[Zope-dev] Xron and Zope 2.4.0 again
Remi Delon
rdelon@hotmail.com
Mon, 30 Jul 2001 08:02:26
Yes, I'm quite sure. I'm on win98, and here is the complete schedule.py
that I'm using:
#####################################################################
#
# Xron -- Zope Scheduled Event Product
# Copyright (C) 2000 Loren Stafford
#
# Derived from the ZScheduler product version 0.0.7 in accord
# with the terms of the ZScheduler's license.
#
# Based on code by Martijn Pieters, (c) 1999 Antraciet B.V.
# Used with explicit permission.
#
# 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.
#
#####################################################################
""" Schedule -- a Catalog of Sheduled Events """
from Globals import HTMLFile
import Globals
from OFS.Folder import Folder
from Products.ZCatalog import ZCatalog
from Products.ZCatalog import Catalog
from DateTime import DateTime
from threading import Event
from SearchIndex.UnIndex import UnIndex
# The one instance of Schedule has an ID known to all XronDTMLMethods
ScheduleID='Schedule' # The well-known ID for the Schedule
ScheduleChange=Event() # Communicate Schedule changes to Dispatcher
class EventSchedule(ZCatalog.ZCatalog):
""" The Schedule (catalog of events). This is also a container. """
meta_type = 'EventSchedule'
icon='misc_/Xron/EventScheduleIcon'
manage_options = (
{'label':'Cataloged Objects', 'action': 'manage_catalogView'},
{'label':'Contents', 'action':'manage_main'},
{'label':'Import/Export', 'action':'manage_importExportForm'},
{'label':'Security', 'action':'manage_access'},
{'label':'Undo', 'action':'manage_UndoForm'},
)
__ac_permissions__ = (
('View management screens',
('manage_main','manage_menu','manage_catalogView')),
('Access contents information',
('objectIds', 'objectValues', 'objectItems',''),
('Anonymous', 'Manager')),
('Delete objects', ('manage_delObjects',)),
('Import/Export objects', (
'manage_importObject','manage_importExportForm',
'manage_exportObject')),
)
manage_catalogView = HTMLFile('scheduleView',globals())
def __init__(self, id='Schedule', title='Scheduled Event Catalog'):
self.id = id
self.title = title
self.threshold = 1000
self._v_total = 0
self._catalog = ZCatalog.Catalog()
self._catalog.addColumn('id')
self._catalog.addColumn('meta_type')
self._catalog.addColumn('nextEventTime')
self._catalog.addIndex('nextEventTime', UnIndex('nextEventTime'))
self._catalog.addColumn('absolute_url')
self._catalog.addIndex('absolute_url', UnIndex('absolute_url'))
# Extensions to ZCatalog methods
def catalog_object(self, obj, uid):
""" extend ZCatalog to set ScheduleChange event """
ZCatalog.ZCatalog.catalog_object.im_func(self, obj, uid)
# see Python Reference Manual "The standard type hierarchy"
# for the built-in type im_func
ScheduleChange.set()
def uncatalog_object(self, uid):
""" extend ZCatalog to set ScheduleChange event """
try: ZCatalog.ZCatalog.uncatalog_object.im_func(self, uid)
except ValueError: pass
# see Python Reference Manual "The standard type hierarchy"
# for the built-in type im_func
ScheduleChange.set()
# Query the event catalog
def armed_event(self):
""" get the first event that is armed """
#import pdb; pdb.set_trace()
next_url=None
next_time=None
next_uid=None
for event in self._catalog.searchResults(
nextEventTime=DateTime(1),
nextEventTime_usage='range:min',
sort_on='nextEventTime'
):
next_url = event.absolute_url
next_time = event.nextEventTime
break # just look at the first one
return (next_time, next_url)
# Last resort method for disarming a failed event
def exterminate(self, aurl):
for event in self._catalog.searchResults(absolute_url=aurl):
# broken into 3 statements for tracing
rid=event.data_record_id_
uid=self._catalog.getpath(rid)
self.uncatalog_object(uid)
#self.uncatalog_object(self._catalog.getpath(event.data_record_id_))
Globals.default__class_init__(EventSchedule)
>From: "Walter Miller" <wmiller@mediaone.net>
>To: "Remi Delon" <rdelon@hotmail.com>
>Subject: Re: [Zope-dev] Xron and Zope 2.4.0 again
>Date: Sun, 29 Jul 2001 14:22:10 -0700
>
>Remi,
>
>Are you sure it works? I tried it and I still get all the same errors.
>Could you send me the corrected Scheduler.py file?
>
>Walter
>
>----- Original Message -----
>From: "Remi Delon" <rdelon@hotmail.com>
>To: <lstafford@morphics.com>; <zope-dev@zope.org>
>Cc: <wmiller@mediaone.net>
>Sent: Saturday, July 28, 2001 11:27 AM
>Subject: RE: [Zope-dev] Xron and Zope 2.4.0 again
>
>
> > Yes yes yes !!!
> > It works !
> > Apparently, using UnIndex was the right method.
> >
> > Thanks Loren.
> >
> > Rémi.
> >
> >
> > >From: "Loren Stafford" <lstafford@morphics.com>
> > >To: <zope-dev@zope.org>
> > >CC: "Remi Delon" <rdelon@hotmail.com>, "Walter Miller"
> > ><wmiller@mediaone.net>
> > >Subject: RE: [Zope-dev] Xron and Zope 2.4.0 again
> > >Date: Fri, 27 Jul 2001 12:03:26 -0700
> > >
> > >I think you have to tailor Steve's patch a little more. Try something
>like
> > >this (untested):
> > >
> > > def __init__(self, id='Schedule', title='Scheduled Event Catalog'):
> > > self.id = id
> > > self.title = title
> > > self.threshold = 1000
> > > self._v_total = 0
> > > self._catalog = ZCatalog.Catalog()
> > > self._catalog.addColumn('id')
> > > self._catalog.addColumn('meta_type')
> > > self._catalog.addColumn('nextEventTime')
> > > self._catalog.addColumn('absolute_url')
> > > self._catalog.addIndex('nextEventTime', UnIndex('nextEventTime'))
> > > self._catalog.addIndex('absolute_url', UnIndex('absolute_url'))
> > >
> > >-- Loren
> > >
> >
> >
> > _________________________________________________________________
> > Get your FREE download of MSN Explorer at
>http://explorer.msn.com/intl.asp
> >
>
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