Do exception logging at Request level and discard duplicate exception messages between retries

platypush/message/request/__init__.py

@@ -215,12 +215,15 @@ class Request(Message):
                                 format(plugin, self.action, str(response)))
             except Exception as e:
                 # Retry mechanism
+                plugin.logger.exception(e)
                 logger.warning(('Uncaught exception while processing response ' +
                                 'from action {}.{}: {}').format(
                                     plugin, self.action, str(e)))
 
                 errors = errors or []
+                if str(e) not in errors:
                     errors.append(str(e))
+
                 response = Response(output=None, errors=errors)
                 if n_tries-1 > 0:
                     logger.info('Reloading plugin {} and retrying'.format(module_name))

platypush/plugins/__init__.py

@@ -14,7 +14,6 @@ def action(f):
         output = None
         errors = []
 
-        try:
         output = f(*args, **kwargs)
         if output and isinstance(output, Response):
             errors = output.errors \
@@ -26,11 +25,6 @@ def action(f):
 
             if len(errors) == 1 and errors[0] is None: errors = []
             output = output[0]
-        except Exception as e:
-            if isinstance(args[0], Plugin):
-                args[0].logger.exception(e)
-            raise e
-            # errors.append(str(e) + '\n' + traceback.format_exc())
 
         return Response(output=output, errors=errors)