def __init__(
self,
async_evaluators=None,
poolsize=4,
load_factor=0,
loop=None,
async_language_session_class=WolframLanguageAsyncSession,
**kwargs
):
super().__init__(loop)
if poolsize <= 0:
raise ValueError("Invalid pool size value %i. Expecting a positive integer." % i)
self._queue = asyncio.Queue(load_factor * poolsize, loop=self._loop)
self.async_language_session_class = async_language_session_class
self._evaluators = set()
if async_evaluators is None or isinstance(async_evaluators, six.string_types):
for _ in range(poolsize):
self._add_evaluator(async_evaluators, **kwargs)
else:
if not is_iterable(async_evaluators):
async_evaluators = itertools.repeat(async_evaluators)
for evaluator in itertools.cycle(async_evaluators):
if len(self._evaluators) >= poolsize:
break
self._add_evaluator(evaluator)
self._started_tasks = []
self._pending_init_tasks = ()
self.last = 0
self.eval_count = 0
self.requestedsize = poolsize
def encode(serializer, o):
if is_iterable(o):
return serializer.serialize_iterable(map(serializer.encode, o),
length=safe_len(o))
if serializer.allow_external_objects:
return serializer.serialize_external_object(o)
raise NotImplementedError('Cannot serialize object of class %s' %
o.__class__)