#!/usr/bin/python
import os, string, glob

def replace_var_with_arg(file, var, arg):
    X   =   open(file,'r').readlines()
    for i in range(len(X)):
        if X[i][0:len(var)] ==  var:
            splitted    =   X[i].split('=')
            splitted[1] =   arg.strip()+'\n'
            X[i]        =   string.join(splitted,'=')
            break
    open(file,'w').write(string.join(X,''))

def update_corpus(sphinxdir, sphinxfile):
    prevdir =   os.getcwd()
    os.chdir(sphinxdir)
    c   =   glob.glob('*.dic')
    m   =   0
    for file in c:
        n   =   os.path.getmtime(file)
        if n > m:
            n   =   m
            id  =   file.split('.')[0]
    replace_var_with_arg(sphinxfile, 'ID', id)
    os.chdir(prevdir)

################################################################################

if __name__ == '__main__':
    cwd         =   os.getcwd()
    sphinxfile  =   cwd+'/sphinx/sphinx2-simple'
    rcfile      =   cwd+'/psycherc'
    
    replace_var_with_arg(rcfile, 'PSYCHEPATH', cwd)
    replace_var_with_arg(sphinxfile, 'PSYCHEPATH', cwd)
    replace_var_with_arg(rcfile, 'sphinx', sphinxfile)
    update_corpus(cwd+'/sphinx', sphinxfile)