[Ironpython-users] Problem with embedding IronPython into Silverlight Application

[Slide]

Please make sure you have 2.5.2.1 and not just 2.5.2.

On Wed, Apr 18, 2012 at 12:16 PM, Mattias Ahlenius
<mattias at goodsolutions.se> wrote:
> Thanks for your quick reply Keith,
>
> Tried you code and I still get the same Exception:
>
> "Attempt by security transparent method
> 'IronPython.Modules.SysModule.GetPrefix()' to access security critical
> method 'System.Reflection.Assembly.get_Location()' failed."
>
> /Mattias
>
>
>
> 2012/4/18 Keith Rome <rome at wintellect.com>
>>
>> Does this not work for you?
>>
>>
>>
>> using IronPython.Hosting;
>>
>> // ...
>>
>> _python = Python.CreateEngine();
>>
>>
>>
>> I believe that should handle the simple/typical scenarios, unless you need
>> to alter the environment (such as plugging in a custom Host/PAL).
>>
>>
>>
>> If you need to customize the environment, then this should work:
>>
>>
>>
>> var options = new Dictionary<string, object>();
>>
>> ScriptRuntimeSetup setup = Python.CreateRuntimeSetup(options);
>>
>> _runtime = new ScriptRuntime(setup);
>>
>> _python = Python.GetEngine(_runtime);
>>
>>
>>
>>
>>
>> This code should work exactly the same on desktop CLR and Silverlight.
>>
>>
>>
>>
>>
>>
>>
>> Keith Rome
>>
>> Senior Consultant and Architect
>>
>> MCPD-EAD, MCSD, MCDBA, MCTS-WPF, MCTS-TFS, MCTS-WSS
>>
>> Wintellect | 770.617.4016 | krome at wintellect.com
>>
>> www.wintellect.com
>>
>>
>>
>> From: ironpython-users-bounces+rome=wintellect.com at python.org
>> [mailto:ironpython-users-bounces+rome=wintellect.com at python.org] On Behalf
>> Of Mattias Ahlenius
>> Sent: Wednesday, April 18, 2012 2:41 PM
>> To: ironpython-users at python.org
>> Subject: [Ironpython-users] Problem with embedding IronPython into
>> Silverlight Application
>>
>>
>>
>> Hi,
>>
>>
>>
>> I'm new to scripting and would like to add support for IronPython to our
>> Silverlight application, I have tried to find an answer on the net but could
>> not find anyone else facing the same problem. The app is an out of browser
>> application.
>>
>>
>>
>> I've added the latest release (2.7.2) from nuget, checked that the
>> binaries being used is from the SL5 libs-catalog: IronPython.2.7.2\lib\Sl5
>>
>>
>>
>> The code I use to create the scripting engine is the following:
>>
>>
>>
>> ..
>>
>>
>>             _runtime = new ScriptRuntime(DynamicEngine.CreateRuntimeSetup(true));
>>
>>             _python = _runtime.GetEngine("py");
>>
>> ..
>>
>>
>>
>> When GetEngine is executed I'll the following secutiry exception:
>>
>> "{System.MethodAccessException: Attempt by security transparent method
>> 'IronPython.Modules.SysModule.GetPrefix()' to access security critical
>> method 'System.Reflection.Assembly.get_Location()' failed.
>>
>>    at IronPython.Modules.SysModule.GetPrefix()
>>
>>    at IronPython.Modules.SysModule..cctor()}"
>>
>> When checking the code at GitHub for the method: GetPrefix()
>>
>>
>>
>> There are code checking a compiler-constant that seems to be if you
>> running in "silverlight" (don't have diskaccess to the libs), but the code
>> seems to be executed anyway, which makes me wonder if I still doesn't use
>> the correct libs for Silverlight.
>>
>>
>>
>>
>>
>> Would really appreciate if someone could point me in the right direction.
>>
>>
>>
>>
>>
>> Have a nice day!
>>
>> --
>>
>> Best regards,
>>
>>
>>
>> Mattias Ahlenius
>>
>> 031 - 788 19 25
>>
>>
>>
>> Good Solutions AB
>>
>> http://www.goodsolutions.se
>>
>>
>
>
>
>
> --
>
> Med vänlig hälsning,
>
> Mattias Ahlenius
> 031 - 788 19 25
>
> Good Solutions AB
> http://www.goodsolutions.se
>
>
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