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# IVLE - Informatics Virtual Learning Environment
# Copyright (C) 2007-2009 The University of Melbourne
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# Author: Matt Giuca, Will Grant
"""
Database Classes and Utilities for Storm ORM
This module provides all of the classes which map to database tables.
It also provides miscellaneous utility functions for database interaction.
"""
from storm.locals import create_database, Store
import ivle.conf
def get_conn_string():
"""
Returns the Storm connection string, generated from the conf file.
"""
return "postgres://%s:%s@%s:%d/%s" % (ivle.conf.db_user,
ivle.conf.db_password, ivle.conf.db_host, ivle.conf.db_port,
ivle.conf.db_dbname)
def get_store():
"""
Open a database connection and transaction. Return a storm.store.Store
instance connected to the configured IVLE database.
"""
return Store(create_database(get_conn_string()))
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