1 from Converter import Converter
5 class EventTime(Poll, Converter, object):
12 def __init__(self, type):
13 Converter.__init__(self, type)
16 self.type = self.ENDTIME
17 elif type == "Remaining":
18 self.type = self.REMAINING
19 self.poll_interval = 60*1000
20 self.poll_enabled = True
21 elif type == "StartTime":
22 self.type = self.STARTTIME
23 elif type == "Duration":
24 self.type = self.DURATION
25 elif type == "Progress":
26 self.type = self.PROGRESS
27 self.poll_interval = 30*1000
28 self.poll_enabled = True
30 raise str("'%s' is not <StartTime|EndTime|Remaining|Duration> for EventTime converter" % type)
33 if self.cache is None or self.cache[0] is None:
34 self.cache = (self.__getTime(), self.cache and self.cache[1])
38 assert self.type != self.PROGRESS
40 event = self.source.event
44 if self.type == self.STARTTIME:
45 return event.getBeginTime()
46 elif self.type == self.ENDTIME:
47 return event.getBeginTime() + event.getDuration()
48 elif self.type == self.DURATION:
49 return event.getDuration()
50 elif self.type == self.REMAINING:
52 start_time = event.getBeginTime()
53 duration = event.getDuration()
54 end_time = start_time + duration
55 if start_time <= now <= end_time:
56 return (duration, end_time - now)
58 return (duration, None)
61 if self.cache is None or self.cache[1] is None:
62 self.cache = (self.cache and self.cache[0], self.__getValue())
66 assert self.type == self.PROGRESS
68 event = self.source.event
73 start_time = event.getBeginTime()
74 duration = event.getDuration()
75 if start_time <= now <= (start_time + duration) and duration > 0:
76 return (now - start_time) * 1000 / duration
80 time = property(getTime)
81 value = property(getValue)