52 lines
806 B
Python
52 lines
806 B
Python
import abc
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from utils.value import AttributeChange
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from contextlib import contextmanager
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class AHeater(AttributeChange):
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def __init__(self):
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AttributeChange.__init__(self)
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self.is_active = False
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@abc.abstractmethod
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def get_power_min(self):
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pass
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@abc.abstractmethod
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def get_power_max(self):
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pass
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@abc.abstractmethod
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def get_powers(self):
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pass
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@contextmanager
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def open(self):
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try:
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self.activate(True)
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yield None
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finally:
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self.activate(False)
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return None
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@abc.abstractmethod
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def activate(self, enable):
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self.is_active = enable
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@abc.abstractmethod
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def is_activated(self):
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return self.is_active
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@abc.abstractmethod
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def process(self):
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pass
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@abc.abstractmethod
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def set_power(self, power):
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pass
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@abc.abstractmethod
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def get_power(self):
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return None
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