def extractObjectDefinition(self, objDefJson):
if 'objectId_' in objDefJson or 'objectDefinition_' in objDefJson:
return self.convertObjectArgs(objDefJson)
if 'type' not in objDefJson or 'args' not in objDefJson:
raise MalformedMessageException("Malformed object definition given")
objType = objDefJson['type']
objectArgs = objDefJson['args']
objectArgs = self.convertObjectArgs(objectArgs)
if objType not in AllObjectClassesToExpose.classMap:
raise InvalidObjectDefinitionException("Unknown object type")
try:
objectCls = AllObjectClassesToExpose.classMap[objType]
result = objectCls(objectArgs)
if not ComputedGraph.isLocation(result):
result.__dict__['objectDefinition_'] = objDefJson
return result
except Exceptions.SubscribableWebObjectsException as e:
raise InvalidObjectDefinitionException(e.message)
def extractObjectDefinition(self, objDefJson):
if "objectId_" in objDefJson or "objectDefinition_" in objDefJson:
return self.convertObjectArgs(objDefJson)
if "type" not in objDefJson or "args" not in objDefJson:
raise MalformedMessageException("Malformed object definition given")
objType = objDefJson["type"]
objectArgs = objDefJson["args"]
objectArgs = self.convertObjectArgs(objectArgs)
if objType not in AllObjectClassesToExpose.classMap:
raise InvalidObjectDefinitionException("Unknown object type")
try:
objectCls = AllObjectClassesToExpose.classMap[objType]
result = objectCls(objectArgs)
if not ComputedGraph.isLocation(result):
result.__dict__["objectDefinition_"] = objDefJson
return result
except Exceptions.SubscribableWebObjectsException as e:
raise InvalidObjectDefinitionException(e.message)
def convertResponseToJson(self, jsonCandidate):
try:
def raiseException():
guid = uuid.uuid4()
logging.error("%s of type %s is not valid json. guid = %s", jsonCandidate, type(jsonCandidate), guid)
raise Exceptions.SubscribableWebObjectsException("result was not valid json. Guid = %s" % guid)
if jsonCandidate is None:
return jsonCandidate
if isinstance(jsonCandidate, (int,str,unicode,float,bool,long)):
return jsonCandidate
if isinstance(jsonCandidate, (list, tuple)):
return [self.convertResponseToJson(r) for r in jsonCandidate]
if isinstance(jsonCandidate, dict):
newDict = {}
for k,v in jsonCandidate.iteritems():
if not isinstance(k,str):
raiseException()
newDict[k] = self.convertResponseToJson(v)
return newDict
objDefPopulated = False
try:
if ComputedGraph.isLocation(jsonCandidate):
if jsonCandidate in self.objectToIdCache_:
objDef = {
'objectId_': self.lookupObjectId(jsonCandidate)
}
else:
objDef = {
"objectId_": self.lookupObjectId(jsonCandidate),
"objectDefinition_": {
'type': AllObjectClassesToExpose.typenameFromType(
ComputedGraph.getLocationTypeFromLocation(jsonCandidate)
),
'args': jsonCandidate.__reduce__()[1][0]
}
}
objDefPopulated = True
else:
objDef = jsonCandidate.objectDefinition_
objDefPopulated = True
except AttributeError:
objDefPopulated = False
if objDefPopulated:
return self.convertResponseToJson(objDef)
raiseException()
except:
logging.error("%s of type %s is not valid json.", jsonCandidate, type(jsonCandidate))
raise
def convertResponseToJson(self, jsonCandidate):
try:
def raiseException():
guid = uuid.uuid4()
logging.error("%s of type %s is not valid json. guid = %s", jsonCandidate, type(jsonCandidate), guid)
raise Exceptions.SubscribableWebObjectsException("result was not valid json. Guid = %s" % guid)
if jsonCandidate is None:
return jsonCandidate
if isinstance(jsonCandidate, (int, str, unicode, float, bool, long)):
return jsonCandidate
if isinstance(jsonCandidate, (list, tuple)):
return [self.convertResponseToJson(r) for r in jsonCandidate]
if isinstance(jsonCandidate, dict):
newDict = {}
for k, v in jsonCandidate.iteritems():
if not isinstance(k, str):
raiseException()
newDict[k] = self.convertResponseToJson(v)
return newDict
objDefPopulated = False
try:
if ComputedGraph.isLocation(jsonCandidate):
if jsonCandidate in self.objectToIdCache_:
objDef = {"objectId_": self.lookupObjectId(jsonCandidate)}
else:
objDef = {
"objectId_": self.lookupObjectId(jsonCandidate),
"objectDefinition_": {
"type": AllObjectClassesToExpose.typenameFromType(
ComputedGraph.getLocationTypeFromLocation(jsonCandidate)
),
"args": jsonCandidate.__reduce__()[1][0],
},
}
objDefPopulated = True
else:
objDef = jsonCandidate.objectDefinition_
objDefPopulated = True
except AttributeError:
objDefPopulated = False
if objDefPopulated:
return self.convertResponseToJson(objDef)
raiseException()
except:
logging.error("%s of type %s is not valid json.", jsonCandidate, type(jsonCandidate))
raise
def handleReadMessage(self, jsonMessage, objectToRead):
fieldFun = self.getFieldExtractorForReadMessage(jsonMessage, objectToRead)
try:
return [{
"messageId": jsonMessage["messageId"],
"responseType": "ReadResponse",
"value": self.outgoingObjectCache.convertResponseToJson(fieldFun(objectToRead))
}]
except Exception as e:
try:
objectType = objectToRead.__location_class__ if ComputedGraph.isLocation(objectToRead) else str(objectToRead)
logging.info("converting %s of type %s", fieldFun(objectToRead), objectType)
except:
pass
return [unexpectedExceptionJson(jsonMessage, Exceptions.wrapException(e).message)]
def validateComputedValueArgs(args):
"""check that every argument to a ComputedValue is either an ImplValContainer or
another ComputedValue"""
if not args:
return False
if not isinstance(args, tuple):
return False
for ix, a in enumerate(args):
if ComputedGraph.isLocation(a):
if not issubclass(a.__location_class__, ComputedValue):
logging.error("Failed validation of args[%s].__location_class__ = '%s'", ix, a.__location_class__)
return False
else:
if not isinstance(a, (ImplValContainer_, long, int, str, bool)):
logging.error("Failed validation of args[%s].__class__ = '%s'", ix, a.__class__)
return False
return True
def handleReadMessage(self, jsonMessage, objectToRead):
fieldFun = self.getFieldExtractorForReadMessage(jsonMessage, objectToRead)
try:
return [
{
"messageId": jsonMessage["messageId"],
"responseType": "ReadResponse",
"value": self.outgoingObjectCache.convertResponseToJson(fieldFun(objectToRead)),
}
]
except Exception as e:
try:
objectType = (
objectToRead.__location_class__ if ComputedGraph.isLocation(objectToRead) else str(objectToRead)
)
logging.info("converting %s of type %s", fieldFun(objectToRead), objectType)
except:
pass
return [unexpectedExceptionJson(jsonMessage, Exceptions.wrapException(e).message)]
def isComputedValue(o):
return ComputedGraph.isLocation(o) and issubclass(o.__location_class__, ComputedValue)
def getObjectClass(o):
if ComputedGraph.isLocation(o):
return ComputedGraph.getLocationTypeFromLocation(o)
return o.__class__
def getObjectClass(o):
if ComputedGraph.isLocation(o):
return ComputedGraph.getLocationTypeFromLocation(o)
return o.__class__
