bpo-29418: Implement inspect.ismethodwrapper and fix inspect.isroutine for cases where methodwrapper is given (GH-19261)

Automerge-Triggered-By: GH:isidentical

1 files changed, 8 insertions, 0 deletions

diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst
index 711f510..7a6dc9c 100644
--- a/Doc/library/inspect.rst
+++ b/Doc/library/inspect.rst
@@ -429,6 +429,14 @@ attributes:
    Return ``True`` if the object is a built-in function or a bound built-in method.
 
 
+.. function:: ismethodwrapper(object)
+
+   Return ``True`` if the type of object is a :class:`~types.MethodWrapperType`.
+
+   These are instances of :class:`~types.MethodWrapperType`, such as :meth:`~object().__str__`,
+   :meth:`~object().__eq__` and :meth:`~object().__repr__`
+
+
 .. function:: isroutine(object)
 
    Return ``True`` if the object is a user-defined or built-in function or method.