diff --git a/.travis.yml b/.travis.yml index 9d3d110..0a9a69e 100644 --- a/.travis.yml +++ b/.travis.yml @@ -1,3 +1,4 @@ +sudo: false language: python services: - redis diff --git a/rq/queue.py b/rq/queue.py index ea39d81..baf16d6 100644 --- a/rq/queue.py +++ b/rq/queue.py @@ -329,22 +329,22 @@ class Queue(object): Returns a job_class instance, which can be executed or inspected. """ - job_id = self.pop_job_id() - if job_id is None: - return None - try: - job = self.job_class.fetch(job_id, connection=self.connection) - except NoSuchJobError as e: - # Silently pass on jobs that don't exist (anymore), - # and continue by reinvoking itself recursively - return self.dequeue() - except UnpickleError as e: - # Attach queue information on the exception for improved error - # reporting - e.job_id = job_id - e.queue = self - raise e - return job + while True: + job_id = self.pop_job_id() + if job_id is None: + return None + try: + job = self.job_class.fetch(job_id, connection=self.connection) + except NoSuchJobError as e: + # Silently pass on jobs that don't exist (anymore), + continue + except UnpickleError as e: + # Attach queue information on the exception for improved error + # reporting + e.job_id = job_id + e.queue = self + raise e + return job @classmethod def dequeue_any(cls, queues, timeout, connection=None): diff --git a/tests/test_queue.py b/tests/test_queue.py index e4e9253..6a631d7 100644 --- a/tests/test_queue.py +++ b/tests/test_queue.py @@ -173,6 +173,14 @@ class TestQueue(RQTestCase): # ...and assert the queue count when down self.assertEquals(q.count, 0) + def test_dequeue_deleted_jobs(self): + """Dequeueing deleted jobs from queues don't blow the stack.""" + q = Queue() + for _ in range(1,1000): + job = q.enqueue(say_hello) + job.delete() + q.dequeue() + def test_dequeue_instance_method(self): """Dequeueing instance method jobs from queues.""" q = Queue()