def construct(json):
if (not isinstance(json, dict) or
'type' not in json or 'args' not in json):
raise Exceptions.SubscribableWebObjectsException("Invalid ObjectDefinition: %s", json)
if json['type'] not in classMap:
raise Exceptions.SubscribableWebObjectsException("Unknown class type: %s", json['type'])
return json['type'](json['args'])
def writeToS3(self, bucketname, keyname):
"""Trigger a task writing this dataset to amazon S3.
Returns a WriteToS3Task object.
"""
if not isinstance(bucketname, str):
raise Exceptions.SubscribableWebObjectsException("Expected bucketname to be a string")
if not isinstance(keyname, str):
raise Exceptions.SubscribableWebObjectsException("Expected keyname to be a string")
if self.valueIVC is None:
return None
task = WriteToS3Task.WriteToS3Task(computedValue=self, bucketname=bucketname, keyname=keyname)
task.trigger()
return task
def convert(self, objectId, serializedBinaryObjectDefinition):
import pyfora.Exceptions as PyforaExceptions
import pyfora.BinaryObjectRegistryDeserializer as BinaryObjectRegistryDeserializer
result = [None]
def onConverted(r):
result[0] = r
t0 = time.time()
BinaryObjectRegistryDeserializer.deserializeFromString(
base64.b64decode(serializedBinaryObjectDefinition),
objectRegistry_[0],
convertJsonToObject
)
logging.info("Updated object registry in %s seconds.", time.time() - t0)
t0 = time.time()
try:
converter_[0].convert(objectId, objectRegistry_[0], onConverted)
except Exception as e:
logging.error("Converter raised an exception: %s", traceback.format_exc())
raise Exceptions.InternalError("Unable to convert objectId %s" % objectId)
logging.info("Converted to fora in %s seconds", time.time() - t0)
assert result[0] is not None
if isinstance(result[0], PyforaExceptions.PythonToForaConversionError):
return {'isException': True, 'message': result[0].message, 'trace': result[0].trace}
if isinstance(result[0], Exception):
raise Exceptions.SubscribableWebObjectsException(result[0].message)
objectIdToIvc_[objectId] = result[0]
return {'objectId': objectId}
def convert(self, objectId, objectIdToObjectDefinition):
import pyfora.TypeDescription as TypeDescription
import pyfora.Exceptions as PyforaExceptions
result = [None]
def onConverted(r):
result[0] = r
t0 = time.time()
objectRegistry_[0].objectIdToObjectDefinition.update({
int(k): TypeDescription.deserialize(v)
for k, v in objectIdToObjectDefinition.iteritems()
})
logging.info("Updated object registry in %s seconds.", time.time() - t0)
t0 = time.time()
try:
converter_[0].convert(objectId, objectRegistry_[0], onConverted)
except Exception as e:
logging.error("Converter raised an exception: %s", traceback.format_exc())
raise Exceptions.InternalError("Unable to convert objectId %s" % objectId)
logging.info("Converted to fora in %s seconds", time.time() - t0)
assert result[0] is not None
if isinstance(result[0], PyforaExceptions.PythonToForaConversionError):
return {'isException': True, 'message': result[0].message, 'trace': result[0].trace}
if isinstance(result[0], Exception):
raise Exceptions.SubscribableWebObjectsException(result[0].message)
objectIdToIvc_[objectId] = result[0]
return {'objectId': objectId}
def aFunctionThrowingASpecificException(self, jsonArgs):
raise Exceptions.SubscribableWebObjectsException(
"swo exception: function call")
def aValueThrowingASpecificException(self):
raise Exceptions.SubscribableWebObjectsException(
"swo exception: getter")
def setAValueThrowingASpecificException(self, value):
raise Exceptions.SubscribableWebObjectsException(
"swo exception: setter")
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)
