asyncua.common.statemachine.ProgramStateMachineTypeClass.RunningToSuspended() - Code Metrics - Inspection of "Statemachines" - FreeOpcUa/opcua-asyncio - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#348)

unknown

created 2020-11-26 13:15 UTC

ProgramStateMachineTypeClass.RunningToSuspended() A

↳ Parent: asyncua.common.statemachine

Complexity

Conditions

Size

Total Lines	6
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	6
nop	1
dl	0
loc	6
rs	10
c	0
b	0
f	0

import asyncio, logging

from asyncua import Server, ua, Node
from asyncua.common.instantiate_util import instantiate

class StateMachineTypeClass(object):
    '''
    Implementation of an StateMachineType
    '''
    def __init__(self, server=None, parent=None, idx=None, name=None):
        #if idx = none log parend idx is used
        self._server = server
        self._parent = parent
        self._state_machine_node = None
        self._state_machine_type = ua.NodeId(2299, 0)
        self._name = name
        self._idx = idx

        self._current_state = "None" #Variable
        self._current_state_id = None #Property        
        self._last_transition = "None" #Variable
        self._last_transition_id = None #Property

        self._optionals = False

    async def install(self, optionals=False):
        '''
        setup adressspace and initialize 
        '''
        self._optionals = optionals
        self._state_machine_node = await self._parent.add_object(self._idx, self._name, objecttype=self._state_machine_type, instantiate_optional=optionals)
    
    async def change_state(self, state_name, state, transition_name, transition=None):
        #check types: names = string and others are nodetype
        self._current_state = state #Variable
        self._current_state_id = None #Property  
        if self._optionals:
            self._last_transition = transition #Variable
            self._last_transition_id = None #Property
        #write

class FiniteStateMachineTypeClass(StateMachineTypeClass):
    '''
    Implementation of an FiniteStateMachineType
    '''
    def __init__(self, server=None, parent=None, idx=None, name=None):
        super().__init__(server, parent, idx, name)
        self._state_machine_type = ua.NodeId(2771, 0)
        self._avalible_states = []
        self._avalible_transitions = []

    async def install(self, instantiate_optional=False):
        '''
        setup adressspace and initialize 
        '''
        self._optionals = instantiate_optional
        self._state_machine_node = await self._parent.add_object(self._idx, self._name, objecttype=self._state_machine_type, instantiate_optional=instantiate_optional)

    async def set_avalible_states(self, states):
        self._avalible_states = states

    async def set_avalible_transitions(self, transitions):
        self._avalible_transitions = transitions      

class ExclusiveLimitStateMachineTypeClass(FiniteStateMachineTypeClass):
    def __init__(self, server=None, parent=None, idx=None, name=None):
        super().__init__(server, parent)
        self._state_machine_type = ua.ObjectIds.ExclusiveLimitStateMachineType
        raise NotImplementedError

class FileTransferStateMachineTypeClass(FiniteStateMachineTypeClass):
    def __init__(self, server=None, parent=None, idx=None, name=None):
        super().__init__(server, parent)
        self._state_machine_type = ua.ObjectIds.FileTransferStateMachineType
        raise NotImplementedError

class ProgramStateMachineTypeClass(FiniteStateMachineTypeClass):
    def __init__(self, server=None, parent=None, idx=None, name=None):
        super().__init__(server, parent)
        self._state_machine_type = ua.ObjectIds.ProgramStateMachineType
        self._ready_state = None #State node
        self._halted_state = None #State node
        self._running_state = None #State node
        self._suspended_state = None #State node

        self._halted_to_ready = None #Transition node
        self._ready_to_running = None #Transition node
        self._running_to_halted = None #Transition node
        self._running_to_ready = None #Transition node
        self._running_to_suspended = None #Transition node
        self._suspended_to_running = None #Transition node
        self._suspended_to_halted = None #Transition node
        self._suspended_to_ready = None #Transition node
        self._ready_to_halted = None #Transition node

    async def install(self):
        #setup addressspace
        # instantiate(parent=self._parent, node_type=self._state_machine_type, nodeid=, bname="StateMachine", dname=, idx= , instantiate_optionals=False)
        #maybe better to use create_object()
        self._state_machine_node = None
        #get childnodes:
        self._ready_state = None #State node
        self._halted_state = None #State node
        self._running_state = None #State node
        self._suspended_state = None #State node
        self._halted_to_ready = None #Transition node
        self._ready_to_running = None #Transition node
        self._running_to_halted = None #Transition node
        self._running_to_ready = None #Transition node
        self._running_to_suspended = None #Transition node
        self._suspended_to_running = None #Transition node
        self._suspended_to_halted = None #Transition node
        self._suspended_to_ready = None #Transition node
        self._ready_to_halted = None #Transition node

    #Transition
    async def HaltedToReady(self):
        await self._current_state.write_value(ua.LocalizedText("Ready", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._current_state_id.write_value(self._ready_state.nodeid, varianttype=ua.VariantType.NodeId)
        await self._last_transition.write_value(ua.LocalizedText("HaltedToReady", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._last_transition_id.write_value(self._halted_to_ready.nodeid, varianttype=ua.VariantType.NodeId)
        return ua.StatusCode(ua.status_codes.StatusCodes.Good)

    #Transition
    async def ReadyToRunning(self):
        await self._current_state.write_value(ua.LocalizedText("Running", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._current_state_id.write_value(self._running_state.nodeid, varianttype=ua.VariantType.NodeId)
        await self._last_transition.write_value(ua.LocalizedText("ReadyToRunning", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._last_transition_id.write_value(self._ready_to_running.nodeid, varianttype=ua.VariantType.NodeId)
        return ua.StatusCode(ua.status_codes.StatusCodes.Good)

    #Transition
    async def RunningToHalted(self):
        await self._current_state.write_value(ua.LocalizedText("Halted", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._current_state_id.write_value(self._halted_state.nodeid, varianttype=ua.VariantType.NodeId)
        await self._last_transition.write_value(ua.LocalizedText("RunningToHalted", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._last_transition_id.write_value(self._running_to_halted.nodeid, varianttype=ua.VariantType.NodeId)
        return ua.StatusCode(ua.status_codes.StatusCodes.Good)

    #Transition
    async def RunningToReady(self):
        await self._current_state.write_value(ua.LocalizedText("Ready", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._current_state_id.write_value(self._ready_state.nodeid, varianttype=ua.VariantType.NodeId)
        await self._last_transition.write_value(ua.LocalizedText("RunningToReady", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._last_transition_id.write_value(self._running_to_ready.nodeid, varianttype=ua.VariantType.NodeId)
        return ua.StatusCode(ua.status_codes.StatusCodes.Good)

    #Transition
    async def RunningToSuspended(self):
        await self._current_state.write_value(ua.LocalizedText("Suspended", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._current_state_id.write_value(self._suspended_state.nodeid, varianttype=ua.VariantType.NodeId)
        await self._last_transition.write_value(ua.LocalizedText("RunningToSuspended", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._last_transition_id.write_value(self._running_to_suspended.nodeid, varianttype=ua.VariantType.NodeId)
        return ua.StatusCode(ua.status_codes.StatusCodes.Good)

    #Transition 
    async def SuspendedToRunning(self):
        await self._current_state.write_value(ua.LocalizedText("Running", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._current_state_id.write_value(self._running_state.nodeid, varianttype=ua.VariantType.NodeId)
        await self._last_transition.write_value(ua.LocalizedText("SuspendedToRunning", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._last_transition_id.write_value(self._suspended_to_running.nodeid, varianttype=ua.VariantType.NodeId)
        return ua.StatusCode(ua.status_codes.StatusCodes.Good)

    #Transition
    async def SuspendedToHalted(self):
        await self._current_state.write_value(ua.LocalizedText("Halted", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._current_state_id.write_value(self._halted_state.nodeid, varianttype=ua.VariantType.NodeId)
        await self._last_transition.write_value(ua.LocalizedText("SuspendedToHalted", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._last_transition_id.write_value(self._suspended_to_halted.nodeid, varianttype=ua.VariantType.NodeId)
        return ua.StatusCode(ua.status_codes.StatusCodes.Good)

    #Transition
    async def SuspendedToReady(self):
        await self._current_state.write_value(ua.LocalizedText("Ready", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._current_state_id.write_value(self._ready_state.nodeid, varianttype=ua.VariantType.NodeId)
        await self._last_transition.write_value(ua.LocalizedText("SuspendedToReady", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._last_transition_id.write_value(self._suspended_to_ready.nodeid, varianttype=ua.VariantType.NodeId)
        return ua.StatusCode(ua.status_codes.StatusCodes.Good)

    #Transition 
    async def ReadyToHalted(self):
        await self._current_state.write_value(ua.LocalizedText("Halted", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._current_state_id.write_value(self._halted_state.nodeid, varianttype=ua.VariantType.NodeId)
        await self._last_transition.write_value(ua.LocalizedText("ReadyToHalted", "en-US"), varianttype=ua.VariantType.LocalizedText)
        await self._last_transition_id.write_value(self._ready_to_halted.nodeid, varianttype=ua.VariantType.NodeId)
        return ua.StatusCode(ua.status_codes.StatusCodes.Good)

class ShelvedStateMachineTypeClass(FiniteStateMachineTypeClass):
    def __init__(self, server=None, parent=None, idx=None, name=None):
        super().__init__(server, parent)
        self._state_machine_type = ua.ObjectIds.ShelvedStateMachineType
        raise NotImplementedError





#Devtests

async def main():
    logging.basicConfig(level=logging.INFO)
    _logger = logging.getLogger('asyncua')

    server = Server()

    await server.init()
    sm = StateMachineTypeClass(server, server.get_objects_node(), 0, "Test1")
    await sm.install()
    fsm = FiniteStateMachineTypeClass(server, server.nodes.objects, 0, "Test2")
    await fsm.install()

    async with server:
        while 1:
            await asyncio.sleep(0)

if __name__ == "__main__":
    asyncio.run(main())


1			import asyncio, logging
2
3			from asyncua import Server, ua, Node
4			from asyncua.common.instantiate_util import instantiate
5
6			class StateMachineTypeClass(object):
7			'''
8			Implementation of an StateMachineType
9			'''
10			def __init__(self, server=None, parent=None, idx=None, name=None):
11			#if idx = none log parend idx is used
12			self._server = server
13			self._parent = parent
14			self._state_machine_node = None
15			self._state_machine_type = ua.NodeId(2299, 0)
16			self._name = name
17			self._idx = idx
18
19			self._current_state = "None" #Variable
20			self._current_state_id = None #Property
21			self._last_transition = "None" #Variable
22			self._last_transition_id = None #Property
23
24			self._optionals = False
25
26			async def install(self, optionals=False):
27			'''
28			setup adressspace and initialize
29			'''
30			self._optionals = optionals
31			self._state_machine_node = await self._parent.add_object(self._idx, self._name, objecttype=self._state_machine_type, instantiate_optional=optionals)
32
33			async def change_state(self, state_name, state, transition_name, transition=None):
34			#check types: names = string and others are nodetype
35			self._current_state = state #Variable
36			self._current_state_id = None #Property
37			if self._optionals:
38			self._last_transition = transition #Variable
39			self._last_transition_id = None #Property
40			#write
41
42			class FiniteStateMachineTypeClass(StateMachineTypeClass):
43			'''
44			Implementation of an FiniteStateMachineType
45			'''
46			def __init__(self, server=None, parent=None, idx=None, name=None):
47			super().__init__(server, parent, idx, name)
48			self._state_machine_type = ua.NodeId(2771, 0)
49			self._avalible_states = []
50			self._avalible_transitions = []
51
52			async def install(self, instantiate_optional=False):
53			'''
54			setup adressspace and initialize
55			'''
56			self._optionals = instantiate_optional
57			self._state_machine_node = await self._parent.add_object(self._idx, self._name, objecttype=self._state_machine_type, instantiate_optional=instantiate_optional)
58
59			async def set_avalible_states(self, states):
60			self._avalible_states = states
61
62			async def set_avalible_transitions(self, transitions):
63			self._avalible_transitions = transitions
64
65			class ExclusiveLimitStateMachineTypeClass(FiniteStateMachineTypeClass):
66			def __init__(self, server=None, parent=None, idx=None, name=None):
67			super().__init__(server, parent)
68			self._state_machine_type = ua.ObjectIds.ExclusiveLimitStateMachineType
69			raise NotImplementedError
70
71			class FileTransferStateMachineTypeClass(FiniteStateMachineTypeClass):
72			def __init__(self, server=None, parent=None, idx=None, name=None):
73			super().__init__(server, parent)
74			self._state_machine_type = ua.ObjectIds.FileTransferStateMachineType
75			raise NotImplementedError
76
77			class ProgramStateMachineTypeClass(FiniteStateMachineTypeClass):
78			def __init__(self, server=None, parent=None, idx=None, name=None):
79			super().__init__(server, parent)
80			self._state_machine_type = ua.ObjectIds.ProgramStateMachineType
81			self._ready_state = None #State node
82			self._halted_state = None #State node
83			self._running_state = None #State node
84			self._suspended_state = None #State node
85
86			self._halted_to_ready = None #Transition node
87			self._ready_to_running = None #Transition node
88			self._running_to_halted = None #Transition node
89			self._running_to_ready = None #Transition node
90			self._running_to_suspended = None #Transition node
91			self._suspended_to_running = None #Transition node
92			self._suspended_to_halted = None #Transition node
93			self._suspended_to_ready = None #Transition node
94			self._ready_to_halted = None #Transition node
95
96			async def install(self):
97			#setup addressspace
98			# instantiate(parent=self._parent, node_type=self._state_machine_type, nodeid=, bname="StateMachine", dname=, idx= , instantiate_optionals=False)
99			#maybe better to use create_object()
100			self._state_machine_node = None
101			#get childnodes:
102			self._ready_state = None #State node
103			self._halted_state = None #State node
104			self._running_state = None #State node
105			self._suspended_state = None #State node
106			self._halted_to_ready = None #Transition node
107			self._ready_to_running = None #Transition node
108			self._running_to_halted = None #Transition node
109			self._running_to_ready = None #Transition node
110			self._running_to_suspended = None #Transition node
111			self._suspended_to_running = None #Transition node
112			self._suspended_to_halted = None #Transition node
113			self._suspended_to_ready = None #Transition node
114			self._ready_to_halted = None #Transition node
115
116			#Transition
117			async def HaltedToReady(self):
118			await self._current_state.write_value(ua.LocalizedText("Ready", "en-US"), varianttype=ua.VariantType.LocalizedText)
119			await self._current_state_id.write_value(self._ready_state.nodeid, varianttype=ua.VariantType.NodeId)
120			await self._last_transition.write_value(ua.LocalizedText("HaltedToReady", "en-US"), varianttype=ua.VariantType.LocalizedText)
121			await self._last_transition_id.write_value(self._halted_to_ready.nodeid, varianttype=ua.VariantType.NodeId)
122			return ua.StatusCode(ua.status_codes.StatusCodes.Good)
123
124			#Transition
125			async def ReadyToRunning(self):
126			await self._current_state.write_value(ua.LocalizedText("Running", "en-US"), varianttype=ua.VariantType.LocalizedText)
127			await self._current_state_id.write_value(self._running_state.nodeid, varianttype=ua.VariantType.NodeId)
128			await self._last_transition.write_value(ua.LocalizedText("ReadyToRunning", "en-US"), varianttype=ua.VariantType.LocalizedText)
129			await self._last_transition_id.write_value(self._ready_to_running.nodeid, varianttype=ua.VariantType.NodeId)
130			return ua.StatusCode(ua.status_codes.StatusCodes.Good)
131
132			#Transition
133			async def RunningToHalted(self):
134			await self._current_state.write_value(ua.LocalizedText("Halted", "en-US"), varianttype=ua.VariantType.LocalizedText)
135			await self._current_state_id.write_value(self._halted_state.nodeid, varianttype=ua.VariantType.NodeId)
136			await self._last_transition.write_value(ua.LocalizedText("RunningToHalted", "en-US"), varianttype=ua.VariantType.LocalizedText)
137			await self._last_transition_id.write_value(self._running_to_halted.nodeid, varianttype=ua.VariantType.NodeId)
138			return ua.StatusCode(ua.status_codes.StatusCodes.Good)
139
140			#Transition
141			async def RunningToReady(self):
142			await self._current_state.write_value(ua.LocalizedText("Ready", "en-US"), varianttype=ua.VariantType.LocalizedText)
143			await self._current_state_id.write_value(self._ready_state.nodeid, varianttype=ua.VariantType.NodeId)
144			await self._last_transition.write_value(ua.LocalizedText("RunningToReady", "en-US"), varianttype=ua.VariantType.LocalizedText)
145			await self._last_transition_id.write_value(self._running_to_ready.nodeid, varianttype=ua.VariantType.NodeId)
146			return ua.StatusCode(ua.status_codes.StatusCodes.Good)
147
148			#Transition
149			async def RunningToSuspended(self):
150			await self._current_state.write_value(ua.LocalizedText("Suspended", "en-US"), varianttype=ua.VariantType.LocalizedText)
151			await self._current_state_id.write_value(self._suspended_state.nodeid, varianttype=ua.VariantType.NodeId)
152			await self._last_transition.write_value(ua.LocalizedText("RunningToSuspended", "en-US"), varianttype=ua.VariantType.LocalizedText)
153			await self._last_transition_id.write_value(self._running_to_suspended.nodeid, varianttype=ua.VariantType.NodeId)
154			return ua.StatusCode(ua.status_codes.StatusCodes.Good)
155
156			#Transition
157			async def SuspendedToRunning(self):
158			await self._current_state.write_value(ua.LocalizedText("Running", "en-US"), varianttype=ua.VariantType.LocalizedText)
159			await self._current_state_id.write_value(self._running_state.nodeid, varianttype=ua.VariantType.NodeId)
160			await self._last_transition.write_value(ua.LocalizedText("SuspendedToRunning", "en-US"), varianttype=ua.VariantType.LocalizedText)
161			await self._last_transition_id.write_value(self._suspended_to_running.nodeid, varianttype=ua.VariantType.NodeId)
162			return ua.StatusCode(ua.status_codes.StatusCodes.Good)
163
164			#Transition
165			async def SuspendedToHalted(self):
166			await self._current_state.write_value(ua.LocalizedText("Halted", "en-US"), varianttype=ua.VariantType.LocalizedText)
167			await self._current_state_id.write_value(self._halted_state.nodeid, varianttype=ua.VariantType.NodeId)
168			await self._last_transition.write_value(ua.LocalizedText("SuspendedToHalted", "en-US"), varianttype=ua.VariantType.LocalizedText)
169			await self._last_transition_id.write_value(self._suspended_to_halted.nodeid, varianttype=ua.VariantType.NodeId)
170			return ua.StatusCode(ua.status_codes.StatusCodes.Good)
171
172			#Transition
173			async def SuspendedToReady(self):
174			await self._current_state.write_value(ua.LocalizedText("Ready", "en-US"), varianttype=ua.VariantType.LocalizedText)
175			await self._current_state_id.write_value(self._ready_state.nodeid, varianttype=ua.VariantType.NodeId)
176			await self._last_transition.write_value(ua.LocalizedText("SuspendedToReady", "en-US"), varianttype=ua.VariantType.LocalizedText)
177			await self._last_transition_id.write_value(self._suspended_to_ready.nodeid, varianttype=ua.VariantType.NodeId)
178			return ua.StatusCode(ua.status_codes.StatusCodes.Good)
179
180			#Transition
181			async def ReadyToHalted(self):
182			await self._current_state.write_value(ua.LocalizedText("Halted", "en-US"), varianttype=ua.VariantType.LocalizedText)
183			await self._current_state_id.write_value(self._halted_state.nodeid, varianttype=ua.VariantType.NodeId)
184			await self._last_transition.write_value(ua.LocalizedText("ReadyToHalted", "en-US"), varianttype=ua.VariantType.LocalizedText)
185			await self._last_transition_id.write_value(self._ready_to_halted.nodeid, varianttype=ua.VariantType.NodeId)
186			return ua.StatusCode(ua.status_codes.StatusCodes.Good)
187
188			class ShelvedStateMachineTypeClass(FiniteStateMachineTypeClass):
189			def __init__(self, server=None, parent=None, idx=None, name=None):
190			super().__init__(server, parent)
191			self._state_machine_type = ua.ObjectIds.ShelvedStateMachineType
192			raise NotImplementedError
193
194
195
196
197
198			#Devtests
199
200			async def main():
201			logging.basicConfig(level=logging.INFO)
202			_logger = logging.getLogger('asyncua')
203
204			server = Server()
205
206			await server.init()
207			sm = StateMachineTypeClass(server, server.get_objects_node(), 0, "Test1")
208			await sm.install()
209			fsm = FiniteStateMachineTypeClass(server, server.nodes.objects, 0, "Test2")
210			await fsm.install()
211
212			async with server:
213			while 1:
214			await asyncio.sleep(0)
215
216			if __name__ == "__main__":
217			asyncio.run(main())
218

FreeOpcUa / opcua-asyncio

Pull Request — master (#348)

ProgramStateMachineTypeClass.RunningToSuspended() A

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