def start(self, result=None, arduino=None):
global in_session
logger.debug('start new session')
if in_session:
defer.returnValue(None)
in_session = True
if arduino:
arduino.sendCommand(0x82, 0)
arduino.sendCommand(0x82, 1)
arduino.sendCommand(0x82, 2)
arduino.sendCommand(0x82, 3)
countdown_delay = Config.getint('camera', 'countdown-delay')
needed_captures = template.needed_captures(self.template)
captures = 0
errors = 0
# PLUGINS
p = self.plugins
fc0 = p['FileCopy'].new(originals_path)
fc1 = p['FileCopy'].new(composites_path)
#fc3 = p['FileCopy'].new(thumbs_path)
#fc4 = p['FileCopy'].new(details_path)
#fc5 = p['FileCopy'].new(template_path)
spool = p['FileCopy'].new(shared_path)
#th0 = p['ImageThumb'].new(size='256x256', destination='thumbnail.png')
#th1 = p['ImageThumb'].new(size='1024x1024', destination='thumbnail.png')
cm = p['Composer'].new(self.template)
#fd0 = p['FileDelete'].new()
#fd1 = p['FileDelete'].new()
filenames = list()
while captures < needed_captures and errors < 3:
try:
filename = yield task.deferLater(reactor, countdown_delay,
self.capture)
except:
traceback.print_exc(file=sys.stdout)
errors += 1
logger.debug('failed capture %s/3', errors)
task.deferLater(reactor, 0, error.play)
task.deferLater(reactor, .15, error.play)
task.deferLater(reactor, .30, error.play)
continue
captures += 1
errors = 0
logger.debug('successful capture (%s/%s)',
captures, needed_captures)
if captures < needed_captures:
finished.play()
else:
bell1.play()
# C A L L B A C K S
fn = filename
original = yield fc0.process(fn)
filenames.append(original)
#thumb = yield th0.process(original)
#thumb = yield fc3.process(thumb)
#detail = yield th1.process(original)
#detail = yield fc4.process(detail)
if arduino:
arduino.sendCommand(0x81, 0)
arduino.sendCommand(0x81, 1)
arduino.sendCommand(0x81, 2)
arduino.sendCommand(0x81, 3)
# composite
d = cm.process(filenames.pop(0))
d.addCallback(fc1.process)
if Config.getboolean('kiosk', 'print'):
d.addCallback(spool.process)
for fn in filenames:
cm.process(fn)
in_session = False
logger.debug('finished the session')
all_images_path = Config.get('paths', 'images')
shared_path = Config.get('paths', 'shared')
plugins_path = Config.get('paths', 'plugins')
# event paths
event_name = Config.get('event', 'name')
template_path = jpath(all_templates_path, Config.get('event', 'template'))
event_images_path = jpath(all_images_path, event_name)
thumbs_path = jpath(event_images_path, 'thumbnails')
details_path = jpath(event_images_path, 'detail')
originals_path = jpath(event_images_path, 'originals')
composites_path = jpath(event_images_path, 'composites')
paths = ('thumbnails', 'detail', 'originals', 'composites')
# make sure directory structure is usuable
if Config.getboolean('paths', 'make-images-path'):
for d in (thumbs_path, details_path, originals_path, composites_path):
try:
isdir = os.path.isdir(d)
except:
raise
if not isdir:
os.makedirs(d, 0755)
# mixer must be initialized before sounds will play
pygame.mixer.init(frequency=Config.getint('sound', 'mixer-frequency'),
buffer=Config.getint('sound', 'mixer-buffer'))
# load all the stuff
resources.load()
