[IronPython] Powershell Sample and IP 2

Dave Fugate dfugate at microsoft.com
Wed Apr 23 01:03:00 CEST 2008


I could be mistaken, but I think it was actually a bug that we did in fact allow calling update on new-style class dictionaries in 1.0:
        IronPython 1.0.60816 on .NET 2.0.50727.1434
        Copyright (c) Microsoft Corporation. All rights reserved.
        >>> class K(object): pass
        ...
        >>> hasattr(K.__dict__, "update")
        True

        Python 2.5 (r25:51908, Sep 19 2006, 09:52:17) [MSC v.1310 32 bit (Intel)] on win32
        Type "help", "copyright", "credits" or "license" for more information.
        >>> class K(object): pass
        ...
        >>> hasattr(K.__dict__, "update")
        False

        IronPython 2.0 Beta (2.0.0.1000) on .NET 2.0.50727.1434
        Copyright (c) Microsoft Corporation. All rights reserved.
        >>> class K(object): pass
        ...
        >>> hasattr(K.__dict__, "update")
        False




-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Michael Foord
Sent: Tuesday, April 22, 2008 1:54 PM
To: Discussion of IronPython
Subject: Re: [IronPython] Powershell Sample and IP 2

Dave Fugate wrote:
> Thanks for reporting this Michael!  We actually discovered this internally about a year ago in one of the 2.0 Alphas, and made a few changes to get it (mostly) working again:
>         E:\Merlin\Main\Languages\IronPython\Samples\IPPowerShell>ipyd
>         IronPython 2.0 Beta (2.0.0.1000) on .NET 2.0.50727.1434
>         Copyright (c) Microsoft Corporation. All rights reserved.
>         >>> from powershell import shell
>         >>>
>
> At this point I think we'll probably end up re-releasing some of the IP 1.0 samples shortly after IP 2.0 RTM.  If you're interested in getting this working under Beta 1 now, the change is fairly simple - replace "ShellOutput.__dict__.update(cmds)" in powershell.py with "ShellOutput.out_string = ShellCommand("Out-String")".  Hope that helps.
>
>

Well - that isn't an uncommon usage pattern in Python - so the bug that
prevents you updating into an instance dict should be fixed as well. :-)

Michael

> Dave
>
>
> -----Original Message-----
> From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Michael Foord
> Sent: Monday, April 21, 2008 3:21 PM
> To: Discussion of IronPython
> Subject: [IronPython] Powershell Sample and IP 2
>
> Hello all,
>
> Just to let you know that the IronPython Powershell sample is broken for
> IronPython 2:
>
>  >>> from powershell import shell
> Traceback (most recent call last):
>   File , line unknown, in Initialize##224
>   File , line unknown, in _stub_##3
>   File Snippets, line unknown, in Initialize
>   File Snippets, line unknown, in init_runspace
> AttributeError: 'dictproxy' object has no attribute 'update'
>
> :-(
>
> Michael
> http://www.ironpythoninaction.com/
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