root/branches/gajim_0.2-1/common/optparser.py

#!/usr/bin/env python
##      common/optparser.py
##
## Gajim Team:
##      - Yann Le Boulanger <asterix@crans.org>
##      - Vincent Hanquez <tab@tuxfamily.org>
##
##      Copyright (C) 2003 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 ConfigParser, logging, os, string

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

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

        def parseCfgFile(self):
                try:
                        self.__fd = open(self.__fname)
                except:
                        print 'error cannot open file %s\n' % (self.__fname);
                        return
    
                self.readfp(self.__fd)
                self.__sections = self.sections()

                for section in self.__sections:
                        self.tab[section] = {}
                        for option in self.options(section):
                                value = self.get(section, option, 1)
                                #convert to int options than can be
                                try:
                                        i = string.atoi(value)
                                except ValueError:
                                        self.tab[section][option] = value
                                else:
                                        self.tab[section][option] = i

#                               setattr(self, str(section) + '_' + \
#                                       str(option), value)
        # 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):
                #Remove all sections
                for s in self.sections():
                        self.remove_section(s)
                #recreate sections
                for s in self.tab.keys():
                        self.add_section(s)
                        for o in self.tab[s].keys():
                                self.set(s, o, self.tab[s][o])
                try:
                        self.write(open(self.__fname, 'w'))
                except:
                        log.debug("Can't write config %s" % self.__fname)
                        return 0
                return 1
        # END writeCfgFile

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