On Thu, Feb 19, 2009 at 5:01 AM, Barak, Ron <ron.ba...@lsi.com> wrote:
> Hi,
>
> I have a class derived from two parents (in blue below), which gives me the
> following error:
>
> $ python -u ./failover_pickle_demo09.py
> Traceback (most recent call last):
> File "./failover_pickle_demo09.py", line 291, in <module>
> class ListControl(wx.Frame, CopyAndPaste):
> TypeError: Error when calling the metaclass bases
> metaclass conflict: the metaclass of a derived class must be a
> (non-strict) subclass of the metaclasses of all its bases
> Googling suggested I should add
> from noconflict import classmaker
> and
>
> __metaclass__=classmaker()
> to this class.
>
> However, I don't seem able to find where to get the noconflict module from.
>
> Do any of you where noconflict could be downloaded/installed from ?
>From what I could google, you should in theory be able to fix the
problem (without using any 3rd party module) by doing:
class ListControlMeta(type(wx.Frame), type(CopyAndPaste)):
pass
class ListControl(wx.Frame, CopyAndPaste):
__metaclass__ = ListControlMeta
#rest of class...
Cheers,
Chris
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