feat: P0/P1/P2全部功能 — 四层泳道/视角切换/KPI看板/预警/差异反打/预算/知识面板/回顾会/情景预测/Excel导入/角色权限

backend/venv/lib/python3.12/site-packages/PIL/_util.py

@@ -0,0 +1,29 @@
+from __future__ import annotations
+
+import os
+
+TYPE_CHECKING = False
+if TYPE_CHECKING:
+    from typing import Any, NoReturn, TypeGuard
+
+    from ._typing import StrOrBytesPath
+
+
+def is_path(f: Any) -> TypeGuard[StrOrBytesPath]:
+    return isinstance(f, (bytes, str, os.PathLike))
+
+
+class DeferredError:
+    def __init__(self, ex: BaseException):
+        self.ex = ex
+
+    def __getattr__(self, elt: str) -> NoReturn:
+        raise self.ex
+
+    @staticmethod
+    def new(ex: BaseException) -> Any:
+        """
+        Creates an object that raises the wrapped exception ``ex`` when used,
+        and casts it to :py:obj:`~typing.Any` type.
+        """
+        return DeferredError(ex)