py_tasks_melange: app/soc/tasks/responses.py@ad05c8063e37 (annotated)

2984 2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	1	#!/usr/bin/python2.5
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	2	#
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	3	# Copyright 2009 the Melange authors.
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	4	#
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	5	# Licensed under the Apache License, Version 2.0 (the "License");
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	6	# you may not use this file except in compliance with the License.
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	7	# You may obtain a copy of the License at
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	8	#
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	9	# http://www.apache.org/licenses/LICENSE-2.0
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	10	#
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	11	# Unless required by applicable law or agreed to in writing, software
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	12	# distributed under the License is distributed on an "AS IS" BASIS,
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	13	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	14	# See the License for the specific language governing permissions and
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	15	# limitations under the License.
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	16
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	17	"""Helpers functions for dealing with task queue api
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	18	"""
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	19
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	20	__authors__ = [
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	21	'"Daniel Hans" <daniel.m.hans@gmail.com>',
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	22	]
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	23
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	24	import logging
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	25	from django import http
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	26
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	27	# TODO(labs): fix when taskqueue graduates from labs
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	28	from google.appengine.api.labs import taskqueue
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	29
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	30
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	31	class Error(Exception):
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	32	"""Base class for all exceptions raised by this module.
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	33	"""
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	34
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	35	pass
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	36
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	37
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	38	class FatalTaskError(Error):
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	39	"""Class for all errors that lead to immediate task abortion.
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	40	"""
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	41	pass
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	42
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	43
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	44	def startTask(url, queue_name='default', context=None, **kwargs):
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	45	"""Adds a new task to one of the queues
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	46	"""
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	47
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	48	queue = taskqueue.Queue(name=queue_name)
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	49	return queue.add(taskqueue.Task(url=url, params=context))
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	50
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	51
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	52	def terminateTask():
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	53	"""Generates http response which causes that the task is
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	54	is not added to the queue again
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	55	"""
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	56
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	57	return http.HttpResponse(status=200)
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	58
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	59	def repeatTask():
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	60	"""Generates http response which causes that the task is
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	61	added to the queue again
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	62	"""
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	63
2b7ea1f2629a Move soc.logic.tasks to soc.tasks.responses Sverre Rabbelier <srabbelier@gmail.com> parents: diff changeset	64	return http.HttpResponse(status=500)

author	Pawel Solyga <Pawel.Solyga@gmail.com>
	Mon, 05 Oct 2009 19:09:58 +0200
changeset 3015	ad05c8063e37
parent 2984	2b7ea1f2629a
permissions	-rw-r--r--