On Wednesday 28 February 2007 9:26 am, [EMAIL PROTECTED] wrote: > On Feb 28, 10:22 am, Phil Thompson <[EMAIL PROTECTED]> > > wrote: > > On Wednesday 28 February 2007 9:00 am, [EMAIL PROTECTED] wrote: > > > On Feb 28, 9:07 am, [EMAIL PROTECTED] wrote: > > > > On Feb 28, 8:56 am, Phil Thompson <[EMAIL PROTECTED]> > > > > > > > > wrote: > > > > > On Tuesday 27 February 2007 11:09 pm, shredwheat wrote: > > > > > > When your programs stops with the error, it should also be > > > > > > printing a stack trace. This is a list of all the functions that > > > > > > have been called when Python had the problem. > > > > > > > > > > > > You shouldn't have to do anything extra to get the stack trace. > > > > > > > > > > The error is raised in Qt and aborts immediately. It never gets > > > > > back to Python to generate a trace. > > > > > > > > > > He needs to produce a short and complete test which demonstrates > > > > > the problem, then we can point out where the QPaintDevice is being > > > > > created. > > > > > > > > > > Phil > > > > > > > > OK, but before I do a complete test, could anybody tell/explain me > > > > why the same file is working on Windows? > > > > Did anybody already meet with something similar Win vs. Linux? > > > > > > > > b. > > > > > > Here is my simple script: > > > > > > import sys > > > from qt import * > > > class Optimizer(QWidget): > > > def __init__(self, parent = 0): > > > QWidget.__init__(self) > > > QGridLayout(self) > > > if __name__ == '__main__': > > > a = QApplication (sys.argv) > > > mywidget = Optimizer() > > > a.exec_loop() > > > > > > This produces this: > > > > python qt_script_bs_070228.py > > > > > > QPaintDevice: Must construct a QApplication before a QPaintDevice > > > > > > Any suggestions here? > > > > It works fine for me. > > > > > Thanks > > > > > > BTW: One question: > > > when I use "import qt" instead of "from qt import *" I get this error: > > > Traceback (most recent call last): > > > File "mscarideidtool_bs_070228.py", line 4, in ? > > > class Optimizer(QWidget): > > > NameError: name 'QWidget' is not defined > > > > > > What is the difference between "import qt" and "from qt import *" ? I > > > thought that these are the same. > > > > The first creates a new namespace called "qt" and imports the module's > > objects into it. To reference those objects you have to include the > > namespace name. > > > > The second imports the module's objects into the current namespace. > > > > Phil- Hide quoted text - > > > > - Show quoted text - > > OK, I have to apologize because I didn't mention that I use python > version 2.2.1, could it be the problem here? Bugs or something? I have > to use this version since it was delivered with a software that we use > here.
So what versions of Qt, PyQt and SIP are you using? Were these included with the software you are using? If so, what is that software? Phil -- http://mail.python.org/mailman/listinfo/python-list
