utils.py 文件源码

def paginate_items(bot, update, chat_data, items, principal_property, backend_property, text, callback, additional_row=None):
    message = update.effective_message
    chat_id = message.chat_id
    markup = []
    first_message = bool(update.message)

    page = chat_data[message.message_id]['pages'] if not first_message else 1

    start = 10 * (page - 1) if page > 1 else 0
    end = start + 10 if start + 10 < len(items) else len(items)
    for i in range(start, end, 2):
        item1 = items[i]
        row = [InlineKeyboardButton(item1[principal_property],
                                    callback_data='%s_DETAIL_%s' % (callback, str(item1[backend_property])))]
        if i + 1 < len(items):
            item2 = items[i + 1]
            row.append(InlineKeyboardButton(item2[principal_property],
                                            callback_data='%s_DETAIL_%s' % (callback, str(item2[backend_property]))))
        markup.append(row)

    markup = markup_append_pagination(bot, update, items, markup, page, callback)

    if additional_row is not None:
        markup.append(additional_row)

    reply_markup = InlineKeyboardMarkup(markup)

    if len(items) == 0:
        text = _('No results')
    if not first_message:
        bot.edit_message_text(text, chat_id=chat_id, message_id=message.message_id, reply_markup=reply_markup,
                              parse_mode='Markdown')
    else:
        msg = bot.send_message(chat_id, text, disable_notification=True, reply_markup=reply_markup,
                               parse_mode='Markdown')
        chat_data[msg.message_id] = dict()
        chat_data[msg.message_id]['pages'] = page