def make_soap_envelope(message, tns='', header_elements=None):
'''
This method takes the results from a soap method call, and wraps them
in the appropriate soap envelope with any specified headers
@param the message of the soap envelope, either an element or
a list of elements
@param any header elements to be included in the soap response
@returns the envelope element
'''
nsmap = NamespaceLookup(tns)
envelope = create_xml_element(nsmap.get('SOAP-ENV') + 'Envelope', nsmap,
tns)
if header_elements:
headerElement = create_xml_subelement(envelope,
nsmap.get('SOAP-ENV') + 'Header')
for h in header_elements:
headerElement.append(h)
body = create_xml_subelement(envelope, nsmap.get('SOAP-ENV') + 'Body')
if type(message) == list:
for m in message:
body.append(m)
elif message != None:
body.append(message)
return envelope
def make_soap_fault(faultString, faultCode = 'Server', detail = None,
header_elements = None):
'''
This method populates a soap fault message with the provided
fault string and details.
@param faultString the short description of the error
@param detail the details of the exception, such as a stack trace
@param faultCode defaults to 'Server', but can be overridden
@param header_elements A list of XML elements to add to the fault header.
@returns the element corresponding to the fault message
'''
nsmap = NamespaceLookup()
envelope = create_xml_element(nsmap.get('SOAP-ENV') + 'Envelope', nsmap)
if header_elements:
header = create_xml_subelement(
envelope, nsmap.get('SOAP-ENV') + 'Header')
for element in header_elements:
header.append(element)
body = create_xml_subelement(envelope, nsmap.get('SOAP-ENV') + 'Body')
f = Fault(faultCode, faultString, detail)
body.append(Fault.to_xml(f, nsmap.get('SOAP-ENV') + "Fault", nsmap))
return envelope
def wsdl(self, url):
'''
This method generates and caches the wsdl for this object based
on the soap methods designated by the soapmethod or soapdocument
descriptors
@param url the url that this service can be found at. This must be
passed in by the caller because this object has no notion of the
server environment in which it runs.
@returns the string of the wsdl
'''
if not self.__wsdl__ == None:
# return the cached __wsdl__
return self.__wsdl__
url = url.replace('.wsdl', '')
# otherwise build it
serviceName = self.__class__.__name__.split('.')[-1]
tns = self.__tns__
methods = self.methods()
hasCallbacks = self._hasCallbacks()
nsmap = NamespaceLookup(tns, True)
if hasCallbacks:
nsmap.set('wsa',
'http://schemas.xmlsoap.org/ws/2003/03/addressing')
root = create_xml_element(
"definitions", nsmap, 'http://schemas.xmlsoap.org/wsdl/')
root.set('targetNamespace', tns)
root.set('name', serviceName)
types = create_xml_subelement(root, "types")
self._add_schema(types, methods, nsmap)
self._add_messages_for_methods(root, methods, nsmap)
# add necessary async headers
# WS-Addressing -> RelatesTo ReplyTo MessageID
# callback porttype
if hasCallbacks:
wsaSchemaNode = create_xml_subelement(types, "schema")
wsaSchemaNode.set("targetNamespace", tns+'Callback')
wsaSchemaNode.set("xmlns", "http://www.w3.org/2001/XMLSchema")
wsaSchemaNode.set("elementFormDefault", "qualified")
importNode = create_xml_subelement(wsaSchemaNode, "import")
importNode.set("namespace",
"http://schemas.xmlsoap.org/ws/2003/03/addressing")
importNode.set("schemaLocation",
"http://schemas.xmlsoap.org/ws/2003/03/addressing/")
reltMessage = create_xml_subelement(root, 'message')
reltMessage.set('name', 'RelatesToHeader')
reltPart = create_xml_subelement(reltMessage, 'part')
reltPart.set('name', 'RelatesTo')
reltPart.set('element', 'wsa:RelatesTo')
replyMessage = create_xml_subelement(root, 'message')
replyMessage.set('name', 'ReplyToHeader')
replyPart = create_xml_subelement(replyMessage, 'part')
replyPart.set('name', 'ReplyTo')
replyPart.set('element', 'wsa:ReplyTo')
idHeader = create_xml_subelement(root, 'message')
idHeader.set('name', 'MessageIDHeader')
idPart = create_xml_subelement(idHeader, 'part')
idPart.set('name', 'MessageID')
idPart.set('element', 'wsa:MessageID')
# make portTypes
callbackPortType = create_xml_subelement(root, 'portType')
callbackPortType.set('name', '%sCallback' % serviceName)
cbServiceName = '%sCallback' % serviceName
cbService = create_xml_subelement(root, 'service')
cbService.set('name', cbServiceName)
cbWsdlPort = create_xml_subelement(cbService, 'port')
cbWsdlPort.set('name', cbServiceName)
cbWsdlPort.set('binding', 'tns:%s' % cbServiceName)
cbAddr = create_xml_subelement(cbWsdlPort,
nsmap.get('soap') + 'address')
cbAddr.set('location', url)
serviceName = self.__class__.__name__.split('.')[-1]
portType = create_xml_subelement(root, 'portType')
portType.set('name', serviceName)
for method in methods:
if method.isCallback:
operation = create_xml_subelement(callbackPortType,
'operation')
else:
operation = create_xml_subelement(portType, 'operation')
operation.set('name', method.name)
params = []
for name, param in method.inMessage.params:
params.append(name)
documentation = create_xml_subelement(operation, 'documentation')
documentation.text = method.doc
operation.set('parameterOrder', method.inMessage.typ)
opInput = create_xml_subelement(operation, 'input')
opInput.set('name', method.inMessage.typ)
opInput.set('message', 'tns:%s' % method.inMessage.typ)
if (len(method.outMessage.params) > 0 and
not method.isCallback and not method.isAsync):
opOutput = create_xml_subelement(operation, 'output')
opOutput.set('name', method.outMessage.typ)
opOutput.set('message', 'tns:%s' % method.outMessage.typ)
# make partner link
plink = create_xml_subelement(root,
nsmap.get('plnk') + 'partnerLinkType')
plink.set('name', serviceName)
role = create_xml_subelement(plink,
nsmap.get('plnk') + 'role')
role.set('name', serviceName)
plinkPortType = create_xml_subelement(role,
nsmap.get('plnk') + 'portType')
plinkPortType.set('name', 'tns:%s' % serviceName)
if hasCallbacks:
role = create_xml_subelement(plink, nsmap.get('plnk') + 'role')
role.set('name', '%sCallback' % serviceName)
plinkPortType = create_xml_subelement(role,
nsmap.get('plnk') + 'portType')
plinkPortType.set('name', 'tns:%sCallback' % serviceName)
self._add_bindings_for_methods(root, serviceName, methods, nsmap)
service = create_xml_subelement(root, 'service')
service.set('name', serviceName)
wsdlPort = create_xml_subelement(service, 'port')
wsdlPort.set('name', serviceName)
wsdlPort.set('binding', 'tns:%s' % serviceName)
addr = create_xml_subelement(wsdlPort, nsmap.get('soap') + 'address')
addr.set('location', url)
wsdl = ElementTree.tostring(root)
wsdl = "<?xml version='1.0' encoding='utf-8' ?>%s" % (wsdl)
#cache the wsdl for next time
self.__wsdl__ = wsdl
return self.__wsdl__
