[PyQt] Use QPainter as QMutexLocker in a with-statement?
phil at riverbankcomputing.com
Thu Jan 5 16:23:38 GMT 2012
On Thu, 05 Jan 2012 15:28:13 +0100, Gerard Vermeulen <gav451 at gmail.com>
> I would like to use QPainter as QMutexLocker in a with-statement, but:
> >>> pixmap = Qt.QPixmap(200, 200)
> >>> with Qt.QPainter(pixmap) as painter:
> ... painter.drawLine(0, 0, 200, 200)
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> AttributeError: __exit__
You would have to sub-class QPainter (in Python) and implement the
necessary context manager hooks.
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