Fix inotify event logs triggering themselves (infinite log recursion)

lib/tfw/components/log_monitor.py

@@ -1,6 +1,7 @@
 # Copyright (C) 2018 Avatao.com Innovative Learning Kft.
 # All Rights Reserved. See LICENSE file for details.
 
+import logging
 from os.path import dirname
 
 from watchdog.events import PatternMatchingEventHandler as PatternMatchingWatchdogEventHandler
@@ -12,6 +13,7 @@ from tfw.mixins import ObserverMixin, SupervisorLogMixin
 
 class LogMonitor(ObserverMixin):
     def __init__(self, process_name):
+        self.prevent_log_recursion()
         ObserverMixin.__init__(self)
         event_handler = SendLogWatchdogEventHandler(process_name)
         self.observer.schedule(
@@ -19,6 +21,11 @@ class LogMonitor(ObserverMixin):
             event_handler.path
         )
 
+    @staticmethod
+    def prevent_log_recursion():
+        # This is done to prevent inotify event logs triggering themselves (infinite log recursion)
+        logging.getLogger('watchdog.observers.inotify_buffer').propagate = False
+
 
 class SendLogWatchdogEventHandler(PatternMatchingWatchdogEventHandler, SupervisorLogMixin):
     def __init__(self, process_name):