[PyQt] QVariant conversion toInt()
phil at riverbankcomputing.com
Sun Jul 27 09:17:50 BST 2008
On Sat, 26 Jul 2008 19:51:55 -0600, lj <larry at foxgulch.com> wrote:
> 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?
In C++ toInt() returns the value and an error flag via a pointer. In Python
multiple return values are handled using a tuple.
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