From: Justin Nesselrotte <jnesselr@harding.edu>
Date: Tue, 25 Aug 2015 19:37:45 +0000 (-0600)
Subject: Fixes T45: Sleep function fixed so window can close
X-Git-Tag: lulzbot-15.02.1-2.04~13
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=b61027daf0f6c95071e7c853432a40fd99a419fd;p=cura.git

Fixes T45: Sleep function fixed so window can close
---

diff --git a/Cura/gui/printWindow.py b/Cura/gui/printWindow.py
index a9c79dd3..434d2c0c 100644
--- a/Cura/gui/printWindow.py
+++ b/Cura/gui/printWindow.py
@@ -37,15 +37,17 @@ elif sys.platform.startswith('darwin'):
 	frameworkPath=objc.pathForFramework("/System/Library/Frameworks/IOKit.framework"),
 	globals=globals())
 	objc.loadBundleFunctions(bundle, globals(), [("IOPMAssertionCreateWithName", b"i@I@o^I")])
+	objc.loadBundleFunctions(bundle, globals(), [("IOPMAssertionRelease", b"iI")])
 	def preventComputerFromSleeping(frame, prevent):
 		if prevent:
 			success, preventComputerFromSleeping.assertionID = IOPMAssertionCreateWithName(kIOPMAssertionTypeNoDisplaySleep, kIOPMAssertionLevelOn, "Cura is printing", None)
 			if success != kIOReturnSuccess:
 				preventComputerFromSleeping.assertionID = None
 		else:
-			if preventComputerFromSleeping.assertionID is not None:
-				IOPMAssertionRelease(preventComputerFromSleeping.assertionID)
-				preventComputerFromSleeping.assertionID = None
+			if hasattr(preventComputerFromSleeping, "assertionID"):
+				if preventComputerFromSleeping.assertionID is not None:
+					IOPMAssertionRelease(preventComputerFromSleeping.assertionID)
+					preventComputerFromSleeping.assertionID = None
 else:
 	def preventComputerFromSleeping(frame, prevent):
 		if os.path.isfile("/usr/bin/xdg-screensaver"):