[PyQt] Unsure how to call glReadPixels

Kempinger, Jayson jkempinger at decisionvis.com
Fri Jun 2 23:05:43 BST 2017

I'm trying to use glReadPixels in my python3 application (python 3.6.1, Qt
5.8.0, and PyQt 5.8.0).

Here's a segment of my code:

self.vp = QOpenGLVersionProfile()self.vp.setVersion(2,1)
self.glFunc = QOpenGLContext.currentContext().versionFunctions(self.vp)

Regardless of what I pass to the function, I get an error:

AttributeError: 'QOpenGLFunctions_2_1' object has no attribute

Running *print(dir(self.glFunc)* returns a huge list of functions but does
not include glReadPixels or any variation that I can find (there's
GL_READ_PIXELS but it's an int).

Am I looking in the wrong place for this function?  I posted to a Qt forum
but have not received an answer, so I'm hoping someone can help me here!

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