optparser.py

##	common/optparser.py
##
## Gajim Team:
## 	- Yann Le Boulanger <asterix@lagaule.org>
## 	- Vincent Hanquez <tab@snarc.org>
##
##	Copyright (C) 2003-2005 Gajim Team
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published
## by the Free Software Foundation; version 2 only.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##

import logging, os, string

log = logging.getLogger('common.options')

class OptionsParser:
	def __init__(self, fname):
		self.__fname = os.path.expanduser(fname)
		self.tab = {}
	# END __init__

	def parseCfgFile(self):
		try:
			fd = open(self.__fname)
		except:
			print 'error cannot open file %s\n' % (self.__fname);
			return
    
		section = ''
		for line in fd.readlines():
			if line[0] in "#;":
				continue
			if line[0] == '[':
				section = line[1:line.find(']')]
				self.tab[section] = {}
				continue
			index = line.find('=')
			if index == -1:
				continue
			option = line[0:index]
			option = option.strip()
			value = line[index+2:-1]
			if string.find(option, 'password') == -1:
				try:
					i = string.atoi(value)
				except ValueError:
					self.tab[section][option] = value
				else:
					self.tab[section][option] = i
			else:
				self.tab[section][option] = value
		fd.close()
	# END parseCfgFile

	def __str__(self):
		return "OptionsParser"
	# END __str__

	def __getattr__(self, attr):
		if attr.startswith('__') and attr in self.__dict__.keys():
			return self.__dict__[attr]
		elif self.tab.has_key(attr):
			return self.tab[attr]
		else:
#			for key in self.__dict__.keys():
#				if key == attr:
#					return self.__dict__[attr]
			return None
	# END __getattr__

	def writeCfgFile(self):
		try:
			fd = open(self.__fname, 'w')
		except:
			log.debug("Can't write config %s" % self.__fname)
			return 0
		index = 0
		for s in self.tab.keys():
			if index == 0:
				fd.write('[' + s + ']\n')
			else:
				fd.write('\n[' + s + ']\n')
			for o in self.tab[s].keys():
				fd.write(o + ' = ' + str(self.tab[s][o]) + '\n')
			index += 1
		return 1
	# END writeCfgFile

	def stop(self):
		return self.writeCfgFile()
	# END stop
# END OptionsParser