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# This controls data collection. It gets data using the cameramic.py
# file based on the requests and settings of the "tab" files. It does
# things like starting and stoping data collection.
from sugar.activity import activity
import cameramic
import timetab
import tlactivity
import gobject
import time
import datetime
timetab = timetab.tab
class Timer:
def __init__(self, seconds, call):
self.canceled = False
def timer_call():
if not self.canceled:
call()
return False
milliseconds = int(seconds * 1000) # change this to use time conversion
gobject.timeout_add(milliseconds, timer_call)
def cancel(self):
self.canceled = True
class Collection:
def __init__(self, tab):
self.tab = tab
self.start_time = timetab.start
self.end_time = timetab.end
if self.start_time is not None:
self.start_time
wait_time = self.start_time - datetime.datetime.now()
wait_time = wait_time.seconds
print 'wait time', wait_time
self.starter = Timer(wait_time, self.collect)
else:
self.collect()
if self.end_time is not None:
wait_time = self.end_time - datetime.datetime.now()
wait_time = wait_time.seconds
self.ender = Timer(wait_time, self.end)
def end_now(self):
self.starter.cancel()
self.end()
class Single(Collection):
def collect(self):
video, audio, image = '', '', ''
if self.tab.video:
video = 'Video '
if self.tab.audio:
audio = 'Audeo '
if self.tab.image:
image = 'Image '
self.tab.alert.props.title='Single Collection'
msg = 'Start Time: ' + str(self.start_time) + '; End Time: ' + \
str(self.end_time) + "; Duration: " + str(self.tab.duration) + \
'; Collecting: %s%s%s' %(video, audio, image)
self.tab.alert.props.msg = msg
self.tab.alert.show()
self.collection = cameramic.Collect(self.tab)
self.timer = Timer(self.tab.duration, self.end)
self.tab.set_tab_sensitives(False)
def end(self):
self.timer.cancel()
self.collection.end()
self.tab.set_tab_sensitives(True)
self.tab.alert.hide()
self.tab.collection = None
class Incramental(Collection):
def single_collect(self):
self.collection = cameramic.Collect(self.tab)
self.stimer = Timer(self.tab.duration, self.collection.end)
def collect(self):
video, audio, image = '', '', ''
if self.tab.video:
video = 'Video '
if self.tab.audio:
audio = 'Audeo '
if self.tab.image:
image = 'Image '
self.tab.alert.props.title='Incramental Collection'
msg = 'Start Time: ' + str(self.start_time) + '; End Time: ' + \
str(self.end_time) + "; Duration: " + str(self.tab.duration) + \
'; Frequency:' + str(self.tab.frequency) + '; Collecting: %s%s%s' % \
(video, audio, image)
self.tab.alert.props.msg = msg
self.tab.alert.show()
self.started_time = time.time()
self.count = 1
self.incrament()
def incrament(self):
self.single_collect()
start_time = self.started_time + self.tab.frequency * self.count
wait_time = start_time - time.time()
print "wait time:", wait_time
self.itimer = Timer(wait_time, self.incrament)
self.count += 1
def end(self):
self.itimer.cancel()
self.collection.end()
self.tab.alert.hide()
self.tab.collection = None
class Lapse(Collection):
def collect(self):
self.tab.alert.props.title='Time Lapse Collection'
msg = 'Start Time: ' + str(self.start_time) + '; End Time: ' + \
str(self.end_time) +' Collecting one frame every %s seconds.' % (
self.tab.lapse_speed)
self.tab.alert.props.msg = msg
self.tab.alert.show()
print 'collecting collectdata'
self.collection = cameramic.CollectLapse(self.tab)
#self.timer = Timer(30, self.end)
def end(self):
print "lapse collection ending"
self.collection.end()
self.tab.alert.hide()
self.tab.collection = None
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