[PyQt] Different Behavior between Python 2.6 and Python 3.1.1

[Demetrius Cassidy]

*int(**self.ui.txtNumber.text()) *
 str('abcdefg').upper()


Richard Parker wrote:
> Demetrius,
>
> I think you are right, but how can I achieve the same functionality 
> with Python 3.1.1, as I do with Python 2.6? (i.e., left(5).toUpper()) 
> for the "str" that's returned by Python 3.1.1?
>
> I looked at "[0:0<5]".format(self.ui.txtText.text())" and that seemed 
> to work, although it didn't implement the "toUpper() feature and I 
> really need a solution that will do so. I also have another string 
> from a QLineEdit object that I want to convert to an integer value and 
> I had written it as follows:
>
> numbering =  self.ui.txtNumber.text().toInt()
>
> But this also fails with an error on Python 3.1.1, indicating that a 
> "str" object has on attribute "toInt()". So, basically, I need to 
> convert both of these to be compatible with Python 3.1.1 and I'm not 
> sure how to do so. Any help will be appreciated.
>
> -rich-
>
> ----- Original Message -----
> From: "Demetrius Cassidy" <dcassidy36 at mass.rr.com>
> To: "Richard Parker" <r.richardparker at comcast.net>
> Cc: "PYQT" <pyqt at riverbankcomputing.com>
> Sent: Tuesday, January 12, 2010 2:49:41 PM GMT -08:00 US/Canada Pacific
> Subject: Re: [PyQt] Different Behavior between Python 2.6 and Python 3.1.1
>
> I think .text() in Python 3.1 with PyQt4 is returning a python 'str'
> object, instead of a QString. Try and do type(self.ui.txtText.text())
> and see what it returns.
>
> Richard Parker wrote:
> > I have the following statement in an application that runs fine with
> > Python 2.6 (and PyQt):
> >
> >         text = self.ui.txtText.text().left(5).toUpper()
> >
> > In Python 3.1.1 (with PyQt), I get the following error for the first
> > statement:
> >
> > "    text = self.ui.txtText.text().left(5).toUpper()
> > AttributeError: 'str' object has no attribute 'left' "
> >
> >
> > The "ui.txtText.text" object is a QLineEdit object, whose
> > documentation indicates that its "text()" function returns a QString
> > object, whose documentatation states that the "left(self, n)" and
> > "toUpper() functions are supported. What has changed between Python
> > 2.6 and Python 3.1 that would account for this error?
> >
> > Thanks.
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > PyQt mailing list    PyQt at riverbankcomputing.com
> > http://www.riverbankcomputing.com/mailman/listinfo/pyqt
>