CC-5709: Airtime Analyzer

* Log tracebacks from child process

python_apps/airtime_analyzer/airtime_analyzer/analyzer_pipeline.py

@@ -30,6 +30,7 @@ class AnalyzerPipeline:
                                temporary randomly generated name, which is why we want
                                to know what the original name was.  
         """
+        try:
             if not isinstance(queue, multiprocessing.queues.Queue):
                 raise TypeError("queue must be a multiprocessing.Queue()")
             if not isinstance(audio_file_path, unicode):
@@ -39,6 +40,7 @@ class AnalyzerPipeline:
             if not isinstance(original_filename, unicode):
                 raise TypeError("original_filename must be unicode. Was of type " + type(original_filename).__name__ + " instead.")
 
+
             # Analyze the audio file we were told to analyze:
             # First, we extract the ID3 tags and other metadata:
             metadata = dict()
@@ -52,5 +54,9 @@ class AnalyzerPipeline:
             # Pass all the file metadata back to the main analyzer process, which then passes
             # it back to the Airtime web application.
             queue.put(metadata)
+        except Exception as e:
+            # Ensures the traceback for this child process gets written to our log files:
+            logging.exception(e) 
+            raise e