[IronPython] Two questions regarding exposing an API.

[Dan Eloff]

Hi,

exec is not a function, it's a statement.

exec moduleSource in newModule.__dict__

-Dan

On Tue, Jul 8, 2008 at 6:40 AM, TraumaPony <pontheangelofdeath at gmail.com> wrote:
> Hi, I have two questions regarding the IronPython 2.0 B3.
>
> 1. I'm trying to expose only a few methods from my assembly, but I haven't
> the faintest idea how to do it. The best I can come up with is the
> following:
>
> import clr
> clr.AddReference("CoolEngine")
> def randomIntNoParams():
>     from CoolEngine.Engine.Scripting import ScriptManager
>     return CoolEngine.Engine.Scripting.ScriptManager.RandomInt()
> def randomIntOneParam(i):
>     from CoolEngine.Engine.Scripting import ScriptManager
>     return CoolEngine.Engine.Scripting.ScriptManager.RandomInt(i)
> def randomIntTwoParams(i, j):
>     from CoolEngine.Engine.Scripting import ScriptManager
>     return CoolEngine.Engine.Scripting.ScriptManager.RandomInt(i, j)
> def randomIntThreeParams(i, j, k):
>     from CoolEngine.Engine.Scripting import ScriptManager
>     return CoolEngine.Engine.Scripting.ScriptManager.RandomInt(i, j, k)
> def randomIntThreeParamsNoReturn(i, j, k):
>     from CoolEngine.Engine.Scripting import ScriptManager
>     CoolEngine.Engine.Scripting.ScriptManager.RandomIntNoReturn(i, j, k)
> But alas, it says "name 'CoolEngine' is not defined" . What am I doing wrong
> there?
>
> 2. I'm trying to create a module dynamically at runtime. I have the
> following code which I want to be placed in a module called "Script":
>
> import clr
> clr.AddReference("System.Threading")
> def Pause(milliseconds):
>     from System.Threading.Tasks import Task
>     Task.CurrentTask.Wait(milliseconds)
>
> However, I have no idea how to get it into its own module from there, and
> including it in its own file called Script.py is out of the question; I have
> that code as a string resource in my assembly.
>
> I'm doing the following:
>
> Engine.CreateScriptSourceFromString(
>
> "import imp\n"
>
> +
>
> "import sys\n"
>
> +
>
> "newModule = imp.new_module(moduleName)\n"
>
> +
>
> "exec(moduleSource, newModule.__dict__)\n"
>
> +
>
> "sys.modules[moduleName] = newModule"
>
> , SourceCodeKind.Statements).Execute(scope);
>
> where the moduleName variable is "Script" and the moduleSource is the above
> source code. However, I get the following message:
>
> An unhandled exception of type 'Microsoft.Scripting.SyntaxErrorException'
> occurred in Unknown Module.
>
> Additional information: unexpected token '\r'
>
> Any ideas?
>
>
>
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