def calculateTopProductionQueuePriority():
"calculates the top production queue priority"
productionQueuePriorities = {}
for priorityType in EnumsAI.getAIPriorityProductionTypes():
productionQueuePriorities[priorityType] = foAI.foAIstate.getPriority(priorityType)
sortedPriorities = productionQueuePriorities.items()
sortedPriorities.sort(lambda x,y: cmp(x[1], y[1]), reverse=True)
topProductionQueuePriority = -1
for evaluationPair in sortedPriorities:
if topProductionQueuePriority < 0:
topProductionQueuePriority = evaluationPair[0]
return topProductionQueuePriority
