dlCleanup.py

import os
import time

path = "U:\\Downloads"
now  = int(time.time())

dirList = os.listdir(path)
for fileName in dirList:
	
	filePath = path + "\\" + fileName

	if not os.path.isdir(filePath):
    
		modTime = int(os.path.getmtime(filePath))

		if now - modTime >= 1209600:
			print "Deleting %s" % filePath
			os.remove(filePath)

print "Cleanup complete!"