if repos_path[0] != '/':

            repos_path[0] = '/'

        self.repos_path = os.path.join(*repos_path)

    def backup_repos(self):

        today = datetime.datetime.now().weekday() + 1

        self.backup_file_name = "mercurial_repos.%s.tar.gz" % today

        bckp_file = os.path.join(self.backup_file_path, self.backup_file_name)

        tar = tarfile.open(bckp_file, "w:gz")

        for dir_name in os.listdir(self.repos_path):

            logging.info('backing up %s', dir_name)

            tar.add(os.path.join(self.repos_path, dir_name), dir_name)

        tar.close()

        logging.info('finished backup of mercurial repositories')

    def transfer_files(self):

        params = {

                  'id_rsa_key': self.id_rsa_path,

                  'backup_file_path':self.backup_file_path,

                  'backup_file_name':self.backup_file_name,

                  }

               '%(backup_file_path)s/%(backup_file_name)s' % params,

               'root@192.168.2.102:/backups/mercurial' % params]

        subprocess.call(cmd)

        logging.info('Transfered file %s to %s', self.backup_file_name, cmd[4])

    def rm_file(self):

        logging.info('Removing file %s', self.backup_file_name)

        os.remove(os.path.join(self.backup_file_path, self.backup_file_name))

if __name__ == "__main__":

    B_MANAGER = BackupManager()

    B_MANAGER.backup_repos()

    B_MANAGER.transfer_files()

    B_MANAGER.rm_file()