mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-11-24 09:05:04 +08:00
63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import asyncio
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from datetime import datetime
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from nonebot.log import logger
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from nonebot.matcher import matchers
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from nonebot.exception import IgnoredException
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from nonebot.typing import Bot, Set, Event, PreProcessor
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_event_preprocessors: Set[PreProcessor] = set()
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def event_preprocessor(func: PreProcessor) -> PreProcessor:
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_event_preprocessors.add(func)
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return func
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async def handle_event(bot: Bot, event: Event):
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coros = []
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for preprocessor in _event_preprocessors:
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coros.append(preprocessor(bot, event))
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if coros:
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try:
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await asyncio.gather(*coros)
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except IgnoredException:
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logger.info(f"Event {event} is ignored")
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return
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for priority in sorted(matchers.keys()):
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index = 0
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while index <= len(matchers[priority]):
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Matcher = matchers[priority][index]
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# Delete expired Matcher
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if datetime.now() > Matcher.expire_time:
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del matchers[priority][index]
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continue
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# Check rule
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try:
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if not await Matcher.check_rule(bot, event):
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index += 1
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continue
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except Exception as e:
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logger.error(
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f"Rule check failed for matcher {Matcher}. Ignored.")
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logger.exception(e)
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continue
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matcher = Matcher()
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# TODO: BeforeMatcherRun
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if Matcher.temp:
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del matchers[priority][index]
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try:
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await matcher.run(bot, event)
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except Exception as e:
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logger.error(f"Running matcher {matcher} failed.")
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logger.exception(e)
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return
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