############################################################################
# Copyright (c) 2011-2014 Saint-Petersburg Academic University
# All Rights Reserved
# See file LICENSE for details.
############################################################################

import os
import sys

# developers configuration
spades_home = os.path.abspath(os.path.dirname(os.path.realpath(__file__)))
bin_home = os.path.join(spades_home, 'bin')
python_modules_home = os.path.join(spades_home, 'src')
ext_python_modules_home = os.path.join(spades_home, 'ext', 'src', 'python_libs')
spades_version = ''

def init():
    global spades_home
    global bin_home
    global python_modules_home
    global spades_version
    global ext_python_modules_home

    # users configuration (spades_init.py and spades binary are in the same directory)
    if os.path.isfile(os.path.join(spades_home, 'spades')):
        install_prefix = os.path.dirname(spades_home)
        bin_home = os.path.join(install_prefix, 'bin')
        spades_home = os.path.join(install_prefix, 'share', 'spades')
        python_modules_home = spades_home
        ext_python_modules_home = spades_home

    sys.path.append(os.path.join(python_modules_home, 'spades_pipeline'))

    spades_version = open(os.path.join(spades_home, 'VERSION'), 'r').readline()