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