Class AttributeBasedElementClassLookup

            object --+        
                     |        
    ElementClassLookup --+    
                         |    
FallbackElementClassLookup --+
                             |
                            AttributeBasedElementClassLookup

AttributeBasedElementClassLookup(self, attribute_name, class_mapping, fallback=None) Checks an attribute of an Element and looks up the value in a class dictionary.

Arguments:

attribute name - '{ns}name' style string
class mapping - Python dict mapping attribute values to Element classes
fallback - optional fallback lookup mechanism

A None key in the class mapping will be checked if the attribute is missing.

Instance Methods

[hide private]

__init__(self, attribute_name, class_mapping, fallback=None)
x.__init__(...) initializes x; see help(type(x)) for signature

a new object with type S, a subtype of T

__new__(T, S, ...)

Inherited from FallbackElementClassLookup: set_fallback

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

Properties

[hide private]

Inherited from FallbackElementClassLookup: fallback

Inherited from object: __class__

Method Details

[hide private]

init(self, attribute_name, class_mapping, fallback=None)
(Constructor)

x.__init__(...) initializes x; see help(type(x)) for signature

Overrides: object.__init__

new(T, S, ...)

Returns: a new object with type S, a subtype of T
Overrides: object.__new__

Class AttributeBasedElementClassLookup

__init__(self, attribute_name, class_mapping, fallback=None) (Constructor)

__new__(T, S, ...)

init(self, attribute_name, class_mapping, fallback=None)
(Constructor)

new(T, S, ...)