Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #83250 > unrolled thread

toStringList in PyQt5

Back to article view | Back to comp.lang.python

Contents

  toStringList in PyQt5 Suhail Mahmood <suhailmahmood.c070@gmail.com> - 2015-01-05 10:04 -0800
    Re: toStringList in PyQt5 Chris Angelico <rosuav@gmail.com> - 2015-01-06 08:40 +1100

#83250 — toStringList in PyQt5

I was following the examples in 'Rapid GUI Development with Python and Qt' by Mark Summerfield. Sadly I am using PyQt5 and all the examples in this book are for PyQt4. But I have converted the codes to PyQt5 codes. But still I am having some problems. In chapter 6, there is something called QString, which I can't import(I guess this is more available in Pyqt5). Also, there is QSettings, returning something in by using 

            settings.value("Recent files").toStringList()

where settings is an instance of QSettings. Now as I can't import QString, this line is giving me an error like this:

           self.recentFiles = settings.value("RecentFiles").toStringList()
       AttributeError: 'NoneType' object has no attribute 'toStringList'

How can I get around with this problem?
Thanks.

[toc] | [next] | [standalone]

#83256

On Tue, Jan 6, 2015 at 5:04 AM, Suhail Mahmood
<suhailmahmood.c070@gmail.com> wrote:
>            self.recentFiles = settings.value("RecentFiles").toStringList()
>        AttributeError: 'NoneType' object has no attribute 'toStringList'

This sounds to me like your RecentFiles setting doesn't exist yet. You
could try a two-step approach:

files = settings.value("RecentFiles")
if files: self.recentFiles = files.toStringList()
# else self.recentFiles = ... something else? ...

or you could look at the docs for your QSettings object and see if you
can provide a default for it to return. That might save you some
trouble.

ChrisA

[toc] | [prev] | [standalone]

Back to top | Article view | comp.lang.python

csiph-web