Package lxml :: Module etree :: Class CustomElementClassLookup

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# Class CustomElementClassLookup

                object --+
                         |
        ElementClassLookup --+
                             |
    FallbackElementClassLookup --+
                                 |
                                CustomElementClassLookup

Known Subclasses:
  - html.HtmlElementClassLookup

CustomElementClassLookup(self, fallback=None) Element class lookup based on a subclass method.

You can inherit from this class and override the method:

    lookup(self, type, doc, namespace, name)

to lookup the element class for a node. Arguments of the method: * type: one of 'element', 'comment', 'PI', 'entity' * doc: document that the node is in * namespace: namespace URI of the node (or None for comments/PIs/entities) * name: name of the element/entity, None for comments, target for PIs

If you return None from this method, the fallback will be called.

Instance Methods | [hide private]

a new object with type S, a subtype of T

__new__(T, S, ...) |

lookup(self, type, doc, namespace, name) |

Inherited from `FallbackElementClassLookup`: `__init__`, `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]

### __new__(T, S, ...)

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