Serge NOEL
93 lines
3.3 KiB
Python
93 lines
3.3 KiB
Python
# Listen to all sensors, printing an info line when they change state.
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# If the sensor has a "matching" block, print some block detail and speak
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# the most useful attributes audibly.
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# This is useful for validating occupancy and block setup and wiring
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#
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# Author: mstevetodd, copyright 2013
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# based on SensorLog.py and BlockLister.py
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# Part of the JMRI distribution
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import java
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import java.beans
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import jmri
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# Define routine to map status numbers to text
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def stateName(state) :
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if (state == ACTIVE) :
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return "ACTIVE"
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if (state == INACTIVE) :
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return "INACTIVE"
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if (state == INCONSISTENT) :
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return "INCONSISTENT"
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if (state == UNKNOWN) :
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return "UNKNOWN"
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return "(invalid)"
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# convert block state to english
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def cvtBlockStateToText(state) :
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rep = ""
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if (state == jmri.Block.OCCUPIED) :
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rep = rep + "Occupied "
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if (state == jmri.Block.UNOCCUPIED) :
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rep = rep + "Unoccupied "
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return rep
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# use external "nircmd" command to "speak" some text (I prefer this voice to eSpeak)
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def speak(msg) :
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#uncomment next line for speech (Jenkins doesn't like this command)
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#java.lang.Runtime.getRuntime().exec('C:\\Progra~2\\nircmd\\nircmd speak text "' + msg +'"')
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return
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# Define the sensor listener:
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# Print details on all sensor changes, and speak key blocks
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# items if sensor is a block occupancy sensor
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class SensorListener(java.beans.PropertyChangeListener):
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def propertyChange(self, event):
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if (event.propertyName == "KnownState") :
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sensor_num = event.source.systemName[2:]
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mesg = "Sensor "+event.source.systemName
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if (event.source.userName != None) :
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mesg += " ("+event.source.userName+")"
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mesg += " from "+stateName(event.oldValue)
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mesg += " to "+stateName(event.newValue)
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#look for block based on our naming convention, and speak some info if found
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block_name = "ILB" + sensor_num
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b = blocks.getByUserName(block_name)
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if (b != None) :
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block_length = str(round(b.getLengthIn())).rstrip('0').rstrip('.') + " inches "
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mesg += " for block " + block_name + ", " + block_length
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#only speak for occupied blocks (cuts down on noise level)
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if (b.getState() == jmri.Block.OCCUPIED) :
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spoken_mesg = b.userName + " "
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#spoken_mesg += cvtBlockStateToText(b.getState()) + ", "
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spoken_mesg += block_length
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speak(spoken_mesg)
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print mesg
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return
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listener = SensorListener()
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# Define a Manager listener. When invoked, a new
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# item has been added, so go through the list of items removing the
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# old listener and adding a new one (works for both already registered
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# and new sensors)
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class ManagerListener(java.beans.PropertyChangeListener):
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def propertyChange(self, event):
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list = event.source.getNamedBeanSet()
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for sensor in list :
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sensor.removePropertyChangeListener(listener)
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sensor.addPropertyChangeListener(listener)
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# Attach the sensor manager listener
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sensors.addPropertyChangeListener(ManagerListener())
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# For the sensors that exist, attach a sensor listener
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list = sensors.getNamedBeanSet()
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for i in list :
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sensor.addPropertyChangeListener(listener)
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speak("block occupancy announcer started")
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