[IronPython] AttributeError problem

Dino Viehland dinov at exchange.microsoft.com
Mon Aug 7 17:28:12 CEST 2006

Thanks for the bug report.  I've opened CodePlex bug #1689 to track this  (http://www.codeplex.com/WorkItem/View.aspx?ProjectName=IronPython&WorkItemId=1689) .

Just to make sure we get the correct priority - is this blocking you?  My only concern is that the fix here could be a little destabilizing.  The point when we're catching the wibble exception and the point where we re-throw the fish exception are rather disconnected.  We'd like to minimize the churn now that we're at the end game so if it's not a blocker it might be better to wait for this one until 1.01.  If it is a blocker let us know and we'll take a closer look at it.  Thanks!

-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Jan Szumiec
Sent: Monday, August 07, 2006 3:22 AM
To: users at lists.ironpython.com
Subject: [IronPython] AttributeError problem


We've discovered a bug in 1.0RC1. The behavior between CPython and IP differs.

class AttributeTest(object):
    def __getattr__(self, name):
        print 'hello'
        raise AttributeError('wibble')


IronPython trace:
Traceback (most recent call last):
  File c:\development\Resolver\CSharp\RSIronPython\Engine.cs, line 52, in RunPythonFile
  File , line 0, in C:\development\att Test.py##1
AttributeError: fish

CPython trace:
C:\development>"att Test.py"
Traceback (most recent call last):
  File "C:\development\att Test.py", line 7, in ?
  File "C:\development\att Test.py", line 4, in __getattr__
    raise AttributeError('wibble')
AttributeError: wibble
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