Hey, thanks Dino,
some interesting points. However, I'm not a programmer, I'm more of a
"scripter" so all I'm familiar with is Python and MAXScript (native 3ds
Max scripting language).
I have no idea how to access the generic/non-generic engine, further
more, I have no idea what the difference is.
As for scope, I can do that, the problem is, I have no idea how exactly
to do that. Is there a documentation on this subject somewhere?
Thanks a lot for the tips, I appretiate it.
- Lukas
Dino Viehland wrote:
What language are you doing this from?
ScriptEngine.Execute has an overload which is generic and an overload
which is not generic. The generic version will get the result and
convert it to the provided generic type. It looks like for some reason
you end up trying to call the generic version here. Does the language
have support for generics? If so you could do:
engine.Execute<object>(...) (C# syntax)
which would be the same as the non-generic version.
For communication I'd suggest injecting a class into the ScriptScope
You execute the code in. Then the Python code can call back on it or
subscribe to events on it.
-----Original Message-----
From: [email protected] [mailto:users-
[email protected]] On Behalf Of Lukas Dubeda
Sent: Thursday, August 13, 2009 10:15 AM
To: [email protected]
Subject: [IronPython] Using IronPython as an assembly in dotNET
Hi there everyone,
I have a problem I can't seem to figure out.
I want to use IronPython as an assembly via dotNET, I managed to load
it
as an assembly and access various constructors, classes etc...
However, I have a problem with executing Python code from the host
application. I'm using 3ds Max to load up the assembly via dotNET. The
code looks like this:
Assembly = dotNetClass "System.Reflection.Assembly" -- loading the
assembly class
Assembly.LoadFrom "C:\IronPython-2.0.1\IronPython.dll" -- loading
IronPython
ironPythonHosting = dotNetClass "IronPython.Hosting.Python" -- loading
the hosting class
pythonEngine = ironPythonHosting.CreateEngine() -- creating an engine
Now, when I execute:
pythonEngine.ExecuteFile("C:\\tst.py")
it runs smoothly and executes the tst.py and whatever Python code
that's
inside.
Now, I want to execute the code directly, not via a saved file. I tried
this:
pythonEngine.Execute("print 'TEST'")
but it throws me an error:
-- Error occurred in anonymous codeblock; filename: ; position: 344
-- Runtime error: dotNet runtime exception: Late bound operations
cannot
be performed on types or methods for which ContainsGenericParameters is
true.
Also, if I execute the Python code inside a file, is there a way to get
the result/feedback from the code back to the host application? Via
dotNET or IronPython? Or anyhow? So that I can write more complex tools
that'd communicate with Pyhon code from within 3ds Max.
Thanks a lot in advance, cheers,
- Lukas Dubeda
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