[IronPython] Accessing assembly names from Silverlight

[Michael Foord]

On 26/04/2010 21:40, Dino Viehland wrote:
> Michael wrote:
>    
>> Hello all,
>>
>> The following code dies in Silverlight:
>>
>> import clr
>> clr.AddReference("System.Xml")
>> "System.Xml" in [assembly.GetName().Name for assembly in clr.References]
>>
>> SystemError: Security transparent method
>> System.Reflection.Assebly.GetName() cannot access
>> Microsoft.Scripting.Actions... using reflection.
>>
>> This is making it less useful to port the IronPython dotnet integration
>> tutorial to Try Python. :-)
>>
>> Repeated calls throw a slightly different error in the end (still a
>> system error - but a different message).
>>      
> This is actually just a limitation inside of Silverlight.  For some reason
> Assembly.GetName() is a security critical method and cannot be called.  It
> also fails in a simple C# Hello world app with:
>
> Attempt by security transparent method 'SilverlightApplication1.MainPage..ctor()' to access security critical method 'System.Reflection.Assembly.GetName()' failed.
>
> I have no clue why this limitation exists (maybe some information disclosure
> issue?)  but I think you could do:
>
> AssemblyName(assembly.FullName).Name
>    

Ok - thanks. I'll switch the example to do that instead. I created an 
issue for this, so you could add this as a comment and close it.

All the best,

Michael

> instead.
>
> _______________________________________________
> Users mailing list
> Users at lists.ironpython.com
> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
>    


-- 
http://www.ironpythoninaction.com/
http://www.voidspace.org.uk/blog

READ CAREFULLY. By accepting and reading this email you agree, on behalf of your employer, to release me from all obligations and waivers arising from any and all NON-NEGOTIATED agreements, licenses, terms-of-service, shrinkwrap, clickwrap, browsewrap, confidentiality, non-disclosure, non-compete and acceptable use policies (”BOGUS AGREEMENTS”) that I have entered into with your employer, its partners, licensors, agents and assigns, in perpetuity, without prejudice to my ongoing rights and privileges. You further represent that you have the authority to release me from any BOGUS AGREEMENTS on behalf of your employer.