#-*- mode: python; mode: fold -*-
# (C) Copyright 2005 The WAeUP group  <http://www.waeup.org>
# Author: Joachim Schmitz (js@aixtraware.de)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation.
#
# 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.
#
# $Id: SetupDemoDB.py 1877 2007-06-11 12:36:10Z joachim $
"""
remove Data from live db to make a demodb 
"""
import random

def removeStudents(self):
    "remove nearly all students to form a lightweight demodb"
    context = self.uniben
    wftool = context.portal_workflow
    mtool = context.portal_membership
    member = mtool.getAuthenticatedMember()
    roles = member.getRolesInContext(context)
    stdir = context.portal_directories.students
    students_catalog = context.students_catalog
    all = students_catalog()
    sample = random.sample(all,len(all) - 1000)
    #import pdb;pdb.set_trace()
    for s in sample:
        if s.matric_no:
            context.deleteStudentByMatricNo(s.matric_no)
        elif s.jamb_reg_no:
            context.deleteStudentByRegNo(s.jamb_reg_no)