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MyASPN >> Mail Archive >> pyxpcom
pyxpcom
Re: [pyxpcom] Using (object) on the component's declaration
by Todd Whiteman other posts by this author
Dec 1 2008 10:39AM messages near this date
view in the new Beta List Site
Re: [pyxpcom] Using (object) on the component's declaration | [pyxpcom] Mozilla SFTP protocol handler using Python
Philip Semanchuk wrote:
>  On Dec 1, 2008, at 8:58 AM, Arthur Gouveia wrote:
>  
> > Hi folks!
> >
> > I´m trying to make a PytXPCOM + XUL  + Storm(ORM) app.
> >
> > The problem I´m having is that when I declare a component (Python  
> > Class)
> > without using (object), the PyXPCOM registers it just fine, but when  
> > I use
> > (object), or when I say the class inherits from a class that inhetis  
> > object,
> > on my Class declaration, the pyxpcom doesn't register it.
>  
>  You diagnosed this correctly. PyXPCOM components must be "old-style"  
>  classes; i.e. they cannot inherit from object. As you said, the  
>  symptom is that one's class is simply not registered. I remember that  
>  this took me a long time to debug.

Hi Philip,

Yes, this is logged as the following PyXPCOM bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=345551

There is a patch in this bug report that provides new style class 
support for PyXPCOM.

Komodo has been using this patch for a number of years now, and I also 
include this patch in the PythonExt (prebuilt PyXPCOM) builds.

Cheers,
Todd

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Arthur Gouveia
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