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from . import base
import logging
from xml.etree import cElementTree as ET
log = logging.getLogger(__name__)
class jobs(base.base_plugin):
def plugin_init(self):
self.xep = 'pubsubjob'
self.description = "Job distribution over Pubsub"
def post_init(self):
pass
#TODO add event
def createJobNode(self, host, jid, node, config=None):
pass
def createJob(self, host, node, jobid=None, payload=None):
return self.xmpp.plugin['xep_0060'].setItem(host, node, ((jobid, payload),))
def claimJob(self, host, node, jobid, ifrom=None):
return self._setState(host, node, jobid, ET.Element('{http://andyet.net/protocol/pubsubjob}claimed'))
def unclaimJob(self, host, node, jobid):
return self._setState(host, node, jobid, ET.Element('{http://andyet.net/protocol/pubsubjob}unclaimed'))
def finishJob(self, host, node, jobid, payload=None):
finished = ET.Element('{http://andyet.net/protocol/pubsubjob}finished')
if payload is not None:
finished.append(payload)
return self._setState(host, node, jobid, finished)
def _setState(self, host, node, jobid, state, ifrom=None):
iq = self.xmpp.Iq()
iq['to'] = host
if ifrom: iq['from'] = ifrom
iq['type'] = 'set'
iq['psstate']['node'] = node
iq['psstate']['item'] = jobid
iq['psstate']['payload'] = state
result = iq.send()
if result is None or type(result) == bool or result['type'] != 'result':
log.error("Unable to change %s:%s to %s", node, jobid, state)
return False
return True
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