[Twisted-Python] Wrapping a Perspective
p.mayers at imperial.ac.uk
Fri Sep 7 05:34:45 EDT 2007
On Fri, 2007-09-07 at 17:21 +1000, Rasjid Wilcox wrote:
> On 9/6/07, Phil Mayers <p.mayers at imperial.ac.uk> wrote:
> > I suggest you abandon Perspective Broker; it's a fully async protocol,
> > and by trying to call it in a sync/blocking manner you're going to get
> > nowhere fast.
> > Use something easy like XMLRPC. Twisted can implement that as a server
> > with full deferred-capable semantics, it'll run over HTTPS, it's got
> > authentication, it's got .net bindings etc.
> I have used XMLRPC in the past (until recently it was my main use of
> Twisted), but it does not support complex objects,
Well, it an pass arrays and dictionaries; how much more complex can
objects actually get, unless you want callbacks?
> nor callbacks. PB does both, but just in an async manner.
Ah. You want callbacks. ;o)
So, let me be be sure I've understood what you want:
\- VB process
\- python COM component
<maybe Twisted in a thread>
<some kind of complex object/callback capable RMI>
/- Python object ----> another COM object
/- Twisted Process
I have a hard time seeing why you wouldn't just use DCOM for this, but
Is the python COM component on the client in-process or out of process?
I assume you have no issues creating and talking to the COM object on
Christopher Armstrong has already suggested looking at COM to see if it
can support "async" components; it's been a while, but I seem to recall
You'll still need to run the reactor in a thread of course.
> I could use CORBA instead of PB, but then I'm likely to be in the
I don't see how that would help you.
> position where I want to learn Twisted and CORBA - I'd rather just
> learn Twisted, as long as I can get it to play with Windows COM in the
> way that I want.
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