Hi Phil,
The following piece of code throws up the error messages that Detlev has
mentioned. Is there something wrong that I am doing here ?
The same piece of code works fine in PyQt 4.5.* and 4.6.1
from PyQt4 import QtCore
settings_ = QtCore.QSettings("Foo", "Bar")
qString = QtCore.QString("teamtalk.im")
settings_.setValue("URL", QtCore.QVariant(qString))
This throws up: /QVariant::save: unable to save type 256. /in PyQt 4.6.2
//
Regards,
Prafulla
//
Phil Thompson wrote:
On Sun, 22 Nov 2009 13:58:00 +0100, detlev <[email protected]>
wrote:
Hi,
after upgrading to PyQt4 4.6.2 (from 4.6.1) I get error messages like
QVariant::save: unable to save type 256.
QVariant::load: unable to load type 256.
What does this mean? With 4.6.1 everything was ok.
I don't think it has anything to do with v4.6.2.
Although any object can be converted to and from a QVariant it is not true
that any QVariant can be saved to and loaded from files.
My guess is that you have written a value (at some time in the past) that
can't be saved and not noticed the Qt error message. Note that QSettings
still writes a value in this case.
There is a bug (fixed in tonight's snapshot) where an exception isn't
raised when QSettings tries to read an unreadable value, but this bug has
been there since PyQt v4.5.
For v4.7 I will add support for saving and loading objects that can be
pickled - but that still won't cover all objects.
Phil
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