2025-12-01

scripts/addons/Rokoko Libraries/python311/graphql/pyutils/cached_property.py

@@ -0,0 +1,35 @@
+from typing import Any, Callable, TYPE_CHECKING
+
+if TYPE_CHECKING:
+    standard_cached_property = None
+else:
+    try:
+        from functools import cached_property as standard_cached_property
+    except ImportError:  # Python < 3.8
+        standard_cached_property = None
+
+if standard_cached_property:
+    cached_property = standard_cached_property
+else:
+    # Code taken from https://github.com/bottlepy/bottle
+
+    class CachedProperty:
+        """A cached property.
+
+        A property that is only computed once per instance and then replaces itself with
+        an ordinary attribute. Deleting the attribute resets the property.
+        """
+
+        def __init__(self, func: Callable) -> None:
+            self.__doc__ = getattr(func, "__doc__")
+            self.func = func
+
+        def __get__(self, obj: object, cls: type) -> Any:
+            if obj is None:
+                return self
+            value = obj.__dict__[self.func.__name__] = self.func(obj)
+            return value
+
+    cached_property = CachedProperty
+
+__all__ = ["cached_property"]