[Twisted-Python] Deferred documentation.

Jasper St. Pierre jstpierre at mecheye.net
Tue Mar 29 09:24:27 EDT 2011

Good catch, I really should mention that...

On Tue, Mar 29, 2011 at 8:56 AM, Peter Hogg <dev at vokoda.com> wrote:

> I haven't been following the thread, but just wanted to mention
> something that caught me out when I was learning to use deferreds.
> Both the old deferred documentation and your fix-up fail to mention
> addCallbacks() until near the end, when in practice I find
> addCallbacks() to be much more useful than addCallback(). The diagram
> near the top demonstrating the deferred process also implies the use of
> addCallbacks(), even though prior to this only addCallback() and
> addErrback() have been mentioned. This confused me into thinking a
> consecutive addCallback().addErrback() would register a callback and an
> errback at the same point in the processing chain.
> Apart from this point I found the old documentation very clear. If you
> really want the idiots guide I think you need animated diagrams, or
> something, but I don't see that happening.
> Rgds,
> vokoda
> Jasper St. Pierre wrote:
> > Glyph Lefkowitz
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