[IronPython] System.MissingMemberException

[Marcin Krol]

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__b77a5c561934e089\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__b77a5c561934e089\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__b77a5c561934e089\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__b77a5c561934e089\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__b77a5c561934e089\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__b03f5f7f11d50a3a\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.


-- 

Regards,
mk

--
Premature optimization is the root of all fun.