[omniORB] omniORBpy-3.0 "casting" inout Parameters

[aaaa bbbb]

--- Duncan Grisby <duncan at grisby.org> wrote:

> On Friday 17 August, aaaa bbbb wrote:
> 
> > I have to use the following interface:
> > 
> > module A 
> > {
> > [...]
> >   struct Attr {
> >     string name;
> >     SomeType type;
> >     long numericv;
> >     string textv;
> >     SomeType2 state; 
> >   };
> >   typedef sequence<Attr> AttrSeq;
> > }
> > 
> > module B
> > {
> > [...]
> > 
> >     A::RetType myFkt(
> >       in A::Type1 ver,             // Enumeration
> >       inout A::Type2 obj, 
> >       inout A::AttrSeq theList)
> >       raises (A::SomeException);
> > 
> > }
> > 
> > import A
> > import B
> > 
> > [...]
> > ret, obj, theList=obj.myFkt(A.NUMBER1, obj,
> theList)
> > 
> > will throw an BAD_PARAM_WrongPythonType exception.
> How
> > can I "cast" obj and theList to the correct type? 
> > I have read the OMG "Python Language Mapping
> > Specification" but was not able to find any
> > information. Thanks for any help!
> 
> You've missed out the important bit of the code
> where you populate the
> argument values. You are calling the operation with
> the right number of
> arguments, and extracting the right return values.
> The problem is that
> the arguments don't have the right types according
> to the IDL. It's
> nothing to do with the fact that they are declared
> inout.
Thanks for your reply!

That is exactly the problem. I don't know how to
create variables with the correct type.

theList = A.AttrSeq() 
will fail with an exception (__init__ method of
A.AttrSeq create by omniiorb is " raise
RuntimeError("Cannot construct objects of this
type.")")


     
____________________________________________________________________________________
Luggage? GPS? Comic books? 
Check out fitting gifts for grads at Yahoo! Search
http://search.yahoo.com/search?fr=oni_on_mail&p=graduation+gifts&cs=bz


       
____________________________________________________________________________________Ready for the edge of your seat? 
Check out tonight's top picks on Yahoo! TV. 
http://tv.yahoo.com/