[c-c list] don't crash if there are no 'version' attribute in pkginfo
# pylint: disable=W0401,W0614# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr## This file is part of CubicWeb.## CubicWeb is free software: you can redistribute it and/or modify it under the# terms of the GNU Lesser General Public License as published by the Free# Software Foundation, either version 2.1 of the License, or (at your option)# any later version.## CubicWeb 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 Lesser General Public License for more# details.## You should have received a copy of the GNU Lesser General Public License along# with CubicWeb. If not, see <http://www.gnu.org/licenses/>."""exceptions used in the core of the CubicWeb web application"""__docformat__="restructuredtext en"fromcubicweb._exceptionsimport*fromcubicweb.utilsimportjson_dumpsclassPublishException(CubicWebException):"""base class for publishing related exception"""classRequestError(PublishException):"""raised when a request can't be served because of a bad input"""classNothingToEdit(RequestError):"""raised when an edit request doesn't specify any eid to edit"""classProcessFormError(RequestError):"""raised when posted data can't be processed by the corresponding field """classNotFound(RequestError):"""raised when a 404 error should be returned"""classRedirect(PublishException):"""raised to redirect the http request"""def__init__(self,location):self.location=locationclassDirectResponse(Exception):def__init__(self,response):self.response=responseclassStatusResponse(Exception):def__init__(self,status,content=''):self.status=int(status)self.content=contentclassInvalidSession(CubicWebException):"""raised when a session id is found but associated session is not found or invalid """classRemoteCallFailed(RequestError):"""raised when a json remote call fails """def__init__(self,reason=''):super(RemoteCallFailed,self).__init__()self.reason=reasondefdumps(self):returnjson_dumps({'reason':self.reason})classLogOut(PublishException):"""raised to ask for deauthentication of a logged in user"""def__init__(self,url):super(LogOut,self).__init__()self.url=url