[IronPython] MissingMemberException but it definitely exists

[Jimmy Schementi]

Michael, under what situation does SL call your event handlers  
repeatidly? I'd be interested to know if even c# event handlers do the  
same thing in your situation.

~Jimmy

On Sep 7, 2009, at 3:11 PM, "Michael Foord"  
<fuzzyman at voidspace.org.uk> wrote:

> Bob Uva wrote:
>> Michael,
>>
>> Saw your tweets about the Silverlight woes. Hope to avoid those
>> problems when I follow in your footsteps soon. I'm going to a
>> Silverlight one-day event in Redmond next week and would like to try
>> some IronPython - Silverlight stuff before I get there.
>>
>
> Generally developing for Silverlight with IronPython is great fun -  
> but this was a real pain point. :-)
>
> Anyway, I've made real progress with Try Python.
>
>   http://www.trypython.org/
>
> Michael
>
>> Bob
>>
>> On Mon, Sep 7, 2009 at 3:05 PM, Michael Foord<fuzzyman at voidspace.org.uk 
>> > wrote:
>>
>>> Bob Uva wrote:
>>>
>>>> I was able to get it working by, piece by piece, recreating the  
>>>> class
>>>> in a different file. When I was done I had what looked like exactly
>>>> the same source but worked in one file, not the other. Couldn't get
>>>> the original to ever work, so I just went with the new one. Pretty
>>>> frustrating.
>>>>
>>>>
>>> Odd. Not a problem I've ever had - but I've had my own  
>>> frustrations with
>>> IronPython and Silverlight in the last couple of days (Silverlight  
>>> calling
>>> my event handlers about a thousand times and even with the events  
>>> unhooked -
>>> switching from instance methods to functions worked but screwed up  
>>> my app
>>> architecture).
>>>
>>> Michael
>>>
>>>
>>>> Bob
>>>>
>>>> On Mon, Sep 7, 2009 at 2:30 PM, Michael Foord<fuzzyman at voidspace.org.uk 
>>>> >
>>>> wrote:
>>>>
>>>>
>>>>> Bob Uva wrote:
>>>>>
>>>>>
>>>>>> I just started using IronPython and am using SharpDevelop as an  
>>>>>> IDE.
>>>>>> I'm creating a REST web service, and have a class that has a  
>>>>>> function
>>>>>> named 'run' in it. When I create an instance of the class and  
>>>>>> then try
>>>>>> calling its run function I get a MissingMemberException saying  
>>>>>> that
>>>>>> the class has no attribute 'run'. This exception is thrown from
>>>>>> Microsoft.Scripting.Actions.MatchCaller.Call2. Shown below is  
>>>>>> the call
>>>>>> stack shown in the exception dialog from the IDE. I've even  
>>>>>> reduced
>>>>>> the run function to just calling pass and that doesn't work.  
>>>>>> Any ideas
>>>>>> where to look to debug this further?
>>>>>>
>>>>>>
>>>>>>
>>>>> Can you reproduce a minimal example - without seeing any code it  
>>>>> is
>>>>> impossible to have any idea. The first suspect I'm afraid is  
>>>>> that the
>>>>> object
>>>>> isn't what you think it is and doesn't have a run member.
>>>>>
>>>>> Michael
>>>>>
>>>>>
>>>>>
>>>>>> Thanks,
>>>>>> Bob
>>>>>>
>>>>>> System.MissingMemberException: 'AddressFilesService' object has  
>>>>>> no
>>>>>> attribute 'run'
>>>>>> at Microsoft.Scripting.Actions.MatchCaller.Call2
>>>>>> at
>>>>>>
>>>>>> Microsoft.Scripting.Actions.CallSite< 
>>>>>> Microsoft.Func< 
>>>>>> Microsoft.Scripting.Actions.CallSite, 
>>>>>> System.Object, 
>>>>>> Microsoft.Scripting.Runtime.CodeContext, 
>>>>>> System.Object>>.UpdateAndExecute
>>>>>> at Microsoft.Scripting.Actions.UpdateDelegates.Update2
>>>>>> at DLRCachedCode.<lambda$9>$51
>>>>>> at Microsoft.Scripting.Actions.MatchCaller.Call1
>>>>>> at
>>>>>>
>>>>>> Microsoft.Scripting.Actions.CallSite< 
>>>>>> Microsoft.Func< 
>>>>>> Microsoft.Scripting.Actions.CallSite, 
>>>>>> System.Object,System.Object>>.UpdateAndExecute
>>>>>> at Microsoft.Scripting.Actions.UpdateDelegates.Update1
>>>>>> at System.Threading.ThreadHelper.ThreadStart_Context
>>>>>> at System.Threading.ExecutionContext.Run
>>>>>> at System.Threading.ThreadHelper.ThreadStart
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>> --
>>>>> http://www.ironpythoninaction.com/
>>>>> http://www.voidspace.org.uk/blog
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>> --
>>> http://www.ironpythoninaction.com/
>>> http://www.voidspace.org.uk/blog
>>>
>>>
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>>>
>>
>>
>>
>>
>
>
> -- 
> http://www.ironpythoninaction.com/
> http://www.voidspace.org.uk/blog
>
>
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