[Zope-dev] connecting server code to the ZODB

Florent Guillaume fg at nuxeo.com
Fri Nov 5 09:34:06 EST 2004

In article <2233. at> you write:
> Hi,
> I'm trying to figure out how to adjust Nikolay Kim's smtpserver code
> <http://cvs.sourceforge.net/viewcvs.py/collective/smtpserver/> so that
> objects within the ZODB can affect the way that messages are received
> (i.e. veto messages based on certain criteria in the first instance).
> My problem is that I don't quite know how to get hold of the ZODB objects.
>  As far as I can tell, Nikolay's
> smtpserver.SMTPServer.SMTPChannel.process_message method uses
> ZServer.PubCore.handle to make the connection, but I don't really
> understand how this all works.
> What I really want to be able to do from the server code is something like::
>     root = magic_that_gets_me_zodb_root()

That magic is basically (from memory):

  import Zope
  root = Zope.app()

But note that starting up a zope is slow, so you don't want to do that
very often.


>     account_manager = root['Control_Panel']['AccountManager']
>     account_manager.checkAccepts(msg)
> I want calls like that to checkAccepts(msg) to be made a several points in
> the SMTP session - say after each of the SMTP commands RCPT, MAIL, DATA,
> etc.  I only mention that in case there are implications for some
> transaction jiggery-pokery (although I don't expect any of the
> checkAccepts() type calls to need to write to the ZODB).
> Any pointers much appreciated.
> tim
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Florent Guillaume, Nuxeo (Paris, France)   CTO, Director of R&D
+33 1 40 33 71 59   http://nuxeo.com   fg at nuxeo.com

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