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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