Added functions to clear old cache documents

eve_proxy/cron.py

@@ -0,0 +1,20 @@
+import logging
+from datetime import datetime
+
+from eve_proxy.models import CachedDocument
+
+class ClearStaleCache():
+        """
+        Clears out any stale cache entries
+        """
+
+        @property
+        def _logger(self):
+            if not hasattr(self, '__logger'):
+                self.__logger = logging.getLogger(__name__)
+            return self.__logger
+                
+        def job(self):
+            objs = CachedDocument.objects.filter(cached_until__lt=datetime.utcnow())
+            self._logger.info('Removing %s stale cache documents')
+            objs.delete()