class MacControl():
def __init__(self, config_file):
self.config_file = config_file
self.coretemp = None
self.applesmc = None
if not self.__find_sys_dirs():
if self.applesmc is None:
logger.error('Unable to find applesmc directory in /sys')
exit()
if self.coretemp is None:
logger.warn('Unable to find coretemp directory in /sys, falling back on applesmc temps')
self.fc = FanControl(self.applesmc)
self.kb = BackLightControl(self.applesmc)
self.sensors = {}
self.__load_coretemp()
self.__load_applesmc()
self.load_config(config_file)
self.light_log = []
def load_config(self, config_file=None):
errors = False
if config_file is None:
config_file = self.config_file
cfg = config.FanConfig(config_file)
if cfg is None:
logger.error('Unable to parse config file "%s" ' % config_file)
return False
sensors = cfg.get_required_sensors()
# Make sure all the required sensors exist before starting
for sensor in sensors:
if self.sensors.get(sensor, None) is None:
logger.error('Unable to find sensor data for sensor : "%s" ' % sensor)
errors = True
fans = cfg.get_required_fans()
for fan in fans:
if not self.fc.has_fan(fan):
logger.error('Unable to find fan data for fan : "%d" ' % fan)
errors = True
if errors:
self.cfg = None
return False
self.cfg = cfg
def run_sensors(self):
sensors = self.cfg.get_required_sensors()
for sensor in sensors:
s = self.sensors.get(sensor)
if s.get('current_log', None) is None:
s['current_log'] = []
s['current_log'].append(int(self.__read_temp(s)) / 1000)
while len(s['current_log']) > self.cfg.sliding_window:
s['current_log'].pop(0)
s['current'] = sum(s['current_log']) / len(s['current_log'])
fans = self.cfg.get_fan_speed(self.sensors)
for fan in fans:
self.fc.set_speed(fan, fans[fan])
def run_light(self):
light = self.kb.get_light()
self.light_log.append(light)
while len(self.light_log) > self.cfg.sliding_window:
self.light_log.pop(0)
light_avg = sum(self.light_log) / len(self.light_log)
brightness = self.cfg.get_keyboard_brightness(light_avg)
self.kb.set_brightness(brightness)
def run(self):
while 1:
if self.cfg is None:
break
# Check lighting and adjust keyboard backlight
self.run_light()
# Check the CPU temp and adjust fan speed
self.run_sensors()
time.sleep(self.cfg.sleep_time)
def __find_sys_dirs(self):
base_dir = '/sys/devices'
for root, dirnames, filenames in os.walk(base_dir):
for dirname in fnmatch.filter(dirnames, 'applesmc*'):
self.applesmc = os.path.join(root, dirname)
logger.debug('found applesmc in "%s"' % self.applesmc)
for dirname in fnmatch.filter(dirnames, 'coretemp.*'):
self.coretemp = os.path.join(root, dirname)
logger.debug('found coretemp in "%s"' % self.coretemp)
if not self.coretemp is None and not self.applesmc is None:
return True
return False
def __load_coretemp(self):
if self.coretemp is None:
return
names = []
for temp in glob.glob(os.path.join(self.coretemp, 'temp*_label')):
temp_id = os.path.basename(temp)[4:]
temp_id = int(temp_id[:temp_id.find('_')])
temp_info = {'id': temp_id}
temp_info['label'] = self.__read_file(temp)
temp_info['path'] = os.path.join(self.coretemp, 'temp%d_input' % temp_id)
self.sensors[temp_info['label']] = temp_info
names.append(temp_info['label'])
logger.info('Found %d coretemp sensors %s' % (len(names), ', '.join(names)))
def __load_applesmc(self):
names = []
for label in glob.glob(os.path.join(self.applesmc, 'temp*_label')):
sensor = {}
sensor_id = os.path.basename(label)[4:]
sensor_id = int(sensor_id[:sensor_id.find('_')])
sensor['id'] = sensor_id
sensor['path'] = os.path.join(self.applesmc, 'temp%d_input' % sensor_id)
sensor['label'] = self.__read_file(label)
self.sensors[sensor['label']] = sensor
names.append(sensor['label'])
logger.info('Found %d applesmc sensors %s' % (len(names), ', '.join(names)))
self.light = os.path.join(self.applesmc, 'light')
if not os.path.isfile(self.light):
self.light = None
def __read_temp(self, sensor):
return self.__read_file(sensor['path'])
def __read_file(self, filename):
try:
with open(filename, 'r') as f:
return f.read().strip()
except IOError, e:
logger.error('Unable to read property from %s because %s' % (filename, e))
return 0