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""" Inserts the directory containing links to all Python-based tasks
    in the SALT tree to the default Python path.
"""
import os, sys
from pyraf import iraf 
import matplotlib
matplotlib.use('Agg')


# define and add path to top level Python directory in SALT

_path = iraf.osfn('pysalt$')
if _path not in sys.path:
    sys.path.insert(1,_path)

# define and add path to lib directory in SALT package

_path = iraf.osfn('pysalt$lib')
if _path not in sys.path:
    sys.path.insert(1,_path)

# define and add path to directories in SALT package

_path = iraf.osfn('pysalt$saltred')
if _path not in sys.path:
    sys.path.insert(1,_path)

_path = iraf.osfn('pysalt$slottools')
if _path not in sys.path:
    sys.path.insert(1,_path)

_path = iraf.osfn('pysalt$saltspec')
if _path not in sys.path:
    sys.path.insert(1,_path)

_path = iraf.osfn('pysalt$saltfp')
if _path not in sys.path:
    sys.path.insert(1,_path)

_path = iraf.osfn('pysalt$bvittools')
if _path not in sys.path:
    sys.path.insert(1,_path)

#add the proptools class
_path = iraf.osfn('pysalt$proptools')
if _path not in sys.path:
    sys.path.insert(1,_path)


#Add the plugin directory if it exists
_path = iraf.osfn('pysalt$plugins')
if _path not in sys.path and os.path.isdir(_path):
    sys.path.insert(1,_path)

#Add the plugin directory if it exists
_path = iraf.osfn('pysalt$saltfirst')
if _path not in sys.path and os.path.isdir(_path):
   sys.path.insert(1,_path)

#add the proptools class
_path = iraf.osfn('pysalt$salthrs')
if _path not in sys.path:
    sys.path.insert(1,_path)
