[IronPython] Silverlight wierdness with slots

Wed Jul 9 18:47:03 CEST 2008

Here's a repro. Just ignore scroll straight to the bottom of app.py,
the other stuff is boilerplate I always include.

-Dan

On Wed, Jul 9, 2008 at 12:09 AM, Jimmy Schementi
<Jimmy.Schementi at microsoft.com> wrote:
> Yes you are :) I'll give this a try at repoing, and let you know what I find.
>
> ~js
> ________________________________________
> From: users-bounces at lists.ironpython.com [users-bounces at lists.ironpython.com] On Behalf Of Dan Eloff [dan.eloff at gmail.com]
> Sent: Tuesday, July 08, 2008 9:34 PM
> To: Discussion of IronPython
> Subject: [IronPython] Silverlight wierdness with __slots__
>
> Looks like I've been making work for you folks tonight :(
>
> I seem to have encountered some trouble with slots, but the very
> strange thing is, it only seems to happen in silverlight. I run over
> this code a lot in my test suite, and it passes (running with wpf.) If
> I comment out the __slots__ = ('blocks',) it works. Any idea if I'm
> doing something wrong or if it's a problem in IronPython?
>
> I thought perhaps I'm mixing assemblies by mistake, but I copied all
> IronPython 2.0b3 .dlls from the silverlight folder, right into my .xap
>
> Here's the traceback. Code for the offending class hierarchy is
> available if it will be helpful.
>
> I'm trying to figure out why I'm having so many issues I never see
> outside of silverlight.
>
> -Dan
>
> SystemError: Ambiguous match found.
> beskar\tags.py
> Line 97:
> Line 98:     def __init__(self):
> Line 99:         self.blocks = [] # stack
> Line 100:
> Line 101:     def data(self, compiler, code):
>
> SystemError
> at __init__ in beskar\tags.py, line 99
> at StartElementHandler in beskar\parser.py, line 53
> at _StartElementHandler in beskar\xml.py, line 51
> at Parse in beskar\xml.py, line 38
> at parse in beskar\parser.py, line 37
> at load in beskar\parser.py, line 27
> at load in beskar\loader.py, line 18
> at load in game\templates\__init__.py, line 8
> at load_xaml in game\templates\__init__.py, line 11
> at bug in game\__init__.py, line 27
> at global_hotkeys in game\hotkeys.py, line 19
> CLR Stack Trace:
>   at System.RuntimeType.GetPropertyImpl(String name, BindingFlags
> bindingAttr, Binder binder, Type returnType, Type[] types,
> ParameterModifier[] modifiers)
>   at System.Type.GetProperty(String name)
>   at IronPython.Runtime.Types.ReflectedSlotProperty.CreateSetter()
>   at IronPython.Runtime.Types.ReflectedSlotProperty.EnsureSetter(SlotValue
> value)
>   at IronPython.Runtime.Types.ReflectedSlotProperty.get_SetterMethod()
>   at IronPython.Runtime.Operations.UserTypeOps.MakeSlotsSetTarget[T](CodeContext
> context, RuleBuilder`1 rule, ReflectedSlotProperty rsp, Expression
> value)
>   at IronPython.Runtime.Operations.UserTypeOps.MakeSlotsSetTarget[T](CodeContext
> context, RuleBuilder`1 rule, ReflectedSlotProperty rsp)
>   at IronPython.Runtime.Operations.UserTypeOps.MakeSetMemberRule[T](CodeContext
> context, SetMemberAction action, Object[] args)
>   at IronPython.Runtime.Operations.UserTypeOps.GetRuleHelper[T](DynamicAction
> action, CodeContext context, Object[] args)
>   at IronPython.NewTypes.System.Object_6$6.GetRule[T](DynamicAction ,
> CodeContext , Object[] )
>   at IronPython.Runtime.Calls.PythonBinder.MakeRule[T](DynamicAction
> action, Object[] args)
>   at Microsoft.Scripting.Actions.ActionBinder.Bind[T](DynamicAction
> action, Object[] args)
>   at Microsoft.Scripting.Actions.MemberAction.Bind[T](Object[] args)
>   at Microsoft.Scripting.Actions.CallSite`1.CreateNewRule(Rule`1
> originalMonomorphicRule, Object[] args)
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update3[T,T0,T1,T2,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2)
>   at S$41.__init__$1355(Closure , Object self)
>   at _stub_$3420##2008(Closure , CallSite , CodeContext , Object , Object )
>   at _stub_$749##498(Closure , CallSite , CodeContext , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update2[T,T0,T1,TRet](CallSite
> site, T0 arg0, T1 arg1)
>   at _stub_$3820##2408(Closure , CallSite , CodeContext , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update2[T,T0,T1,TRet](CallSite
> site, T0 arg0, T1 arg1)
>   at S$40.StartElementHandler$1324(Closure , Object self, Object
> name, Object attrs)
>   at _stub_$3784##2372(Closure , CallSite , CodeContext , Object ,
> Object , Object , Object )
>   at _stub_$3783##2371(Closure , CallSite , CodeContext , Object ,
> Object , Object )
>   at S$35._StartElementHandler$1200(Closure , Object self, Object r)
>   at _stub_$3764##2352(Closure , CallSite , CodeContext , Object ,
> Object , Object )
>   at _stub_$3763##2351(Closure , CallSite , CodeContext , Object , Object )
>   at S$35.Parse$1199(Closure , Object self, Object data)
>   at _stub_$3025##1616(Closure , CallSite , CodeContext , Object ,
> Object , Object )
>   at _stub_$650##430(Closure , CallSite , CodeContext , Object , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update3[T,T0,T1,T2,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2)
>   at S$40.parse$1322(Closure , Object self, Object data, Object name)
>   at _stub_$3731##2319(Closure , CallSite , CodeContext , Object ,
> Object , Object , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update5[T,T0,T1,T2,T3,T4,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
>   at _stub_$3730##2318(Closure , CallSite , CodeContext , Object ,
> Object , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update4[T,T0,T1,T2,T3,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2, T3 arg3)
>   at S$40.load$1320(Closure , Object self, Object path, Object context)
>   at _stub_$3706##2294(Closure , CallSite , CodeContext , Object ,
> Object , Object , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update5[T,T0,T1,T2,T3,T4,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
>   at _stub_$3705##2293(Closure , CallSite , CodeContext , Object ,
> Object , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update4[T,T0,T1,T2,T3,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2, T3 arg3)
>   at S$42.load$1488(Closure , Object path, Object namespaces)
>   at S$42.load$1488(Closure , Object[] )
>   at _stub_$3667##2255(Closure , CallSite , CodeContext , Object , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update3[T,T0,T1,T2,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2)
>   at S$26.load$909(Closure , Object template)
>   at _stub_$1047##540(Closure , CallSite , CodeContext , Object , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update3[T,T0,T1,T2,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2)
>   at S$26.load_xaml$910(Closure , Object template, Object namespaces)
>   at S$26.load_xaml$910(Closure , Object[] )
>   at _stub_$3663##2251(Closure , CallSite , CodeContext , Object ,
> String , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update4[T,T0,T1,T2,T3,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2, T3 arg3)
>   at S$4.bug$384(Closure )
>   at _stub_$375##345(Closure , CallSite , CodeContext , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update2[T,T0,T1,TRet](CallSite
> site, T0 arg0, T1 arg1)
>   at S$80.global_hotkeys$3314(Closure , Object sender, Object e)
>   at _stub_$3653##2241(Closure , CallSite , CodeContext , Object ,
> Object , Object )
>   at _stub_MatchCaller(Object , CallSite , Object[] )
>   at Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>   at Microsoft.Scripting.Actions.UpdateDelegates.Update4[T,T0,T1,T2,T3,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2, T3 arg3)
>   at System.Void(Object, KeyEventArgs)(Object[] , Object , KeyEventArgs )
>   at System.Windows.CoreInvokeHandler.InvokeEventHandler(Int32
> typeIndex, Delegate handlerDelegate, Object sender, Object args)
>   at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr
> unmanagedObjArgs, Int32 argsTypeIndex, String eventName)
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