def __init__(self, writer = None, color = None):
Thread.__init__(self)
self.daemon = True
self._stop = False
self._error = None
self.color = None
self.writer = SpiDevWriter(spidev_file) if writer is None else writer
if "color" in self.getParams():
self.color = self.getParams()["color"] if color is None else color
class Program(Thread):
checkInterval = 0.2
promotedPrograms = {}
running = None
raiseException = False
def __init__(self, writer = None, color = None):
Thread.__init__(self)
self.daemon = True
self._stop = False
self._error = None
self.color = None
self.writer = SpiDevWriter(spidev_file) if writer is None else writer
if "color" in self.getParams():
self.color = self.getParams()["color"] if color is None else color
def run(self):
try:
self.do()
except Exception as e:
self._error = e
if Program.raiseException:
raise
self.exit()
def stop(self):
self._stop = True
def error(self):
return self._error
def start(self):
#sys.stderr.write(self.get_program_name() + " started\n")
Program.running = self
Thread.start(self)
def write(self, *args, **kwargs):
if "color" not in kwargs and self.color is not None:
kwargs["color"] = self.color
self.writer.write(get_message(*args, **kwargs))
def wait(self, interval):
while True:
if self._stop:
self.exit()
if interval <= Program.checkInterval:
break
else:
sleep(Program.checkInterval)
interval -= Program.checkInterval
sleep(interval)
def exit(self):
self.writer.close()
#sys.stderr.write(self.get_program_name() + " exit\n")
sys.exit()
@staticmethod
def getParams():
params = {}
params['color'] = "white"
return params
@classmethod
def get_program_name(cls):
return cls.__name__
@staticmethod
def getPromotedPrograms():
return Program.promotedPrograms
