[Twisted-Python] Woven View factories: defered rendering?
lafou at wanadoo.fr
Thu Nov 20 05:04:31 EST 2003
Same problem here, and I didn't find a solution. This should to the woven faq
On Thursday 20 November 2003 04:20, Michal Pasternak wrote:
> I have a webpage, that is rendered via twisted.web.woven.page.Page class.
> In one of it's wvfactory_ methods, I need to send an e-mail. I would also
> like to check if sending of the e-mail was successful (eg. mailserver is
> up, running, and reachable via network).
> I thought about something like this:
> def wvfactory_render(self, req, node, model):
> # do some stuff
> sendEMail().addCallbacks(self.emailOkay, self.emailFailure)
> return # what should I return here?
> def emailOkay(self, *args):
> # render "thank you, e-mail sent" message
> def emailFailure(self, *args):
> # render "error" message
> My questions:
> 1) is it a good, Twisted Python way to do this? If not,
> a) what would be the correct one?
> b) can you point me to some docs?
> 2) if it is a good way:
> a) is it implemented? if yes:
> 1) what should I return from wvfactory_render?
> 2) what parameters would be passed to callbacks then?
> b) if not, do you think it would be worth implementing?
> I have seen something similar like the thing I want to code in some example
> def render(...):
> [ launch some callbacks ]
> return server.NOT_DONE_YET
> ... but they were about Resource class, and I'm using Page here.
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