Re: delayed emit (timer) in py-beam?

[Charles Chen <cc...@google.com>]

FYI: the reference DirectRunner implementation of the Python user state and
timers API is out for review: https://github.com/apache/beam/pull/6304

On Mon, Jul 30, 2018 at 3:57 PM Austin Bennett <wh...@gmail.com>
wrote:

> Fantastic; thanks, Charles!
>
>
>
> On Mon, Jul 30, 2018 at 3:49 PM, Charles Chen <cc...@google.com> wrote:
>
>> Hey Austin,
>>
>> This API is not yet implemented in the Python SDK.  I am working on this
>> feature:  the next step from my end is to finish a reference implementation
>> in the local DirectRunner.  As you note, the doc at
>> https://s.apache.org/beam-python-user-state-and-timers describes the
>> design.
>>
>> You can track progress on the mailing list thread here:
>> https://lists.apache.org/thread.html/51ba1a00027ad8635bc1d2c0df805ce873995170c75d6a08dfe21997@%3Cdev.beam.apache.org%3E
>>
>> Best,
>> Charles
>>
>> On Mon, Jul 30, 2018 at 3:34 PM Austin Bennett <
>> whatwouldaustindo@gmail.com> wrote:
>>
>>> What's going on with timers and python?
>>>
>>> Am looking at building a pipeline (assuming another group in my company
>>> will grant access to the Kafka topic):
>>>
>>> Kafka -> beam -> have beam wait 24 hours -> do transform(s) and emit a
>>> record.  If I read things correctly that's not currently possible in python
>>> on beam.  What all is needed?  (trying to figure out whether that is
>>> something that I am capable of and there is room for me to help with).
>>> Looking for similar functionality to
>>> https://www.rabbitmq.com/blog/2015/04/16/scheduling-messages-with-rabbitmq/
>>> (though don't need alternate routing, nor is that example in python).
>>>
>>>
>>> For example, I see:
>>> https://beam.apache.org/blog/2017/08/28/timely-processing.html
>>>
>>> and tickets like:  https://issues.apache.org/jira/browse/BEAM-4594
>>>
>>>
>>>
>