993356b8ae
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1940 fd906abe-77d9-0310-91a1-e0d9ade77398
90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
#
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# Copyright (c) 2007 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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The real agent stuff.
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$Id$
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"""
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from time import time
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from zope.interface import implements
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from loops.agent.interfaces import IAgent
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from loops.agent.config import Configurator
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from loops.agent.crawl import filesystem
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from loops.agent.log import Logger
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from loops.agent.schedule import Scheduler, Stopper
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from loops.agent.transport import base
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crawlTypes = dict(
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filesystem=filesystem.CrawlingJob,
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)
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transportTypes = dict(
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httpput=base.Transporter,
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)
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class Agent(object):
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implements(IAgent)
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crawlTypes = crawlTypes
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transportTypes = transportTypes
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def __init__(self, conf=None):
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config = self.config = Configurator('ui', 'crawl', 'transport', 'logging')
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config.load(conf)
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self.scheduler = Scheduler(self)
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self.stopper = Stopper()
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self.stopper.scheduler = self.scheduler
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self.logger = Logger(self)
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def scheduleJobsFromConfig(self, stop=False):
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config = self.config
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scheduler = self.scheduler
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lastJob = None
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for idx, info in enumerate(config.crawl):
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crawlType = info.type
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factory = self.crawlTypes.get(crawlType)
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if factory is not None:
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job = lastJob = factory()
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job.params = dict((name, value)
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for name, value in info.items()
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if name not in job.baseProperties)
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transportType = info.transport or 'httpput'
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factory = self.transportTypes.get(transportType)
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if factory is not None:
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params = dict(config.transport.items())
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transporter = factory(self, **params)
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# TODO: configure transporter or - better -
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# set up transporter(s) just once
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job.successors.append(transporter.createJob())
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job.repeat = info.repeat or 0
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self.scheduler.schedule(job, info.starttime or int(time()))
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# TODO: remove job from config
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# TODO: put repeating info in config
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# TODO: remember last run for repeating job
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if stop:
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if lastJob is not None:
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lastTrJob = lastJob.successors[-1]
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lastTrJob.successors.append(self.stopper)
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else:
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self.scheduler.schedule(self.stopper)
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