old_contents: # -*- coding: utf-8 -*-
  
  """
  Copyright(C) 2010  Christophe Benz
  
  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 3 of the License.
  
  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.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  
  """
  
  from weboob.capabilities.bank import ICapBank
  from weboob.tools.application import BaseApplication
  
  class MonFric(BaseApplication):
      APPNAME = 'monfric'
      CONFIG = dict(backend='', account='')
  
      def main(self, argv):
          self.load_config()
          requested_backend = self.config.get('backend')
          requested_account = self.config.get('account')
          if not requested_backend or not requested_account :
              raise Exception(u'Please provide "backend" and "account" keys in config file "%s"' % self.config.path)
          self.weboob.load_backends(ICapBank)
          for account in self.weboob.backends[requested_backend].iter_accounts():
              if account.label == requested_account:
                  print account.balance
  
new_contents: # -*- coding: utf-8 -*-
  
  """
  Copyright(C) 2010  Christophe Benz
  
  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 3 of the License.
  
  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.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  
  """
  
  from weboob.capabilities.bank import ICapBank
  from weboob.tools.application import BaseApplication, ConfigError
  
  class MonFric(BaseApplication):
      APPNAME = 'monfric'
      CONFIG = dict(backend='', account='')
  
      def main(self, argv):
          self.load_config()
          requested_backend = self.config.get('backend')
          requested_account = self.config.get('account')
          if not requested_backend or not requested_account :
              raise ConfigError(u'Please provide "backend" and "account" keys in config file "%s".' % self.config.path)
          self.weboob.load_backends(ICapBank)
          for account in self.weboob.backends[requested_backend].iter_accounts():
              if account.label == requested_account:
                  print account.balance
  
subject: raise ConfigError instead of Exception