Update eve_proxy taks for Django 1.4

app/eve_proxy/tasks.py

@@ -1,16 +1,19 @@
-from django.conf import settings
 import logging
 from datetime import datetime, timedelta
 
+from django.conf import settings
+from django.utils.timezone import now
+
 from celery.task import task
 
 from eve_proxy.models import CachedDocument, ApiAccessLog
 
+
 @task(ignore_result=True)
 def clear_stale_cache(cache_extension=0):
     log = clear_stale_cache.get_logger()
 
-    time = datetime.utcnow() - timedelta(seconds=cache_extension)
+    time = now() - timedelta(seconds=cache_extension)
     objs = CachedDocument.objects.filter(cached_until__lt=time)
     log.info('Removing %s stale cache documents' % objs.count())
     objs.delete()
@@ -20,7 +23,7 @@ def clear_stale_cache(cache_extension=0):
 def clear_old_logs():
     log = clear_old_logs.get_logger()
 
-    time = datetime.utcnow() - timedelta(days=settings.EVE_PROXY_KEEP_LOGS)
+    time = now() - timedelta(days=getattr(settings, 'EVE_PROXY_KEEP_LOGS', 30))
     objs = ApiAccessLog.objects.filter(time_access__lt=time)
     log.info('Removing %s old access logs' % objs.count())
     objs.delete()