[IronPython] System.MissingMemberException

[Dino Viehland]

Marcin wrote:
> Hello everyone,
> 
> I have stumbled upon what's probably an idiotic newbie problem: if I add
> any method to a class, I get System.MissingMemberException. E.g.
> 
> import clr
> clr.AddReference('System.Windows.Forms')
> 
> from System.Windows.Forms import *
> 
> 
> class MyForm(Form):
>      def __init__(self):
>           button = Button()
>           button.Text = 'Click Me'
>           self.button = button
>           self.Controls.Add(button)
>           x = 'abc'
>           b = self.func(range(5))
> 
>       def func(self, x):
>           return x
> 
> 
> form = MyForm()
> Application.Run(form)
> 
> 
> If I comment out func and reference to func in __init__, it works.
> However, with func I get lots of exceptions:
> 
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded
> 'C:\WINDOWS\Microsoft.Net\assembly\GAC_32\mscorlib\v4.0_4.0.0.0__b77a5c561934e
> 089\mscorlib.dll',
> Skipped loading symbols. Module is optimized and the debugger option
> 'Just My Code' is enabled.
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded 'C:\Documents and
> Settings\Administrator\Local Settings\Application
> Data\Microsoft\VisualStudio\10.0\Extensions\Microsoft\IronPython Tools
> for Visual Studio\0.3\ipyw.exe'
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded 'C:\Documents and
> Settings\Administrator\Local Settings\Application
> Data\Microsoft\VisualStudio\10.0\Extensions\Microsoft\IronPython Tools
> for Visual Studio\0.3\Microsoft.Dynamic.dll'
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded 'C:\Documents and
> Settings\Administrator\Local Settings\Application
> Data\Microsoft\VisualStudio\10.0\Extensions\Microsoft\IronPython Tools
> for Visual Studio\0.3\Microsoft.Scripting.dll'
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded
> 'C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Configuration\v4.0_4.0.0.0_
> _b03f5f7f11d50a3a\System.Configuration.dll',
> Skipped loading symbols. Module is optimized and the debugger option
> 'Just My Code' is enabled.
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded
> 'C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e
> 089\System.dll',
> Skipped loading symbols. Module is optimized and the debugger option
> 'Just My Code' is enabled.
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded
> 'C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Xml\v4.0_4.0.0.0__b77a5c561
> 934e089\System.Xml.dll',
> Skipped loading symbols. Module is optimized and the debugger option
> 'Just My Code' is enabled.
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded 'C:\Documents and
> Settings\Administrator\Local Settings\Application
> Data\Microsoft\VisualStudio\10.0\Extensions\Microsoft\IronPython Tools
> for Visual Studio\0.3\IronPython.dll'
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded
> 'C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Core\v4.0_4.0.0.0__b77a5c56
> 1934e089\System.Core.dll',
> Skipped loading symbols. Module is optimized and the debugger option
> 'Just My Code' is enabled.
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded
> 'C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Numerics\v4.0_4.0.0.0__b77a
> 5c561934e089\System.Numerics.dll',
> Skipped loading symbols. Module is optimized and the debugger option
> 'Just My Code' is enabled.
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded 'C:\Documents and
> Settings\Administrator\Local Settings\Application
> Data\Microsoft\VisualStudio\10.0\Extensions\Microsoft\IronPython Tools
> for Visual Studio\0.3\IronPython.Modules.dll'
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded 'Snippets.debug.scripting'
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded
> 'C:\WINDOWS\Microsoft.Net\assembly\GAC_32\ISymWrapper\v4.0_4.0.0.0__b03f5f7f11
> d50a3a\ISymWrapper.dll'
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded 'Anonymously Hosted
> DynamicMethods Assembly'
> A first chance exception of type
> 'Microsoft.Scripting.ArgumentTypeException' occurred in
> Snippets.debug.scripting
> 'ipyw.exe' (Managed (v4.0.30319)): Loaded 'Snippets.scripting'
> A first chance exception of type 'System.MissingMemberException'
> occurred in IronPython.dll
> A first chance exception of type
> 'IronPython.Runtime.UnboundNameException' occurred in Microsoft.Dynamic.dll
> A first chance exception of type
> 'IronPython.Runtime.UnboundNameException' occurred in Microsoft.Dynamic.dll
> A first chance exception of type
> 'IronPython.Runtime.UnboundNameException' occurred in Microsoft.Dynamic.dll
> A first chance exception of type
> 'IronPython.Runtime.UnboundNameException' occurred in IronPython.dll
> A first chance exception of type 'System.MissingMemberException'
> occurred in IronPython.dll
> A first chance exception of type 'System.MissingMemberException'
> occurred in IronPython.dll
> A first chance exception of type 'System.MissingMemberException'
> occurred in IronPython.dll
> A first chance exception of type 'System.MissingMemberException'
> occurred in IronPython.dll
> A first chance exception of type 'System.MissingMemberException'
> occurred in IronPython.dll
> A first chance exception of type 'System.MissingMemberException'
> occurred in IronPython.dll
> A first chance exception of type 'System.ComponentModel.Win32Exception'
> occurred in Microsoft.Dynamic.dll
> A first chance exception of type 'System.ComponentModel.Win32Exception'
> occurred in Microsoft.Dynamic.dll
> A first chance exception of type
> 'IronPython.Runtime.Exceptions.ImportException' occurred in IronPython.dll
> A first chance exception of type
> 'IronPython.Runtime.Exceptions.ImportException' occurred in IronPython.dll
> The program '[2408] ipyw.exe: Managed (v4.0.30319)' has exited with code
> 1 (0x1).
> 
> 
> Note: I'm using VS 2010 Pro with IronPython Tools CP3.

Most of these exceptions are coming from the standard library on startup.

For the next release I think these should all be gone.  I don't see any one
of these which stands out as the exception which was breaking your code 
though.  I would have expected it to be the last one but ImportException doesn't
seem like it should be caused from the indentation.