Execute job immediately if Queue(async=False)

rq/job.py

@@ -289,7 +289,8 @@ class Job(object):
     def perform(self):  # noqa
         """Invokes the job function with the job arguments.
         """
-        return self.func(*self.args, **self.kwargs)
+        self._result = self.func(*self.args, **self.kwargs)
+        return self._result
 
 
     # Representation

rq/queue.py

@@ -41,12 +41,14 @@ class Queue(object):
         name = queue_key[len(prefix):]
         return cls(name, connection=connection)
 
-    def __init__(self, name='default', default_timeout=None, connection=None):
+    def __init__(self, name='default', default_timeout=None, connection=None,
+                 async=True):
         self.connection = resolve_connection(connection)
         prefix = self.redis_queue_namespace_prefix
         self.name = name
         self._key = '%s%s' % (prefix, name)
         self._default_timeout = default_timeout
+        self._async = async
 
     @property
     def key(self):
@@ -158,6 +160,8 @@ class Queue(object):
 
         If the `set_meta_data` argument is `True` (default), it will update
         the properties `origin` and `enqueued_at`.
+
+        If Queue is instantiated with async=False, job is executed immediately.
         """
         if set_meta_data:
             job.origin = self.name
@@ -168,8 +172,12 @@ class Queue(object):
         else:
             job.timeout = 180  # default
 
+        if self._async:
             job.save()
             self.push_job_id(job.id)
+        else:
+            job.perform()
+            job.save()
         return job
 
     def pop_job_id(self):

tests/test_queue.py

@@ -1,5 +1,5 @@
 from tests import RQTestCase
-from tests.fixtures import Calculator, say_hello, div_by_zero
+from tests.fixtures import Calculator, div_by_zero, say_hello, some_calculation
 from rq import Queue, get_failed_queue
 from rq.job import Job
 from rq.exceptions import InvalidJobOperationError
@@ -260,3 +260,9 @@ class TestFailedQueue(RQTestCase):
         self.assertEqual(job.result_ttl, 10)
         job_from_queue = Job.fetch(job.id, connection=self.testconn)
         self.assertEqual(int(job_from_queue.result_ttl), 10)
+
+    def test_async_false(self):
+        """Executes a job immediately if async=False."""
+        q = Queue(async=False)
+        job = q.enqueue(some_calculation, args=(2, 3))
+        self.assertEqual(job.return_value, 6)