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from .typing import Dict
from .logging import logger
import re
__all__ = ["Event", "events"]
class Events:
"""事件集合"""
_events: Dict[str, str] = {}
def regist(self, name: str, output: str) -> None:
self._events[name.lower()] = output
def process(self, name: str, **kwargs) -> str:
if string := self._events.get(name.lower()):
return self._format(string, **kwargs)
logger.warning(f"事件[{name.lower()}]不存在，将返回空字符串！")
return ""
def _format(self, string: str, **kwargs):
pattern = r"{(.*?)}"
values = re.findall(pattern, string)
for value in values:
kwarg = kwargs.get(value)
value = kwarg if kwarg else ""
string = re.sub(pattern, value, string)
return string
class Event:
"""事件基类"""
name: str
output: str
def __init_subclass__(cls) -> None:
events.regist(cls.name, cls.output)
events = Events()
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