tasks.py 文件源码

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")
        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))