So I guess the simplest possible solution is Celery + Redis (since I'm already using Redis for sessions), I guess?
On Thu, 10 Jan 2019 at 13:55, Thierry Florac <tflo...@gmail.com> wrote: > > Hi, > > After-commit hooks don't work in async mode! > They allow to declare callbacks which will be called after transaction > commit, but server is waiting for these callbacks to be finished (in > synchronous mode) before sending response to client. > If you need async mode, you have (at least) to start another thread which > will handle your asynchronous tasks. > > Regards, > Thierry > > > Le jeu. 10 janv. 2019 à 13:37, Zsolt Ero <zsolt....@gmail.com> a écrit : >> >> Actually, it doesn't result in async-like behaviour, the client is >> still waiting for the function inside the commit hook. I guess I don't >> understand the concept then. >> >> On Thu, 10 Jan 2019 at 13:15, Zsolt Ero <zsolt....@gmail.com> wrote: >> > >> > I'm just now implementing this. Are you saying that basically, by using >> > addAfterCommitHook, I can replace put relatively fast (say, <10 seconds), >> > functions into async-like behaviour, without requiring any external queue >> > service? >> > >> > old: >> > >> > # send email was an async function, via a decorator (using Huey) >> > send_email( >> > to_email=user.email, >> > subject='account activation', >> > text=email_text, >> > ) >> > >> > >> > >> > >> > >> > new: >> > >> > request.tm.get().addAfterCommitHook(send_email_hook, kws=dict( >> > to_email=user.email, >> > subject='account activation', >> > text=email_text, >> > )) >> > >> > >> > + a helper function: >> > >> > >> > def send_email_hook(success, **kwargs): >> > if success: >> > send_email(**kwargs) >> > >> > I have two questions regarding this: >> > 1. When does success == False? >> > 2. What does the warning on transaction's doc page mean? >> > >> >> Hook functions which do raise or propagate exceptions will leave the >> >> application in an undefined state. >> > >> > >> > Practically speaking, should I put the send_email function into a >> > try-except block? >> > >> > -- >> > You received this message because you are subscribed to a topic in the >> > Google Groups "pylons-discuss" group. >> > To unsubscribe from this topic, visit >> > https://groups.google.com/d/topic/pylons-discuss/tf5kKsnZRTc/unsubscribe. >> > To unsubscribe from this group and all its topics, send an email to >> > pylons-discuss+unsubscr...@googlegroups.com. >> > To post to this group, send email to pylons-discuss@googlegroups.com. >> > To view this discussion on the web visit >> > https://groups.google.com/d/msgid/pylons-discuss/6831e434-6e85-4c41-9797-82c71ad7f2b3%40googlegroups.com. >> > For more options, visit https://groups.google.com/d/optout. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "pylons-discuss" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to pylons-discuss+unsubscr...@googlegroups.com. >> To post to this group, send email to pylons-discuss@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/pylons-discuss/CAKw-smAukCYyjhg7wp2PoP4cUCJ0JuchNqYG0LLHpVGGL%2B84mA%40mail.gmail.com. >> For more options, visit https://groups.google.com/d/optout. > > > > -- > http://www.imagesdusport.com -- http://pyams.readthedocs.io > > -- > You received this message because you are subscribed to a topic in the Google > Groups "pylons-discuss" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/pylons-discuss/tf5kKsnZRTc/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > pylons-discuss+unsubscr...@googlegroups.com. > To post to this group, send email to pylons-discuss@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/pylons-discuss/CAPX_VWCt_SfPDmYsVSK%2Bwt74j5%2BSFj8vb40LrN9PRBPY2%2Bb7Gg%40mail.gmail.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "pylons-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to pylons-discuss+unsubscr...@googlegroups.com. To post to this group, send email to pylons-discuss@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/pylons-discuss/CAKw-smCPd0j-sCuHzMa0b-sXNdXrRzB%2BWs2JHzsx5Tu6w02c7A%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
