mgmarino · April 28, 2011 14:25 · Apr 28, 2011
diff --git a/gistfile1.py b/gistfile1.py
@@ -0,0 +1,41 @@
+import datetime as dat
+import csv
+
+class CoGeNTCutLiveTime():
+    _livetime_dict = None
+    @classmethod
+    def get_livetime_dict(cls):
+        if cls._livetime_dict != None: return cls._livetime_dict
+        readit = csv.reader(open('livetime.txt'), delimiter='\t')
+        temp = [row for row in readit][1:]
+        cls._livetime_dict = dict([(int(row[0]), int(row[5])) for row in temp])
+        return cls._livetime_dict
+
+    @classmethod
+    def get_cut_time_and_livetime(cls, start_day, end_day):
+        """
+        Gives the VI start and end time and associated livetime for this period of
+        time. Input is in days since day 1 of running,  
+        """
+
+        """ This is how miller does days:
+        
+        event_time = tree.time/1.e3 - ((datetime.date(1970, 1, 1) - datetime.date(1904, 1, 1)).days*3600*24)
+        #and now orient this w.r.t December 3, 2009"
+        cogentdt = datetime.datetime(2009,12,3,0,0,0)
+        eventdt = datetime.datetime.fromtimestamp(event_time)
+        diffdt = eventdt - cogentdt
+        cogentday = diffdt.days #range:[0,...]
+        
+        """
+
+
+        cogentdt = dat.datetime(2009,12,4,0,0,0)
+        secs = (cogentdt - dat.datetime(1904, 1, 1,0,0,0)).days*3600*24
+        begin_time = start_day*3600*24 + secs
+        end_time = end_day*3600*24 + secs
+
+        live_dict = cls.get_livetime_dict()
+        return (begin_time*1000, end_time*1000, reduce(lambda a,b: a + b, [live_dict[day] for day in range(start_day, end_day)]))
+
+print CoGeNTCutLiveTime.get_cut_time_and_livetime(1, 4)