[Python.NET] Errors with Python.Net 2.0 SP 1

[Feihong Hsu]

Yes! That did the trick. 

Thanks so much for tracking the problem down!

- Feihong

--- Nicolas Lelong <nico_ml at mgdesign.fr> wrote:

> After having setup a minimum repro case for a MSDN Forum
>
(http://forums.microsoft.com/Forums/ShowPost.aspx?PostID=2735385&SiteID=1),
> I came up with a simple workaround that suits me for now...
> 
> The problems comes for the AssemblyManager, it seems that on
> dynamic Assemblies, the AssemblyLoad event is called before the
> Assembly object is properly set up, and that the GetTypes() call
> issued in ScanAssembly messes up the internal state of the newly
> created Assembly....
> 
> As, dynamic assemblies are empty when created, there's no point is
> scanning them - at least, this is the case of assemblies created by
> Python.Runtime.CodeGenerator and Python.Runtime.NativeCall.
> 
> So, checking is an assembly is dynamic before calling ScanAssembly
> does the trick, see the following patch :
> 
> Index: pythonnet/src/runtime/assemblymanager.cs
> ===================================================================
> --- pythonnet/src/runtime/assemblymanager.cs    (révision 90)
> +++ pythonnet/src/runtime/assemblymanager.cs    (copie de travail)
> @@ -87,7 +87,12 @@
>          static void AssemblyLoadHandler(Object ob,
> AssemblyLoadEventArgs args){
>              Assembly assembly = args.LoadedAssembly;
>              assemblies.Add(assembly);
> -            ScanAssembly(assembly);
> +            // .NET v2.0 SP1 bug workaround ; ScanAssembly called
> on newly created DynamicAssembly causes problems
> +            // only scan non-dynamic assemblies...
> +            if ( !(assembly is
> System.Reflection.Emit.AssemblyBuilder) )
> +            {
> +                ScanAssembly(assembly);
> +            }
>          }
> 
> It fixes the issue, as I'm quite new to .NET I may miss something
> obvious...
> 
> Any thoughts ?
> 
> Cheers,
> Nicolas.
> > _________________________________________________
> Python.NET mailing list - PythonDotNet at python.org
> http://mail.python.org/mailman/listinfo/pythondotnet



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