Refactor PrintJobTracker to improve handling of filamentUsed data retrieval for better compatibility with OctoPrint's data structure

Author: kennethjiang

octoprint_obico/print_job_tracker.py

@@ -97,9 +97,9 @@ def status(self, plugin, status_only=False):
         data['status']['currentLayerHeight'] = self.current_layer_height # use camel-case to be consistent with the existing convention
 
         # Backfill progress.filamentUsed from job.filament.tool0.length for new OctoPrint versions
-        progress = data.get('status', {}).get('progress', {})
+        progress = (data.get('status') or {}).get('progress') or {}
         if progress and 'filamentUsed' not in progress:
-            filament_length = data.get('status', {}).get('job', {}).get('filament', {}).get('tool0', {}).get('length')
+            filament_length = ((((data.get('status') or {}).get('job') or {}).get('filament') or {}).get('tool0') or {}).get('length')
             if filament_length is not None:
                 progress['filamentUsed'] = filament_length