Reimplemented existing story line

hugvey/central_command.py

@@ -18,6 +18,9 @@ from hugvey.voice.google import GoogleVoiceClient
 from hugvey.voice.player import Player
 from hugvey.voice.streamer import AudioStreamer
 import uuid
+from hugvey.story import Story
+import time
+from _ast import Await
 
 
 logger = logging.getLogger("command")
@@ -39,11 +42,20 @@ class CentralCommand(object):
             logger.debug('Load config from {}'.format(filename))
             self.config = yaml.safe_load(fp)
         
-        
-        
         self.hugvey_ids = [i+1 for i in range(self.config['hugveys'])]
         
+        # load languages:
+        self.languages = {}
+        
+        for lang in self.config['languages']:
+            with open(lang['file'], 'r') as fp:
+                self.languages[lang['code']] = yaml.load(fp)
+            
+    
     def commandHugvey(self, hv_id, msg):
+        """
+        prepare command to be picked up by the sender
+        """
         self.commandQueue.put_nowait((hv_id, msg))
         
     def commandAllHugveys(self, msg):
@@ -119,6 +131,7 @@ class CentralCommand(object):
                     logger.debug("Message contains: {}".format(msg))
                 continue
             else:
+                await self.hugveys[hugvey_id].eventQueue.put(msg)
                 pass
                     
     def start(self):
@@ -140,12 +153,15 @@ class HugveyState(object):
     Manages server connections & voice parsing etc.
     """
     def __init__(self, id: int, command: CentralCommand):
-        super(HugveyState, self).__init__()
         self.id = id
         self.command = command
         self.logger = logging.getLogger(f"hugvey{self.id}")
         self.loop = asyncio.new_event_loop()
         self.isConfigured = False
+        self.eventQueue = None
+        self.language_code = 'en-GB'
+        self.story = Story(self)
+        self.story.setStoryData(self.command.languages[self.language_code])
     
     def config(self, hostname, ip):
         self.ip = ip
@@ -158,14 +174,72 @@ class HugveyState(object):
         
         self.isConfigured = True
     
+    def sendCommand(self, msg):
+        """
+        Send message or command to hugvey
+        @param msg: The message to be sent. Probably a dict()
+        """
+        self.command.commandHugvey(self.id, msg)
+    
     def start(self):
+        """
+        Start the tasks
+        """
         # stop on isRunning.is_set() or wait()
-#         self.loop.create_task(self.startAudioProcessing())
+#         self.loop.create_task(self.processAudio())
-        tasks = asyncio.gather(self.startAudioProcessing(), loop=self.loop)
+        tasks = asyncio.gather(
+            self.catchException(self.processAudio()),
+            self.catchException(self.handleEvents()),
+            self.catchException(self.playStory()),
+            loop=self.loop)
         self.loop.run_until_complete(tasks)
 #         asyncio.run_coroutine_threadsafe(self._start(), self.loop)
 
-    async def startAudioProcessing(self):
+    async def catchException(self, awaitable):
+        try:
+            await awaitable
+        except Exception as e:
+            logger.exception(e)
+            logger.critical(f"Hugvey restart required but not implemented yet")
+            
+            # TODO: restart
+
+    def queueEvent(self, msg):
+        if 'time' not in msg:
+            # add time, so we can track time passed
+            msg['time'] = time.time()
+        if not self.eventQueue:
+            self.logger.critical("No event queue to put {}".format(msg))
+        else:
+            # Allow for both the Hugvey Command, or the Story handle the event.
+            self.eventQueue.put_nowait(msg)
+            self.story.events.append(msg)
+
+    async def handleEvents(self):
+        self.eventQueue = asyncio.Queue() # start event queue here, to avoid loop issues
+        while self.command.isRunning.is_set():
+            event = await self.eventQueue.get()
+            self.logger.info("Received: {}".format(event))
+            
+            if event['event'] =='language':
+                self.setLanguage(event['code'])
+                
+        self.eventQueue = None
+        
+    def setLanguage(self, language_code):
+        if language_code not in self.command.languages:
+            raise Exception("Invalid language {}".format(language_code))
+        
+        self.language_code = language_code
+        self.google.setLanguage(language_code)
+        
+        self.story.reset()
+        self.story.setStoryData(self.command.languages[language_code])
+    
+    async def playStory(self):
+        await self.story.start()
+            
+    async def processAudio(self):
         '''
         Start the audio streamer service
         '''
@@ -177,16 +251,16 @@ class HugveyState(object):
         
         if self.command.debug:
             self.logger.warn("Debug on: Connecting Audio player")
-            player = Player(self.command.config['voice']['src_rate'], self.command.config['voice']['out_rate'])
+            self.player = Player(self.command.config['voice']['src_rate'], self.command.config['voice']['out_rate'])
-            streamer.addConsumer(player)
+            streamer.addConsumer(self.player)
         
         self.logger.info("Start Speech")
-        google = GoogleVoiceClient(
+        self.google = GoogleVoiceClient(
-            hugvey_id=self.id,
+            hugvey=self,
             src_rate=self.command.config['voice']['src_rate'],
             credential_file=self.command.config['voice']['google_credentials'],
-            language_code='en-US'
+            language_code=self.language_code
             )
-        streamer.addConsumer(google)
+        streamer.addConsumer(self.google)
         
         await streamer.run()

hugvey/story.py

@@ -0,0 +1,341 @@
+import json
+import time
+import threading
+import logging
+import asyncio
+
+
+logger = logging.getLogger("narrative")
+
+class Message(object):
+    def __init__(self, id, text):
+        self.id = id
+        self.text = text
+        self.isStart = False
+        self.reply = None
+
+    @classmethod
+    def initFromJson(message, data, story):
+        msg =  message(data['@id'], data['text'])
+        msg.isStart = data['start'] if 'start' in data else False
+        return msg;
+
+    def setReply(self, text):
+        self.reply = text
+
+    def hasReply(self):
+        return self.reply is not None
+
+    def getReply(self):
+        if self.reply is None:
+            raise Exception("Getting reply while there is none! {0}".format(self.id))
+
+        return self.reply
+
+
+class Condition(object):
+    """
+    A condition, basic conditions are built in, custom condition can be given by
+    providing a custom method.
+    """
+    def __init__(self, id):
+        self.id = id
+        self.method = None
+        self.vars = {}
+
+    @classmethod
+    def initFromJson(conditionClass, data, story):
+        condition =  conditionClass(data['@id'])
+        # TODO: should Condition be subclassed?
+        if data['type'] == "replyContains":
+            condition.method = condition._hasMetReplyContains
+        if data['type'] == "timeout":
+            condition.method = condition._hasMetTimeout
+
+        if 'vars' in data:
+            condition.vars = data['vars']
+
+        return condition;
+
+    def isMet(self, story):
+        """
+        Validate if condition is met for the current story state
+        """
+        return self.method(story)
+
+    def _hasMetTimeout(self, story):
+        now = time.time()
+        # check if the message already finished playing
+        if not story.lastMsgFinishTime:
+            return False
+
+        return now - story.lastMsgFinishTime >= self.vars['seconds']
+
+    def _hasMetReplyContains(self, story):
+        if not story.currentMessage.hasReply():
+            return False
+
+        if 'regex' in self.vars:
+            if 'regexCompiled' not in self.vars:
+                # Compile once, as we probably run it more than once
+                self.vars['regexCompiled'] = re.compile(self.vars['regex'])
+            result = re.match(self.vars['regexCompiled'])
+            if result is None:
+                return False
+            results = result.groupdict()
+            for captureGroup in results:
+                story.variables[captureGroup] = results[captureGroup]
+            logger.critical("Regex not implemented yet")
+            return False
+
+        if 'contains' in self.vars:
+            if self.vars['contains'] == '*':
+                return True
+            return self.vars['contains'] in story.currentMessage.getReply()
+
+
+class Direction(object):
+    """
+    A condition based edge in the story graph
+    """
+    def __init__(self, id, msgFrom: Message, msgTo: Message):
+        self.id = id
+        self.msgFrom = msgFrom
+        self.msgTo = msgTo
+        self.conditions = []
+
+    def addCondition(self, condition: Condition):
+        self.conditions.append(condition)
+
+    @classmethod
+    def initFromJson(direction, data, story):
+        msgFrom = story.get(data['source'])
+        msgTo = story.get(data['target'])
+        direction =  direction(data['@id'], msgFrom, msgTo)
+        if 'conditions' in data:
+            for conditionId in data['conditions']:
+                c = story.get(conditionId)
+                direction.addCondition(c)
+        return direction;
+
+
+class Interruption(object):
+    """
+    An Interruption. Used to catch events outside of story flow.
+    """
+    def __init__(self, id):
+        self.id = id
+        self.conditions = []
+
+    def addCondition(self, condition: Condition):
+        self.conditions.append(condition)
+
+    @classmethod
+    def initFromJson(interruptionClass, data, story):
+        interrupt =  interruptionClass(data['@id'])
+        if 'conditions' in data:
+            for conditionId in data['conditions']:
+                c = story.get(conditionId)
+                interrupt.addCondition(c)
+        return interrupt;
+
+storyClasses = {
+    'Msg': Message,
+    'Direction': Direction,
+    'Condition': Condition,
+    'Interruption': Interruption,
+}
+
+class Story(object):
+    """Story represents and manages a story/narrative flow"""
+    #TODO should we separate 'narrative' (the graph) from the story (the current user flow)
+    def __init__(self, hugvey_state):
+        super(Story, self).__init__()
+        self.hugvey = hugvey_state
+        
+        self.events = [] # queue of received events
+        self.commands = [] # queue of commands to send
+        self.log = [] # all nodes/elements that are triggered
+        self.currentMessage = None
+
+
+    def setStoryData(self, story_data):
+        """
+        Parse self.data into a working story engine
+        """
+        self.data = story_data
+        
+        # keep to be able to reset it in the end
+        currentId = self.currentMessage.id if self.currentMessage else None
+        
+        self.elements = {}
+        self.interruptions = []
+        self.directionsPerMsg = {}
+        self.startMessage = None # The entrypoint to the graph
+        self.reset()
+        
+        for el in self.data:
+            className = storyClasses[el['@type']]
+            obj = className.initFromJson(el, self)
+            self.add(obj)
+
+        logger.debug(self.elements)
+        logger.debug(self.directionsPerMsg)
+        
+        if currentId:
+            self.currentMessage = self.get(currentId)
+            if self.currentMessage:
+                logger.info(f"Reinstantiated current message: {self.currentMessage.id}")
+            else:
+                logger.warn("Could not reinstatiate current message. Starting over")
+
+    def reset(self):
+        self.startTime = time.time()
+        self.currentMessage = None # currently active message, determines active listeners etc.
+        self.lastMsgTime = None
+        self.lastSpeechStartTime = None
+        self.lastSpeechEndTime = None
+        self.variables = {} # captured variables from replies
+        
+    def add(self, obj):
+        if obj.id in self.elements:
+            # print(obj)
+            raise Exception("Duplicate id for ''".format(obj.id))
+
+        if type(obj) == Message and obj.isStart:
+            self.startMessage = obj
+
+        self.elements[obj.id] = obj
+
+        if type(obj) == Interruption:
+            self.interruptions.append(obj)
+
+        if type(obj) == Direction:
+            if obj.msgFrom.id not in self.directionsPerMsg:
+                self.directionsPerMsg[obj.msgFrom.id] = []
+            self.directionsPerMsg[obj.msgFrom.id].append(obj)
+
+    def get(self, id):
+        """
+        Get a story element by its id
+        """
+        if id in self.elements:
+            return self.elements[id]
+        return None
+
+
+    def stop(self):
+        logger.info("Stop Story")
+        if self.isRunning:
+            self.isRunning = False
+
+
+    def _processPendingEvents(self):
+        # Gather events:
+        nr = len(self.events)
+        for i in range(nr):
+            e = self.events.pop(0)
+            logger.info("handle '{}'".format( e ))
+            if e['event'] == "exit":
+                self.stop()
+            if e['event'] == 'connect':
+                # a client connected. Shold only happen in the beginning or in case of error
+                # that is, until we have a 'reset' or 'start' event.
+                self.setCurrentMessage(self.currentMessage) # reinitiate current message
+
+            if e['event'] == "playbackFinish":
+                if e['msgId'] == self.currentMessage.id:
+                    self.lastMsgFinishTime = time.time()
+
+                if self.currentMessage.id not in self.directionsPerMsg:
+                    logger.info("THE END!")
+                    self.stop()
+                    return
+
+            if e['event'] == 'speech':
+                # log if somebody starts speaking
+                if self.lastSpeechStartTime is None or self.lastSpeechStartTime < self.lastMsgTime:
+                    self.lastSpeechStartTime = e['time']
+
+                if e['is_final']:
+                    # final result
+                    self.lastSpeechEndTime = e['time']
+                    self.currentMessage.setReply(e['transcript'])
+
+    def _processDirections(self, directions):
+        for direction in directions:
+            for condition in direction.conditions:
+                if condition.isMet(self):
+                    logger.info("Condition is met: {0}, going to {1}".format(condition.id, direction.msgTo.id))
+                    self.log.append(condition)
+                    self.log.append(direction)
+                    self.setCurrentMessage(direction.msgTo)
+                    return direction
+
+    async def _renderer(self):
+        """
+        every 1/10 sec. determine what needs to be done based on the current story state
+        """
+        loopDuration = 0.1 # Configure fps
+        lastTime = time.time()
+        logger.info("Start renderer")
+        while self.isRunning:
+            if self.isRunning is False:
+                break
+
+            for i in range(len(self.events)):
+                self._processPendingEvents()
+
+                if self.currentMessage.id not in self.directionsPerMsg:
+                    # TODO: finish!
+
+                    pass
+
+            directions = self.getCurrentDirections()
+            self._processDirections(directions)
+
+            # TODO create timer event
+            # self.commands.append({'msg':'TEST!'})
+
+            # wait for next iteration to avoid too high CPU
+            t = time.time()
+            await asyncio.sleep(max(0, loopDuration - (t - lastTime)))
+            lastTime = t
+
+        logger.info("Stop renderer")
+
+    def setCurrentMessage(self, message):
+        self.currentMessage = message
+        self.lastMsgTime = time.time()
+        self.lastMsgFinishTime = None # to be filled in by the event
+
+        logger.info("Current message: ({0}) \"{1}\"".format(message.id, message.text))
+        # TODO: prep events & timer etc.
+        self.hugvey.sendCommand({
+            'action': 'play',
+            'msg': message.text,
+            'id': message.id,
+        })
+
+        logger.debug("Pending directions: ")
+
+        for direction in self.getCurrentDirections():
+            conditions = [c.id for c in direction.conditions]
+            logger.debug("- {0} -> {1} (when: {2}) ".format(direction.msgFrom.id, direction.msgTo.id, conditions))
+
+
+    def getCurrentDirections(self):
+        if self.currentMessage.id not in self.directionsPerMsg:
+            return []
+        else:
+            return self.directionsPerMsg[self.currentMessage.id]
+
+    async def start(self):
+        logger.info("Starting story")
+        self.startTime = time.time()
+        self.isRunning = True
+        self.setCurrentMessage(self.startMessage)
+        await self._renderer()
+    
+
+

hugvey/voice/google.py

@@ -20,10 +20,13 @@ import uuid
 
 logger = logging.getLogger("voice")
 
+class RequireRestart(Exception):
+    pass
 
 class GoogleVoiceClient(object):
-    def __init__(self, hugvey_id, src_rate, credential_file, language_code = "en_GB"):
+    def __init__(self, hugvey, src_rate, credential_file, language_code = "en_GB"):
         self.src_rate  = src_rate
+        self.hugvey = hugvey
         self.language_code = language_code
         os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = credential_file
         
@@ -32,8 +35,9 @@ class GoogleVoiceClient(object):
         self.isRunning = False
         self.target_rate = 16000
         self.cv_laststate = None
+        self.restart = False
         
-        self.task = threading.Thread(target=self.run, name=f"voice-hv{hugvey_id}" + str(uuid.uuid1()))
+        self.task = threading.Thread(target=self.run, name=f"hugvey#{self.hugvey.id}v")
         self.task.setDaemon(True)
         self.task.start()
         
@@ -41,9 +45,18 @@ class GoogleVoiceClient(object):
         while self.isRunning:
             yield self.buffer.get()
             
+    def setLanguage(self, language_code):
+        if self.language_code == language_code:
+            return
+        
+        logger.info("Change language from {} to {}".format(self.language_code, language_code))
+        self.language_code = language_code
+        self.restart = True
+    
     def run(self):
         self.isRunning = True
         
+        
         while self.isRunning:
             try:
                 self.speech_client = speech.SpeechClient()
@@ -97,9 +110,23 @@ class GoogleVoiceClient(object):
                     else:
                         logger.info(f"Text: {transcript}")
                     
+                    msg = {
+                        "event": "speech",
+                        "is_final": result.is_final,
+                        "transcript": transcript.strip(),
+                    }
+                    
+                    self.hugvey.queueEvent(msg)
+                    
+                    if self.restart:
+                        self.restart = False
+                        raise RequireRestart("Restart required")
+                    
                     if not self.isRunning:
                         logger.warn("Stopping voice loop")
                         break
+            except RequireRestart as e:
+                logger.warn("Restart Google Voice. Language: {}".format(self.language_code))
             except Exception as e:
                 logger.critical(f"Crashed Google Voice: {e}")
         

requirements.server.txt

@@ -0,0 +1,6 @@
+pyzmq
+pyaudio
+coloredlogs
+pyyaml
+audioop
+google-cloud-speech

server_config.yml

@@ -8,3 +8,11 @@ voice:
     chunk: 2972
     google_credentials: "/home/ruben/Documents/Projecten/2018/Hugvey/test_googlespeech/My First Project-0c7833e0d5fa.json"
 hugveys: 3
+languages:
+    - code: en-GB
+      file: story_en.json
+    - code: de-DE
+      file: story_de.json
+    - code: fr-FR
+      file: story_fr.json
+      

story_de.json

@@ -0,0 +1,128 @@
+[
+    {
+        "@type": "Msg",
+        "@id": "n1",
+        "text": "Welcome",
+        "start": true,
+        "file": "shallweplayagame.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n2",
+        "text": "How have you been?",
+        "file": "sothegamegoeslikethis.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n4",
+        "text": "That's a shame!",
+        "file": "sleep.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n5",
+        "text": "Great to hear!",
+        "file": "retreat.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n3",
+        "text": "Bye!",
+        "file": "istart.wav"
+    },
+    {
+        "@id": "c1",
+        "@type": "Condition",
+        "type": "replyContains",
+        "vars": {"contains": "Well"}
+    },
+    {
+        "@id": "c5",
+        "@type": "Condition",
+        "type": "replyContains",
+        "label": "Match any response",
+        "vars": {"contains": "*"}
+    },
+    {
+        "@id": "c4",
+        "@type": "Condition",
+        "type": "replyContains",
+        "vars": {"regex": "I want more (?<whatIwant>.*)"}
+    },
+    {
+        "@id": "c2",
+        "@type": "Condition",
+        "type": "timeout",
+        "label": "General response timeout",
+        "vars": {"seconds": 10.0}
+    },
+    {
+        "@id": "c3",
+        "@type": "Condition",
+        "type": "timeout",
+        "vars": {"seconds": 0.8}
+    },
+    {
+        "@id": "d5",
+        "@type": "Direction",
+        "source": "n1",
+        "target": "n2",
+        "conditions": [
+            "c2","c5"
+        ]
+    },
+    {
+        "@id": "d1",
+        "@type": "Direction",
+        "source": "n2",
+        "target": "n4",
+        "order": 1,
+        "conditions": [
+            "c5","c2"
+        ]
+    },
+    {
+        "@id": "d2",
+        "@type": "Direction",
+        "source": "n2",
+        "target": "n5",
+        "order": 2,
+        "conditions": [
+            "c2"
+        ]
+    },
+    {
+        "@id": "d3",
+        "@type": "Direction",
+        "source": "n5",
+        "target": "n3",
+        "conditions": [
+            "c2","c5"
+        ]
+    },
+    {
+        "@id": "d4",
+        "@type": "Direction",
+        "source": "n4",
+        "target": "n3",
+        "conditions": [
+            "c2","c5"
+        ]
+    },
+    {
+        "@id": "i1",
+        "@type": "Interruption",
+        "forEvent": "laugh",
+        "conditions": [
+            "c1"
+        ]
+    },
+    {
+        "@id": "i2",
+        "@type": "Interruption",
+        "forEvent": "laugh",
+        "conditions": [
+            "c1"
+        ]
+    }
+]

story_en.json

@@ -0,0 +1,128 @@
+[
+    {
+        "@type": "Msg",
+        "@id": "n1",
+        "text": "Welcome",
+        "start": true,
+        "file": "shallweplayagame.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n2",
+        "text": "How have you been?",
+        "file": "sothegamegoeslikethis.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n4",
+        "text": "That's a shame!",
+        "file": "sleep.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n5",
+        "text": "Great to hear!",
+        "file": "retreat.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n3",
+        "text": "Bye!",
+        "file": "istart.wav"
+    },
+    {
+        "@id": "c1",
+        "@type": "Condition",
+        "type": "replyContains",
+        "vars": {"contains": "Well"}
+    },
+    {
+        "@id": "c5",
+        "@type": "Condition",
+        "type": "replyContains",
+        "label": "Match any response",
+        "vars": {"contains": "*"}
+    },
+    {
+        "@id": "c4",
+        "@type": "Condition",
+        "type": "replyContains",
+        "vars": {"regex": "I want more (?<whatIwant>.*)"}
+    },
+    {
+        "@id": "c2",
+        "@type": "Condition",
+        "type": "timeout",
+        "label": "General response timeout",
+        "vars": {"seconds": 10.0}
+    },
+    {
+        "@id": "c3",
+        "@type": "Condition",
+        "type": "timeout",
+        "vars": {"seconds": 0.8}
+    },
+    {
+        "@id": "d5",
+        "@type": "Direction",
+        "source": "n1",
+        "target": "n2",
+        "conditions": [
+            "c2","c5"
+        ]
+    },
+    {
+        "@id": "d1",
+        "@type": "Direction",
+        "source": "n2",
+        "target": "n4",
+        "order": 1,
+        "conditions": [
+            "c5","c2"
+        ]
+    },
+    {
+        "@id": "d2",
+        "@type": "Direction",
+        "source": "n2",
+        "target": "n5",
+        "order": 2,
+        "conditions": [
+            "c2"
+        ]
+    },
+    {
+        "@id": "d3",
+        "@type": "Direction",
+        "source": "n5",
+        "target": "n3",
+        "conditions": [
+            "c2","c5"
+        ]
+    },
+    {
+        "@id": "d4",
+        "@type": "Direction",
+        "source": "n4",
+        "target": "n3",
+        "conditions": [
+            "c2","c5"
+        ]
+    },
+    {
+        "@id": "i1",
+        "@type": "Interruption",
+        "forEvent": "laugh",
+        "conditions": [
+            "c1"
+        ]
+    },
+    {
+        "@id": "i2",
+        "@type": "Interruption",
+        "forEvent": "laugh",
+        "conditions": [
+            "c1"
+        ]
+    }
+]

story_fr.json

@@ -0,0 +1,128 @@
+[
+    {
+        "@type": "Msg",
+        "@id": "n1",
+        "text": "Welcome",
+        "start": true,
+        "file": "shallweplayagame.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n2",
+        "text": "How have you been?",
+        "file": "sothegamegoeslikethis.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n4",
+        "text": "That's a shame!",
+        "file": "sleep.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n5",
+        "text": "Great to hear!",
+        "file": "retreat.wav"
+    },
+    {
+        "@type": "Msg",
+        "@id": "n3",
+        "text": "Bye!",
+        "file": "istart.wav"
+    },
+    {
+        "@id": "c1",
+        "@type": "Condition",
+        "type": "replyContains",
+        "vars": {"contains": "Well"}
+    },
+    {
+        "@id": "c5",
+        "@type": "Condition",
+        "type": "replyContains",
+        "label": "Match any response",
+        "vars": {"contains": "*"}
+    },
+    {
+        "@id": "c4",
+        "@type": "Condition",
+        "type": "replyContains",
+        "vars": {"regex": "I want more (?<whatIwant>.*)"}
+    },
+    {
+        "@id": "c2",
+        "@type": "Condition",
+        "type": "timeout",
+        "label": "General response timeout",
+        "vars": {"seconds": 10.0}
+    },
+    {
+        "@id": "c3",
+        "@type": "Condition",
+        "type": "timeout",
+        "vars": {"seconds": 0.8}
+    },
+    {
+        "@id": "d5",
+        "@type": "Direction",
+        "source": "n1",
+        "target": "n2",
+        "conditions": [
+            "c2","c5"
+        ]
+    },
+    {
+        "@id": "d1",
+        "@type": "Direction",
+        "source": "n2",
+        "target": "n4",
+        "order": 1,
+        "conditions": [
+            "c5","c2"
+        ]
+    },
+    {
+        "@id": "d2",
+        "@type": "Direction",
+        "source": "n2",
+        "target": "n5",
+        "order": 2,
+        "conditions": [
+            "c2"
+        ]
+    },
+    {
+        "@id": "d3",
+        "@type": "Direction",
+        "source": "n5",
+        "target": "n3",
+        "conditions": [
+            "c2","c5"
+        ]
+    },
+    {
+        "@id": "d4",
+        "@type": "Direction",
+        "source": "n4",
+        "target": "n3",
+        "conditions": [
+            "c2","c5"
+        ]
+    },
+    {
+        "@id": "i1",
+        "@type": "Interruption",
+        "forEvent": "laugh",
+        "conditions": [
+            "c1"
+        ]
+    },
+    {
+        "@id": "i2",
+        "@type": "Interruption",
+        "forEvent": "laugh",
+        "conditions": [
+            "c1"
+        ]
+    }
+]