[PyKDE] Problem starting PyQt4 programs from eric3

[Detlev Offenbach]

Am Mittwoch, 11. Januar 2006 19:41 schrieb Andreas Pakulat:
> On 11.01.06 19:04:19, Detlev Offenbach wrote:
> > Am Mittwoch, 11. Januar 2006 12:41 schrieb Andreas Pakulat:
> > > On 11.01.06 08:15:18, Phil Thompson wrote:
> > > > On Wednesday 11 January 2006 12:24 am, Andreas Pakulat wrote:
> > > > > Hi,
> > > > >
> > > > > just discovered that I can't seem to start PyQt4 programs that
> > > > > import QtCore from eric3.
> > > > >
> > > > > I get a runtime exception telling me that QtCore and "qt" wrap the
> > > > > QObject class.
> > > > >
> > > > > I'm pretty sure that this is not really an eric3-problem, running
> > > > > such a program from eric3 is just the easiest way to get this.
> > > > >
> > > > > I guess the problem is rather that PyQt or sip do not support to
> > > > > have 2 QObject classes from 2 different libs.
> > > > >
> > > > > Phil is there a way to avoid this "clash"? I don't want to have 2
> > > > > pythons to use PyQt4 from within eric3.
> > > >
> > > > I think it's an eric3 bug. It will happen when qt and QtCore are
> > > > imported into the same interpreter.
> > >
> > > It seems that: "It's not a bug, it's a feature". Looks like the
> > > "default" debug client eric3 uses to execute python programs imports
> > > the "qt" module automatically. There is a setting to change that and
> > > after having done so I can now run and debug my PyQt4 program from
> > > inside eric3.
> >
> > That is correct. Eric3 comes with three debugger (interpreter) types. One
> > that requires Qt (3), one without this requirement and a multithreaded
> > variant of the non Qt variant. The Qt variant is the default one,
>
> How about adding "(Qt3)" to the label of the default one and change "no
> Qt" to "no Qt3"? That would IMHO be more clear as to what the default
> client uses, especially as eric3 snapshots supports Qt4 and Qt3.

Eric3 is a PyQt3 program and therefore Qt always means Qt3. I am not going to 
change all reference of Qt to Qt3 because I am already working on Eric4.

>
> > on a per project basis (Project -> Debugger -> Debugger Properties).
>
> I just wanted to write that I did not find this. However, with try&error
> I found that the directory containing the default DebugClient has
> modules for the other ones to.
>
> Could you include the same four Radiobuttons you have in the global
> configuration in the project configuration? The same reason as above:
> Clarification. Probably with a fith one that uses the global setting.

I've added this to the wishlist. Let's see.

>
> > Eric4 will just contain the non Qt interpreter variants unless I
> > receive reports, that this will cause problems.
>
> Just out of curiosity: What is the benefit of having a debugger that
> already imported qt? Running small test scripts without the need to
> import qt?

Just historical. That's why it will go away.

>
> Andreas

Detlev
-- 
Detlev Offenbach
detlev at die-offenbachs.de