[PyQt] Pickle Support
phil at riverbankcomputing.co.uk
Mon Apr 30 08:49:18 BST 2007
On Monday 30 April 2007 8:02 am, Mark Summerfield wrote:
> On Sun 29-Apr-07, Phil Thompson wrote:
> > The current SIP snapshot now supports the provision of handwritten code
> > for pickling wrapped classes. It also automatically pickles enums. It
> > does not have the usual pickle restriction of not being able to pickle
> > nested types.
> > The current PyQt4 snapshot has pickle support for the following
> > classes...
> > QByteArray, QChar, QColor, QDate, QDateTime, QKeySequence, QLatin1Char,
> > QLatin1String, QLine, QLineF, QMatrix, QPoint, QPointF, QPolygon, QRect,
> > QRectF, QSize, QSizeF, QString, QTime
> This is good news (and now covered in the book:-)
> I'd consider a few more though:
Possibly these can all be done - but just require more work. The ones that I
have done have an existing Qt ctor that does the unpickling (although I
invented a new one for QDateTime). Many of the above are actually unions of
different data structures and it may nor always be possible to extract the
data in the correct form.
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