Improve exception handling.

Author: jburhenn

myDevices/plugins/digital.py

@@ -18,7 +18,10 @@ def __init__(self, plugin_id):
 
     def value_to_tuple(self, value):
         """Converts value to tuple with the appropriate Cayenne data type."""
-        return (int(value), self.data_type)
+        try:
+            return (int(value), self.data_type)
+        except:
+            return InputOutput.value_to_tuple(self, value)
 
 
 class DigitalOutput(DigitalInput):

myDevices/plugins/io.py

@@ -73,8 +73,8 @@ def read_value(self, channel, value_type=None):
             if value_type:
                 read_args['value_type'] = value_type
             result = getattr(self.plugin['instance'], self.plugin['read'])(channel, **read_args)           
-        except:
-            error('Error reading value from plugin {}, channel {}'.format(self.plugin_id, channel))
+        except Exception as e:
+            error('Error reading value from plugin {}, channel {}: {}'.format(self.plugin_id, channel, e))
         return result
 
     def write(self, value, channel, value_type=None):
@@ -86,16 +86,16 @@ def write_value(self, value, channel, value_type=None):
         result = None
         self.set_plugin()
         if not self.plugin:
-            error('Plugin {} not loaded'.format(self.plugin_id))
+            error('Plugin {} is not loaded'.format(self.plugin_id))
             return result
         self.set_function(channel)
         try:
             write_args = self.write_args
             if value_type:
                 write_args['value_type'] = value_type            
             result = getattr(self.plugin['instance'], self.plugin['write'])(channel, value, **write_args)
-        except:
-            error('Error writing value to plugin {}, channel {}'.format(self.plugin_id, channel))
+        except Exception as e:
+            error('Error writing value to plugin {}, channel {}: {}'.format(self.plugin_id, channel, e))
         return result
 
     def register_callback(self, callback):