[IronPython] hosting and SetVariable

[Seshadri Pillailokam Vijayaraghavan]

The latest Hosting API Spec is available at http://compilerlab.members.winisp.net/.
It's available as both doc (http://compilerlab.members.winisp.net/dlr-spec-hosting.doc) or PDF (http://compilerlab.members.winisp.net/dlr-spec-hosting.pdf).

Thanks
Sesh
-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Slide
Sent: Thursday, May 29, 2008 8:42 AM
To: Discussion of IronPython
Subject: Re: [IronPython] hosting and SetVariable

Apparently I need to update to the latest IP2.0 beta. I don't even see
CurrentManager.Globals, thanks for the info.

On Thu, May 29, 2008 at 8:37 AM, Dino Viehland
<dinov at exchange.microsoft.com> wrote:
> What you want to do is put the variables in ScriptDomainManager.Globals/ScriptRuntime.Globals and then you can import them.  For example:
>
> ScriptDomainManager.CurrentManager.Globals.SetVariable("hello_world", "hi!");
>
> Then you can do:
>
> import hello_world
>
> and we'll pick it up from globals.  Just FYI IronPython.Hosting.PythonEngine is going away (along w/ CurrentEngine) so you're better off creating a ScriptRuntime and getting a ScriptEngine from it by name.
>
> -----Original Message-----
> From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Slide
> Sent: Thursday, May 29, 2008 8:14 AM
> To: Discussion of IronPython
> Subject: [IronPython] hosting and SetVariable
>
> Perhaps this is just missing knowledge on my part, but here goes.
>
> I am using IP2.0 with the hosting API to add scripting support to my
> application. I use the following code to create my main module from
> the script file the user selects:
>
>  ICompiledCode code =
> IronPython.Hosting.PythonEngine.CurrentEngine.Compile(SourceUnit.CreateFileUnit(_context,
> path), _error_sink);
> __main__ = code.MakeModule("__main__") as ScriptScope;
>
> // create our module.
> ScriptDomainManager.CurrentManager.PublishModule(__main__, "__main__");
>
> // add all the references the "Host" wanted.
> foreach (string assembly in _assemblies)
>      Microsoft.Scripting.ClrModule.GetInstance().AddReference(Path.GetFileNameWithoutExtension(assembly));
>
> // set all the variables that the "Host" wanted set.
> foreach (KeyValuePair<string, object> obj in _objects)
>      __main__.SetVariable(obj.Key, obj.Value);
>
> The last foreach is setting up my object model which is available to
> my scripts. My problem arises when I want to use one of these
> variables from a script that is imported from the user selected script
> file.
>
> For instance, if I add an object _objects.Add("MyObj", someObj), I can
> reference that object in the user script as MyObj with no problem.
> What I would like to do is have these variables global to all scripts
> that are imported, etc. I tried import __main__ in my other scripts,
> but __main__ doesn't show up in sys.modules (which is what I thought
> PublishModule would do, but thats a different story).
>
> Am I going about this the wrong way?
>
> Thanks
>
> slide
>
> --
> slide-o-blog
> http://slide-o-blog.blogspot.com/
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