[Twisted-Python] Suggestion for Deferred docs
Tommi Virtanen
tv at twistedmatrix.com
Thu Feb 10 16:16:21 MST 2005
snacktime wrote:
> In the documentation on Deferred's in the howto section, the examples
> that show a blocking operation and then a non blocking operation do
> not show what happened to the blocking code, it just conveniently
> disappears. For someone new to async programming it might help to
The preferred approach is not to move the blocking call into a thread,
but to actually replace it with a non-blocking call.
E.g. instead of calling a getStuffFromNetwork() that blocks, call
asyncStuffGetter() that sends a request, returns a Deferred, and
when the reactor tells asyncStuffGetter() that it got a reply, it
calls deferred.callback() with the data.
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