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workers/msgw2.py

@@ -0,0 +1,55 @@
+from mqtt import MqttMessage
+
+from workers.base import BaseWorker
+import logger
+import traceback
+
+REQUIREMENTS = ['pyserial']
+_LOGGER = logger.get(__name__)
+
+
+class Msgw2Worker(BaseWorker):
+
+    def _setup(self):
+        _LOGGER.debug("Setting up mysensors-2-mqtt")
+        import serial
+        self.ser = serial.Serial(self.port, self.baudrate, timeout=10)
+        if not hasattr(self, 'encoding'):
+            self.encoding = 'utf-8'
+        
+    def config(self):
+        return []
+
+    def run(self, mqtt):
+        _LOGGER.debug("Starting mysensors-2-mqtt at: %s" % self.ser.name)
+        while True:
+            try:
+                line = self.ser.readline()
+                if not line:
+                    continue
+                splited_line = self.format_topic(line.decode(self.encoding).strip()).split(';')
+                _LOGGER.debug("MSGW2.serial.read: %s" % line)
+                topic = '/'.join(splited_line[0:-1])
+                payload = ''.join(splited_line[-1])
+                mqtt.publish([MqttMessage(topic=topic, payload=payload)])
+            except Exception as e:
+                _LOGGER.error("Caught exception in Msgw2Worker.run(): {}".format(e))
+                traceback.print_exc();
+            except serial.serialutil.SerialException as e:
+                _LOGGER.error("Caught exception in MsgwWorker.run(): {}".format(e))
+                traceback.print_exc();
+                self.ser = serial.Serial(self.port, self.baudrate, timeout=10)
+
+
+    def on_command(self, topic, value):
+        _LOGGER.debug("MsgwWorker2.on_command({}, {})".format(topic, value))
+        try:
+            splited_topic = topic.split('/')
+            line = str.encode(splited_topic[-5]+";"+splited_topic[-4]+";"+splited_topic[-3]+";"+splited_topic[-2]+";"+splited_topic[-1]+";")+value+b'\n'
+            _LOGGER.info("MSGW2.serial.write: %s" % line)
+            self.ser.write(line)
+        except Exception as e:
+            _LOGGER.error("Caught exception in Msgw2Worker.on_command(): {}".format(e))
+            traceback.print_exc()
+        return []
+