Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/bleach/_vendor/html5lib/treebuilders/dom.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 from __future__ import absolute_import, division, unicode_literals |
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2 |
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3 |
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4 try: |
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5 from collections.abc import MutableMapping |
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6 except ImportError: # Python 2.7 |
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7 from collections import MutableMapping |
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8 from xml.dom import minidom, Node |
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9 import weakref |
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10 |
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11 from . import base |
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12 from .. import constants |
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13 from ..constants import namespaces |
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14 from .._utils import moduleFactoryFactory |
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15 |
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16 |
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17 def getDomBuilder(DomImplementation): |
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18 Dom = DomImplementation |
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19 |
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20 class AttrList(MutableMapping): |
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21 def __init__(self, element): |
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22 self.element = element |
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23 |
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24 def __iter__(self): |
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25 return iter(self.element.attributes.keys()) |
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26 |
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27 def __setitem__(self, name, value): |
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28 if isinstance(name, tuple): |
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29 raise NotImplementedError |
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30 else: |
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31 attr = self.element.ownerDocument.createAttribute(name) |
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32 attr.value = value |
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33 self.element.attributes[name] = attr |
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34 |
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35 def __len__(self): |
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36 return len(self.element.attributes) |
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37 |
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38 def items(self): |
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39 return list(self.element.attributes.items()) |
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40 |
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41 def values(self): |
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42 return list(self.element.attributes.values()) |
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43 |
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44 def __getitem__(self, name): |
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45 if isinstance(name, tuple): |
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46 raise NotImplementedError |
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47 else: |
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48 return self.element.attributes[name].value |
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49 |
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50 def __delitem__(self, name): |
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51 if isinstance(name, tuple): |
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52 raise NotImplementedError |
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53 else: |
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54 del self.element.attributes[name] |
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55 |
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56 class NodeBuilder(base.Node): |
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57 def __init__(self, element): |
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58 base.Node.__init__(self, element.nodeName) |
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59 self.element = element |
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60 |
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61 namespace = property(lambda self: hasattr(self.element, "namespaceURI") and |
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62 self.element.namespaceURI or None) |
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63 |
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64 def appendChild(self, node): |
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65 node.parent = self |
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66 self.element.appendChild(node.element) |
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67 |
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68 def insertText(self, data, insertBefore=None): |
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69 text = self.element.ownerDocument.createTextNode(data) |
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70 if insertBefore: |
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71 self.element.insertBefore(text, insertBefore.element) |
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72 else: |
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73 self.element.appendChild(text) |
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74 |
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75 def insertBefore(self, node, refNode): |
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76 self.element.insertBefore(node.element, refNode.element) |
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77 node.parent = self |
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78 |
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79 def removeChild(self, node): |
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80 if node.element.parentNode == self.element: |
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81 self.element.removeChild(node.element) |
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82 node.parent = None |
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83 |
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84 def reparentChildren(self, newParent): |
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85 while self.element.hasChildNodes(): |
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86 child = self.element.firstChild |
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87 self.element.removeChild(child) |
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88 newParent.element.appendChild(child) |
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89 self.childNodes = [] |
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90 |
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91 def getAttributes(self): |
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92 return AttrList(self.element) |
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93 |
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94 def setAttributes(self, attributes): |
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95 if attributes: |
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96 for name, value in list(attributes.items()): |
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97 if isinstance(name, tuple): |
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98 if name[0] is not None: |
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99 qualifiedName = (name[0] + ":" + name[1]) |
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100 else: |
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101 qualifiedName = name[1] |
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102 self.element.setAttributeNS(name[2], qualifiedName, |
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103 value) |
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104 else: |
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105 self.element.setAttribute( |
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106 name, value) |
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107 attributes = property(getAttributes, setAttributes) |
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108 |
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109 def cloneNode(self): |
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110 return NodeBuilder(self.element.cloneNode(False)) |
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111 |
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112 def hasContent(self): |
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113 return self.element.hasChildNodes() |
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114 |
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115 def getNameTuple(self): |
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116 if self.namespace is None: |
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117 return namespaces["html"], self.name |
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118 else: |
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119 return self.namespace, self.name |
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120 |
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121 nameTuple = property(getNameTuple) |
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122 |
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123 class TreeBuilder(base.TreeBuilder): # pylint:disable=unused-variable |
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124 def documentClass(self): |
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125 self.dom = Dom.getDOMImplementation().createDocument(None, None, None) |
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126 return weakref.proxy(self) |
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127 |
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128 def insertDoctype(self, token): |
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129 name = token["name"] |
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130 publicId = token["publicId"] |
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131 systemId = token["systemId"] |
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132 |
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133 domimpl = Dom.getDOMImplementation() |
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134 doctype = domimpl.createDocumentType(name, publicId, systemId) |
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135 self.document.appendChild(NodeBuilder(doctype)) |
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136 if Dom == minidom: |
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137 doctype.ownerDocument = self.dom |
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138 |
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139 def elementClass(self, name, namespace=None): |
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140 if namespace is None and self.defaultNamespace is None: |
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141 node = self.dom.createElement(name) |
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142 else: |
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143 node = self.dom.createElementNS(namespace, name) |
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144 |
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145 return NodeBuilder(node) |
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146 |
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147 def commentClass(self, data): |
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148 return NodeBuilder(self.dom.createComment(data)) |
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149 |
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150 def fragmentClass(self): |
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151 return NodeBuilder(self.dom.createDocumentFragment()) |
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152 |
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153 def appendChild(self, node): |
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154 self.dom.appendChild(node.element) |
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155 |
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156 def testSerializer(self, element): |
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157 return testSerializer(element) |
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158 |
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159 def getDocument(self): |
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160 return self.dom |
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161 |
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162 def getFragment(self): |
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163 return base.TreeBuilder.getFragment(self).element |
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164 |
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165 def insertText(self, data, parent=None): |
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166 data = data |
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167 if parent != self: |
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168 base.TreeBuilder.insertText(self, data, parent) |
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169 else: |
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170 # HACK: allow text nodes as children of the document node |
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171 if hasattr(self.dom, '_child_node_types'): |
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172 # pylint:disable=protected-access |
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173 if Node.TEXT_NODE not in self.dom._child_node_types: |
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174 self.dom._child_node_types = list(self.dom._child_node_types) |
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175 self.dom._child_node_types.append(Node.TEXT_NODE) |
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176 self.dom.appendChild(self.dom.createTextNode(data)) |
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177 |
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178 implementation = DomImplementation |
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179 name = None |
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180 |
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181 def testSerializer(element): |
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182 element.normalize() |
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183 rv = [] |
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184 |
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185 def serializeElement(element, indent=0): |
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186 if element.nodeType == Node.DOCUMENT_TYPE_NODE: |
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187 if element.name: |
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188 if element.publicId or element.systemId: |
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189 publicId = element.publicId or "" |
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190 systemId = element.systemId or "" |
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191 rv.append("""|%s<!DOCTYPE %s "%s" "%s">""" % |
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192 (' ' * indent, element.name, publicId, systemId)) |
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193 else: |
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194 rv.append("|%s<!DOCTYPE %s>" % (' ' * indent, element.name)) |
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195 else: |
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196 rv.append("|%s<!DOCTYPE >" % (' ' * indent,)) |
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197 elif element.nodeType == Node.DOCUMENT_NODE: |
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198 rv.append("#document") |
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199 elif element.nodeType == Node.DOCUMENT_FRAGMENT_NODE: |
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200 rv.append("#document-fragment") |
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201 elif element.nodeType == Node.COMMENT_NODE: |
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202 rv.append("|%s<!-- %s -->" % (' ' * indent, element.nodeValue)) |
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203 elif element.nodeType == Node.TEXT_NODE: |
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204 rv.append("|%s\"%s\"" % (' ' * indent, element.nodeValue)) |
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205 else: |
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206 if (hasattr(element, "namespaceURI") and |
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207 element.namespaceURI is not None): |
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208 name = "%s %s" % (constants.prefixes[element.namespaceURI], |
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209 element.nodeName) |
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210 else: |
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211 name = element.nodeName |
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212 rv.append("|%s<%s>" % (' ' * indent, name)) |
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213 if element.hasAttributes(): |
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214 attributes = [] |
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215 for i in range(len(element.attributes)): |
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216 attr = element.attributes.item(i) |
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217 name = attr.nodeName |
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218 value = attr.value |
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219 ns = attr.namespaceURI |
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220 if ns: |
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221 name = "%s %s" % (constants.prefixes[ns], attr.localName) |
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222 else: |
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223 name = attr.nodeName |
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224 attributes.append((name, value)) |
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225 |
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226 for name, value in sorted(attributes): |
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227 rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value)) |
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228 indent += 2 |
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229 for child in element.childNodes: |
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230 serializeElement(child, indent) |
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231 serializeElement(element, 0) |
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232 |
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233 return "\n".join(rv) |
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234 |
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235 return locals() |
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236 |
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237 |
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238 # The actual means to get a module! |
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239 getDomModule = moduleFactoryFactory(getDomBuilder) |