comment cleanup and allow second as time unit in TimeSupport

dream/plugins/TimeSupport.py

@@ -12,7 +12,9 @@ class TimeSupportMixin(object):
 
   def initializeTimeSupport(self, data):
     self.timeUnit = data['general']['timeUnit']
-    if self.timeUnit == 'minute':
+    if self.timeUnit == 'second':
+      self.timeUnitPerDay = 24 * 60 * 60
+    elif self.timeUnit == 'minute':
       self.timeUnitPerDay = 24 * 60
     elif self.timeUnit == 'hour':
       self.timeUnitPerDay = 24
@@ -42,12 +44,8 @@ class TimeSupportMixin(object):
     """Convert real world time (as python datetime object) to simulation clock time.
     """
     assert self.initialized, "initializeTimeSupport has not been called"
-    # XXX (real_world_time - self.now).total_seconds() gives seconds
-    # we want to convert this to our units (minutes in batches, but generally).
-    # if our time unit was seconds, the timeUnitPerDay would be 24 * 60 *60 = 86400
-    # so we need to divide with 86400/self.timeUnitPerDay I think. If we have minutes it works
-    # if we had hours it would be self.timeUnitPerDay = 24, 86400/24=3600, which is what we need to divide a num of secs 
-    # to produce hours
+    # get the seconds difference and divide by (24*60*60/self.timeUnitPerDay)
+    # 24*60*60 is timeUnitPerDay if the unit is seconds
     return (real_world_time - self.now).total_seconds()/(86400/self.timeUnitPerDay)
 
   def getTimeUnitText(self):