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List:       pykde
Subject:    Fwd: Re: [PyQt] QVariant conversion toInt()
From:       Christoph Burgmer <chrislb () gmx ! de>
Date:       2008-07-27 11:55:34
Message-ID: 200807271355.35328.chrislb () gmx ! de
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For reference again now to the list, though this has been answered already.

----------  Weitergeleitete Nachricht  ----------

Subject: Re: [PyQt] QVariant conversion toInt()
Date: Sonntag, 27. Juli 2008
From: Christoph Burgmer <chrislb@gmx.de>
To: larry@foxgulch.com

Am Sonntag, 27. Juli 2008 schrieb lj:
> Given this small snip:
>
> from PyQt4.QtCore  import *
> from PyQt4.QtGui import *
>
> qv = QVariant(255)
> print qv.canConvert(QVariant.Int)  #prints True, can be converted
> x =  qv.toInt()                    # so attempt the conversion
> print type(x), x                  #prints <type 'tuple'>  (255, True)
>                                   # I expected  <type int>  and  255
>
> I supposed that x after conversion out of the variant object qv would be
> type Int  and  print x  would  result in 255 being printed but that
> doesn't happen.
>
> I must be missing something?

The documentation on QVariant reflects the different behaviour of PyQt in this 
case [1], [2]:

(int, bool ok) toInt (self)

Chris

[1] http://doc.trolltech.com/4.4/qvariant.html
[2] http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qvariant.html

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