diff options
Diffstat (limited to 'modules/language/python/module/xml/dom')
| -rw-r--r-- | modules/language/python/module/xml/dom/#xmlbuilder.py# | 412 | ||||
| -rw-r--r-- | modules/language/python/module/xml/dom/NodeFilter.py~ | 27 | ||||
| -rw-r--r-- | modules/language/python/module/xml/dom/domreg.py~ | 97 | ||||
| -rw-r--r-- | modules/language/python/module/xml/dom/expatbuilder.py~ | 965 | ||||
| -rw-r--r-- | modules/language/python/module/xml/dom/minicompat.py~ | 109 | ||||
| -rw-r--r-- | modules/language/python/module/xml/dom/pulldom.py~ | 342 | ||||
| -rw-r--r-- | modules/language/python/module/xml/dom/xmlbuilder.py~ | 410 |
7 files changed, 0 insertions, 2362 deletions
diff --git a/modules/language/python/module/xml/dom/#xmlbuilder.py# b/modules/language/python/module/xml/dom/#xmlbuilder.py# deleted file mode 100644 index a2a4d1b..0000000 --- a/modules/language/python/module/xml/dom/#xmlbuilder.py# +++ /dev/null @@ -1,412 +0,0 @@ -module(xml,dom,xmlbuilder) - -"""Implementation of the DOM Level 3 'LS-Load' feature.""" - -import copy -import warnings -import xml.dom - -from xml.dom.NodeFilter import NodeFilter - - -__all__ = ["DOMBuilder", "DOMEntityResolver", "DOMInputSource"] - - -class Options: - """Features object that has variables set for each DOMBuilder feature. - - The DOMBuilder class uses an instance of this class to pass settings to - the ExpatBuilder class. - """ - - # Note that the DOMBuilder class in LoadSave constrains which of these - # values can be set using the DOM Level 3 LoadSave feature. - - namespaces = 1 - namespace_declarations = True - validation = False - external_parameter_entities = True - external_general_entities = True - external_dtd_subset = True - validate_if_schema = False - validate = False - datatype_normalization = False - create_entity_ref_nodes = True - entities = True - whitespace_in_element_content = True - cdata_sections = True - comments = True - charset_overrides_xml_encoding = True - infoset = False - supported_mediatypes_only = False - - errorHandler = None - filter = None - - -class DOMBuilder: - entityResolver = None - errorHandler = None - filter = None - - ACTION_REPLACE = 1 - ACTION_APPEND_AS_CHILDREN = 2 - ACTION_INSERT_AFTER = 3 - ACTION_INSERT_BEFORE = 4 - - _legal_actions = (ACTION_REPLACE, ACTION_APPEND_AS_CHILDREN, - ACTION_INSERT_AFTER, ACTION_INSERT_BEFORE) - - def __init__(self): - self._options = Options() - - def _get_entityResolver(self): - return self.entityResolver - def _set_entityResolver(self, entityResolver): - self.entityResolver = entityResolver - - def _get_errorHandler(self): - return self.errorHandler - def _set_errorHandler(self, errorHandler): - self.errorHandler = errorHandler - - def _get_filter(self): - return self.filter - def _set_filter(self, filter): - self.filter = filter - - def setFeature(self, name, state): - if self.supportsFeature(name): - state = state and 1 or 0 - try: - settings = self._settings[(_name_xform(name), state)] - except KeyError: - raise xml.dom.NotSupportedErr( - "unsupported feature: %r" % (name,)) - else: - for name, value in settings: - setattr(self._options, name, value) - else: - raise xml.dom.NotFoundErr("unknown feature: " + repr(name)) - - def supportsFeature(self, name): - return hasattr(self._options, _name_xform(name)) - - def canSetFeature(self, name, state): - key = (_name_xform(name), state and 1 or 0) - return key in self._settings - - # This dictionary maps from (feature,value) to a list of - # (option,value) pairs that should be set on the Options object. - # If a (feature,value) setting is not in this dictionary, it is - # not supported by the DOMBuilder. - # - _settings = { - ("namespace_declarations", 0): [ - ("namespace_declarations", 0)], - ("namespace_declarations", 1): [ - ("namespace_declarations", 1)], - ("validation", 0): [ - ("validation", 0)], - ("external_general_entities", 0): [ - ("external_general_entities", 0)], - ("external_general_entities", 1): [ - ("external_general_entities", 1)], - ("external_parameter_entities", 0): [ - ("external_parameter_entities", 0)], - ("external_parameter_entities", 1): [ - ("external_parameter_entities", 1)], - ("validate_if_schema", 0): [ - ("validate_if_schema", 0)], - ("create_entity_ref_nodes", 0): [ - ("create_entity_ref_nodes", 0)], - ("create_entity_ref_nodes", 1): [ - ("create_entity_ref_nodes", 1)], - ("entities", 0): [ - ("create_entity_ref_nodes", 0), - ("entities", 0)], - ("entities", 1): [ - ("entities", 1)], - ("whitespace_in_element_content", 0): [ - ("whitespace_in_element_content", 0)], - ("whitespace_in_element_content", 1): [ - ("whitespace_in_element_content", 1)], - ("cdata_sections", 0): [ - ("cdata_sections", 0)], - ("cdata_sections", 1): [ - ("cdata_sections", 1)], - ("comments", 0): [ - ("comments", 0)], - ("comments", 1): [ - ("comments", 1)], - ("charset_overrides_xml_encoding", 0): [ - ("charset_overrides_xml_encoding", 0)], - ("charset_overrides_xml_encoding", 1): [ - ("charset_overrides_xml_encoding", 1)], - ("infoset", 0): [], - ("infoset", 1): [ - ("namespace_declarations", 0), - ("validate_if_schema", 0), - ("create_entity_ref_nodes", 0), - ("entities", 0), - ("cdata_sections", 0), - ("datatype_normalization", 1), - ("whitespace_in_element_content", 1), - ("comments", 1), - ("charset_overrides_xml_encoding", 1)], - ("supported_mediatypes_only", 0): [ - ("supported_mediatypes_only", 0)], - ("namespaces", 0): [ - ("namespaces", 0)], - ("namespaces", 1): [ - ("namespaces", 1)], - } - - def getFeature(self, name): - xname = _name_xform(name) - try: - return getattr(self._options, xname) - except AttributeError: - if name == "infoset": - options = self._options - return (options.datatype_normalization - and options.whitespace_in_element_content - and options.comments - and options.charset_overrides_xml_encoding - and not (options.namespace_declarations - or options.validate_if_schema - or options.create_entity_ref_nodes - or options.entities - or options.cdata_sections)) - raise xml.dom.NotFoundErr("feature %s not known" % repr(name)) - - def parseURI(self, uri): - if self.entityResolver: - input = self.entityResolver.resolveEntity(None, uri) - else: - input = DOMEntityResolver().resolveEntity(None, uri) - return self.parse(input) - - def parse(self, input): - options = copy.copy(self._options) - options.filter = self.filter - options.errorHandler = self.errorHandler - fp = input.byteStream - if fp is None and options.systemId: - import urllib.request - fp = urllib.request.urlopen(input.systemId) - return self._parse_bytestream(fp, options) - - def parseWithContext(self, input, cnode, action): - if action not in self._legal_actions: - raise ValueError("not a legal action") - raise NotImplementedError("Haven't written this yet...") - - def _parse_bytestream(self, stream, options): - import xml.dom.expatbuilder - builder = xml.dom.expatbuilder.makeBuilder(options) - return builder.parseFile(stream) - - -def _name_xform(name): - return name.lower().replace('-', '_') - - -class DOMEntityResolver(object): - __slots__ = '_opener', - - def resolveEntity(self, publicId, systemId): - assert systemId is not None - source = DOMInputSource() - source.publicId = publicId - source.systemId = systemId - source.byteStream = self._get_opener().open(systemId) - - # determine the encoding if the transport provided it - source.encoding = self._guess_media_encoding(source) - - # determine the base URI is we can - import posixpath, urllib.parse - parts = urllib.parse.urlparse(systemId) - scheme, netloc, path, params, query, fragment = parts - # XXX should we check the scheme here as well? - if path and not path.endswith("/"): - path = posixpath.dirname(path) + "/" - parts = scheme, netloc, path, params, query, fragment - source.baseURI = urllib.parse.urlunparse(parts) - - return source - - def _get_opener(self): - try: - return self._opener - except AttributeError: - self._opener = self._create_opener() - return self._opener - - def _create_opener(self): - import urllib.request - return urllib.request.build_opener() - - def _guess_media_encoding(self, source): - info = source.byteStream.info() - if "Content-Type" in info: - for param in info.getplist(): - if param.startswith("charset="): - return param.split("=", 1)[1].lower() - - -class DOMInputSource(object): - __slots__ = ('byteStream', 'characterStream', 'stringData', - 'encoding', 'publicId', 'systemId', 'baseURI') - - def __init__(self): - self.byteStream = None - self.characterStream = None - self.stringData = None - self.encoding = None - self.publicId = None - self.systemId = None - self.baseURI = None - - def _get_byteStream(self): - return self.byteStream - def _set_byteStream(self, byteStream): - self.byteStream = byteStream - - def _get_characterStream(self): - return self.characterStream - def _set_characterStream(self, characterStream): - self.characterStream = characterStream - - def _get_stringData(self): - return self.stringData - def _set_stringData(self, data): - self.stringData = data - - def _get_encoding(self): - return self.encoding - def _set_encoding(self, encoding): - self.encoding = encoding - - def _get_publicId(self): - return self.publicId - def _set_publicId(self, publicId): - self.publicId = publicId - - def _get_systemId(self): - return self.systemId - def _set_systemId(self, systemId): - self.systemId = systemId - - def _get_baseURI(self): - return self.baseURI - def _set_baseURI(self, uri): - self.baseURI = uri - - -class DOMBuilderFilter: - """Element filter which can be used to tailor construction of - a DOM instance. - """ - - # There's really no need for this class; concrete implementations - # should just implement the endElement() and startElement() - # methods as appropriate. Using this makes it easy to only - # implement one of them. - - FILTER_ACCEPT = 1 - FILTER_REJECT = 2 - FILTER_SKIP = 3 - FILTER_INTERRUPT = 4 - - whatToShow = NodeFilter.SHOW_ALL - - def _get_whatToShow(self): - return self.whatToShow - - def acceptNode(self, element): - return self.FILTER_ACCEPT - - def startContainer(self, element): - return self.FILTER_ACCEPT - -del NodeFilter - - -class _AsyncDeprecatedProperty: - def warn(self, cls): - clsname = cls.__name__ - warnings.warn( - "{cls}.async is deprecated; use {cls}.async_".format(cls=clsname), - DeprecationWarning) - - def __get__(self, instance, cls): - self.warn(cls) - if instance is not None: - return instance.async_ - return False - - def __set__(self, instance, value): - self.warn(type(instance)) - setattr(instance, 'async_', value) - - -class DocumentLS: - """Mixin to create documents that conform to the load/save spec.""" - - async_ = False - locals()['async'] = _AsyncDeprecatedProperty() # Avoid DeprecationWarning - - def _get_async(self): - return False - - def _set_async(self, flag): - if flag: - raise xml.dom.NotSupportedErr( - "asynchronous document loading is not supported") - - def abort(self): - # What does it mean to "clear" a document? Does the - # documentElement disappear? - raise NotImplementedError( - "haven't figured out what this means yet") - - def load(self, uri): - raise NotImplementedError("haven't written this yet") - - def loadXML(self, source): - raise NotImplementedError("haven't written this yet") - - def saveXML(self, snode): - if snode is None: - snode = self - elif snode.ownerDocument is not self: - raise xml.dom.WrongDocumentErr() - return snode.toxml() - - -del _AsyncDeprecatedProperty - - -class DOMImplementationLS: - MODE_SYNCHRONOUS = 1 - MODE_ASYNCHRONOUS = 2 - - def createDOMBuilder(self, mode, schemaType): - if schemaType is not None: - raise xml.dom.NotSupportedErr( - "schemaType not yet supported") - if mode == self.MODE_SYNCHRONOUS: - return DOMBuilder() - if mode == self.MODE_ASYNCHRONOUS: - raise xml.dom.NotSupportedErr( - "asynchronous builders are not supported") - raise ValueError("unknown value for mode") - - def createDOMWriter(self): - raise NotImplementedError( - "the writer interface hasn't been written yet!") - - def createDOMInputSource(self): - return DOMInputSource() diff --git a/modules/language/python/module/xml/dom/NodeFilter.py~ b/modules/language/python/module/xml/dom/NodeFilter.py~ deleted file mode 100644 index 640e0bf..0000000 --- a/modules/language/python/module/xml/dom/NodeFilter.py~ +++ /dev/null @@ -1,27 +0,0 @@ -# This is the Python mapping for interface NodeFilter from -# DOM2-Traversal-Range. It contains only constants. - -class NodeFilter: - """ - This is the DOM2 NodeFilter interface. It contains only constants. - """ - FILTER_ACCEPT = 1 - FILTER_REJECT = 2 - FILTER_SKIP = 3 - - SHOW_ALL = 0xFFFFFFFF - SHOW_ELEMENT = 0x00000001 - SHOW_ATTRIBUTE = 0x00000002 - SHOW_TEXT = 0x00000004 - SHOW_CDATA_SECTION = 0x00000008 - SHOW_ENTITY_REFERENCE = 0x00000010 - SHOW_ENTITY = 0x00000020 - SHOW_PROCESSING_INSTRUCTION = 0x00000040 - SHOW_COMMENT = 0x00000080 - SHOW_DOCUMENT = 0x00000100 - SHOW_DOCUMENT_TYPE = 0x00000200 - SHOW_DOCUMENT_FRAGMENT = 0x00000400 - SHOW_NOTATION = 0x00000800 - - def acceptNode(self, node): - raise NotImplementedError diff --git a/modules/language/python/module/xml/dom/domreg.py~ b/modules/language/python/module/xml/dom/domreg.py~ deleted file mode 100644 index 8c3d901..0000000 --- a/modules/language/python/module/xml/dom/domreg.py~ +++ /dev/null @@ -1,97 +0,0 @@ -"""Registration facilities for DOM. This module should not be used -directly. Instead, the functions getDOMImplementation and -registerDOMImplementation should be imported from xml.dom.""" - -# This is a list of well-known implementations. Well-known names -# should be published by posting to xml-sig@python.org, and are -# subsequently recorded in this file. - -well_known_implementations = { - 'minidom':'xml.dom.minidom', - '4DOM': 'xml.dom.DOMImplementation', - } - -# DOM implementations not officially registered should register -# themselves with their - -registered = {} - -def registerDOMImplementation(name, factory): - """registerDOMImplementation(name, factory) - - Register the factory function with the name. The factory function - should return an object which implements the DOMImplementation - interface. The factory function can either return the same object, - or a new one (e.g. if that implementation supports some - customization).""" - - registered[name] = factory - -def _good_enough(dom, features): - "_good_enough(dom, features) -> Return 1 if the dom offers the features" - for f,v in features: - if not dom.hasFeature(f,v): - return 0 - return 1 - -def getDOMImplementation(name=None, features=()): - """getDOMImplementation(name = None, features = ()) -> DOM implementation. - - Return a suitable DOM implementation. The name is either - well-known, the module name of a DOM implementation, or None. If - it is not None, imports the corresponding module and returns - DOMImplementation object if the import succeeds. - - If name is not given, consider the available implementations to - find one with the required feature set. If no implementation can - be found, raise an ImportError. The features list must be a sequence - of (feature, version) pairs which are passed to hasFeature.""" - - import os - creator = None - mod = well_known_implementations.get(name) - if mod: - mod = __import__(mod, {}, {}, ['getDOMImplementation']) - return mod.getDOMImplementation() - elif name: - return registered[name]() - elif "PYTHON_DOM" in os.environ: - return getDOMImplementation(name = os.environ["PYTHON_DOM"]) - - # User did not specify a name, try implementations in arbitrary - # order, returning the one that has the required features - if isinstance(features, str): - features = _parse_feature_string(features) - for creator in registered.values(): - dom = creator() - if _good_enough(dom, features): - return dom - - for creator in well_known_implementations.keys(): - try: - dom = getDOMImplementation(name = creator) - except Exception: # typically ImportError, or AttributeError - continue - if _good_enough(dom, features): - return dom - - raise ImportError("no suitable DOM implementation found") - -def _parse_feature_string(s): - features = [] - parts = s.split() - i = 0 - length = len(parts) - while i < length: - feature = parts[i] - if feature[0] in "0123456789": - raise ValueError("bad feature name: %r" % (feature,)) - i = i + 1 - version = None - if i < length: - v = parts[i] - if v[0] in "0123456789": - i = i + 1 - version = v - features.append((feature, version)) - return tuple(features) diff --git a/modules/language/python/module/xml/dom/expatbuilder.py~ b/modules/language/python/module/xml/dom/expatbuilder.py~ deleted file mode 100644 index 2bd835b..0000000 --- a/modules/language/python/module/xml/dom/expatbuilder.py~ +++ /dev/null @@ -1,965 +0,0 @@ -"""Facility to use the Expat parser to load a minidom instance -from a string or file. - -This avoids all the overhead of SAX and pulldom to gain performance. -""" - -# Warning! -# -# This module is tightly bound to the implementation details of the -# minidom DOM and can't be used with other DOM implementations. This -# is due, in part, to a lack of appropriate methods in the DOM (there is -# no way to create Entity and Notation nodes via the DOM Level 2 -# interface), and for performance. The latter is the cause of some fairly -# cryptic code. -# -# Performance hacks: -# -# - .character_data_handler() has an extra case in which continuing -# data is appended to an existing Text node; this can be a -# speedup since pyexpat can break up character data into multiple -# callbacks even though we set the buffer_text attribute on the -# parser. This also gives us the advantage that we don't need a -# separate normalization pass. -# -# - Determining that a node exists is done using an identity comparison -# with None rather than a truth test; this avoids searching for and -# calling any methods on the node object if it exists. (A rather -# nice speedup is achieved this way as well!) - -from xml.dom import xmlbuilder, minidom, Node -from xml.dom import EMPTY_NAMESPACE, EMPTY_PREFIX, XMLNS_NAMESPACE -from xml.parsers import expat -from xml.dom.minidom import _append_child, _set_attribute_node -from xml.dom.NodeFilter import NodeFilter - -TEXT_NODE = Node.TEXT_NODE -CDATA_SECTION_NODE = Node.CDATA_SECTION_NODE -DOCUMENT_NODE = Node.DOCUMENT_NODE - -FILTER_ACCEPT = xmlbuilder.DOMBuilderFilter.FILTER_ACCEPT -FILTER_REJECT = xmlbuilder.DOMBuilderFilter.FILTER_REJECT -FILTER_SKIP = xmlbuilder.DOMBuilderFilter.FILTER_SKIP -FILTER_INTERRUPT = xmlbuilder.DOMBuilderFilter.FILTER_INTERRUPT - -theDOMImplementation = minidom.getDOMImplementation() - -# Expat typename -> TypeInfo -_typeinfo_map = { - "CDATA": minidom.TypeInfo(None, "cdata"), - "ENUM": minidom.TypeInfo(None, "enumeration"), - "ENTITY": minidom.TypeInfo(None, "entity"), - "ENTITIES": minidom.TypeInfo(None, "entities"), - "ID": minidom.TypeInfo(None, "id"), - "IDREF": minidom.TypeInfo(None, "idref"), - "IDREFS": minidom.TypeInfo(None, "idrefs"), - "NMTOKEN": minidom.TypeInfo(None, "nmtoken"), - "NMTOKENS": minidom.TypeInfo(None, "nmtokens"), - } - -class ElementInfo(object): - __slots__ = '_attr_info', '_model', 'tagName' - - def __init__(self, tagName, model=None): - self.tagName = tagName - self._attr_info = [] - self._model = model - - def __getstate__(self): - return self._attr_info, self._model, self.tagName - - def __setstate__(self, state): - self._attr_info, self._model, self.tagName = state - - def getAttributeType(self, aname): - for info in self._attr_info: - if info[1] == aname: - t = info[-2] - if t[0] == "(": - return _typeinfo_map["ENUM"] - else: - return _typeinfo_map[info[-2]] - return minidom._no_type - - def getAttributeTypeNS(self, namespaceURI, localName): - return minidom._no_type - - def isElementContent(self): - if self._model: - type = self._model[0] - return type not in (expat.model.XML_CTYPE_ANY, - expat.model.XML_CTYPE_MIXED) - else: - return False - - def isEmpty(self): - if self._model: - return self._model[0] == expat.model.XML_CTYPE_EMPTY - else: - return False - - def isId(self, aname): - for info in self._attr_info: - if info[1] == aname: - return info[-2] == "ID" - return False - - def isIdNS(self, euri, ename, auri, aname): - # not sure this is meaningful - return self.isId((auri, aname)) - -def _intern(builder, s): - return builder._intern_setdefault(s, s) - -def _parse_ns_name(builder, name): - assert ' ' in name - parts = name.split(' ') - intern = builder._intern_setdefault - if len(parts) == 3: - uri, localname, prefix = parts - prefix = intern(prefix, prefix) - qname = "%s:%s" % (prefix, localname) - qname = intern(qname, qname) - localname = intern(localname, localname) - elif len(parts) == 2: - uri, localname = parts - prefix = EMPTY_PREFIX - qname = localname = intern(localname, localname) - else: - raise ValueError("Unsupported syntax: spaces in URIs not supported: %r" % name) - return intern(uri, uri), localname, prefix, qname - - -class ExpatBuilder: - """Document builder that uses Expat to build a ParsedXML.DOM document - instance.""" - - def __init__(self, options=None): - if options is None: - options = xmlbuilder.Options() - self._options = options - if self._options.filter is not None: - self._filter = FilterVisibilityController(self._options.filter) - else: - self._filter = None - # This *really* doesn't do anything in this case, so - # override it with something fast & minimal. - self._finish_start_element = id - self._parser = None - self.reset() - - def createParser(self): - """Create a new parser object.""" - return expat.ParserCreate() - - def getParser(self): - """Return the parser object, creating a new one if needed.""" - if not self._parser: - self._parser = self.createParser() - self._intern_setdefault = self._parser.intern.setdefault - self._parser.buffer_text = True - self._parser.ordered_attributes = True - self._parser.specified_attributes = True - self.install(self._parser) - return self._parser - - def reset(self): - """Free all data structures used during DOM construction.""" - self.document = theDOMImplementation.createDocument( - EMPTY_NAMESPACE, None, None) - self.curNode = self.document - self._elem_info = self.document._elem_info - self._cdata = False - - def install(self, parser): - """Install the callbacks needed to build the DOM into the parser.""" - # This creates circular references! - parser.StartDoctypeDeclHandler = self.start_doctype_decl_handler - parser.StartElementHandler = self.first_element_handler - parser.EndElementHandler = self.end_element_handler - parser.ProcessingInstructionHandler = self.pi_handler - if self._options.entities: - parser.EntityDeclHandler = self.entity_decl_handler - parser.NotationDeclHandler = self.notation_decl_handler - if self._options.comments: - parser.CommentHandler = self.comment_handler - if self._options.cdata_sections: - parser.StartCdataSectionHandler = self.start_cdata_section_handler - parser.EndCdataSectionHandler = self.end_cdata_section_handler - parser.CharacterDataHandler = self.character_data_handler_cdata - else: - parser.CharacterDataHandler = self.character_data_handler - parser.ExternalEntityRefHandler = self.external_entity_ref_handler - parser.XmlDeclHandler = self.xml_decl_handler - parser.ElementDeclHandler = self.element_decl_handler - parser.AttlistDeclHandler = self.attlist_decl_handler - - def parseFile(self, file): - """Parse a document from a file object, returning the document - node.""" - parser = self.getParser() - first_buffer = True - try: - while 1: - buffer = file.read(16*1024) - if not buffer: - break - parser.Parse(buffer, 0) - if first_buffer and self.document.documentElement: - self._setup_subset(buffer) - first_buffer = False - parser.Parse("", True) - except ParseEscape: - pass - doc = self.document - self.reset() - self._parser = None - return doc - - def parseString(self, string): - """Parse a document from a string, returning the document node.""" - parser = self.getParser() - try: - parser.Parse(string, True) - self._setup_subset(string) - except ParseEscape: - pass - doc = self.document - self.reset() - self._parser = None - return doc - - def _setup_subset(self, buffer): - """Load the internal subset if there might be one.""" - if self.document.doctype: - extractor = InternalSubsetExtractor() - extractor.parseString(buffer) - subset = extractor.getSubset() - self.document.doctype.internalSubset = subset - - def start_doctype_decl_handler(self, doctypeName, systemId, publicId, - has_internal_subset): - doctype = self.document.implementation.createDocumentType( - doctypeName, publicId, systemId) - doctype.ownerDocument = self.document - _append_child(self.document, doctype) - self.document.doctype = doctype - if self._filter and self._filter.acceptNode(doctype) == FILTER_REJECT: - self.document.doctype = None - del self.document.childNodes[-1] - doctype = None - self._parser.EntityDeclHandler = None - self._parser.NotationDeclHandler = None - if has_internal_subset: - if doctype is not None: - doctype.entities._seq = [] - doctype.notations._seq = [] - self._parser.CommentHandler = None - self._parser.ProcessingInstructionHandler = None - self._parser.EndDoctypeDeclHandler = self.end_doctype_decl_handler - - def end_doctype_decl_handler(self): - if self._options.comments: - self._parser.CommentHandler = self.comment_handler - self._parser.ProcessingInstructionHandler = self.pi_handler - if not (self._elem_info or self._filter): - self._finish_end_element = id - - def pi_handler(self, target, data): - node = self.document.createProcessingInstruction(target, data) - _append_child(self.curNode, node) - if self._filter and self._filter.acceptNode(node) == FILTER_REJECT: - self.curNode.removeChild(node) - - def character_data_handler_cdata(self, data): - childNodes = self.curNode.childNodes - if self._cdata: - if ( self._cdata_continue - and childNodes[-1].nodeType == CDATA_SECTION_NODE): - childNodes[-1].appendData(data) - return - node = self.document.createCDATASection(data) - self._cdata_continue = True - elif childNodes and childNodes[-1].nodeType == TEXT_NODE: - node = childNodes[-1] - value = node.data + data - node.data = value - return - else: - node = minidom.Text() - node.data = data - node.ownerDocument = self.document - _append_child(self.curNode, node) - - def character_data_handler(self, data): - childNodes = self.curNode.childNodes - if childNodes and childNodes[-1].nodeType == TEXT_NODE: - node = childNodes[-1] - node.data = node.data + data - return - node = minidom.Text() - node.data = node.data + data - node.ownerDocument = self.document - _append_child(self.curNode, node) - - def entity_decl_handler(self, entityName, is_parameter_entity, value, - base, systemId, publicId, notationName): - if is_parameter_entity: - # we don't care about parameter entities for the DOM - return - if not self._options.entities: - return - node = self.document._create_entity(entityName, publicId, - systemId, notationName) - if value is not None: - # internal entity - # node *should* be readonly, but we'll cheat - child = self.document.createTextNode(value) - node.childNodes.append(child) - self.document.doctype.entities._seq.append(node) - if self._filter and self._filter.acceptNode(node) == FILTER_REJECT: - del self.document.doctype.entities._seq[-1] - - def notation_decl_handler(self, notationName, base, systemId, publicId): - node = self.document._create_notation(notationName, publicId, systemId) - self.document.doctype.notations._seq.append(node) - if self._filter and self._filter.acceptNode(node) == FILTER_ACCEPT: - del self.document.doctype.notations._seq[-1] - - def comment_handler(self, data): - node = self.document.createComment(data) - _append_child(self.curNode, node) - if self._filter and self._filter.acceptNode(node) == FILTER_REJECT: - self.curNode.removeChild(node) - - def start_cdata_section_handler(self): - self._cdata = True - self._cdata_continue = False - - def end_cdata_section_handler(self): - self._cdata = False - self._cdata_continue = False - - def external_entity_ref_handler(self, context, base, systemId, publicId): - return 1 - - def first_element_handler(self, name, attributes): - if self._filter is None and not self._elem_info: - self._finish_end_element = id - self.getParser().StartElementHandler = self.start_element_handler - self.start_element_handler(name, attributes) - - def start_element_handler(self, name, attributes): - node = self.document.createElement(name) - _append_child(self.curNode, node) - self.curNode = node - - if attributes: - for i in range(0, len(attributes), 2): - a = minidom.Attr(attributes[i], EMPTY_NAMESPACE, - None, EMPTY_PREFIX) - value = attributes[i+1] - a.value = value - a.ownerDocument = self.document - _set_attribute_node(node, a) - - if node is not self.document.documentElement: - self._finish_start_element(node) - - def _finish_start_element(self, node): - if self._filter: - # To be general, we'd have to call isSameNode(), but this - # is sufficient for minidom: - if node is self.document.documentElement: - return - filt = self._filter.startContainer(node) - if filt == FILTER_REJECT: - # ignore this node & all descendents - Rejecter(self) - elif filt == FILTER_SKIP: - # ignore this node, but make it's children become - # children of the parent node - Skipper(self) - else: - return - self.curNode = node.parentNode - node.parentNode.removeChild(node) - node.unlink() - - # If this ever changes, Namespaces.end_element_handler() needs to - # be changed to match. - # - def end_element_handler(self, name): - curNode = self.curNode - self.curNode = curNode.parentNode - self._finish_end_element(curNode) - - def _finish_end_element(self, curNode): - info = self._elem_info.get(curNode.tagName) - if info: - self._handle_white_text_nodes(curNode, info) - if self._filter: - if curNode is self.document.documentElement: - return - if self._filter.acceptNode(curNode) == FILTER_REJECT: - self.curNode.removeChild(curNode) - curNode.unlink() - - def _handle_white_text_nodes(self, node, info): - if (self._options.whitespace_in_element_content - or not info.isElementContent()): - return - - # We have element type information and should remove ignorable - # whitespace; identify for text nodes which contain only - # whitespace. - L = [] - for child in node.childNodes: - if child.nodeType == TEXT_NODE and not child.data.strip(): - L.append(child) - - # Remove ignorable whitespace from the tree. - for child in L: - node.removeChild(child) - - def element_decl_handler(self, name, model): - info = self._elem_info.get(name) - if info is None: - self._elem_info[name] = ElementInfo(name, model) - else: - assert info._model is None - info._model = model - - def attlist_decl_handler(self, elem, name, type, default, required): - info = self._elem_info.get(elem) - if info is None: - info = ElementInfo(elem) - self._elem_info[elem] = info - info._attr_info.append( - [None, name, None, None, default, 0, type, required]) - - def xml_decl_handler(self, version, encoding, standalone): - self.document.version = version - self.document.encoding = encoding - # This is still a little ugly, thanks to the pyexpat API. ;-( - if standalone >= 0: - if standalone: - self.document.standalone = True - else: - self.document.standalone = False - - -# Don't include FILTER_INTERRUPT, since that's checked separately -# where allowed. -_ALLOWED_FILTER_RETURNS = (FILTER_ACCEPT, FILTER_REJECT, FILTER_SKIP) - -class FilterVisibilityController(object): - """Wrapper around a DOMBuilderFilter which implements the checks - to make the whatToShow filter attribute work.""" - - __slots__ = 'filter', - - def __init__(self, filter): - self.filter = filter - - def startContainer(self, node): - mask = self._nodetype_mask[node.nodeType] - if self.filter.whatToShow & mask: - val = self.filter.startContainer(node) - if val == FILTER_INTERRUPT: - raise ParseEscape - if val not in _ALLOWED_FILTER_RETURNS: - raise ValueError( - "startContainer() returned illegal value: " + repr(val)) - return val - else: - return FILTER_ACCEPT - - def acceptNode(self, node): - mask = self._nodetype_mask[node.nodeType] - if self.filter.whatToShow & mask: - val = self.filter.acceptNode(node) - if val == FILTER_INTERRUPT: - raise ParseEscape - if val == FILTER_SKIP: - # move all child nodes to the parent, and remove this node - parent = node.parentNode - for child in node.childNodes[:]: - parent.appendChild(child) - # node is handled by the caller - return FILTER_REJECT - if val not in _ALLOWED_FILTER_RETURNS: - raise ValueError( - "acceptNode() returned illegal value: " + repr(val)) - return val - else: - return FILTER_ACCEPT - - _nodetype_mask = { - Node.ELEMENT_NODE: NodeFilter.SHOW_ELEMENT, - Node.ATTRIBUTE_NODE: NodeFilter.SHOW_ATTRIBUTE, - Node.TEXT_NODE: NodeFilter.SHOW_TEXT, - Node.CDATA_SECTION_NODE: NodeFilter.SHOW_CDATA_SECTION, - Node.ENTITY_REFERENCE_NODE: NodeFilter.SHOW_ENTITY_REFERENCE, - Node.ENTITY_NODE: NodeFilter.SHOW_ENTITY, - Node.PROCESSING_INSTRUCTION_NODE: NodeFilter.SHOW_PROCESSING_INSTRUCTION, - Node.COMMENT_NODE: NodeFilter.SHOW_COMMENT, - Node.DOCUMENT_NODE: NodeFilter.SHOW_DOCUMENT, - Node.DOCUMENT_TYPE_NODE: NodeFilter.SHOW_DOCUMENT_TYPE, - Node.DOCUMENT_FRAGMENT_NODE: NodeFilter.SHOW_DOCUMENT_FRAGMENT, - Node.NOTATION_NODE: NodeFilter.SHOW_NOTATION, - } - - -class FilterCrutch(object): - __slots__ = '_builder', '_level', '_old_start', '_old_end' - - def __init__(self, builder): - self._level = 0 - self._builder = builder - parser = builder._parser - self._old_start = parser.StartElementHandler - self._old_end = parser.EndElementHandler - parser.StartElementHandler = self.start_element_handler - parser.EndElementHandler = self.end_element_handler - -class Rejecter(FilterCrutch): - __slots__ = () - - def __init__(self, builder): - FilterCrutch.__init__(self, builder) - parser = builder._parser - for name in ("ProcessingInstructionHandler", - "CommentHandler", - "CharacterDataHandler", - "StartCdataSectionHandler", - "EndCdataSectionHandler", - "ExternalEntityRefHandler", - ): - setattr(parser, name, None) - - def start_element_handler(self, *args): - self._level = self._level + 1 - - def end_element_handler(self, *args): - if self._level == 0: - # restore the old handlers - parser = self._builder._parser - self._builder.install(parser) - parser.StartElementHandler = self._old_start - parser.EndElementHandler = self._old_end - else: - self._level = self._level - 1 - -class Skipper(FilterCrutch): - __slots__ = () - - def start_element_handler(self, *args): - node = self._builder.curNode - self._old_start(*args) - if self._builder.curNode is not node: - self._level = self._level + 1 - - def end_element_handler(self, *args): - if self._level == 0: - # We're popping back out of the node we're skipping, so we - # shouldn't need to do anything but reset the handlers. - self._builder._parser.StartElementHandler = self._old_start - self._builder._parser.EndElementHandler = self._old_end - self._builder = None - else: - self._level = self._level - 1 - self._old_end(*args) - - -# framework document used by the fragment builder. -# Takes a string for the doctype, subset string, and namespace attrs string. - -_FRAGMENT_BUILDER_INTERNAL_SYSTEM_ID = \ - "http://xml.python.org/entities/fragment-builder/internal" - -_FRAGMENT_BUILDER_TEMPLATE = ( - '''\ -<!DOCTYPE wrapper - %%s [ - <!ENTITY fragment-builder-internal - SYSTEM "%s"> -%%s -]> -<wrapper %%s ->&fragment-builder-internal;</wrapper>''' - % _FRAGMENT_BUILDER_INTERNAL_SYSTEM_ID) - - -class FragmentBuilder(ExpatBuilder): - """Builder which constructs document fragments given XML source - text and a context node. - - The context node is expected to provide information about the - namespace declarations which are in scope at the start of the - fragment. - """ - - def __init__(self, context, options=None): - if context.nodeType == DOCUMENT_NODE: - self.originalDocument = context - self.context = context - else: - self.originalDocument = context.ownerDocument - self.context = context - ExpatBuilder.__init__(self, options) - - def reset(self): - ExpatBuilder.reset(self) - self.fragment = None - - def parseFile(self, file): - """Parse a document fragment from a file object, returning the - fragment node.""" - return self.parseString(file.read()) - - def parseString(self, string): - """Parse a document fragment from a string, returning the - fragment node.""" - self._source = string - parser = self.getParser() - doctype = self.originalDocument.doctype - ident = "" - if doctype: - subset = doctype.internalSubset or self._getDeclarations() - if doctype.publicId: - ident = ('PUBLIC "%s" "%s"' - % (doctype.publicId, doctype.systemId)) - elif doctype.systemId: - ident = 'SYSTEM "%s"' % doctype.systemId - else: - subset = "" - nsattrs = self._getNSattrs() # get ns decls from node's ancestors - document = _FRAGMENT_BUILDER_TEMPLATE % (ident, subset, nsattrs) - try: - parser.Parse(document, 1) - except: - self.reset() - raise - fragment = self.fragment - self.reset() -## self._parser = None - return fragment - - def _getDeclarations(self): - """Re-create the internal subset from the DocumentType node. - - This is only needed if we don't already have the - internalSubset as a string. - """ - doctype = self.context.ownerDocument.doctype - s = "" - if doctype: - for i in range(doctype.notations.length): - notation = doctype.notations.item(i) - if s: - s = s + "\n " - s = "%s<!NOTATION %s" % (s, notation.nodeName) - if notation.publicId: - s = '%s PUBLIC "%s"\n "%s">' \ - % (s, notation.publicId, notation.systemId) - else: - s = '%s SYSTEM "%s">' % (s, notation.systemId) - for i in range(doctype.entities.length): - entity = doctype.entities.item(i) - if s: - s = s + "\n " - s = "%s<!ENTITY %s" % (s, entity.nodeName) - if entity.publicId: - s = '%s PUBLIC "%s"\n "%s"' \ - % (s, entity.publicId, entity.systemId) - elif entity.systemId: - s = '%s SYSTEM "%s"' % (s, entity.systemId) - else: - s = '%s "%s"' % (s, entity.firstChild.data) - if entity.notationName: - s = "%s NOTATION %s" % (s, entity.notationName) - s = s + ">" - return s - - def _getNSattrs(self): - return "" - - def external_entity_ref_handler(self, context, base, systemId, publicId): - if systemId == _FRAGMENT_BUILDER_INTERNAL_SYSTEM_ID: - # this entref is the one that we made to put the subtree - # in; all of our given input is parsed in here. - old_document = self.document - old_cur_node = self.curNode - parser = self._parser.ExternalEntityParserCreate(context) - # put the real document back, parse into the fragment to return - self.document = self.originalDocument - self.fragment = self.document.createDocumentFragment() - self.curNode = self.fragment - try: - parser.Parse(self._source, 1) - finally: - self.curNode = old_cur_node - self.document = old_document - self._source = None - return -1 - else: - return ExpatBuilder.external_entity_ref_handler( - self, context, base, systemId, publicId) - - -class Namespaces: - """Mix-in class for builders; adds support for namespaces.""" - - def _initNamespaces(self): - # list of (prefix, uri) ns declarations. Namespace attrs are - # constructed from this and added to the element's attrs. - self._ns_ordered_prefixes = [] - - def createParser(self): - """Create a new namespace-handling parser.""" - parser = expat.ParserCreate(namespace_separator=" ") - parser.namespace_prefixes = True - return parser - - def install(self, parser): - """Insert the namespace-handlers onto the parser.""" - ExpatBuilder.install(self, parser) - if self._options.namespace_declarations: - parser.StartNamespaceDeclHandler = ( - self.start_namespace_decl_handler) - - def start_namespace_decl_handler(self, prefix, uri): - """Push this namespace declaration on our storage.""" - self._ns_ordered_prefixes.append((prefix, uri)) - - def start_element_handler(self, name, attributes): - if ' ' in name: - uri, localname, prefix, qname = _parse_ns_name(self, name) - else: - uri = EMPTY_NAMESPACE - qname = name - localname = None - prefix = EMPTY_PREFIX - node = minidom.Element(qname, uri, prefix, localname) - node.ownerDocument = self.document - _append_child(self.curNode, node) - self.curNode = node - - if self._ns_ordered_prefixes: - for prefix, uri in self._ns_ordered_prefixes: - if prefix: - a = minidom.Attr(_intern(self, 'xmlns:' + prefix), - XMLNS_NAMESPACE, prefix, "xmlns") - else: - a = minidom.Attr("xmlns", XMLNS_NAMESPACE, - "xmlns", EMPTY_PREFIX) - a.value = uri - a.ownerDocument = self.document - _set_attribute_node(node, a) - del self._ns_ordered_prefixes[:] - - if attributes: - node._ensure_attributes() - _attrs = node._attrs - _attrsNS = node._attrsNS - for i in range(0, len(attributes), 2): - aname = attributes[i] - value = attributes[i+1] - if ' ' in aname: - uri, localname, prefix, qname = _parse_ns_name(self, aname) - a = minidom.Attr(qname, uri, localname, prefix) - _attrs[qname] = a - _attrsNS[(uri, localname)] = a - else: - a = minidom.Attr(aname, EMPTY_NAMESPACE, - aname, EMPTY_PREFIX) - _attrs[aname] = a - _attrsNS[(EMPTY_NAMESPACE, aname)] = a - a.ownerDocument = self.document - a.value = value - a.ownerElement = node - - if __debug__: - # This only adds some asserts to the original - # end_element_handler(), so we only define this when -O is not - # used. If changing one, be sure to check the other to see if - # it needs to be changed as well. - # - def end_element_handler(self, name): - curNode = self.curNode - if ' ' in name: - uri, localname, prefix, qname = _parse_ns_name(self, name) - assert (curNode.namespaceURI == uri - and curNode.localName == localname - and curNode.prefix == prefix), \ - "element stack messed up! (namespace)" - else: - assert curNode.nodeName == name, \ - "element stack messed up - bad nodeName" - assert curNode.namespaceURI == EMPTY_NAMESPACE, \ - "element stack messed up - bad namespaceURI" - self.curNode = curNode.parentNode - self._finish_end_element(curNode) - - -class ExpatBuilderNS(Namespaces, ExpatBuilder): - """Document builder that supports namespaces.""" - - def reset(self): - ExpatBuilder.reset(self) - self._initNamespaces() - - -class FragmentBuilderNS(Namespaces, FragmentBuilder): - """Fragment builder that supports namespaces.""" - - def reset(self): - FragmentBuilder.reset(self) - self._initNamespaces() - - def _getNSattrs(self): - """Return string of namespace attributes from this element and - ancestors.""" - # XXX This needs to be re-written to walk the ancestors of the - # context to build up the namespace information from - # declarations, elements, and attributes found in context. - # Otherwise we have to store a bunch more data on the DOM - # (though that *might* be more reliable -- not clear). - attrs = "" - context = self.context - L = [] - while context: - if hasattr(context, '_ns_prefix_uri'): - for prefix, uri in context._ns_prefix_uri.items(): - # add every new NS decl from context to L and attrs string - if prefix in L: - continue - L.append(prefix) - if prefix: - declname = "xmlns:" + prefix - else: - declname = "xmlns" - if attrs: - attrs = "%s\n %s='%s'" % (attrs, declname, uri) - else: - attrs = " %s='%s'" % (declname, uri) - context = context.parentNode - return attrs - - -class ParseEscape(Exception): - """Exception raised to short-circuit parsing in InternalSubsetExtractor.""" - pass - -class InternalSubsetExtractor(ExpatBuilder): - """XML processor which can rip out the internal document type subset.""" - - subset = None - - def getSubset(self): - """Return the internal subset as a string.""" - return self.subset - - def parseFile(self, file): - try: - ExpatBuilder.parseFile(self, file) - except ParseEscape: - pass - - def parseString(self, string): - try: - ExpatBuilder.parseString(self, string) - except ParseEscape: - pass - - def install(self, parser): - parser.StartDoctypeDeclHandler = self.start_doctype_decl_handler - parser.StartElementHandler = self.start_element_handler - - def start_doctype_decl_handler(self, name, publicId, systemId, - has_internal_subset): - if has_internal_subset: - parser = self.getParser() - self.subset = [] - parser.DefaultHandler = self.subset.append - parser.EndDoctypeDeclHandler = self.end_doctype_decl_handler - else: - raise ParseEscape() - - def end_doctype_decl_handler(self): - s = ''.join(self.subset).replace('\r\n', '\n').replace('\r', '\n') - self.subset = s - raise ParseEscape() - - def start_element_handler(self, name, attrs): - raise ParseEscape() - - -def parse(file, namespaces=True): - """Parse a document, returning the resulting Document node. - - 'file' may be either a file name or an open file object. - """ - if namespaces: - builder = ExpatBuilderNS() - else: - builder = ExpatBuilder() - - if isinstance(file, str): - with open(file, 'rb') as fp: - result = builder.parseFile(fp) - else: - result = builder.parseFile(file) - return result - - -def parseString(string, namespaces=True): - """Parse a document from a string, returning the resulting - Document node. - """ - if namespaces: - builder = ExpatBuilderNS() - else: - builder = ExpatBuilder() - return builder.parseString(string) - - -def parseFragment(file, context, namespaces=True): - """Parse a fragment of a document, given the context from which it - was originally extracted. context should be the parent of the - node(s) which are in the fragment. - - 'file' may be either a file name or an open file object. - """ - if namespaces: - builder = FragmentBuilderNS(context) - else: - builder = FragmentBuilder(context) - - if isinstance(file, str): - with open(file, 'rb') as fp: - result = builder.parseFile(fp) - else: - result = builder.parseFile(file) - return result - - -def parseFragmentString(string, context, namespaces=True): - """Parse a fragment of a document from a string, given the context - from which it was originally extracted. context should be the - parent of the node(s) which are in the fragment. - """ - if namespaces: - builder = FragmentBuilderNS(context) - else: - builder = FragmentBuilder(context) - return builder.parseString(string) - - -def makeBuilder(options): - """Create a builder based on an Options object.""" - if options.namespaces: - return ExpatBuilderNS(options) - else: - return ExpatBuilder(options) diff --git a/modules/language/python/module/xml/dom/minicompat.py~ b/modules/language/python/module/xml/dom/minicompat.py~ deleted file mode 100644 index 5d6fae9..0000000 --- a/modules/language/python/module/xml/dom/minicompat.py~ +++ /dev/null @@ -1,109 +0,0 @@ -"""Python version compatibility support for minidom. - -This module contains internal implementation details and -should not be imported; use xml.dom.minidom instead. -""" - -# This module should only be imported using "import *". -# -# The following names are defined: -# -# NodeList -- lightest possible NodeList implementation -# -# EmptyNodeList -- lightest possible NodeList that is guaranteed to -# remain empty (immutable) -# -# StringTypes -- tuple of defined string types -# -# defproperty -- function used in conjunction with GetattrMagic; -# using these together is needed to make them work -# as efficiently as possible in both Python 2.2+ -# and older versions. For example: -# -# class MyClass(GetattrMagic): -# def _get_myattr(self): -# return something -# -# defproperty(MyClass, "myattr", -# "return some value") -# -# For Python 2.2 and newer, this will construct a -# property object on the class, which avoids -# needing to override __getattr__(). It will only -# work for read-only attributes. -# -# For older versions of Python, inheriting from -# GetattrMagic will use the traditional -# __getattr__() hackery to achieve the same effect, -# but less efficiently. -# -# defproperty() should be used for each version of -# the relevant _get_<property>() function. - -__all__ = ["NodeList", "EmptyNodeList", "StringTypes", "defproperty"] - -import xml.dom - -StringTypes = (str,) - - -class NodeList(list): - __slots__ = () - - def item(self, index): - if 0 <= index < len(self): - return self[index] - - def _get_length(self): - return len(self) - - def _set_length(self, value): - raise xml.dom.NoModificationAllowedErr( - "attempt to modify read-only attribute 'length'") - - length = property(_get_length, _set_length, - doc="The number of nodes in the NodeList.") - - # For backward compatibility - def __setstate__(self, state): - if state is None: - state = [] - self[:] = state - - -class EmptyNodeList(tuple): - __slots__ = () - - def __add__(self, other): - NL = NodeList() - NL.extend(other) - return NL - - def __radd__(self, other): - NL = NodeList() - NL.extend(other) - return NL - - def item(self, index): - return None - - def _get_length(self): - return 0 - - def _set_length(self, value): - raise xml.dom.NoModificationAllowedErr( - "attempt to modify read-only attribute 'length'") - - length = property(_get_length, _set_length, - doc="The number of nodes in the NodeList.") - - -def defproperty(klass, name, doc): - get = getattr(klass, ("_get_" + name)) - def set(self, value, name=name): - raise xml.dom.NoModificationAllowedErr( - "attempt to modify read-only attribute " + repr(name)) - assert not hasattr(klass, "_set_" + name), \ - "expected not to find _set_" + name - prop = property(get, set, doc=doc) - setattr(klass, name, prop) diff --git a/modules/language/python/module/xml/dom/pulldom.py~ b/modules/language/python/module/xml/dom/pulldom.py~ deleted file mode 100644 index 43504f7..0000000 --- a/modules/language/python/module/xml/dom/pulldom.py~ +++ /dev/null @@ -1,342 +0,0 @@ -import xml.sax -import xml.sax.handler - -START_ELEMENT = "START_ELEMENT" -END_ELEMENT = "END_ELEMENT" -COMMENT = "COMMENT" -START_DOCUMENT = "START_DOCUMENT" -END_DOCUMENT = "END_DOCUMENT" -PROCESSING_INSTRUCTION = "PROCESSING_INSTRUCTION" -IGNORABLE_WHITESPACE = "IGNORABLE_WHITESPACE" -CHARACTERS = "CHARACTERS" - -class PullDOM(xml.sax.ContentHandler): - _locator = None - document = None - - def __init__(self, documentFactory=None): - from xml.dom import XML_NAMESPACE - self.documentFactory = documentFactory - self.firstEvent = [None, None] - self.lastEvent = self.firstEvent - self.elementStack = [] - self.push = self.elementStack.append - try: - self.pop = self.elementStack.pop - except AttributeError: - # use class' pop instead - pass - self._ns_contexts = [{XML_NAMESPACE:'xml'}] # contains uri -> prefix dicts - self._current_context = self._ns_contexts[-1] - self.pending_events = [] - - def pop(self): - result = self.elementStack[-1] - del self.elementStack[-1] - return result - - def setDocumentLocator(self, locator): - self._locator = locator - - def startPrefixMapping(self, prefix, uri): - if not hasattr(self, '_xmlns_attrs'): - self._xmlns_attrs = [] - self._xmlns_attrs.append((prefix or 'xmlns', uri)) - self._ns_contexts.append(self._current_context.copy()) - self._current_context[uri] = prefix or None - - def endPrefixMapping(self, prefix): - self._current_context = self._ns_contexts.pop() - - def startElementNS(self, name, tagName , attrs): - # Retrieve xml namespace declaration attributes. - xmlns_uri = 'http://www.w3.org/2000/xmlns/' - xmlns_attrs = getattr(self, '_xmlns_attrs', None) - if xmlns_attrs is not None: - for aname, value in xmlns_attrs: - attrs._attrs[(xmlns_uri, aname)] = value - self._xmlns_attrs = [] - uri, localname = name - if uri: - # When using namespaces, the reader may or may not - # provide us with the original name. If not, create - # *a* valid tagName from the current context. - if tagName is None: - prefix = self._current_context[uri] - if prefix: - tagName = prefix + ":" + localname - else: - tagName = localname - if self.document: - node = self.document.createElementNS(uri, tagName) - else: - node = self.buildDocument(uri, tagName) - else: - # When the tagname is not prefixed, it just appears as - # localname - if self.document: - node = self.document.createElement(localname) - else: - node = self.buildDocument(None, localname) - - for aname,value in attrs.items(): - a_uri, a_localname = aname - if a_uri == xmlns_uri: - if a_localname == 'xmlns': - qname = a_localname - else: - qname = 'xmlns:' + a_localname - attr = self.document.createAttributeNS(a_uri, qname) - node.setAttributeNodeNS(attr) - elif a_uri: - prefix = self._current_context[a_uri] - if prefix: - qname = prefix + ":" + a_localname - else: - qname = a_localname - attr = self.document.createAttributeNS(a_uri, qname) - node.setAttributeNodeNS(attr) - else: - attr = self.document.createAttribute(a_localname) - node.setAttributeNode(attr) - attr.value = value - - self.lastEvent[1] = [(START_ELEMENT, node), None] - self.lastEvent = self.lastEvent[1] - self.push(node) - - def endElementNS(self, name, tagName): - self.lastEvent[1] = [(END_ELEMENT, self.pop()), None] - self.lastEvent = self.lastEvent[1] - - def startElement(self, name, attrs): - if self.document: - node = self.document.createElement(name) - else: - node = self.buildDocument(None, name) - - for aname,value in attrs.items(): - attr = self.document.createAttribute(aname) - attr.value = value - node.setAttributeNode(attr) - - self.lastEvent[1] = [(START_ELEMENT, node), None] - self.lastEvent = self.lastEvent[1] - self.push(node) - - def endElement(self, name): - self.lastEvent[1] = [(END_ELEMENT, self.pop()), None] - self.lastEvent = self.lastEvent[1] - - def comment(self, s): - if self.document: - node = self.document.createComment(s) - self.lastEvent[1] = [(COMMENT, node), None] - self.lastEvent = self.lastEvent[1] - else: - event = [(COMMENT, s), None] - self.pending_events.append(event) - - def processingInstruction(self, target, data): - if self.document: - node = self.document.createProcessingInstruction(target, data) - self.lastEvent[1] = [(PROCESSING_INSTRUCTION, node), None] - self.lastEvent = self.lastEvent[1] - else: - event = [(PROCESSING_INSTRUCTION, target, data), None] - self.pending_events.append(event) - - def ignorableWhitespace(self, chars): - node = self.document.createTextNode(chars) - self.lastEvent[1] = [(IGNORABLE_WHITESPACE, node), None] - self.lastEvent = self.lastEvent[1] - - def characters(self, chars): - node = self.document.createTextNode(chars) - self.lastEvent[1] = [(CHARACTERS, node), None] - self.lastEvent = self.lastEvent[1] - - def startDocument(self): - if self.documentFactory is None: - import xml.dom.minidom - self.documentFactory = xml.dom.minidom.Document.implementation - - def buildDocument(self, uri, tagname): - # Can't do that in startDocument, since we need the tagname - # XXX: obtain DocumentType - node = self.documentFactory.createDocument(uri, tagname, None) - self.document = node - self.lastEvent[1] = [(START_DOCUMENT, node), None] - self.lastEvent = self.lastEvent[1] - self.push(node) - # Put everything we have seen so far into the document - for e in self.pending_events: - if e[0][0] == PROCESSING_INSTRUCTION: - _,target,data = e[0] - n = self.document.createProcessingInstruction(target, data) - e[0] = (PROCESSING_INSTRUCTION, n) - elif e[0][0] == COMMENT: - n = self.document.createComment(e[0][1]) - e[0] = (COMMENT, n) - else: - raise AssertionError("Unknown pending event ",e[0][0]) - self.lastEvent[1] = e - self.lastEvent = e - self.pending_events = None - return node.firstChild - - def endDocument(self): - self.lastEvent[1] = [(END_DOCUMENT, self.document), None] - self.pop() - - def clear(self): - "clear(): Explicitly release parsing structures" - self.document = None - -class ErrorHandler: - def warning(self, exception): - print(exception) - def error(self, exception): - raise exception - def fatalError(self, exception): - raise exception - -class DOMEventStream: - def __init__(self, stream, parser, bufsize): - self.stream = stream - self.parser = parser - self.bufsize = bufsize - if not hasattr(self.parser, 'feed'): - self.getEvent = self._slurp - self.reset() - - def reset(self): - self.pulldom = PullDOM() - # This content handler relies on namespace support - self.parser.setFeature(xml.sax.handler.feature_namespaces, 1) - self.parser.setContentHandler(self.pulldom) - - def __getitem__(self, pos): - rc = self.getEvent() - if rc: - return rc - raise IndexError - - def __next__(self): - rc = self.getEvent() - if rc: - return rc - raise StopIteration - - def __iter__(self): - return self - - def expandNode(self, node): - event = self.getEvent() - parents = [node] - while event: - token, cur_node = event - if cur_node is node: - return - if token != END_ELEMENT: - parents[-1].appendChild(cur_node) - if token == START_ELEMENT: - parents.append(cur_node) - elif token == END_ELEMENT: - del parents[-1] - event = self.getEvent() - - def getEvent(self): - # use IncrementalParser interface, so we get the desired - # pull effect - if not self.pulldom.firstEvent[1]: - self.pulldom.lastEvent = self.pulldom.firstEvent - while not self.pulldom.firstEvent[1]: - buf = self.stream.read(self.bufsize) - if not buf: - self.parser.close() - return None - self.parser.feed(buf) - rc = self.pulldom.firstEvent[1][0] - self.pulldom.firstEvent[1] = self.pulldom.firstEvent[1][1] - return rc - - def _slurp(self): - """ Fallback replacement for getEvent() using the - standard SAX2 interface, which means we slurp the - SAX events into memory (no performance gain, but - we are compatible to all SAX parsers). - """ - self.parser.parse(self.stream) - self.getEvent = self._emit - return self._emit() - - def _emit(self): - """ Fallback replacement for getEvent() that emits - the events that _slurp() read previously. - """ - rc = self.pulldom.firstEvent[1][0] - self.pulldom.firstEvent[1] = self.pulldom.firstEvent[1][1] - return rc - - def clear(self): - """clear(): Explicitly release parsing objects""" - self.pulldom.clear() - del self.pulldom - self.parser = None - self.stream = None - -class SAX2DOM(PullDOM): - - def startElementNS(self, name, tagName , attrs): - PullDOM.startElementNS(self, name, tagName, attrs) - curNode = self.elementStack[-1] - parentNode = self.elementStack[-2] - parentNode.appendChild(curNode) - - def startElement(self, name, attrs): - PullDOM.startElement(self, name, attrs) - curNode = self.elementStack[-1] - parentNode = self.elementStack[-2] - parentNode.appendChild(curNode) - - def processingInstruction(self, target, data): - PullDOM.processingInstruction(self, target, data) - node = self.lastEvent[0][1] - parentNode = self.elementStack[-1] - parentNode.appendChild(node) - - def ignorableWhitespace(self, chars): - PullDOM.ignorableWhitespace(self, chars) - node = self.lastEvent[0][1] - parentNode = self.elementStack[-1] - parentNode.appendChild(node) - - def characters(self, chars): - PullDOM.characters(self, chars) - node = self.lastEvent[0][1] - parentNode = self.elementStack[-1] - parentNode.appendChild(node) - - -default_bufsize = (2 ** 14) - 20 - -def parse(stream_or_string, parser=None, bufsize=None): - if bufsize is None: - bufsize = default_bufsize - if isinstance(stream_or_string, str): - stream = open(stream_or_string, 'rb') - else: - stream = stream_or_string - if not parser: - parser = xml.sax.make_parser() - return DOMEventStream(stream, parser, bufsize) - -def parseString(string, parser=None): - from io import StringIO - - bufsize = len(string) - buf = StringIO(string) - if not parser: - parser = xml.sax.make_parser() - return DOMEventStream(buf, parser, bufsize) diff --git a/modules/language/python/module/xml/dom/xmlbuilder.py~ b/modules/language/python/module/xml/dom/xmlbuilder.py~ deleted file mode 100644 index e9a1536..0000000 --- a/modules/language/python/module/xml/dom/xmlbuilder.py~ +++ /dev/null @@ -1,410 +0,0 @@ -"""Implementation of the DOM Level 3 'LS-Load' feature.""" - -import copy -import warnings -import xml.dom - -from xml.dom.NodeFilter import NodeFilter - - -__all__ = ["DOMBuilder", "DOMEntityResolver", "DOMInputSource"] - - -class Options: - """Features object that has variables set for each DOMBuilder feature. - - The DOMBuilder class uses an instance of this class to pass settings to - the ExpatBuilder class. - """ - - # Note that the DOMBuilder class in LoadSave constrains which of these - # values can be set using the DOM Level 3 LoadSave feature. - - namespaces = 1 - namespace_declarations = True - validation = False - external_parameter_entities = True - external_general_entities = True - external_dtd_subset = True - validate_if_schema = False - validate = False - datatype_normalization = False - create_entity_ref_nodes = True - entities = True - whitespace_in_element_content = True - cdata_sections = True - comments = True - charset_overrides_xml_encoding = True - infoset = False - supported_mediatypes_only = False - - errorHandler = None - filter = None - - -class DOMBuilder: - entityResolver = None - errorHandler = None - filter = None - - ACTION_REPLACE = 1 - ACTION_APPEND_AS_CHILDREN = 2 - ACTION_INSERT_AFTER = 3 - ACTION_INSERT_BEFORE = 4 - - _legal_actions = (ACTION_REPLACE, ACTION_APPEND_AS_CHILDREN, - ACTION_INSERT_AFTER, ACTION_INSERT_BEFORE) - - def __init__(self): - self._options = Options() - - def _get_entityResolver(self): - return self.entityResolver - def _set_entityResolver(self, entityResolver): - self.entityResolver = entityResolver - - def _get_errorHandler(self): - return self.errorHandler - def _set_errorHandler(self, errorHandler): - self.errorHandler = errorHandler - - def _get_filter(self): - return self.filter - def _set_filter(self, filter): - self.filter = filter - - def setFeature(self, name, state): - if self.supportsFeature(name): - state = state and 1 or 0 - try: - settings = self._settings[(_name_xform(name), state)] - except KeyError: - raise xml.dom.NotSupportedErr( - "unsupported feature: %r" % (name,)) - else: - for name, value in settings: - setattr(self._options, name, value) - else: - raise xml.dom.NotFoundErr("unknown feature: " + repr(name)) - - def supportsFeature(self, name): - return hasattr(self._options, _name_xform(name)) - - def canSetFeature(self, name, state): - key = (_name_xform(name), state and 1 or 0) - return key in self._settings - - # This dictionary maps from (feature,value) to a list of - # (option,value) pairs that should be set on the Options object. - # If a (feature,value) setting is not in this dictionary, it is - # not supported by the DOMBuilder. - # - _settings = { - ("namespace_declarations", 0): [ - ("namespace_declarations", 0)], - ("namespace_declarations", 1): [ - ("namespace_declarations", 1)], - ("validation", 0): [ - ("validation", 0)], - ("external_general_entities", 0): [ - ("external_general_entities", 0)], - ("external_general_entities", 1): [ - ("external_general_entities", 1)], - ("external_parameter_entities", 0): [ - ("external_parameter_entities", 0)], - ("external_parameter_entities", 1): [ - ("external_parameter_entities", 1)], - ("validate_if_schema", 0): [ - ("validate_if_schema", 0)], - ("create_entity_ref_nodes", 0): [ - ("create_entity_ref_nodes", 0)], - ("create_entity_ref_nodes", 1): [ - ("create_entity_ref_nodes", 1)], - ("entities", 0): [ - ("create_entity_ref_nodes", 0), - ("entities", 0)], - ("entities", 1): [ - ("entities", 1)], - ("whitespace_in_element_content", 0): [ - ("whitespace_in_element_content", 0)], - ("whitespace_in_element_content", 1): [ - ("whitespace_in_element_content", 1)], - ("cdata_sections", 0): [ - ("cdata_sections", 0)], - ("cdata_sections", 1): [ - ("cdata_sections", 1)], - ("comments", 0): [ - ("comments", 0)], - ("comments", 1): [ - ("comments", 1)], - ("charset_overrides_xml_encoding", 0): [ - ("charset_overrides_xml_encoding", 0)], - ("charset_overrides_xml_encoding", 1): [ - ("charset_overrides_xml_encoding", 1)], - ("infoset", 0): [], - ("infoset", 1): [ - ("namespace_declarations", 0), - ("validate_if_schema", 0), - ("create_entity_ref_nodes", 0), - ("entities", 0), - ("cdata_sections", 0), - ("datatype_normalization", 1), - ("whitespace_in_element_content", 1), - ("comments", 1), - ("charset_overrides_xml_encoding", 1)], - ("supported_mediatypes_only", 0): [ - ("supported_mediatypes_only", 0)], - ("namespaces", 0): [ - ("namespaces", 0)], - ("namespaces", 1): [ - ("namespaces", 1)], - } - - def getFeature(self, name): - xname = _name_xform(name) - try: - return getattr(self._options, xname) - except AttributeError: - if name == "infoset": - options = self._options - return (options.datatype_normalization - and options.whitespace_in_element_content - and options.comments - and options.charset_overrides_xml_encoding - and not (options.namespace_declarations - or options.validate_if_schema - or options.create_entity_ref_nodes - or options.entities - or options.cdata_sections)) - raise xml.dom.NotFoundErr("feature %s not known" % repr(name)) - - def parseURI(self, uri): - if self.entityResolver: - input = self.entityResolver.resolveEntity(None, uri) - else: - input = DOMEntityResolver().resolveEntity(None, uri) - return self.parse(input) - - def parse(self, input): - options = copy.copy(self._options) - options.filter = self.filter - options.errorHandler = self.errorHandler - fp = input.byteStream - if fp is None and options.systemId: - import urllib.request - fp = urllib.request.urlopen(input.systemId) - return self._parse_bytestream(fp, options) - - def parseWithContext(self, input, cnode, action): - if action not in self._legal_actions: - raise ValueError("not a legal action") - raise NotImplementedError("Haven't written this yet...") - - def _parse_bytestream(self, stream, options): - import xml.dom.expatbuilder - builder = xml.dom.expatbuilder.makeBuilder(options) - return builder.parseFile(stream) - - -def _name_xform(name): - return name.lower().replace('-', '_') - - -class DOMEntityResolver(object): - __slots__ = '_opener', - - def resolveEntity(self, publicId, systemId): - assert systemId is not None - source = DOMInputSource() - source.publicId = publicId - source.systemId = systemId - source.byteStream = self._get_opener().open(systemId) - - # determine the encoding if the transport provided it - source.encoding = self._guess_media_encoding(source) - - # determine the base URI is we can - import posixpath, urllib.parse - parts = urllib.parse.urlparse(systemId) - scheme, netloc, path, params, query, fragment = parts - # XXX should we check the scheme here as well? - if path and not path.endswith("/"): - path = posixpath.dirname(path) + "/" - parts = scheme, netloc, path, params, query, fragment - source.baseURI = urllib.parse.urlunparse(parts) - - return source - - def _get_opener(self): - try: - return self._opener - except AttributeError: - self._opener = self._create_opener() - return self._opener - - def _create_opener(self): - import urllib.request - return urllib.request.build_opener() - - def _guess_media_encoding(self, source): - info = source.byteStream.info() - if "Content-Type" in info: - for param in info.getplist(): - if param.startswith("charset="): - return param.split("=", 1)[1].lower() - - -class DOMInputSource(object): - __slots__ = ('byteStream', 'characterStream', 'stringData', - 'encoding', 'publicId', 'systemId', 'baseURI') - - def __init__(self): - self.byteStream = None - self.characterStream = None - self.stringData = None - self.encoding = None - self.publicId = None - self.systemId = None - self.baseURI = None - - def _get_byteStream(self): - return self.byteStream - def _set_byteStream(self, byteStream): - self.byteStream = byteStream - - def _get_characterStream(self): - return self.characterStream - def _set_characterStream(self, characterStream): - self.characterStream = characterStream - - def _get_stringData(self): - return self.stringData - def _set_stringData(self, data): - self.stringData = data - - def _get_encoding(self): - return self.encoding - def _set_encoding(self, encoding): - self.encoding = encoding - - def _get_publicId(self): - return self.publicId - def _set_publicId(self, publicId): - self.publicId = publicId - - def _get_systemId(self): - return self.systemId - def _set_systemId(self, systemId): - self.systemId = systemId - - def _get_baseURI(self): - return self.baseURI - def _set_baseURI(self, uri): - self.baseURI = uri - - -class DOMBuilderFilter: - """Element filter which can be used to tailor construction of - a DOM instance. - """ - - # There's really no need for this class; concrete implementations - # should just implement the endElement() and startElement() - # methods as appropriate. Using this makes it easy to only - # implement one of them. - - FILTER_ACCEPT = 1 - FILTER_REJECT = 2 - FILTER_SKIP = 3 - FILTER_INTERRUPT = 4 - - whatToShow = NodeFilter.SHOW_ALL - - def _get_whatToShow(self): - return self.whatToShow - - def acceptNode(self, element): - return self.FILTER_ACCEPT - - def startContainer(self, element): - return self.FILTER_ACCEPT - -del NodeFilter - - -class _AsyncDeprecatedProperty: - def warn(self, cls): - clsname = cls.__name__ - warnings.warn( - "{cls}.async is deprecated; use {cls}.async_".format(cls=clsname), - DeprecationWarning) - - def __get__(self, instance, cls): - self.warn(cls) - if instance is not None: - return instance.async_ - return False - - def __set__(self, instance, value): - self.warn(type(instance)) - setattr(instance, 'async_', value) - - -class DocumentLS: - """Mixin to create documents that conform to the load/save spec.""" - - async_ = False - locals()['async'] = _AsyncDeprecatedProperty() # Avoid DeprecationWarning - - def _get_async(self): - return False - - def _set_async(self, flag): - if flag: - raise xml.dom.NotSupportedErr( - "asynchronous document loading is not supported") - - def abort(self): - # What does it mean to "clear" a document? Does the - # documentElement disappear? - raise NotImplementedError( - "haven't figured out what this means yet") - - def load(self, uri): - raise NotImplementedError("haven't written this yet") - - def loadXML(self, source): - raise NotImplementedError("haven't written this yet") - - def saveXML(self, snode): - if snode is None: - snode = self - elif snode.ownerDocument is not self: - raise xml.dom.WrongDocumentErr() - return snode.toxml() - - -del _AsyncDeprecatedProperty - - -class DOMImplementationLS: - MODE_SYNCHRONOUS = 1 - MODE_ASYNCHRONOUS = 2 - - def createDOMBuilder(self, mode, schemaType): - if schemaType is not None: - raise xml.dom.NotSupportedErr( - "schemaType not yet supported") - if mode == self.MODE_SYNCHRONOUS: - return DOMBuilder() - if mode == self.MODE_ASYNCHRONOUS: - raise xml.dom.NotSupportedErr( - "asynchronous builders are not supported") - raise ValueError("unknown value for mode") - - def createDOMWriter(self): - raise NotImplementedError( - "the writer interface hasn't been written yet!") - - def createDOMInputSource(self): - return DOMInputSource() |