Hi z33m,

Is it possible that the info model which contains the msg_polled time
is not being updated and still contains an old value for msg_polled? I
think it would be helpful to see the code/logic used to obtain the
last polled time info. It could be that multiple requests are started,
all of which use the last committed info, before the info.put() in one
of the requests is completed.

Thank you,

Jeff

On Apr 1, 9:18 am, z33m <[email protected]> wrote:
> Im writing a twitter app. It accepts commands as Direct Messages, so i
> have setup a third party cronjob service to invoke a handler that
> processes DMs at regular intervals. I have a Model 'Info' that has
> just one entry, it stores some common data which are used in many
> places in the App(in this case, the time when the messages were
> processed recently). The general pattern of my handler is like this:
>
> msgs = api.GetDirectMessages(since = info.msg_polled)
> if not msgs:
>     return
> logging.info('Processing Messages since %s ' % str(info.msg_polled))
> for msg in msgs:
>     ...process commands...
>     logging.info('Processed Message :- @%s : %s' %
> (msg.sender_screen_name, msg.text))
>
> info.msg_polled = datetime.datetime.now()
> info.put()
>
> But sometimes i get logs like this :
>
> I 03-30 07:50AM 10.973
> Processing Messages since Sun, 29 Mar 2009 11:41:59 GMT
> I 03-30 07:50AM 11.122
> Processed Message :- @foo : Foo_Bar
> -------------------------------------------------------
> I 03-30 07:46AM 08.014
> Processing Messages since Sun, 29 Mar 2009 11:41:59 GMT
> I 03-30 07:46AM 08.130
> Processed Message :- @foo : Foo_Bar
>
> Here, it seems that info is not getting commited to the database. The
> message is processed multiple number of times, sometimes upto 10+
> times before the msg_polled value changes. But i am not getting any
> Datastore exceptions. This happens only once in a while.
>
> Any help is appreciated.
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