#!/usr/bin/env python

import os
import os.path
import shutil

#  For each itemhelp: line in a .GDEmenus item file,
# add a line that says itemopen:

def parsedir (rootdir):
    TEMPNAME = 'changegde_' + os.getpid() + '.temp'
    for file in os.listdir(rootdir):
        if os.path.isfile(file):
            if os.path.splitext(file)[1].upper() == '.item':
                infile = open(file, 'r')
                tfile = open(TEMPNAME, 'w')
                for line in infile:
                    tfile.write(line)
                    if (line.lower().startswith('itemhelp:')):
                        tfile.write('itemopen:gde_help_viewer.csh')
                infile.close()
                tfile.close()

                # double check that the path exists
                if os.path.exists(TEMPFILE):
                    os.remove(file)
                    shutil.move(TEMPFILE, file)
        else:
            parsedir(os.path.join(os.getcwd(), dir))

parsedir(os.getcwd())