Added disable_web_clients_notification on Event for events

generated with high throughput that shouldn't be propagated
to the connected websockets.

platypush/__init__.py

@@ -9,9 +9,6 @@ import argparse
 import logging
 import os
 import sys
-import traceback
-
-from threading import Thread
 
 from .bus import Bus
 from .bus.redis import RedisBus
@@ -33,6 +30,7 @@ __version__ = '0.11.2'
 LOGGER = logging.getLogger(__name__)
 LOGGER.setLevel(logging.INFO)
 
+
 class Daemon:
     """ Main class for the Platypush daemon """
 
@@ -149,14 +147,12 @@ class Daemon:
 
         return _f
 
-
     def stop_app(self):
         """ Stops the backends and the bus """
         for backend in self.backends.values():
             backend.stop()
         self.bus.stop()
 
-
     def start(self):
         """ Start the daemon """
         if not self.no_capture_stdout:

platypush/event/processor/__init__.py

@@ -1,33 +1,35 @@
-import logging
 import sys
 
 from ..hook import EventHook
 
 from platypush.config import Config
 from platypush.context import get_backend
+from platypush.message.event import Event
 
 
 class EventProcessor(object):
     """ Event processor class. Checks an event against the configured
         rules and executes any matching event hooks """
 
-    def __init__(self, hooks=None, **kwargs):
+    def __init__(self, hooks=None):
         """
         Params:
             hooks -- List of event hooks (default: any entry in the config
             named as event.hook.<hook_name> """
 
-        if hooks is None: hooks = Config.get_event_hooks()
+        if hooks is None:
+            hooks = Config.get_event_hooks()
 
         self.hooks = []
         for (name, hook) in hooks.items():
             h = EventHook.build(name=name, hook=hook)
             self.hooks.append(h)
 
-
-    def notify_web_clients(self, event):
+    @staticmethod
+    def notify_web_clients(event):
         backends = Config.get_backends()
-        if 'http' not in backends: return
+        if 'http' not in backends:
+            return
 
         backend = get_backend('http')
         if backend:
@@ -37,26 +39,29 @@ class EventProcessor(object):
         if backend:
             backend.notify_web_clients(event)
 
-
-    def process_event(self, event):
+    def process_event(self, event: Event):
         """ Processes an event and runs the matched hooks with the highest score """
 
-        self.notify_web_clients(event)
-        matched_hooks = set(); priority_hooks = set()
-        max_score = -sys.maxsize; max_prio = 0
+        if not event.disable_web_clients_notification:
+            self.notify_web_clients(event)
+
+        matched_hooks = set()
+        priority_hooks = set()
+        max_score = -sys.maxsize
+        max_priority = 0
 
         for hook in self.hooks:
             match = hook.matches_event(event)
             if match.is_match:
                 if match.score > max_score:
-                    matched_hooks = set((hook,))
+                    matched_hooks = {hook}
                     max_score = match.score
                 elif match.score == max_score:
                     matched_hooks.add(hook)
 
-                if hook.priority > max_prio:
-                    priority_hooks = set((hook,))
-                elif hook.priority == max_prio and max_prio > 0:
+                if hook.priority > max_priority:
+                    priority_hooks = {hook}
+                elif hook.priority == max_priority and max_priority > 0:
                     priority_hooks.add(hook)
 
         matched_hooks.update(priority_hooks)
@@ -65,4 +70,3 @@ class EventProcessor(object):
 
 
 # vim:sw=4:ts=4:et:
-

platypush/message/event/__init__.py

@@ -19,10 +19,8 @@ class Event(Message):
     # will be disabled. Logging is usually disabled for events with a very
     # high frequency that would otherwise pollute the logs e.g. camera capture
     # events
-    disable_logging = False
-
     def __init__(self, target=None, origin=None, id=None, timestamp=None,
-                 disable_logging=disable_logging, **kwargs):
+                 disable_logging=False, disable_web_clients_notification=False, **kwargs):
         """
         Params:
             target  -- Target node [String]
@@ -39,6 +37,7 @@ class Event(Message):
                                    self.__class__.__name__)
         self.args = kwargs
         self.disable_logging = disable_logging
+        self.disable_web_clients_notification = disable_web_clients_notification
 
         for arg, value in self.args.items():
             self.__setattr__(arg, value)

platypush/message/event/distance.py

@@ -6,7 +6,8 @@ class DistanceSensorEvent(Event):
     Event triggered when a new value is processed by a distance sensor.
     """
     def __init__(self, distance: float, unit: str = 'mm', *args, **kwargs):
-        super().__init__(*args, distance=distance, unit=unit, **kwargs)
+        super().__init__(*args, distance=distance, unit=unit, disable_logging=True,
+                         disable_web_clients_notification=True, **kwargs)
 
 
 # vim:sw=4:ts=4:et: