Line correction

def _fix_lines (fileName):
  file = open(fileName,"r")
  lines = file.readlines()
  file.close()

  file = open(fileName,"w")

  level = 0
  for line in lines:
    line = line.strip()
    acceptableindex = line.find("#")
    if (acceptableindex == -1):
        acceptableindex = len(line)
    level -= line.count("try_end", 0, acceptableindex)
    level -= line.count("end_try", 0, acceptableindex)
    level -= line.count("else_try", 0, acceptableindex)
    newlevel = level
    level_positive_change = 0
    newlevel += line.count("else_try", 0, acceptableindex)
    newlevel += line.count("(", 0, acceptableindex)
    newlevel += line.count("[", 0, acceptableindex)
    newlevel += line.count("try_begin", 0, acceptableindex)
    newlevel += line.count("try_for", 0, acceptableindex)
    level_positive_change = newlevel - level
    newlevel -= line.count(")", 0, acceptableindex)
    newlevel -= line.count("]", 0, acceptableindex)
    if (level_positive_change == 0):
      level = newlevel
    for i in xrange(level):
      file.write("  ")
    level = newlevel
    file.write("%s\n"%line)
  file.close()


#_fix_lines("plugin_xxxxx.py")
#_fix_lines("plugin_yyyyyy.py")
#_fix_lines("plugin_zzzzzzz.py")