Example #1
0
            def extractVectorContents(vectorIVC):
                if len(vectorIVC) == 0:
                    return {'listContents': []}
                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 extractVectorContents(vectorIVC):
                if len(vectorIVC) == 0:
                    return []
                vec = ComputedValue.ComputedValueVector(
                    vectorImplVal=vectorIVC)
                vecSlice = vec.entireSlice

                if vectorIVC.isVectorOfChar():
                    res = vecSlice.extractVectorDataAsNumpyArray()
                    if res is not None:
                        res = res.tostring()
                else:
                    res = vecSlice.extractVectorDataAsPythonArray()

                if res is None:
                    vectorSlicesNeedingLoad.append(vecSlice)
                    vecSlice.increaseRequestCount()
                    return None

                return res