Source code for linotp.lib.helpers

# -*- coding: utf-8 -*-
#
#    LinOTP - the open source solution for two factor authentication
#    Copyright (C) 2010 - 2014 LSE Leading Security Experts GmbH
#
#    This file is part of LinOTP server.
#
#    This program is free software: you can redistribute it and/or
#    modify it under the terms of the GNU Affero General Public
#    License, version 3, 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 Affero General Public License for more details.
#
#    You should have received a copy of the
#               GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#
#    E-mail: linotp@lsexperts.de
#    Contact: www.linotp.org
#    Support: www.lsexperts.de
#
"""Helper functions

Consists of functions to typically be used within templates, but also
available to Controllers. This module is available to templates as 'h'.
"""
# Import helpers as desired, or define your own, ie:
#from webhelpers.html.tags import checkbox, password

import logging


#CKO: depending on the version there are two different possible locations...
# see http://stackoverflow.com/questions/2219316/pylons-webhelpers-missing-secure-form-module
from linotp.lib.error import ParameterError


log = logging.getLogger(__name__)

def getParam(param, which, optional):
    if param.has_key(which):
        return  param[which]
    else:
        if (optional == False):
            raise ParameterError("Missing parameter: %r" % which, id=905)
    return