Extracted method.

This makes the act of moving failed jobs to the failed queue
responsibility of the FailedQueue itself, not of the Worker.

This fixes #32.

rq/queue.py

@@ -227,3 +227,14 @@ class FailedQueue(Queue):
     def __init__(self):
         super(FailedQueue, self).__init__('failed')
 
+    def quarantine(self, job, exc_info):
+        """Puts the given Job in quarantine (i.e. put it on the failed
+        queue).
+
+        This is different from normal job enqueueing, since certain meta data
+        must not be overridden (e.g. `origin` or `enqueued_at`) and other meta
+        data must be inserted (`ended_at` and `exc_info`).
+        """
+        job.ended_at = times.now()
+        job.exc_info = exc_info
+        return self.enqueue_job(job, set_meta_data=False)

rq/worker.py

@@ -3,7 +3,6 @@ import os
 import errno
 import random
 import time
-import times
 import procname
 import socket
 import signal
@@ -332,11 +331,7 @@ class Worker(object):
             self.log.exception(red(str(e)))
             self.log.warning('Moving job to %s queue.' % fq.name)
 
-            # Store the exception information...
-            job.ended_at = times.now()
-            job.exc_info = traceback.format_exc()
-
-            fq.enqueue_job(job, set_meta_data=False)
+            fq.quarantine(job, exc_info=traceback.format_exc())
             return False
         else:
             if rv is None: