import os
import sys
import imp

# load script configuration parameters from PWD
# this will ensure that only the configredrfi.py file on current directory is 
# loaded
PWD = os.environ['PWD']

try:
    configredrfi = imp.load_source('configredrfi',
                             os.path.join(PWD, 'configredrfi.py'))
    from configredrfi import *
except IOError:
    error_message = """No configredrfi.py file was found in %s
use 'redrfi --help' for help\n""" % (PWD)
    sys.exit(error_message)


#-------------------------------------------------------------------------------
# Create folders if they don't existent 

for folder in [aips_output, plots_output, webpage_folder]:

    if not os.path.isdir(folder):

        print 'Folder "%s" does not exist' % (folder)
        create_folder = raw_input('Create folder [y]/n: ')
        
        if create_folder in ['y', '']:
            print 'Creating folder "%s"\n' % (folder)
            os.mkdir(folder,0777)