def __delete_older_events()

in src/extension/src/TelemetryWriter.py [0:0]

• 22 lines of code
• 10 McCabe index (conditional complexity)

    def __delete_older_events(self):
        """ Delete older events until the at least one new event file can be added as per the size restrictions """
        try:
            if self.__get_events_dir_size() < Constants.TELEMETRY_DIR_SIZE_LIMIT_IN_CHARS - Constants.TELEMETRY_EVENT_FILE_SIZE_LIMIT_IN_CHARS:
                # Not deleting any existing event files as the event directory does not exceed max limit. At least one new event file can be added. Not printing this statement as it will add repetitive logs
                return

            self.logger.log_telemetry_module("Events directory size exceeds maximum limit. Deleting older event files until at least one new event file can be added.")
            event_files = [os.path.join(self.events_folder_path, event_file) for event_file in os.listdir(self.events_folder_path) if (event_file.lower().endswith(".json"))]
            event_files.sort(key=os.path.getmtime, reverse=True)

            for event_file in event_files:
                try:
                    if self.__get_events_dir_size() < Constants.TELEMETRY_DIR_SIZE_LIMIT_IN_CHARS - Constants.TELEMETRY_EVENT_FILE_SIZE_LIMIT_IN_CHARS:
                        # Not deleting any more event files as the event directory has sufficient space to add at least one new event file. Not printing this statement as it will add repetitive logs
                        break

                    if os.path.exists(event_file):
                        os.remove(event_file)
                        self.logger.log_telemetry_module("Deleted event file. [File={0}]".format(repr(event_file)))
                except Exception as e:
                    self.logger.log_telemetry_module_error("Error deleting event file. [File={0}] [Exception={1}]".format(repr(event_file), repr(e)))

            if self.__get_events_dir_size() >= Constants.TELEMETRY_DIR_SIZE_LIMIT_IN_CHARS:
                self.logger.log_telemetry_module_error("Older event files were not deleted. Current event will not be sent to telemetry as events directory size exceeds maximum limit")
                raise

        except Exception as e:
            self.logger.log_telemetry_module_error("Error occurred while deleting older telemetry events. [Error={0}]".format(repr(e)))
            raise