"""W3C Document Object Model implementation for Python. The Python mapping of the Document Object Model is documented in the Python Library Reference in the section on the xml.dom package. This package contains the following modules: minidom -- A simple implementation of the Level 1 DOM with namespace support added (based on the Level 2 specification) and other minor Level 2 functionality. pulldom -- DOM builder supporting on-demand tree-building for selected subtrees of the document. """ class Node: """Class giving the NodeType constants.""" __slots__ = () # DOM implementations may use this as a base class for their own # Node implementations. If they don't, the constants defined here # should still be used as the canonical definitions as they match # the values given in the W3C recommendation. Client code can # safely refer to these values in all tests of Node.nodeType # values. ELEMENT_NODE = 1 ATTRIBUTE_NODE = 2 TEXT_NODE = 3 CDATA_SECTION_NODE = 4 ENTITY_REFERENCE_NODE = 5 ENTITY_NODE = 6 PROCESSING_INSTRUCTION_NODE = 7 COMMENT_NODE = 8 DOCUMENT_NODE = 9 DOCUMENT_TYPE_NODE = 10 DOCUMENT_FRAGMENT_NODE = 11 NOTATION_NODE = 12 #ExceptionCode INDEX_SIZE_ERR = 1 DOMSTRING_SIZE_ERR = 2 HIERARCHY_REQUEST_ERR = 3 WRONG_DOCUMENT_ERR = 4 INVALID_CHARACTER_ERR = 5 NO_DATA_ALLOWED_ERR = 6 NO_MODIFICATION_ALLOWED_ERR = 7 NOT_FOUND_ERR = 8 NOT_SUPPORTED_ERR = 9 INUSE_ATTRIBUTE_ERR = 10 INVALID_STATE_ERR = 11 SYNTAX_ERR = 12 INVALID_MODIFICATION_ERR = 13 NAMESPACE_ERR = 14 INVALID_ACCESS_ERR = 15 VALIDATION_ERR = 16 class DOMException(Exception): """Abstract base class for DOM exceptions. Exceptions with specific codes are specializations of this class.""" def __init__(self, *args, **kw): if self.__class__ is DOMException: raise RuntimeError( "DOMException should not be instantiated directly") Exception.__init__(self, *args, **kw) def _get_code(self): return self.code class IndexSizeErr(DOMException): code = INDEX_SIZE_ERR class DomstringSizeErr(DOMException): code = DOMSTRING_SIZE_ERR class HierarchyRequestErr(DOMException): code = HIERARCHY_REQUEST_ERR class WrongDocumentErr(DOMException): code = WRONG_DOCUMENT_ERR class InvalidCharacterErr(DOMException): code = INVALID_CHARACTER_ERR class NoDataAllowedErr(DOMException): code = NO_DATA_ALLOWED_ERR class NoModificationAllowedErr(DOMException): code = NO_MODIFICATION_ALLOWED_ERR class NotFoundErr(DOMException): code = NOT_FOUND_ERR class NotSupportedErr(DOMException): code = NOT_SUPPORTED_ERR class InuseAttributeErr(DOMException): code = INUSE_ATTRIBUTE_ERR class InvalidStateErr(DOMException): code = INVALID_STATE_ERR class SyntaxErr(DOMException): code = SYNTAX_ERR class InvalidModificationErr(DOMException): code = INVALID_MODIFICATION_ERR class NamespaceErr(DOMException): code = NAMESPACE_ERR class InvalidAccessErr(DOMException): code = INVALID_ACCESS_ERR class ValidationErr(DOMException): code = VALIDATION_ERR class UserDataHandler: """Class giving the operation constants for UserDataHandler.handle().""" # Based on DOM Level 3 (WD 9 April 2002) NODE_CLONED = 1 NODE_IMPORTED = 2 NODE_DELETED = 3 NODE_RENAMED = 4 XML_NAMESPACE = "http://www.w3.org/XML/1998/namespace" XMLNS_NAMESPACE = "http://www.w3.org/2000/xmlns/" XHTML_NAMESPACE = "http://www.w3.org/1999/xhtml" EMPTY_NAMESPACE = None EMPTY_PREFIX = None from .domreg import getDOMImplementation, registerDOMImplementation