'Get the relevant section in the template.'

def __getitem__(self, section):

    if (section not in self.SECTIONS):
        raise KeyError((_('"%s"    is    not    a    valid    template    section') % section))
    if (section in self.SECTIONS_NO_DIRECT_ACCESS):
        raise KeyError((_('Section    %s    can    not    be    accessed    directly.') % section))
    if (section == self.DESCRIPTION):
        default = 'No    description'
    else:
        default = {}
    return (self.t.get(section) or default)
