Function getRepresentation

pythonwhat/tasks.py:252–287

(name, process)

def getRepresentation(name, process):
    obj_class = getClass(name, process)
    converters = pythonwhat.State.State.root_state.converters
    if obj_class in converters:
        repres = convert(name, dill.dumps(converters[obj_class]), process)
        if errored(repres):
            return ReprFail("manual conversion failed: {}".format(repres))
        else:
            return repres
    else:
        # first try to pickle
        try:
            stream = getStreamPickle(name, process)
            if not errored(stream):
                return pickle.loads(stream)
        except:
            pass

        # if it failed, try to dill
        try:
            stream = getStreamDill(name, process)
            if not errored(stream):
                return dill.loads(stream)
            return ReprFail(
                "dilling inside process failed for %s - write manual converter"
                % obj_class
            )
        except PicklingError:
            return ReprFail(
                "undilling of bytestream failed with PicklingError - write manual converter"
            )
        except Exception as e:
            return ReprFail(
                "undilling of bytestream failed for class %s - write manual converter."
                "Error: %s - %s" % (obj_class, type(e), e)
            )


def errored(el):