2 # -*- coding: utf-8 -*-
4 from nepi.core.attributes import Attribute
5 from nepi.util.parser.base import ExperimentData, ExperimentParser
6 from xml.dom import minidom
11 if isinstance(s, str):
12 rv = s.decode("latin1")
13 elif not isinstance(s, unicode):
17 return rv.replace(u'\x00',u'�')
20 return s.replace(u'�',u'\x00').encode("utf8")
22 class XmlExperimentParser(ExperimentParser):
23 def to_xml(self, experiment_description=None, data=None):
24 if experiment_description is not None:
25 data = self.to_data(experiment_description)
27 raise TypeError, "XmlExperimentParser.to_xml needs either 'experiment_description' or 'data' arguments"
28 doc = minidom.Document()
29 exp_tag = doc.createElement("experiment")
30 testbeds_tag = doc.createElement("testbeds")
31 exp_tag.appendChild(testbeds_tag)
33 elements_tags = dict()
34 for guid in sorted(data.guids):
35 if data.is_testbed_data(guid):
36 elements_tag = self.testbed_data_to_xml(doc, testbeds_tag, guid, data)
37 elements_tags[guid] = elements_tag
39 self.box_data_to_xml(doc, elements_tags, guid, data)
40 doc.appendChild(exp_tag)
43 xml = doc.toprettyxml(indent=" ", encoding="UTF-8")
45 print >>sys.stderr, "Oops: generating XML from %s" % (data,)
50 def testbed_data_to_xml(self, doc, parent_tag, guid, data):
51 testbed_tag = doc.createElement("testbed")
52 testbed_tag.setAttribute("guid", xmlencode(guid))
53 (testbed_id, testbed_version) = data.get_testbed_data(guid)
54 testbed_tag.setAttribute("testbed_id", xmlencode(testbed_id))
55 testbed_tag.setAttribute("testbed_version", xmlencode(testbed_version))
56 parent_tag.appendChild(testbed_tag)
57 self.graphical_info_data_to_xml(doc, testbed_tag, guid, data)
58 self.attributes_data_to_xml(doc, testbed_tag, guid, data)
59 elements_tag = doc.createElement("elements")
60 testbed_tag.appendChild(elements_tag)
63 def box_data_to_xml(self, doc, elements_tags, guid, data):
64 (testbed_guid, factory_id) = data.get_box_data(guid)
65 element_tag = doc.createElement("element")
66 parent_tag = elements_tags[testbed_guid]
67 parent_tag.appendChild(element_tag)
68 element_tag.setAttribute("factory_id", factory_id)
69 element_tag.setAttribute("guid", xmlencode(guid))
70 self.graphical_info_data_to_xml(doc, element_tag, guid, data)
71 self.factory_attributes_data_to_xml(doc, element_tag, guid, data)
72 self.attributes_data_to_xml(doc, element_tag, guid, data)
73 self.traces_data_to_xml(doc, element_tag, guid, data)
74 self.addresses_data_to_xml(doc, element_tag, guid, data)
75 self.routes_data_to_xml(doc, element_tag, guid, data)
76 self.connections_data_to_xml(doc, element_tag, guid, data)
78 def graphical_info_data_to_xml(self, doc, parent_tag, guid, data):
79 graphical_info_tag = doc.createElement("graphical_info")
80 parent_tag.appendChild(graphical_info_tag)
81 (x, y, width, height) = data.get_graphical_info_data(guid)
82 graphical_info_tag.setAttribute("x", xmlencode(x))
83 graphical_info_tag.setAttribute("y", xmlencode(y))
84 graphical_info_tag.setAttribute("width", xmlencode(width))
85 graphical_info_tag.setAttribute("height", xmlencode(height))
87 def factory_attributes_data_to_xml(self, doc, parent_tag, guid, data):
88 factory_attributes_tag = doc.createElement("factory_attributes")
89 for (name, value) in data.get_factory_attribute_data(guid):
91 factory_attribute_tag = doc.createElement("factory_attribute")
92 factory_attributes_tag.appendChild(factory_attribute_tag)
93 factory_attribute_tag.setAttribute("name", name)
94 factory_attribute_tag.setAttribute("value", xmlencode(value))
95 factory_attribute_tag.setAttribute("type", self.type_to_standard(value))
96 if factory_attributes_tag.hasChildNodes():
97 parent_tag.appendChild(factory_attributes_tag)
99 def attributes_data_to_xml(self, doc, parent_tag, guid, data):
100 attributes_tag = doc.createElement("attributes")
101 for name, value in data.get_attribute_data(guid):
102 if value is not None:
103 attribute_tag = doc.createElement("attribute")
104 attributes_tag.appendChild(attribute_tag)
105 attribute_tag.setAttribute("name", name)
106 attribute_tag.setAttribute("value", xmlencode(value))
107 attribute_tag.setAttribute("type", self.type_to_standard(value))
108 if attributes_tag.hasChildNodes():
109 parent_tag.appendChild(attributes_tag)
111 def traces_data_to_xml(self, doc, parent_tag, guid, data):
112 traces_tag = doc.createElement("traces")
113 for name in data.get_trace_data(guid):
114 trace_tag = doc.createElement("trace")
115 traces_tag.appendChild(trace_tag)
116 trace_tag.setAttribute("name", name)
117 if traces_tag.hasChildNodes():
118 parent_tag.appendChild(traces_tag)
120 def addresses_data_to_xml(self, doc, parent_tag, guid, data):
121 addresses_tag = doc.createElement("addresses")
122 for (address, netprefix, broadcast) in data.get_address_data(guid):
123 address_tag = doc.createElement("address")
124 addresses_tag.appendChild(address_tag)
126 address_tag.setAttribute("Address", xmlencode(address))
127 address_tag.setAttribute("NetPrefix", xmlencode(netprefix))
129 address_tag.setAttribute("Broadcast", xmlencode(broadcast))
130 if addresses_tag.hasChildNodes():
131 parent_tag.appendChild(addresses_tag)
133 def routes_data_to_xml(self, doc, parent_tag, guid, data):
134 routes_tag = doc.createElement("routes")
135 for (destination, netprefix, nexthop, metric) \
136 in data.get_route_data(guid):
137 route_tag = doc.createElement("route")
138 routes_tag.appendChild(route_tag)
139 route_tag.setAttribute("Destination", xmlencode(destination))
140 route_tag.setAttribute("NetPrefix", xmlencode(netprefix))
141 route_tag.setAttribute("NextHop", xmlencode(nexthop))
142 route_tag.setAttribute("Metric", xmlencode(metric))
143 if routes_tag.hasChildNodes():
144 parent_tag.appendChild(routes_tag)
146 def connections_data_to_xml(self, doc, parent_tag, guid, data):
147 connections_tag = doc.createElement("connections")
148 for (connector_type_name, other_guid, other_connector_type_name) \
149 in data.get_connection_data(guid):
150 connection_tag = doc.createElement("connection")
151 connections_tag.appendChild(connection_tag)
152 connection_tag.setAttribute("connector", connector_type_name)
153 connection_tag.setAttribute("other_guid", xmlencode(other_guid))
154 connection_tag.setAttribute("other_connector",
155 other_connector_type_name)
156 if connections_tag.hasChildNodes():
157 parent_tag.appendChild(connections_tag)
159 def from_xml_to_data(self, xml):
160 data = ExperimentData()
161 doc = minidom.parseString(xml)
162 testbeds_tag = doc.getElementsByTagName("testbeds")[0]
163 testbed_tag_list = testbeds_tag.getElementsByTagName("testbed")
164 for testbed_tag in testbed_tag_list:
165 if testbed_tag.nodeType == doc.ELEMENT_NODE:
166 testbed_guid = int(testbed_tag.getAttribute("guid"))
167 elements_tag = testbed_tag.getElementsByTagName("elements")[0]
168 elements_tag = testbed_tag.removeChild(elements_tag)
169 self.testbed_data_from_xml(testbed_tag, data)
170 element_tag_list = elements_tag.getElementsByTagName("element")
171 for element_tag in element_tag_list:
172 if element_tag.nodeType == doc.ELEMENT_NODE:
173 self.box_data_from_xml(element_tag, testbed_guid, data)
176 def from_xml(self, experiment_description, xml):
177 data = self.from_xml_to_data(xml)
178 self.from_data(experiment_description, data)
180 def testbed_data_from_xml(self, tag, data):
181 testbed_guid = int(tag.getAttribute("guid"))
182 testbed_id = xmldecode(tag.getAttribute("testbed_id"))
183 testbed_version = xmldecode(tag.getAttribute("testbed_version"))
184 data.add_testbed_data(testbed_guid, testbed_id, testbed_version)
185 self.graphical_info_data_from_xml(tag, testbed_guid, data)
186 self.attributes_data_from_xml(tag, testbed_guid, data)
188 def box_data_from_xml(self, tag, testbed_guid, data):
189 guid = int(tag.getAttribute("guid"))
190 factory_id = xmldecode(tag.getAttribute("factory_id"))
191 data.add_box_data(guid, testbed_guid, factory_id)
192 self.graphical_info_data_from_xml(tag, guid, data)
193 self.factory_attributes_data_from_xml(tag, guid, data)
194 self.attributes_data_from_xml(tag, guid, data)
195 self.traces_data_from_xml(tag, guid, data)
196 self.addresses_data_from_xml(tag, guid, data)
197 self.routes_data_from_xml(tag, guid, data)
198 self.connections_data_from_xml(tag, guid, data)
200 def graphical_info_data_from_xml(self, tag, guid, data):
201 graphical_info_tag_list = tag.getElementsByTagName(
203 if len(graphical_info_tag_list) == 0:
206 graphical_info_tag = graphical_info_tag_list[0]
207 if graphical_info_tag.nodeType == tag.ELEMENT_NODE:
208 x = float(graphical_info_tag.getAttribute("x"))
209 y = float(graphical_info_tag.getAttribute("y"))
210 width = float(graphical_info_tag.getAttribute("width"))
211 height = float(graphical_info_tag.getAttribute("height"))
212 data.add_graphical_info_data(guid, x, y, width, height)
214 def factory_attributes_data_from_xml(self, tag, guid, data):
215 factory_attributes_tag_list = tag.getElementsByTagName(
216 "factory_attributes")
217 if len(factory_attributes_tag_list) == 0:
220 factory_attribute_tag_list = factory_attributes_tag_list[0].\
221 getElementsByTagName("factory_attribute")
222 for factory_attribute_tag in factory_attribute_tag_list:
223 if factory_attribute_tag.nodeType == tag.ELEMENT_NODE:
224 name = xmldecode(factory_attribute_tag.getAttribute("name"))
225 value = xmldecode(factory_attribute_tag.getAttribute("value"))
226 std_type = xmldecode(factory_attribute_tag.getAttribute("type"))
227 value = self.type_from_standard(std_type, value)
228 data.add_factory_attribute_data(guid, name, value)
230 def attributes_data_from_xml(self, tag, guid, data):
231 attributes_tag_list= tag.getElementsByTagName("attributes")
232 if len(attributes_tag_list) == 0:
235 attribute_tag_list = attributes_tag_list[0].\
236 getElementsByTagName("attribute")
237 for attribute_tag in attribute_tag_list:
238 if attribute_tag.nodeType == tag.ELEMENT_NODE:
239 name = xmldecode(attribute_tag.getAttribute("name"))
240 value = xmldecode(attribute_tag.getAttribute("value"))
241 std_type = xmldecode(attribute_tag.getAttribute("type"))
242 value = self.type_from_standard(std_type, value)
243 data.add_attribute_data(guid, name, value)
245 def traces_data_from_xml(self, tag, guid, data):
246 traces_tag_list = tag.getElementsByTagName("traces")
247 if len(traces_tag_list) == 0:
250 trace_tag_list = traces_tag_list[0].getElementsByTagName(
252 for trace_tag in trace_tag_list:
253 if trace_tag.nodeType == tag.ELEMENT_NODE:
254 name = xmldecode(trace_tag.getAttribute("name"))
255 data.add_trace_data(guid, name)
257 def addresses_data_from_xml(self, tag, guid, data):
258 addresses_tag_list = tag.getElementsByTagName("addresses")
259 if len(addresses_tag_list) == 0:
262 address_tag_list = addresses_tag_list[0].\
263 getElementsByTagName("address")
264 for address_tag in address_tag_list:
265 if address_tag.nodeType == tag.ELEMENT_NODE:
266 address = xmldecode(address_tag.getAttribute("Address")) \
267 if address_tag.hasAttribute("Address") else None
268 netprefix = int(address_tag.getAttribute("NetPrefix")) \
269 if address_tag.hasAttribute("NetPrefix") else None
270 broadcast = xmldecode(address_tag.getAttribute("Broadcast")) \
271 if address_tag.hasAttribute("Broadcast") else None
272 data.add_address_data(guid, address, netprefix, broadcast)
274 def routes_data_from_xml(self, tag, guid, data):
275 routes_tag_list = tag.getElementsByTagName("routes")
276 if len(routes_tag_list) == 0:
279 route_tag_list = routes_tag_list[0].getElementsByTagName("route")
280 for route_tag in route_tag_list:
281 if route_tag.nodeType == tag.ELEMENT_NODE:
282 destination = xmldecode(route_tag.getAttribute("Destination"))
283 netprefix = int(route_tag.getAttribute("NetPrefix"))
284 nexthop = xmldecode(route_tag.getAttribute("NextHop"))
285 metric = int(route_tag.getAttribute("Metric")) \
286 if route_tag.hasAttribute("Metric") else 0
287 data.add_route_data(guid, destination, netprefix,
290 def connections_data_from_xml(self, tag, guid, data):
291 connections_tag_list = tag.getElementsByTagName("connections")
292 if len(connections_tag_list) == 0:
295 connection_tag_list = connections_tag_list[0].getElementsByTagName(
297 for connection_tag in connection_tag_list:
298 if connection_tag.nodeType == tag.ELEMENT_NODE:
299 connector_type_name = xmldecode(connection_tag.getAttribute(
301 other_connector_type_name = xmldecode(connection_tag.getAttribute(
303 other_guid = int(connection_tag.getAttribute("other_guid"))
304 data.add_connection_data(guid, connector_type_name,
305 other_guid, other_connector_type_name)
307 def type_to_standard(self, value):
308 if isinstance(value, str):
309 return Attribute.STRING
310 if isinstance(value, bool):
311 return Attribute.BOOL
312 if isinstance(value, int):
313 return Attribute.INTEGER
314 if isinstance(value, float):
315 return Attribute.DOUBLE
317 def type_from_standard(self, type, value):
318 if type == Attribute.STRING:
320 if type == Attribute.BOOL:
321 return value == "True"
322 if type == Attribute.INTEGER:
324 if type == Attribute.DOUBLE: