class BooleanConstant(Block):
settings_format = Block.settings_format + [{
'type': 'bool',
'title': 'Constant',
'desc': 'The constant value',
'key': 'value'
}, {
'type': 'num',
'title': 'Test',
'desc': 'Just to test the settings',
'key': 'test_value'
}]
def __init__(self, *args, **kwargs):
super(BooleanConstant, self).__init__(*args, **kwargs)
self.set({'name': 'Boolean Constant'})
self.output = OutputNode(self, 'output', 'out', 'bool')
if not self.settings.has_key('value'):
self.set({'value': False, 'test_value': 36})
self.output.add_value(self.settings['value'])
self.add_nodes(self.output)
def set(self, settings):
super(BooleanConstant, self).set(settings)
print settings
if self.settings.has_key('value'):
self.output.add_value(self.settings['value'])
class Not(Block):
def __init__(self, *args, **kwargs):
super(Not, self).__init__(*args, **kwargs)
self.set({'name': 'Not'})
self.input = SimpleInputNode(self, 'input', 'in', 'bool')
self.output = OutputNode(self, 'output', 'out', 'bool')
self.add_nodes(self.input, self.output)
def process(self, changed_input):
self.output.add_value(not self.input.get_value())
class And(Block):
def __init__(self, *args, **kwargs):
super(And, self).__init__(*args, **kwargs)
self.set({'name': 'And'})
self.input1 = SimpleInputNode(self, 'input1', 'in1', 'bool')
self.input2 = SimpleInputNode(self, 'input2', 'in2', 'bool')
self.output = OutputNode(self, 'output', 'out', 'bool')
self.add_nodes(self.input1, self.input2, self.output)
def process(self, changed_input):
self.output.add_value(self.input1.get_value()
and self.input2.get_value())
class Multiply(Block):
def __init__(self, *args, **kwargs):
super(Multiply, self).__init__(*args, **kwargs)
self.set({'name': 'Multiply'})
self.operands = MultiInputNode(self, 'operands', 'in', 'numeric')
self.result = OutputNode(self, 'result', 'out', 'numeric')
self.add_nodes(self.operands, self.result)
def process(self, changed_input):
result = 1
for value in self.operands.get_value():
result *= value
self.result.add_value(result)
class TriggerOnAlarm(Block):
def __init__(self, *args, **kwargs):
super(TriggerOnAlarm, self).__init__(*args, **kwargs)
self.set({'name': 'Trigger on alarm'})
self.alarm = SimpleInputNode(self, 'alarm', 'alarm', 'bool')
self.trigger = SimpleInputNode(self, 'trigger', 'trigger', 'bool')
self.output = OutputNode(self, 'output', 'out', 'bool')
self.add_nodes(self.alarm, self.trigger, self.output)
def process(self, changed_input):
if changed_input == self.alarm:
if not self.alarm.get_value():
self.output.add_value(False)
elif changed_input == self.trigger:
if self.trigger.get_value() and self.alarm.get_value():
self.output.add_value(True)
class Information(Block):
""" Class used to wrap an information made available by a device.
"""
settings_format = [{
'type': 'string',
'title': 'Name',
'desc': 'Name of the information',
'key': 'name'
}, {
'type': 'string_long',
'title': 'Description',
'desc': 'Description of the information',
'key': 'description'
}, {
'type': 'string',
'title': 'Type',
'desc': 'Type of the information',
'key': 'type',
'disabled': True
}]
def __init__(self,
key,
primary,
value_type,
settings,
device=None,
block=None):
Block.__init__(self, settings)
self.key = key
self.type = value_type
self.primary = primary
self.device = device
self.block = block
self.set(settings)
if self.primary:
self.id = self.device.id + "_" + self.key
else:
self.id = self.block.id + "_" + self.key
# Definition de l'interface Block de l'info : c'est un bloc avec un seul output
self.output = OutputNode(self, 'output', 'Value', self.type)
# self.output = OutputNode(key = 'output',
# value_type = self.type,
# name = 'Value',
# block = self)
self.nodes = [self.output]
def update(self, new_value):
""" Updates the Information with a new value.
"""
print 'updating info ' + self.id
result = False
if self.check_value(new_value):
self.output.add_value(new_value)
result = True
return result
def check_value(self, new_value):
""" *(Internal)* Checks if the new value given to update is ok.
"""
# TODO: verifier que la nouvelle valeur donnee est du bon type
return True
def get_value(self):
""" Returns the last value of the information.
"""
return self.output.get_value()
def get_values(self):
""" Returns the values of the information between the *start_time* and the *ed_time* parameters.
"""
return self.output.get_values()