diff --git a/test-data/source/python/screening/image-generator.py b/test-data/source/python/screening/image-generator.py
new file mode 100644
index 0000000000000000000000000000000000000000..0e76ca0407931e6d56e40409428c6a76133619b6
--- /dev/null
+++ b/test-data/source/python/screening/image-generator.py
@@ -0,0 +1,62 @@
+#!/usr/bin/python
+
+# image-generator.py
+#
+# Create bitmap images in python
+#
+
+from Quartz import *
+from Cocoa import *
+from LaunchServices import * # for kUTTypePNG
+import math
+
+cs = CGColorSpaceCreateDeviceRGB()
+
+def write_to_file(ctx, filename):
+  image = CGBitmapContextCreateImage(ctx)
+  fileUrl = NSURL.fileURLWithPath_(filename)
+  dest = CGImageDestinationCreateWithURL(fileUrl, kUTTypePNG, 1, None);
+  CGImageDestinationAddImage(dest, image, None);
+  CGImageDestinationFinalize(dest);
+  
+
+def createBitmap(text, filename):
+  pixelsWide = 256
+  pixelsHigh = 256
+  bitmapBytesPerRow   = (pixelsWide * 4);
+  bitmapByteCount     = (bitmapBytesPerRow * pixelsHigh);  
+
+  # Create an RGB bitmap context, transparent black background, 256x256
+  ctx = CGBitmapContextCreate(None, pixelsWide, pixelsHigh, 8, bitmapBytesPerRow, cs, kCGImageAlphaPremultipliedLast)
+
+  # Draw a yellow square with a red outline in the center
+
+  with CGSavedGState(ctx):
+    CGContextSetRGBStrokeColor(ctx, 0, 0, 0, 1) # black
+    CGContextSetRGBFillColor(ctx, 0, 0, 0, 1) # black
+    CGContextAddRect(ctx, CGRectMake(32.5, 32.5, 191, 191))
+    CGContextDrawPath(ctx, kCGPathFillStroke)
+    
+  with CGSavedGState(ctx):
+    CGContextSetRGBStrokeColor(ctx, 0, 0, 0, 1) # black
+    CGContextSetRGBFillColor(ctx, 1, 1, 1, 1) # white
+    CGContextSetTextMatrix(ctx, CGAffineTransformIdentity)
+    CGContextSelectFont(ctx, "Helvetica Neue", 36, kCGEncodingMacRoman)
+    CGContextSetTextDrawingMode(ctx, kCGTextFillStroke)
+    CGContextShowTextAtPoint(ctx, 40, 118, text, len(text))
+
+  # Draw some text at an angle (or not)
+  # c.saveGState()
+  # c.setRGBStrokeColor(0,0,0,1)
+  # c.setRGBFillColor(1,1,1,1)
+  # c.selectFont("Helvetica", 36, kCGEncodingMacRoman)
+  # c.setTextPosition(40, 118)
+  # c.setTextDrawingMode(kCGTextFillStroke)
+  # c.showText(text, len(text))
+  # c.restoreGState()
+
+  # Write the bitmap to disk in PNG format
+
+  write_to_file(ctx, filename)
+
+createBitmap("hi!", "out.png")
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