Replaced my dumb way of calculating seconds to midnight with Tim Peters' much…

Replaced my dumb way of calculating seconds to midnight with Tim Peters' much more sensible suggestion. What was I thinking ?!?

Lib/logging/handlers.py

@@ -44,6 +44,8 @@ DEFAULT_HTTP_LOGGING_PORT   = 9022
 DEFAULT_SOAP_LOGGING_PORT   = 9023
 SYSLOG_UDP_PORT             = 514
 
+_MIDNIGHT = 24 * 60 * 60  # number of seconds in a day
+
 class BaseRotatingHandler(logging.FileHandler):
     """
     Base class for handlers that rotate log files at a certain point.
@@ -217,12 +219,8 @@ class TimedRotatingFileHandler(BaseRotatingHandler):
             currentMinute = t[4]
             currentSecond = t[5]
             # r is the number of seconds left between now and midnight
-            if (currentMinute == 0) and (currentSecond == 0):
-                r = (24 - currentHour) * 60 * 60 # number of hours in seconds
-            else:
-                r = (23 - currentHour) * 60 * 60
-                r = r + (59 - currentMinute) * 60 # plus the number of minutes (in secs)
-                r = r + (60 - currentSecond) # plus the number of seconds
+            r = _MIDNIGHT - ((currentHour * 60 + currentMinute) * 60 +
+                    currentSecond)
             self.rolloverAt = currentTime + r
             # If we are rolling over on a certain day, add in the number of days until
             # the next rollover, but offset by 1 since we just calculated the time