mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-11-28 03:15:24 +08:00
91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
import asyncio
|
|
from typing import Callable
|
|
|
|
from aiocqhttp.message import *
|
|
|
|
from . import NoneBot
|
|
from .command import handle_command, SwitchException
|
|
from .log import logger
|
|
from .natural_language import handle_natural_language
|
|
from .typing import Context_T
|
|
|
|
_message_preprocessors = set()
|
|
|
|
|
|
def message_preprocessor(func: Callable) -> Callable:
|
|
_message_preprocessors.add(func)
|
|
return func
|
|
|
|
|
|
async def handle_message(bot: NoneBot, ctx: Context_T) -> None:
|
|
_log_message(ctx)
|
|
|
|
if not ctx['message']:
|
|
ctx['message'].append(MessageSegment.text(''))
|
|
|
|
coros = []
|
|
for processor in _message_preprocessors:
|
|
coros.append(processor(bot, ctx))
|
|
if coros:
|
|
await asyncio.wait(coros)
|
|
|
|
if 'to_me' not in ctx:
|
|
if ctx['message_type'] == 'private':
|
|
ctx['to_me'] = True
|
|
else:
|
|
# group or discuss
|
|
ctx['to_me'] = False
|
|
at_me_seg = MessageSegment.at(ctx['self_id'])
|
|
|
|
# check the first segment
|
|
first_msg_seg = ctx['message'][0]
|
|
if first_msg_seg == at_me_seg:
|
|
ctx['to_me'] = True
|
|
del ctx['message'][0]
|
|
|
|
if not ctx['to_me']:
|
|
# check the last segment
|
|
i = -1
|
|
last_msg_seg = ctx['message'][i]
|
|
if last_msg_seg.type == 'text' and \
|
|
not last_msg_seg.data['text'].strip() and \
|
|
len(ctx['message']) >= 2:
|
|
i -= 1
|
|
last_msg_seg = ctx['message'][i]
|
|
|
|
if last_msg_seg == at_me_seg:
|
|
ctx['to_me'] = True
|
|
del ctx['message'][i:]
|
|
|
|
if not ctx['message']:
|
|
ctx['message'].append(MessageSegment.text(''))
|
|
|
|
while True:
|
|
try:
|
|
handled = await handle_command(bot, ctx)
|
|
break
|
|
except SwitchException as e:
|
|
# we are sure that there is no session existing now
|
|
ctx['message'] = e.new_ctx_message
|
|
ctx['to_me'] = True
|
|
if handled:
|
|
logger.info(f'Message {ctx["message_id"]} is handled as a command')
|
|
return
|
|
|
|
handled = await handle_natural_language(bot, ctx)
|
|
if handled:
|
|
logger.info(f'Message {ctx["message_id"]} is handled '
|
|
f'as natural language')
|
|
return
|
|
|
|
|
|
def _log_message(ctx: Context_T) -> None:
|
|
msg_from = str(ctx['user_id'])
|
|
if ctx['message_type'] == 'group':
|
|
msg_from += f'@[群:{ctx["group_id"]}]'
|
|
elif ctx['message_type'] == 'discuss':
|
|
msg_from += f'@[讨论组:{ctx["discuss_id"]}]'
|
|
logger.info(f'Self: {ctx["self_id"]}, '
|
|
f'Message {ctx["message_id"]} from {msg_from}: '
|
|
f'{ctx["message"]}')
|