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. -- http://mail.python.org/mailman/listinfo/python-list
