def __init__(self, name=None, parent=None):
self._pos = 0 # Closed
super(HemiCover, self).__init__(name=name, parent=parent)
self.changed = Signal()
self.opened = Signal()
self.closed = Signal()
class HemiCover(ConnectableDevice):
STATES = [0,1]
NAMES = {'OPEN': 1,
'CLOSED': 0}
def __init__(self, name=None, parent=None):
self._pos = 0 # Closed
super(HemiCover, self).__init__(name=name, parent=parent)
self.changed = Signal()
self.opened = Signal()
self.closed = Signal()
def set(self, pos):
if pos not in self.STATES:
raise ValueError('%d is not a valid state' % pos)
if pos != self._pos: # We have to move
self.flip()
def open(self):
if self._pos == 0:
self._pos = 1
self.changed.emit(self._pos)
self.opened.emit()
def close(self):
if self._pos == 1:
self._pos = 0
self.changed.emit(self._pos)
self.closed.emit()
def flip(self):
self._pos += 1
self._pos %= 2
self.changed.emit(self._pos)
if self._pos == 1:
self.opened.emit()
else:
self.closed.emit()
def pos(self):
return self._pos
def config_info(self):
return {'name': self.name, 'position': self._pos,
'label': self.NAMES[self._pos]}