Data structure for complexe enumeration.
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Data structure for storing complex enumeration
>>> class Color(Catalog): >>> _attrs = 'value', 'label', 'other' >>> red = 1, 'Red', 'stuff' >>> blue = 2, 'Blue', 'things'
Access values as Attributes
>>> Color.red.value 1 >>> Color.red.label 'Red'
Call to look up members by attribute value
>>> Color('Blue', 'label') Color.blue
Calling without attribute specified assumes first attribute defined in _attrs
>>> Color(1) Color.red
_attrs defaults to ['value'].
Member class can be replaced by extending CatalogMember and defining on Catalog with the _member_class attribute
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