config.py

Unix下的MUD客户端程序

import os
import re

primary_config_file_path = os.environ["HOME"] + "/.mcl/config.python"
secondary_config_file_path = os.environ["HOME"] + "/.mcl/config"
AutoLoad = {}
AutoSave = []
loading = 0

def load_configuration():
  global loading
  try:
    config_file = open(primary_config_file_path, "r")
  except IOError:
    try:
      config_file = open(secondary_config_file_path, "r")
    except IOError:
      return

  config_re_regex = re.compile(r"(\w+)\s*(.*)")
  
  loading = 1
  while 1:
    curr_line = config_file.readline()    
    if curr_line == "":
      break
    if curr_line[0] == "#" or curr_line[0] == "\n":
      continue     
    config_re_match = config_re_regex.search(curr_line)
    if config_re_match:
      if AutoLoad.has_key(config_re_match.group(1)):
        AutoLoad[config_re_match.group(1)](config_re_match.group(2))
    else:
      print "Unsupported keyword found in config file"
  
  config_file.close()
  loading = 0

def load_add(name, function):
  global AutoLoad
  AutoLoad[name] = function

def save_add(function):
  global AutoSave
  AutoSave.append(function)  

def save_configuration():
  try:
    config_file = open(primary_config_file_path, "w")
  except IOError:
    return

  config_file.write("# mcl module config file generated by mcl\n")
  for save_func in AutoSave:
    save_func(config_file)
  config_file.close()