admin.py 文件源码

def del_category(id):
    """Delete a category."""
    try:
        category = project_repo.get_category(id)
        if category:
            if len(cached_cat.get_all()) > 1:
                ensure_authorized_to('delete', category)
                if request.method == 'GET':
                    response = dict(template='admin/del_category.html',
                                    title=gettext('Delete Category'),
                                    category=category,
                                    form=dict(csrf=generate_csrf()))
                    return handle_content_type(response)
                if request.method == 'POST':
                    project_repo.delete_category(category)
                    msg = gettext("Category deleted")
                    flash(msg, 'success')
                    cached_cat.reset()
                    return redirect_content_type(url_for(".categories"))
            else:
                msg = gettext('Sorry, it is not possible to delete the only'
                              ' available category. You can modify it, '
                              ' click the edit button')
                flash(msg, 'warning')
                return redirect_content_type(url_for('.categories'))
        else:
            abort(404)
    except HTTPException:
        raise
    except Exception as e:  # pragma: no cover
        current_app.logger.error(e)
        return abort(500)