#!/usr/bin/env python
# encoding: utf-8
#
# $Id$
# $URL$

"""
cfgfile.py

Created by Marcus Stoegbauer on 2013-01-12.
Copyright (c) 2013 __MyCompanyName__. All rights reserved.
"""
import ConfigParser

class Conf(object):
  confobj = ConfigParser.RawConfigParser()
  cfgfile = ''

  def __init__(self, filename = None):
    """if filename is set, open config file and initialize the ConfigParser
    """
    self.confobj = ConfigParser.RawConfigParser()
    if filename:
      self.setfilename(filename)
    # if filename
  # def __init__

  def setfilename(self, filename):
    """initialize the ConfigParser
    """
    ret = self.confobj.read(filename)
    if len(ret) == 0 or ret[0] != filename:
      raise Exception('Cannot read config file ' + filename)
    # if cannot read
    self.cfgfile = filename
  # def setfilename

  def get(self, section, option):
    """returns the value of option in section
    """
    if not self.cfgfile:
      raise Exception('No config file set')
    # if not cfgfile
    return self.confobj.get(section, option)
  # def get

  def set(self, section, option, value):
    """docstring for update"""
    self.confobj.set(section, option, value)
  # def set


  def getitems(self, section):
    """returns all items in section
    """
    if not self.cfgfile:
      raise Exception('No config file set')
    # if not cfgfile
    return self.confobj.items(section)
  # def getitems

  def check(self, section, option):
    """checks for option in section"""
    return self.confobj.has_option(section, option)
  # def check    
# class Conf