52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
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class Led(object):
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STATUS_LED_COLOR_GREEN = 'green'
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STATUS_LED_COLOR_GREEN_BLINK = 'green_blink'
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STATUS_LED_COLOR_RED = 'red'
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STATUS_LED_COLOR_RED_BLINK = 'red_blink'
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STATUS_LED_COLOR_ORANGE = 'orange'
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STATUS_LED_COLOR_ORANGE_BLINK = 'orange_blink'
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STATUS_LED_COLOR_OFF = 'off'
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class SharedLed(object):
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LED_PRIORITY = {
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Led.STATUS_LED_COLOR_RED: 0,
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Led.STATUS_LED_COLOR_GREEN: 1
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}
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def __init__(self):
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self._virtual_leds = []
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self._target_color = Led.STATUS_LED_COLOR_GREEN
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def add_virtual_leds(self, led):
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self._virtual_leds.append(led)
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def update_status_led(self):
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target_color = Led.STATUS_LED_COLOR_GREEN
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for virtual_led in self._virtual_leds:
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if SharedLed.LED_PRIORITY[virtual_led.get_led_color()] < SharedLed.LED_PRIORITY[target_color]:
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target_color = virtual_led.get_led_color()
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self._target_color = target_color
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return True
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def get_status(self):
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return self._target_color
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class ComponentFaultyIndicator(object):
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def __init__(self, shared_led):
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self._color = Led.STATUS_LED_COLOR_GREEN
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self._shared_led = shared_led
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self._shared_led.add_virtual_leds(self)
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def set_status(self, color):
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self._color = color
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return self._shared_led.update_status_led()
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def get_led_color(self):
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return self._color
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def get_status(self):
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return self._shared_led.get_status()
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