Updates for MAXH2O-91

python-driver/Channel.py

@@ -155,18 +155,21 @@ class Channel(object):
         """Read the value."""
         pass
 
+
 def identity(sent):
-    """Returns exactly what was sent to it."""
+    """Return exactly what was sent to it."""
     return sent
 
+
 class ModbusChannel(Channel):
     """Modbus channel object."""
 
-    def __init__(self, mesh_name, register_number, data_type, chg_threshold, guarantee_sec, map_=False, write_enabled=False, transformFn=identity):
+    def __init__(self, mesh_name, register_number, data_type, chg_threshold, guarantee_sec, channel_size=1, map_=False, write_enabled=False, transformFn=identity):
         """Initialize the channel."""
         super(ModbusChannel, self).__init__(mesh_name, data_type, chg_threshold, guarantee_sec, map_, write_enabled)
         self.mesh_name = mesh_name
         self.register_number = register_number
+        self.channel_size = channel_size
         self.data_type = data_type
         self.last_value = None
         self.value = None
@@ -178,6 +181,7 @@ class ModbusChannel(Channel):
         self.transformFn = transformFn
 
     def read(self, mbsvalue):
+        """Return the transformed read value."""
         return self.transformFn(mbsvalue)
 
 
@@ -209,8 +213,10 @@ class PLCChannel(Channel):
 
         return plc_value
 
+
 class BoolArrayChannels(Channel):
     """Hold the configuration for a set of boolean array channels."""
+
     def __init__(self, ip, mesh_name, plc_tag, data_type, chg_threshold, guarantee_sec, map_=False, write_enabled=False):
         """Initialize the channel."""
         self.plc_ip = ip