mirror of
https://github.com/nonebot/nonebot2.git
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61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import re
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from typing import Union, Callable, Optional
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from nonebot.event import Event
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class Rule:
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def __init__(self, checker: Optional[Callable[[Event], bool]] = None):
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self.checker = checker or (lambda event: True)
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def __call__(self, event: Event) -> bool:
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return self.checker(event)
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def __and__(self, other: "Rule") -> "Rule":
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return Rule(lambda event: self.checker(event) and other.checker(event))
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def __or__(self, other: "Rule") -> "Rule":
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return Rule(lambda event: self.checker(event) or other.checker(event))
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def __neg__(self) -> "Rule":
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return Rule(lambda event: not self.checker(event))
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def user(*qq: int) -> Rule:
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return Rule(lambda event: event.user_id in qq)
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def private() -> Rule:
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return Rule(lambda event: event.detail_type == "private")
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def group(*group: int) -> Rule:
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return Rule(
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lambda event: event.detail_type == "group" and event.group_id in group)
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def discuss(*discuss: int) -> Rule:
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return Rule(lambda event: event.detail_type == "discuss" and event.
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discuss_id in discuss)
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def startswith(msg, start: int = None, end: int = None) -> Rule:
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return Rule(lambda event: event.message.startswith(msg, start, end))
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def endswith(msg, start: int = None, end: int = None) -> Rule:
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return Rule(lambda event: event.message.endswith(msg, start=None, end=None))
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def has(msg: str) -> Rule:
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return Rule(lambda event: msg in event.message)
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def regex(regex, flags: Union[int, re.RegexFlag] = 0) -> Rule:
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pattern = re.compile(regex, flags)
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return Rule(lambda event: bool(pattern.search(event.message)))
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