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from Converter import Converter
from Poll import Poll
from time import time
from Components.Element import cached
class EventTime(Poll, Converter, object):
STARTTIME = 0
ENDTIME = 1
REMAINING = 2
PROGRESS = 3
DURATION = 4
def __init__(self, type):
Converter.__init__(self, type)
Poll.__init__(self)
if type == "EndTime":
self.type = self.ENDTIME
elif type == "Remaining":
self.type = self.REMAINING
self.poll_interval = 60*1000
self.poll_enabled = True
elif type == "StartTime":
self.type = self.STARTTIME
elif type == "Duration":
self.type = self.DURATION
elif type == "Progress":
self.type = self.PROGRESS
self.poll_interval = 30*1000
self.poll_enabled = True
else:
raise str("'%s' is not <StartTime|EndTime|Remaining|Duration> for EventTime converter" % type)
@cached
def getTime(self):
assert self.type != self.PROGRESS
event = self.source.event
if event is None:
return None
if self.type == self.STARTTIME:
return event.getBeginTime()
elif self.type == self.ENDTIME:
return event.getBeginTime() + event.getDuration()
elif self.type == self.DURATION:
return event.getDuration()
elif self.type == self.REMAINING:
now = int(time())
start_time = event.getBeginTime()
duration = event.getDuration()
end_time = start_time + duration
if start_time <= now <= end_time:
return (duration, end_time - now)
else:
return (duration, None)
@cached
def getValue(self):
assert self.type == self.PROGRESS
event = self.source.event
if event is None:
return None
now = int(time())
start_time = event.getBeginTime()
duration = event.getDuration()
if start_time <= now <= (start_time + duration) and duration > 0:
return (now - start_time) * 1000 / duration
else:
return None
time = property(getTime)
value = property(getValue)
range = 1000
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