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glasnost/servers/SystemFilesServer/SystemFilesServer.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 System Files Server"""
__version__ = '$Revision$'[11:-2]
import fcntl
import os
from stat import *
import sys
glasnostPythonDir = '/usr/local/lib/glasnost-devel' # changed on make install
sys.path.insert(0, glasnostPythonDir)
import glasnost
from glasnost.common.SystemFilesCommon import *
import glasnost.common.faults as faults
import glasnost.common.xhtmlgenerator as X
from glasnost.server.ObjectsServer import register, ObjectServerMixin, \
AdminServerMixin, ObjectsServer
from glasnost.server.tools import *
from glasnost.proxy.DispatcherProxy import getApplicationId
applicationName = 'SystemFilesServer'
applicationRole = 'systemfiles'
dispatcher = None
class AdminSystemFiles(AdminServerMixin, AdminSystemFilesCommon):
pass
register(AdminSystemFiles)
class SystemFile(ObjectServerMixin, SystemFileCommon):
def acquireNonCore(self, objectDirectoryPath = None,
dataDirectoryPath = None, parentSlot = None):
ObjectServerMixin.acquireNonCore(
self, objectDirectoryPath = objectDirectoryPath,
dataDirectoryPath = dataDirectoryPath, parentSlot = parentSlot)
self.loadData()
def loadData(self):
dataFilePath = self.filePath
try:
dataFile = open(dataFilePath, 'rb')
except IOError:
if self.__dict__.has_key('data'):
del self.data
if self.__dict__.has_key('size'):
del self.size
else:
fcntl.lockf(dataFile, fcntl.LOCK_SH)
self.data = dataFile.read()
fcntl.lockf(dataFile, fcntl.LOCK_UN)
dataFile.close()
# XMLRPC doesn't implements the handling of long integers.
self.size = int(os.stat(dataFilePath)[ST_SIZE])
def releaseNonCore(self, parentSlot = None):
if self.__dict__.has_key('data'):
del self.data
ObjectServerMixin.releaseNonCore(self, parentSlot = parentSlot)
register(SystemFile)
class SystemFilesServer(SystemFilesCommonMixin, ObjectsServer):
def checkFilePath(self, filePath):
if not os.path.exists(filePath):
raise faults.NonExistentFilePath(filePath)
elif not os.path.isfile(filePath):
raise faults.NotAFile(filePath)
elif not os.access(filePath, os.R_OK):
raise faults.FileAccessDenied(filePath)
def registerPublicMethods(self):
ObjectsServer.registerPublicMethods(self)
self.registerPublicMethod('checkFilePath')
def repairVirtualServer(self, virtualServer, version):
changed = 0
if version < 4000:
changed = virtualServer.admin.repair(4000) or changed
for id, object in virtualServer.objects.items():
newId = repairId(id)
if newId:
changed = 1
del virtualServer.objects[id]
virtualServer.objects[newId] = object
changed = object.repair(4000) or changed
if not object.__dict__.has_key('language'):
changed = 1
object.language = 'fr'
if version < 5004:
changed = virtualServer.admin.repair(5004) or changed
for id, object in virtualServer.objects.items():
changed = object.repair(5004) or changed
if version <= 1012000:
admin = virtualServer.admin
if admin.id is None:
changed = 1
admin.id = '%s/__admin__' % virtualServer.virtualServerId
if changed:
virtualServer.markAllAsDirtyFIXME()
systemFilesServer = SystemFilesServer()
if __name__ == "__main__":
systemFilesServer.launch(applicationName, applicationRole)