Package lxml :: Module etree :: Class XPathDocumentEvaluator

Class XPathDocumentEvaluator

         object --+        
                  |        
_XPathEvaluatorBase --+    
                      |    
  XPathElementEvaluator --+
                          |
                         XPathDocumentEvaluator

XPathDocumentEvaluator(self, etree, namespaces=None, extensions=None, regexp=True) Create an XPath evaluator for an ElementTree.

Additional namespace declarations can be passed with the 'namespace' keyword argument. EXSLT regular expression support can be disabled with the 'regexp' boolean keyword (defaults to True).

Instance Methods

__call__(self, _path, **_variables)
Evaluate an XPath expression on the document.

__init__(self, etree, namespaces=None, extensions=None, regexp=True)
x.__init__(...) initializes x; see x.__class__.__doc__ for signature

a new object with type S, a subtype of T

__new__(T, S, ...)

Inherited from XPathElementEvaluator: registerNamespace, registerNamespaces, register_namespace, register_namespaces

Inherited from _XPathEvaluatorBase: evaluate

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

Properties

Inherited from _XPathEvaluatorBase: error_log

Inherited from object: __class__

Method Details

call(self, _path, **_variables)
(Call operator)

Evaluate an XPath expression on the document.

Variables may be provided as keyword arguments. Note that namespaces are currently not supported for variables.

Overrides: XPathElementEvaluator.__call__

init(self, etree, namespaces=None, extensions=None, regexp=True)
(Constructor)

x.__init__(...) initializes x; see x.__class__.__doc__ for signature

Overrides: object.__init__

new(T, S, ...)

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

Class XPathDocumentEvaluator

__call__(self, _path, **_variables) (Call operator)

__init__(self, etree, namespaces=None, extensions=None, regexp=True) (Constructor)

__new__(T, S, ...)

call(self, _path, **_variables)
(Call operator)

init(self, etree, namespaces=None, extensions=None, regexp=True)
(Constructor)

new(T, S, ...)