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import re
from nonebot import on_command, CommandSession
@on_command('weather', aliases=['天气', '查天气', '天气查询'])
async def weather(session: CommandSession):
city = session.get('city', prompt='你想查哪个城市呢？')
date = session.get('date', prompt='你想查哪一天呢？(格式:20200427)')
await session.send('你查询的情况如下' + city)
await session.send('你想查询的日期' + date)
@weather.args_parser
async def _(session: CommandSession):
if session.is_first_run:
return
if session.current_key == 'date':
if not re.fullmatch(r'\d{8}', session.current_arg_text):
session.pause('日期格式有误，请重新输入')
session.args[session.current_key] = session.current_arg_text
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