app/soc/logic/tasks.py
changeset 2980 cbfd8e12527a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/soc/logic/tasks.py	Sun Sep 27 23:31:39 2009 +0200
@@ -0,0 +1,64 @@
+#!/usr/bin/python2.5
+#
+# Copyright 2008 the Melange authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Helpers functions for dealing with task queue api
+"""
+
+__authors__ = [
+  '"Daniel Hans" <daniel.m.hans@gmail.com>',
+  ]
+
+import logging
+from django import http
+
+# TODO(labs): fix when taskqueue graduates from labs
+from google.appengine.api.labs import taskqueue
+
+
+class Error(Exception):
+  """Base class for all exceptions raised by this module.
+  """
+
+  pass
+
+
+class FatalTaskError(Error):
+  """Class for all errors that lead to immediate task abortion.
+  """
+  pass
+
+
+def startTask(url, queue_name='default', context=None, **kwargs):
+  """Adds a new task to one of the queues
+  """
+
+  queue = taskqueue.Queue(name=queue_name)
+  return queue.add(taskqueue.Task(url=url, params=context))
+
+
+def terminateTask():
+  """Generates http response which causes that the task is
+     is not added to the queue again
+  """
+
+  return http.HttpResponse(status=200)
+
+def repeatTask():
+  """Generates http response which causes that the task is
+     added to the queue again
+  """
+
+  return http.HttpResponse(status=500)