Propagate doc to CachedReadOnlyProperty

amorison · amorison · commit 42fa10fa0a7f · 2021-09-12T23:01:48.000+01:00
This allows `help()` and Sphinx to see the docstring defined for
`@crop` objects.
diff --git a/stagpy/misc.py b/stagpy/misc.py
@@ -136,6 +136,7 @@ def __init__(self, thunk):
         self._thunk = thunk
         self._name = thunk.__name__
         self._cache_name = f'_cropped_{self._name}'
+        self.__doc__ = thunk.__doc__
 
     def __get__(self, instance, _):
         try:
