <implementedBy zope.interface.interface.Attr...
  interface = None
hash(x)
Properties [hide private]

Inherited from object: __class__

Method Details [hide private]

__provides__(...)

 

Special descriptor for class __provides__

The descriptor caches the implementedBy info, so that we can get declarations for objects without instance-specific interfaces a bit quicker.

For example:

>>> from zope.interface import Interface
>>> class IFooFactory(Interface):
...     pass
>>> class IFoo(Interface):
...     pass
>>> class C(object):
...     implements(IFoo)
...     classProvides(IFooFactory)
>>> [i.getName() for i in C.__provides__]
['IFooFactory']
>>> [i.getName() for i in C().__provides__]
['IFoo']
Overrides: Element.__provides__

Class Variable Details [hide private]

__implemented__

Value:
<implementedBy zope.interface.interface.Attribute>