feat: 添加启动信息阶段

pkg/core/note.py

@@ -0,0 +1,44 @@
+from __future__ import annotations
+
+import abc
+import typing
+
+from . import app
+
+preregistered_notes: list[typing.Type[LaunchNote]] = []
+
+def note_class(name: str, number: int):
+    """注册一个启动信息
+    """
+    def decorator(cls: typing.Type[LaunchNote]) -> typing.Type[LaunchNote]:
+        cls.name = name
+        cls.number = number
+        preregistered_notes.append(cls)
+        return cls
+
+    return decorator
+
+
+class LaunchNote(abc.ABC):
+    """启动信息
+    """
+    name: str
+
+    number: int
+
+    ap: app.Application
+
+    def __init__(self, ap: app.Application):
+        self.ap = ap
+
+    @abc.abstractmethod
+    async def need_show(self) -> bool:
+        """判断当前环境是否需要显示此启动信息
+        """
+        pass
+
+    @abc.abstractmethod
+    async def yield_note(self) -> typing.AsyncGenerator[typing.Tuple[str, int], None]:
+        """生成启动信息
+        """
+        pass