chadrik commented on a change in pull request #13060:
URL: https://github.com/apache/beam/pull/13060#discussion_r505933134
##########
File path:
sdks/python/apache_beam/runners/portability/fn_api_runner/worker_handlers.py
##########
@@ -1062,34 +1104,41 @@ def close(self):
class ControlFuture(object):
- def __init__(self, instruction_id, response=None):
+ def __init__(self,
+ instruction_id, # type: str
+ response=None # type:
Optional[beam_fn_api_pb2.InstructionResponse]
+ ):
+ # type: (...) -> None
self.instruction_id = instruction_id
- if response:
- self._response = response
- else:
- self._response = None
+ self._response = response
+ if response is None:
self._condition = threading.Condition()
- self._exception = None
+ self._exception = None # type: Optional[Exception]
def is_done(self):
+ # type: () -> bool
return self._response is not None
def set(self, response):
+ # type: (beam_fn_api_pb2.InstructionResponse) -> None
with self._condition:
self._response = response
self._condition.notify_all()
def get(self, timeout=None):
+ # type: (Optional[float]) -> beam_fn_api_pb2.InstructionResponse
if not self._response and not self._exception:
with self._condition:
if not self._response and not self._exception:
self._condition.wait(timeout)
if self._exception:
raise self._exception
else:
+ assert self._response is not None
Review comment:
It would be good to get confirmation that this assert is correct.
AFAICT this method should never return None.
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