def extractVectorDataAsNumpyArrayInChunks(self, stepSize = 100000):
"""Return the data as a sequence of numpy arrays each of which is no larger than 'stepSize'.
This is used to prevent us from creating memory fragmentation when we are loading
lots of arrays of different sizes.
"""
if self.computedValueVector.vectorImplVal is None:
return None
if len(self.vectorDataIds) > 0 and not self.isLoaded:
return None
if not self.vdmThinksIsLoaded():
return None
result = []
index = self.lowIndex
while index < self.highIndex and result is not None:
tailResult = ComputedValueGateway.getGateway().extractVectorDataAsNumpyArray(
self.computedValueVector,
index,
min(self.highIndex, index+stepSize)
)
index += stepSize
if tailResult is not None:
result.append(tailResult)
else:
result = None
if result is None and not self.vdmThinksIsLoaded():
logging.info("CumulusClient: %s was marked loaded but returned None", self)
self.isLoaded = False
ComputedValueGateway.getGateway().reloadVector(self)
return result
def trigger(self):
if self.successOrError is not None:
return
if self.computedValue.valueIVC is None:
self.successOrError={'success':False, 'message': "Tried to trigger write before calculation was finished."}
return
if not self.computedValue.valueIVC.isVectorOfChar():
self.successOrError={'success':False, 'message': "Result should have been a string."}
return
if self.computedValue.isException:
self.successOrError={'success':False, 'message': "Result should have been a string. Got an exception instead."}
return
def callback(result):
if result.isSuccess():
self.successOrError={'success':True}
else:
self.successOrError={'success':False, 'message': str(result)}
ComputedValueGateway.getGateway().createExternalIoTask(
CumulusNative.ExternalIoTask.WriteCharBigvecToS3(
self.computedValue.valueIVC.getVectorBigvecGuid(),
CumulusNative.S3KeyAndCredentials(
self.bucketname,
self.keyname,
"",
"",
""
)
),
callback
)
def extractVectorDataAsNumpyArrayInChunks(self, stepSize=100000):
"""Return the data as a sequence of numpy arrays each of which is no larger than 'stepSize'.
This is used to prevent us from creating memory fragmentation when we are loading
lots of arrays of different sizes.
"""
if self.computedValueVector.vectorImplVal is None:
return None
if len(self.vectorDataIds) > 0 and not self.isLoaded:
return None
if not self.vdmThinksIsLoaded():
return None
result = []
index = self.lowIndex
while index < self.highIndex and result is not None:
tailResult = ComputedValueGateway.getGateway(
).extractVectorDataAsNumpyArray(
self.computedValueVector, index,
min(self.highIndex, index + stepSize))
index += stepSize
if tailResult is not None:
result.append(tailResult)
else:
result = None
if result is None and not self.vdmThinksIsLoaded():
logging.info(
"CumulusClient: %s was marked loaded but returned None", self)
self.isLoaded = False
ComputedValueGateway.getGateway().reloadVector(self)
return result
def update(self):
if ComputedValueGateway.getGateway().getPersistentCacheIndex() is None:
return
self.totalBytesInCache = ComputedValueGateway.getGateway().getPersistentCacheIndex().totalBytesInCache()
self.totalObjectsInCache = ComputedValueGateway.getGateway().getPersistentCacheIndex().totalObjectsInCache()
self.totalComputationsInCache = ComputedValueGateway.getGateway().getPersistentCacheIndex().totalComputationsInCache()
self.totalReachableComputationsInCache = ComputedValueGateway.getGateway().getPersistentCacheIndex().totalReachableComputationsInCache()
def extractVectorItemAsIVC(self, ct):
if self.computedValueVector.vectorImplVal is None:
return None
if len(self.vectorDataIds) > 0 and not self.isLoaded:
return None
result = ComputedValueGateway.getGateway().extractVectorItem(self.computedValueVector, ct)
if result is None:
logging.info("CumulusClient: %s was marked loaded but returned None", self)
self.isLoaded = False
ComputedValueGateway.getGateway().reloadVector(self)
return result
def vectorDataIds(self):
if self.computedValueVector.vectorImplVal is None:
return []
return self.computedValueVector.vectorImplVal.getVectorDataIdsForSlice(
self.lowIndex, self.highIndex,
ComputedValueGateway.getGateway().vdm)
def submittedComputationId(self):
computationId = ComputedValueGateway.getGateway().submittedComputationId(self.cumulusComputationDefinition)
if computationId is None:
return
return computationId.toSimple()
def slicesByPage(self):
if self.vectorImplVal is None:
return []
return [self.getMappableSlice(low,high) for low,high in
self.vectorImplVal.getVectorPageSliceRanges(
ComputedValueGateway.getGateway().vdm
)]
def totalVectorBytesReferenced(self):
if self.checkpointStatus is None:
return 0
stats = self.checkpointStatus.statistics
return ComputedValueGateway.getGateway().bytecountForBigvecs(
self.checkpointStatus.bigvecsReferenced)
def vectorDataIds(self):
if self.computedValueVector.vectorImplVal is None:
return []
return self.computedValueVector.vectorImplVal.getVectorDataIdsForSlice(
self.lowIndex,
self.highIndex,
ComputedValueGateway.getGateway().vdm
)
def extractVectorDataAsNumpyArray(self):
if self.computedValueVector.vectorImplVal is None:
return None
if not self.isLoaded:
return None
result = ComputedValueGateway.getGateway(
).extractVectorDataAsNumpyArray(self.computedValueVector,
self.lowIndex, self.highIndex)
if result is None:
logging.warn(
"CumulusClient: %s was marked loaded but returned None", self)
self.isLoaded = False
ComputedValueGateway.getGateway().reloadVector(self)
return result
def totalVectorBytesReferenced(self):
if self.checkpointStatus is None:
return 0
stats = self.checkpointStatus.statistics
return ComputedValueGateway.getGateway().bytecountForBigvecs(
self.checkpointStatus.bigvecsReferenced
)
def trigger(self):
if self.successOrError is not None:
return
if self.computedValue.valueIVC is None:
self.successOrError = {
'success':
False,
'message':
"Tried to trigger write before calculation was finished."
}
return
if not self.computedValue.valueIVC.isVectorOfChar():
self.successOrError = {
'success': False,
'message': "Result should have been a string."
}
return
if self.computedValue.isException:
self.successOrError = {
'success':
False,
'message':
"Result should have been a string. Got an exception instead."
}
return
def callback(result):
if result.isSuccess():
self.successOrError = {'success': True}
else:
self.successOrError = {
'success': False,
'message': str(result)
}
ComputedValueGateway.getGateway().createExternalIoTask(
CumulusNative.ExternalIoTask.WriteCharBigvecToS3(
self.computedValue.valueIVC.getVectorBigvecGuid(),
CumulusNative.S3KeyAndCredentials(self.bucketname,
self.keyname, "", "", "")),
callback)
def extractVectorDataAsPythonArray(self):
if self.computedValueVector.vectorImplVal is None:
return None
if len(self.vectorDataIds) > 0 and not self.isLoaded:
return None
result = ComputedValueGateway.getGateway().extractVectorDataAsPythonArray(
self.computedValueVector,
self.lowIndex,
self.highIndex
)
if result is None and not self.vdmThinksIsLoaded():
logging.info("CumulusClient: %s was marked loaded but returned None. reloading", self)
self.isLoaded = False
ComputedValueGateway.getGateway().reloadVector(self)
return result
def initialize(self, purePythonMDSAsJson):
"""Initialize the converter assuming a set of pyfora builtins"""
import pyfora.ObjectRegistry as ObjectRegistry
import ufora.FORA.python.PurePython.Converter as Converter
try:
logging.info("Initializing the PyforaObjectConverter")
objectRegistry_[0] = ObjectRegistry.ObjectRegistry()
converter_[0] = Converter.constructConverter(
Converter.canonicalPurePythonModule(),
ComputedValueGateway.getGateway().vdm
)
except:
logging.critical("Failed to initialize the PyforaObjectConverter: %s", traceback.format_exc())
raise
def getClusterStatus(self, args):
gateway = ComputedValueGateway.getGateway().cumulusGateway
return gateway.getClusterStatus()
def decreaseRequestCount(self, *args):
ComputedValueGateway.getGateway().decreaseRequestCount(self, self.cumulusComputationDefinition)
def requestComputationCheckpoint(self, *args):
ComputedValueGateway.getGateway().requestComputationCheckpoint(self, self.cumulusComputationDefinition)
def cancel(self, *args):
ComputedValueGateway.getGateway().cancelComputation(self, self.cumulusComputationDefinition)
def extractVectorContents(vectorIVC):
if len(vectorIVC) == 0:
return {'listContents': []}
#if this is an unpaged vector we can handle it without callback
vdm = ComputedValueGateway.getGateway().vdm
if vdm.vectorDataIsLoaded(vectorIVC, 0, len(vectorIVC)) and vectorIVC.isVectorEntirelyUnpaged():
#see if it's a string. This is the only way to be holding a Vector of char
if vectorIVC.isVectorOfChar():
res = vdm.extractVectorContentsAsNumpyArray(vectorIVC, 0, len(vectorIVC))
assert res is not None
return {'string': res.tostring()}
#see if it's simple enough to transmit as numpy data
if len(vectorIVC.getVectorElementsJOR()) == 1 and len(vectorIVC) > 1:
firstElement = vdm.extractVectorItem(vectorIVC, 0)
if isOfSimpleType(firstElement):
res = vdm.extractVectorContentsAsNumpyArray(vectorIVC, 0, len(vectorIVC))
if res is not None:
assert len(res) == len(vectorIVC)
return {'contentsAsNumpyArray': res}
#see if we can extract the data as a regular pythonlist
res = vdm.extractVectorContentsAsPythonArray(vectorIVC, 0, len(vectorIVC))
assert res is not None
return {'listContents': res}
vec = ComputedValue.ComputedValueVector(vectorImplVal=vectorIVC)
vecSlice = vec.entireSlice
res = None
preventPythonArrayExtraction = False
#see if it's a string. This is the only way to be holding a Vector of char
if vectorIVC.isVectorOfChar():
res = vecSlice.extractVectorDataAsNumpyArray()
if res is not None:
res = {'string': res.tostring()}
#see if it's simple enough to transmit as numpy data
if res is None and len(vectorIVC.getVectorElementsJOR()) == 1 and len(vectorIVC) > 1:
res = vecSlice.extractVectorDataAsNumpyArray()
if res is not None:
firstElement = vecSlice.extractVectorItemAsIVC(0)
if firstElement is None:
#note we can't import this at the top of the file because this file gets imported
#during the build process, which doesn't have pyfora installed.
import pyfora.Exceptions as Exceptions
raise Exceptions.ForaToPythonConversionError(
"Shouldn't be possible to download data as numpy, and then not get the first value"
)
if isOfSimpleType(firstElement):
res = {'contentsAsNumpyArray': res}
else:
res = None
else:
if not vecSlice.vdmThinksIsLoaded():
#there's a race condition where the data could be loaded between now and
#the call to 'extractVectorDataAsPythonArray'. This prevents it.
preventPythonArrayExtraction = True
#see if we can extract the data as a regular pythonlist
if not preventPythonArrayExtraction and res is None:
res = vecSlice.extractVectorDataAsPythonArray()
if res is not None:
res = {'listContents': res}
if res is None:
vecSlice.increaseRequestCount()
return None
return res
def decreaseRequestCount(self, *args):
ComputedValueGateway.getGateway().decreaseVectorRequestCount(self)
def increaseRequestCount(self, *args):
"""request the data in the leaf of this vector"""
ComputedValueGateway.getGateway().increaseVectorRequestCount(self)
def initialize(self, purePythonMDSAsJson):
"""Initialize the converter assuming a set of pyfora builtins"""
try:
import pyfora.ObjectRegistry as ObjectRegistry
import ufora.FORA.python.PurePython.Converter as Converter
import ufora.FORA.python.PurePython.PyforaSingletonAndExceptionConverter as PyforaSingletonAndExceptionConverter
import ufora.native.FORA as ForaNative
import ufora.FORA.python.ModuleImporter as ModuleImporter
logging.info("Initializing the PyforaObjectConverter")
objectRegistry_[0] = ObjectRegistry.ObjectRegistry()
if purePythonMDSAsJson is None:
converter_[0] = Converter.Converter()
else:
purePythonModuleImplval = ModuleImporter.importModuleFromMDS(
ModuleDirectoryStructure.ModuleDirectoryStructure.fromJson(purePythonMDSAsJson),
"fora",
"purePython",
searchForFreeVariables=True
)
singletonAndExceptionConverter = \
PyforaSingletonAndExceptionConverter.PyforaSingletonAndExceptionConverter(
purePythonModuleImplval
)
primitiveTypeMapping = {
bool: purePythonModuleImplval.getObjectMember("PyBool"),
str: purePythonModuleImplval.getObjectMember("PyString"),
int: purePythonModuleImplval.getObjectMember("PyInt"),
float: purePythonModuleImplval.getObjectMember("PyFloat"),
type(None): purePythonModuleImplval.getObjectMember("PyNone"),
}
nativeConstantConverter = ForaNative.PythonConstantConverter(
primitiveTypeMapping
)
nativeListConverter = ForaNative.makePythonListConverter(
purePythonModuleImplval.getObjectMember("PyList")
)
nativeTupleConverter = ForaNative.makePythonTupleConverter(
purePythonModuleImplval.getObjectMember("PyTuple")
)
nativeDictConverter = ForaNative.makePythonDictConverter(
purePythonModuleImplval.getObjectMember("PyDict")
)
foraBuiltinsImplVal = ModuleImporter.builtinModuleImplVal()
converter_[0] = Converter.Converter(
nativeListConverter=nativeListConverter,
nativeTupleConverter=nativeTupleConverter,
nativeDictConverter=nativeDictConverter,
nativeConstantConverter=nativeConstantConverter,
singletonAndExceptionConverter=singletonAndExceptionConverter,
vdmOverride=ComputedValueGateway.getGateway().vdm,
purePythonModuleImplVal=purePythonModuleImplval,
foraBuiltinsImplVal=foraBuiltinsImplVal
)
except:
logging.critical("Failed to initialize the PyforaObjectConverter: %s", traceback.format_exc())
raise
def vdmThinksIsLoaded(self):
return ComputedValueGateway.getGateway().vectorDataIsLoaded(
self.computedValueVector,
self.lowIndex,
self.highIndex
)
def triggerGarbageCollectionImmediately(self, completePurge):
ComputedValueGateway.getGateway().triggerPerstistentCacheGarbageCollection(True if completePurge else False)
def setMaxBytesInCache(self, *args):
ComputedValueGateway.getGateway().getPersistentCacheIndex().setMaxBytesInCache(args[0])
def extractVectorContents(vectorIVC):
if len(vectorIVC) == 0:
return {'listContents': []}
#if this is an unpaged vector we can handle it without callback
vdm = ComputedValueGateway.getGateway().vdm
if vdm.vectorDataIsLoaded(vectorIVC, 0, len(vectorIVC)) and vectorIVC.isVectorEntirelyUnpaged():
#see if it's a string. This is the only way to be holding a Vector of char
if vectorIVC.isVectorOfChar():
res = vdm.extractVectorContentsAsNumpyArray(vectorIVC, 0, len(vectorIVC))
assert res is not None
return {'string': res.tostring()}
#see if it's simple enough to transmit as numpy data
if len(vectorIVC.getVectorElementsJOR()) == 1 and len(vectorIVC) > 1:
res = vdm.extractVectorContentsAsNumpyArray(vectorIVC, 0, len(vectorIVC))
if res is not None:
assert len(res) == len(vectorIVC)
firstElement = vdm.extractVectorItem(vectorIVC, 0)
return {'firstElement': firstElement, 'contentsAsNumpyArrays': [res]}
#see if we can extract the data as a regular pythonlist
res = vdm.extractVectorContentsAsPythonArray(vectorIVC, 0, len(vectorIVC))
assert res is not None
return {'listContents': res}
vec = ComputedValue.ComputedValueVector(vectorImplVal=vectorIVC)
vecSlice = vec.entireSlice
res = None
preventPythonArrayExtraction = False
#see if it's a string. This is the only way to be holding a Vector of char
if vectorIVC.isVectorOfChar():
res = vecSlice.extractVectorDataAsNumpyArray()
if res is not None:
res = {'string': res.tostring()}
#see if it's simple enough to transmit as numpy data
if res is None and len(vectorIVC.getVectorElementsJOR()) == 1 and len(vectorIVC) > 1:
res = vecSlice.extractVectorDataAsNumpyArrayInChunks()
if res is not None:
firstElement = vecSlice.extractVectorItemAsIVC(0)
if firstElement is None:
#note we can't import this at the top of the file because this file gets imported
#during the build process, which doesn't have pyfora installed.
import pyfora.Exceptions as Exceptions
raise Exceptions.ForaToPythonConversionError(
"Shouldn't be possible to download data as numpy, and then not get the first value"
)
res = {'firstElement': firstElement, 'contentsAsNumpyArrays': res}
else:
if not vecSlice.vdmThinksIsLoaded():
#there's a race condition where the data could be loaded between now and
#the call to 'extractVectorDataAsPythonArray'. This prevents it.
preventPythonArrayExtraction = True
#see if we can extract the data as a regular pythonlist
if not preventPythonArrayExtraction and res is None:
res = vecSlice.extractVectorDataAsPythonArray()
if res is not None:
res = {'listContents': res}
if res is None:
vecSlice.increaseRequestCount()
return None
return res
def maxBytesInCache(self):
if ComputedValueGateway.getGateway().getPersistentCacheIndex() is None:
return 0
return ComputedValueGateway.getGateway().getPersistentCacheIndex().getMaxBytesInCache()