[Twisted-Python] callFromThread with return

Itamar Shtull-Trauring itamar at itamarst.org
Wed Sep 17 08:50:00 EDT 2003

On Wed, 17 Sep 2003 12:58:29 +0400
Egor Cheshkov <egor at iplus.ru> wrote:

> Hello! Suppose I run task in worker thread (e.g. database transaction)
> and I need to do some IO (PB call) and get the result from it during 
> transaction. Since I run not in reactor's thread it's ok to block and 
> wait for the result. I know that there is callFromThread but it never 
> return any result. Is it possible to implement something like 
> callFromThread that can block, wait for result and return it?

As documented in the threading howto, you can use

Itamar Shtull-Trauring    http://itamarst.org/
Available for Python & Twisted consulting

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