"fooclass" is not a Python type. It's an instance of the CLR class
System.RuntimeType. In order to derive from "foo" in this fashion, you might
be able to turn fooclass into a IronPython.Runtime.Types.PythonType by
saying
import clr
foo = clr.GetPythonType(fooclass)
class bar(foo):
pass
If it's consistent with your security requirements, it would be simpler to
simply expose your C# assembly directly to IronPython. You would do this
from within the C# code by saying
scriptRuntime.LoadAssembly(typeof(foo).Assembly);
and then you could say from your Python code
from Namespace.Containing.Your.Foo.Class import foo
On Mon, Dec 28, 2009 at 4:36 AM, Marcel Heing-Becker <mars...@googlemail.com
> wrote:
> PLEASE IGNORE MY PREVIOUS POST with the same title, I accidentally sent it
> before I was finished cleaning up the code.
>
> Hi there,
> I have a problem with my application. It's written in C# and embeds
> IronPython. In C#, I have a class that looks like this:
>
> public class foo
> {
> public foo()
> {
> ...
> }
> ...
> }
>
> I put this into the ScriptScope I use by doing:
>
> scope.SetVariable("fooclass", typeof(foo));
>
> Operations like: a = fooclass() work without any problem, but the following
> IronPython does not work and raises the error: Cannot create instances of
> RuntimeType because it has no public constructors. Code:
>
> class bar(fooclass):
> def __init__(self):
> Name = "Unused"
> ...
>
> barobject = bar()
>
> Well, I can't really say what this is about. Is it a Bug in IP or anything
> like a limitation?
> Greetings, Marcel
>
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>
>
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