Merge pull request #15 from mikemill/python2

Add support for Python 2.7

.travis.yml

@@ -1,6 +1,7 @@
 language: python
 
 python:
+  - "2.7"
   - "3.4"
   - "3.5"
 

requirements.txt

@@ -6,3 +6,4 @@ pytest-mock
 pytest-env
 pytest-flake8
 coveralls
+pytz; python_version <= '2.7'

rq_retry_scheduler/queue.py

@@ -45,7 +45,7 @@ def enqueue_job(self, job, pipeline=None, at_front=False):
         enqueue_at = job.meta.pop('enqueue_at', None)
 
         if not enqueue_at:
-            return super().enqueue_job(job, pipeline, at_front)
+            return super(Queue, self).enqueue_job(job, pipeline, at_front)
 
         self.schedule_job(job, enqueue_at)
 

rq_retry_scheduler/worker.py

@@ -27,8 +27,8 @@ def __init__(self, queues, queue_class=None, connection=None,
                 q(queue.name) if isinstance(queue, rq.Queue) else queue
                 for queue in rq.utils.ensure_list(queues)]
 
-        super().__init__(queues, *args, queue_class=queue_class,
-                         connection=connection, **kwargs)
+        super(Worker, self).__init__(queues, *args, queue_class=queue_class,
+                                     connection=connection, **kwargs)
 
         self.log = logger
         self.push_exc_handler(self.exc_handler)

setup.py

@@ -13,7 +13,7 @@ def long_description():
 
 setup(
     name='rq-retry-scheduler',
-    version='0.1.0b5',
+    version='0.1.0b6',
     url='https://github.com/mikemill/rq_retry_scheduler',
     description='RQ Retry and Scheduler',
     long_description=long_description(),
@@ -32,6 +32,8 @@ def long_description():
     classifiers=[
         'Development Status :: 4 - Beta',
         'License :: OSI Approved :: MIT License',
+        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
     ]
 )

tests/test_util.py

@@ -1,14 +1,21 @@
-from datetime import datetime, timezone, timedelta
+from datetime import datetime
 
 from rq_retry_scheduler import util
 
-
-def test_to_unix():
+try:
+    from datetime import timezone, timedelta
+    utc = timezone.utc
     pdt = timezone(timedelta(hours=-7))
+except ImportError:
+    import pytz
+    utc = pytz.utc
+    pdt = pytz.timezone('Etc/GMT+7')  # POSIX flips the sign
 
+
+def test_to_unix():
     tests = {
-        datetime(1970, 1, 1, 0, 0, 0, tzinfo=timezone.utc): 0,
-        datetime(2038, 1, 19, 3, 14, 7, tzinfo=timezone.utc): 2147483647,
+        datetime(1970, 1, 1, 0, 0, 0, tzinfo=utc): 0,
+        datetime(2038, 1, 19, 3, 14, 7, tzinfo=utc): 2147483647,
         datetime(2016, 9, 17, 11, 26, 48, tzinfo=pdt): 1474136808,
     }