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+"""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."""
+
+ # 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