loops/agent/testing/crawl.py
helmutm 621efb6081 set up dummy crawler and transport for testing; implement crawl-transfer sequence via job scheduler
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1800 fd906abe-77d9-0310-91a1-e0d9ade77398
2007-06-22 15:15:25 +00:00

60 lines
1.6 KiB
Python

#
# Copyright (c) 2007 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
A dummy crawler for testing purposes.
$Id$
"""
from twisted.internet import reactor
from twisted.internet.defer import Deferred
from zope.interface import implements
from loops.agent.interfaces import ICrawlingJob, IMetadataSet
from loops.agent.schedule import Job
class CrawlingJob(Job):
implements(ICrawlingJob)
def __init__(self):
self.predefinedMetadata = {}
super(CrawlingJob, self).__init__()
def execute(self, **kw):
return self.collect(**kw)
def collect(self, **criteria):
deferred = self.deferred = Deferred()
reactor.callLater(0, self.dataAvailable)
return deferred
def dataAvailable(self):
self.deferred.callback([(DummyResource(), Metadata())])
class Metadata(object):
implements(IMetadataSet)
class DummyResource(object):
data = 'Dummy resource data for testing purposes.'