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35 lines
820 B
Python
35 lines
820 B
Python
from typing import Dict
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from nonebot.adapters import Event
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from nonebot.message import (
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IgnoredException,
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run_preprocessor,
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run_postprocessor,
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)
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_running_matcher: Dict[str, int] = {}
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@run_preprocessor
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async def preprocess(event: Event):
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try:
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session_id = event.get_session_id()
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except Exception:
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return
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current_event_id = id(event)
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event_id = _running_matcher.get(session_id, None)
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if event_id and event_id != current_event_id:
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raise IgnoredException("Another matcher running")
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_running_matcher[session_id] = current_event_id
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@run_postprocessor
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async def postprocess(event: Event):
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try:
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session_id = event.get_session_id()
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except Exception:
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return
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if session_id in _running_matcher:
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del _running_matcher[session_id]
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