#! /usr/bin/env python
#*******************************************************************************
# ALMA - Atacama Large Millimiter Array
# Copyright (c) European Southern Observatory, 2011 
# 
# This library 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.
# 
# This library 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 this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
#
# "@(#) $Id$"
#
# who       when      what
# --------  --------  ----------------------------------------------
# hyatagai  2009/09/18  Created.
#------------------------------------------------------------------------------
'''
This module is used to know the path of the directory contains ACS instances.

TODO:
- nada
'''
#------------------------------------------------------------------------------
__revision__ = "$Id: ACSPorts.py,v 1.7 2007/10/11 17:27:06 nbarriga Exp $"
#--REGULAR IMPORTS-------------------------------------------------------------
from os      import environ
import socket
#----------------------------------------------------------------------------
def getAcsTmpDirectoryPath():
    '''
    Returns the path of the directory contains ACS instances.
  
    Parameters: None
  
    Return: the path of the directory contains ACS instances.
    
    Raises: Nothing
    '''

    if environ.has_key('ACS_TMP'):
        ACS_TMP_DIR = str(environ['ACS_TMP'])
    else:
        hostname = socket.gethostname().split('.')[0]
        ACS_TMP_DIR = str(environ['ACSDATA']) + '/tmp/' + hostname

    return ACS_TMP_DIR