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glasnost/servers/CommentsServer/CommentsServer.py

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Python
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#!/usr/bin/env python
# -*- coding: iso-8859-15 -*-
# Glasnost
# By: Odile Bénassy <obenassy@entrouvert.com>
# Romain Chantereau <rchantereau@entrouvert.com>
# Nicolas Clapiès <nclapies@easter-eggs.org>
# Pierre-Antoine Dejace <padejace@entrouvert.be>
# Thierry Dulieu <tdulieu@easter-eggs.com>
# Florent Monnier <monnier@codelutin.com>
# Cédric Musso <cmusso@easter-eggs.org>
# Frédéric Péters <fpeters@entrouvert.be>
# Benjamin Poussin <poussin@codelutin.com>
# Emmanuel Raviart <eraviart@entrouvert.com>
# Sébastien Régnier <regnier@codelutin.com>
# Emmanuel Saracco <esaracco@easter-eggs.com>
#
# Copyright (C) 2000, 2001 Easter-eggs & Emmanuel Raviart
# Copyright (C) 2002 Odile Bénassy, Code Lutin, Thierry Dulieu, Easter-eggs,
# Entr'ouvert, Frédéric Péters, Benjamin Poussin, Emmanuel Raviart,
# Emmanuel Saracco & Théridion
# Copyright (C) 2003 Odile Bénassy, Romain Chantereau, Nicolas Clapiès,
# Code Lutin, Pierre-Antoine Dejace, Thierry Dulieu, Easter-eggs,
# Entr'ouvert, Florent Monnier, Cédric Musso, Ouvaton, Frédéric Péters,
# Benjamin Poussin, Rodolphe Quiédeville, Emmanuel Raviart, Sébastien
# Régnier, Emmanuel Saracco, Théridion & Vecam
#
# 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.
__doc__ = """Glasnost Comments Server"""
__version__ = '$Revision$'[11:-2]
import sys
import time
glasnostPythonDir = '/usr/local/lib/glasnost-devel' # changed on make install
sys.path.insert(0, glasnostPythonDir)
import glasnost
from glasnost.common.CommentsCommon import *
import glasnost.common.faults as faults
import glasnost.common.tools_new as commonTools
from glasnost.server.ObjectsServer import ObjectServerMixin, \
AdminServerMixin, ObjectsServer
from glasnost.server.things import register
from glasnost.server.tools import *
applicationName = 'CommentsServer'
applicationRole = 'comments'
dispatcher = None
class AdminComments(AdminServerMixin, AdminCommentsCommon):
pass
register(AdminComments)
class Comment(ObjectServerMixin, CommentCommon):
def checkAddIsPossible(self):
ObjectServerMixin.checkAddIsPossible(self)
virtualServerId = context.getVar('applicationId')
ultimateParentId = self.getServer().getParentId(self)
parent = getObject(ultimateParentId)
# if it booms out; adding was not possible, we get what we want
# TODO: parent object should tell if it accepts comments
def modify(self, changes, givenSlotNames = None):
return ObjectServerMixin.modify(self, changes,
['language', 'title', 'body'])
def setAutomaticalSlots(self, parentSlot = None):
ObjectServerMixin.setAutomaticalSlots(self, parentSlot = parentSlot)
self.authorId = getProxyForServerRole('authentication').getUserId()
self.creationTime = time.time()
register(Comment)
class CommentsServer(CommentsCommonMixin, ObjectsServer):
def canGetObject(self, objectId):
result = ObjectsServer.canGetObject(self, objectId)
if result == 0:
return 0
virtualServerId = context.getVar('applicationId')
virtualServer = self.getVirtualServer(virtualServerId)
object = virtualServer.loadObjectCore(objectId)
parentId = self.getParentId(object)
roleProxy = getProxyForServerRole(
commonTools.extractRole(parentId))
return roleProxy.canGetObject(parentId)
def canGetObjects(self):
return 0
def canPostEditorialComment(self, parentId):
roleProxy = getProxyForServerRole(
commonTools.extractRole(parentId))
return roleProxy.canModifyObject(parentId)
def getObjectIdsWithParent(self, parentId, isEditorial):
if isEditorial and not self.canPostEditorialComment(parentId):
raise faults.UserAccessDenied()
virtualServerId = context.getVar('applicationId')
virtualServer = self.getVirtualServer(virtualServerId)
tempResult = []
for objectId, objectCore in virtualServer.objects.items():
if self.getParentId(objectCore) == parentId and \
objectCore.isEditorial == isEditorial:
tempResult.append(objectId)
result = []
for objectId in tempResult:
if self.canGetObject(objectId):
result.append(objectId)
return result
def getParentId(self, comment):
currentComment = comment
while 1:
role = commonTools.extractRole(currentComment.parentId)
if role != 'comments':
return currentComment.parentId
currentComment = self.getObjectCore(currentComment.parentId)
def registerPublicMethods(self):
ObjectsServer.registerPublicMethods(self)
self.registerPublicMethod('canPostEditorialComment')
self.registerPublicMethod('getObjectIdsWithParent')
commentsServer = CommentsServer()
if __name__ == '__main__':
commentsServer.launch(applicationName, applicationRole)