| 1 | """W3C Document Object Model implementation for Python. |
| 2 | |
| 3 | The Python mapping of the Document Object Model is documented in the |
| 4 | Python Library Reference in the section on the xml.dom package. |
| 5 | |
| 6 | This package contains the following modules: |
| 7 | |
| 8 | minidom -- A simple implementation of the Level 1 DOM with namespace |
| 9 | support added (based on the Level 2 specification) and other |
| 10 | minor Level 2 functionality. |
| 11 | |
| 12 | pulldom -- DOM builder supporting on-demand tree-building for selected |
| 13 | subtrees of the document. |
| 14 | |
| 15 | """ |
| 16 | |
| 17 | |
| 18 | class Node: |
| 19 | """Class giving the NodeType constants.""" |
| 20 | |
| 21 | # DOM implementations may use this as a base class for their own |
| 22 | # Node implementations. If they don't, the constants defined here |
| 23 | # should still be used as the canonical definitions as they match |
| 24 | # the values given in the W3C recommendation. Client code can |
| 25 | # safely refer to these values in all tests of Node.nodeType |
| 26 | # values. |
| 27 | |
| 28 | ELEMENT_NODE = 1 |
| 29 | ATTRIBUTE_NODE = 2 |
| 30 | TEXT_NODE = 3 |
| 31 | CDATA_SECTION_NODE = 4 |
| 32 | ENTITY_REFERENCE_NODE = 5 |
| 33 | ENTITY_NODE = 6 |
| 34 | PROCESSING_INSTRUCTION_NODE = 7 |
| 35 | COMMENT_NODE = 8 |
| 36 | DOCUMENT_NODE = 9 |
| 37 | DOCUMENT_TYPE_NODE = 10 |
| 38 | DOCUMENT_FRAGMENT_NODE = 11 |
| 39 | NOTATION_NODE = 12 |
| 40 | |
| 41 | |
| 42 | #ExceptionCode |
| 43 | INDEX_SIZE_ERR = 1 |
| 44 | DOMSTRING_SIZE_ERR = 2 |
| 45 | HIERARCHY_REQUEST_ERR = 3 |
| 46 | WRONG_DOCUMENT_ERR = 4 |
| 47 | INVALID_CHARACTER_ERR = 5 |
| 48 | NO_DATA_ALLOWED_ERR = 6 |
| 49 | NO_MODIFICATION_ALLOWED_ERR = 7 |
| 50 | NOT_FOUND_ERR = 8 |
| 51 | NOT_SUPPORTED_ERR = 9 |
| 52 | INUSE_ATTRIBUTE_ERR = 10 |
| 53 | INVALID_STATE_ERR = 11 |
| 54 | SYNTAX_ERR = 12 |
| 55 | INVALID_MODIFICATION_ERR = 13 |
| 56 | NAMESPACE_ERR = 14 |
| 57 | INVALID_ACCESS_ERR = 15 |
| 58 | VALIDATION_ERR = 16 |
| 59 | |
| 60 | |
| 61 | class DOMException(Exception): |
| 62 | """Abstract base class for DOM exceptions. |
| 63 | Exceptions with specific codes are specializations of this class.""" |
| 64 | |
| 65 | def __init__(self, *args, **kw): |
| 66 | if self.__class__ is DOMException: |
| 67 | raise RuntimeError( |
| 68 | "DOMException should not be instantiated directly") |
| 69 | Exception.__init__(self, *args, **kw) |
| 70 | |
| 71 | def _get_code(self): |
| 72 | return self.code |
| 73 | |
| 74 | |
| 75 | class IndexSizeErr(DOMException): |
| 76 | code = INDEX_SIZE_ERR |
| 77 | |
| 78 | class DomstringSizeErr(DOMException): |
| 79 | code = DOMSTRING_SIZE_ERR |
| 80 | |
| 81 | class HierarchyRequestErr(DOMException): |
| 82 | code = HIERARCHY_REQUEST_ERR |
| 83 | |
| 84 | class WrongDocumentErr(DOMException): |
| 85 | code = WRONG_DOCUMENT_ERR |
| 86 | |
| 87 | class InvalidCharacterErr(DOMException): |
| 88 | code = INVALID_CHARACTER_ERR |
| 89 | |
| 90 | class NoDataAllowedErr(DOMException): |
| 91 | code = NO_DATA_ALLOWED_ERR |
| 92 | |
| 93 | class NoModificationAllowedErr(DOMException): |
| 94 | code = NO_MODIFICATION_ALLOWED_ERR |
| 95 | |
| 96 | class NotFoundErr(DOMException): |
| 97 | code = NOT_FOUND_ERR |
| 98 | |
| 99 | class NotSupportedErr(DOMException): |
| 100 | code = NOT_SUPPORTED_ERR |
| 101 | |
| 102 | class InuseAttributeErr(DOMException): |
| 103 | code = INUSE_ATTRIBUTE_ERR |
| 104 | |
| 105 | class InvalidStateErr(DOMException): |
| 106 | code = INVALID_STATE_ERR |
| 107 | |
| 108 | class SyntaxErr(DOMException): |
| 109 | code = SYNTAX_ERR |
| 110 | |
| 111 | class InvalidModificationErr(DOMException): |
| 112 | code = INVALID_MODIFICATION_ERR |
| 113 | |
| 114 | class NamespaceErr(DOMException): |
| 115 | code = NAMESPACE_ERR |
| 116 | |
| 117 | class InvalidAccessErr(DOMException): |
| 118 | code = INVALID_ACCESS_ERR |
| 119 | |
| 120 | class ValidationErr(DOMException): |
| 121 | code = VALIDATION_ERR |
| 122 | |
| 123 | class UserDataHandler: |
| 124 | """Class giving the operation constants for UserDataHandler.handle().""" |
| 125 | |
| 126 | # Based on DOM Level 3 (WD 9 April 2002) |
| 127 | |
| 128 | NODE_CLONED = 1 |
| 129 | NODE_IMPORTED = 2 |
| 130 | NODE_DELETED = 3 |
| 131 | NODE_RENAMED = 4 |
| 132 | |
| 133 | XML_NAMESPACE = "http://www.w3.org/XML/1998/namespace" |
| 134 | XMLNS_NAMESPACE = "http://www.w3.org/2000/xmlns/" |
| 135 | XHTML_NAMESPACE = "http://www.w3.org/1999/xhtml" |
| 136 | EMPTY_NAMESPACE = None |
| 137 | EMPTY_PREFIX = None |
| 138 | |
| 139 | from domreg import getDOMImplementation,registerDOMImplementation |