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-rw-r--r--tools/cru-py/cru/_event.py61
1 files changed, 0 insertions, 61 deletions
diff --git a/tools/cru-py/cru/_event.py b/tools/cru-py/cru/_event.py
deleted file mode 100644
index 51a794c..0000000
--- a/tools/cru-py/cru/_event.py
+++ /dev/null
@@ -1,61 +0,0 @@
-from __future__ import annotations
-
-from collections.abc import Callable
-from typing import Generic, ParamSpec, TypeVar
-
-from .list import CruList
-
-_P = ParamSpec("_P")
-_R = TypeVar("_R")
-
-
-class CruEventHandlerToken(Generic[_P, _R]):
- def __init__(
- self, event: CruEvent, handler: Callable[_P, _R], once: bool = False
- ) -> None:
- self._event = event
- self._handler = handler
- self._once = once
-
- @property
- def event(self) -> CruEvent:
- return self._event
-
- @property
- def handler(self) -> Callable[_P, _R]:
- return self._handler
-
- @property
- def once(self) -> bool:
- return self._once
-
-
-class CruEvent(Generic[_P, _R]):
- def __init__(self, name: str) -> None:
- self._name = name
- self._tokens: CruList[CruEventHandlerToken] = CruList()
-
- def register(
- self, handler: Callable[_P, _R], once: bool = False
- ) -> CruEventHandlerToken:
- token = CruEventHandlerToken(self, handler, once)
- self._tokens.append(token)
- return token
-
- def unregister(self, *handlers: CruEventHandlerToken | Callable[_P, _R]) -> int:
- old_length = len(self._tokens)
- self._tokens.reset(
- self._tokens.as_cru_iterator().filter(
- (lambda t: t in handlers or t.handler in handlers)
- )
- )
- return old_length - len(self._tokens)
-
- def trigger(self, *args: _P.args, **kwargs: _P.kwargs) -> CruList[_R]:
- results = CruList(
- self._tokens.as_cru_iterator()
- .transform(lambda t: t.handler(*args, **kwargs))
- .to_list()
- )
- self._tokens.reset(self._tokens.as_cru_iterator().filter(lambda t: not t.once))
- return results