[Mono-list] new IronPython changes reveal Mono bug in accessing protected methods?

[Rodrigo Kumpera]

Please fill a bug report on this.


On Sun, May 24, 2009 at 4:49 PM, Doug Blank <doug.blank at gmail.com> wrote:

> I'm testing the latest stable build (0.91) of the DLR (Dynamic Language
> Runtime) from:
>
>
> http://dlr.codeplex.com/Release/ProjectReleases.aspx?ReleaseId=21424#ReleaseFiles
>
> with that version of IronPython. Trying this Python code with mono ipy.exe:
>
> import clr
> clr.AddReference("System.Windows.Forms")
> from System.Windows.Forms import *
> class MyForm(Form): pass
> f = MyForm()
> f.SetStyle(ControlStyles.UserPaint, True)
>
> Gives:
>
> Traceback (most recent call last):
> TypeError: cannot access protected member SetStyle without a python
> subclass of Control
>
> This was also releated to an error that Microsoft had earlier that exposed
> protected methods, and now requires the MyForm wrapper, see:
>
> http://dlr.codeplex.com/Thread/View.aspx?ThreadId=57324
>
> I'm using:
>
> $ mono --version
> Mono JIT compiler version 134631 (tarball Sat May 23 10:52:56 UTC 2009)
> Copyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com
>     TLS:           __thread
>     GC:            Included Boehm (with typed GC and Parallel Mark)
>     SIGSEGV:       altstack
>     Notifications: epoll
>     Architecture:  x86
>     Disabled:      none
>
> I've also tried the latest version of IronPython independent of the DLR,
> and both versions of ipy.exe under .NET on Windows work fine, so this looks
> like a Mono bug, although strange that it worked before MS fixed IronPython
> so that you had to subclass Form to access the protected SetStyle. That must
> have uncovered a Mono bug, don't you think?
>
> Any feedback appreciated,
>
> -Doug
>
>
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