I think that QtGui.QFileDialog.getSaveFileName returns a tuple, the first 
element of which is the file name. You can ignore the second element by using:

fname, _ = QtGui.QFileDialog.getSaveFileName(self, 'Save file', 
'/home/untitled.png', 'Images (*.png *.xpm *.jpg)')

Ray

On Mar 12, 2012, at 4:24 PM, Darren Dale wrote:

> On Mon, Mar 12, 2012 at 4:30 PM, Sourabh Bajaj <sb2...@gmail.com> wrote:
>> I am getting a segmentation fault when I try to declare a new image name. I
>> can replace a existing image correctly. Why am I getting the error at the
>> getSaveFileName dialog ??
> [...]
>> fname = QtGui.QFileDialog.getSaveFileName(self, 'Save file',
>> '/home/untitled.png', 'Images (*.png *.xpm *.jpg)')
> 
> Here is the call signature:
> 
> QString getSaveFileName (QWidget parent = None, QString caption =
> QString(), QString directory = QString(), QString filter = QString(),
> Options options = 0)
> 
> You are passing a file name to a function argument that is expecting a
> directory. Maybe that has something to do with it. Although, I don't
> know why that would cause a crash, unless there is a bug in Qt/PyQt.
> 
> Darren
> 
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-- 
Ray Osborn
Materials Science Division
Argonne National Laboratory
Argonne, IL 60439, USA
Phone: +1 (630) 252-9011
Email: rosb...@anl.gov




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