def read_lullabies(file):
'''
file: json file from which to read the sceneries.
See README.md for expected format.
returns: a dictionary of (name -> Lullaby)
'''
lullabies = {}
sceneries = read_sceneries(file)
with open(file) as fd:
data = json.load(fd)
for name, lullaby_json in data['lullabies'].items():
# FIXME: typecheck!
if ' ' in name:
raise util.AlarmException("Lullaby name may not contain spaces ('%s')" % name) # must be identifiable by CommandDispatcher
if not name or name == '' or name in lullabies:
raise util.AlarmException("Lullabies must have a unique name. Invalid or duplicate name: '%s'" % name)
scenery_key = lullaby_json['scenery'] if 'scenery' in lullaby_json else 'UNDEFINED'
if not scenery_key in sceneries:
raise util.AlarmException("Invalid scenery key: '%s' for lullaby '%s'" % (scenery_key, name))
scenery = sceneries[scenery_key]
duration = lullaby_json['duration'] if 'duration' in lullaby_json else -1
lullaby = SceneryLullaby(name = name, scenery = scenery, duration = duration)
lullabies[name] = lullaby
return lullabies
def read_sceneries(file):
'''
file: json file from which to read the sceneries.
See README.md for expected format.
returns: a dictionary of (name -> Scenery)
'''
sceneries = {}
with open(file) as fd:
data = json.load(fd)
for name, scenery_json in data['sceneries'].items():
rd,gd,bd = scenery_json['rgb_deltas']
rmin,gmin,bmin = scenery_json['rgb_min'] if 'rgb_min' in scenery_json else (0,0,0)
rmax,gmax,bmax = scenery_json['rgb_max'] if 'rgb_max' in scenery_json else (255,255,255)
rinit,ginit,binit = scenery_json['rgb_init'] if 'rgb_init' in scenery_json else (0,0,0)
sleep = scenery_json['sleep']
channels = []
files = scenery_json['files']
for group in files:
sound_files = []
if not isinstance(group, list):
group = [group]
for f in group:
if os.path.isdir(f):
files = list(os.walk(f))[0]
sound_files.extend(map(lambda s: "".join((files[0], s)), files[2])) # 0: root, 1: subdirs, 2: files
else:
sound_files.append(f)
channels.append(sound_files)
if name in sceneries:
raise util.AlarmException("Duplicate name for scenery: '%s'. Name must be unique" % (name,))
sceneries[name] = Scenery(name, channels, rd,gd,bd, rmin,gmin,bmin, rmax,gmax,bmax, sleep, init = (rinit,ginit,binit))
return sceneries
def read_alarms(file, scheduler = None):
'''
file: json file from which to read the alarms.
See README.md for expected format.
scheduler: scheduler into which to load the alarms. If no scheduler
is passed a new one will be created
returns: the scheduler into which the alarms have been read
'''
sceneries = read_sceneries(file)
if not scheduler:
scheduler = Scheduler()
with open(file) as fd:
data = json.load(fd)
for alarm_json in data['alarms']:
# FIXME: typecheck!
active = alarm_json['active'] if 'active' in alarm_json else True
if active:
duration = alarm_json['duration'] if 'duration' in alarm_json else -1
name = alarm_json['name'] if 'name' in alarm_json else ''
hour = alarm_json['hour'] # mandatory!
minute = alarm_json['minute'] if 'minute' in alarm_json else 0
second = alarm_json['second'] if 'second' in alarm_json else 0
days = alarm_json['days'] if 'days' in alarm_json else []
scenery_key = alarm_json['scenery'] if 'scenery' in alarm_json else 'UNDEFINED'
if not scenery_key in sceneries:
raise util.AlarmException("Invalid scenery key: '%s' for alarm '%s'" % (scenery_key, name))
scenery = sceneries[scenery_key]
alarm = SceneryAlarm(name = name, hour = hour, minute = minute, second = second, days = days, scenery = scenery, duration = duration)
scheduler.add_alarm(alarm)
return scheduler
def days(self, values):
if not functools.reduce(lambda v, n: v and
(n in Alarm.DAYS), values, True):
raise util.AlarmException("Invalid weekday value in: %s" %
(str(values), ))
self._days = values
def second(self, value):
if not (0 <= value < 59):
raise util.AlarmException("Invalid second: %d" % (value, ))
self._second = value
def minute(self, value):
if not (0 <= value < 59):
raise util.AlarmException("Invalid minute: %d" % (value, ))
self._minute = value
def hour(self, value):
if not (0 <= value < 23):
raise util.AlarmException("Invalid hour: %d" % (value, ))
self._hour = value