Issue 8814: functools.wraps() did not copy __annotations__.
diff --git a/Lib/functools.py b/Lib/functools.py
index a54f030..103dd42 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -12,7 +12,7 @@
# update_wrapper() and wraps() are tools to help write
# wrapper functions that can handle naive introspection
-WRAPPER_ASSIGNMENTS = ('__module__', '__name__', '__doc__')
+WRAPPER_ASSIGNMENTS = ('__module__', '__name__', '__doc__', '__annotations__')
WRAPPER_UPDATES = ('__dict__',)
def update_wrapper(wrapper,
wrapped,
@@ -30,7 +30,8 @@
function (defaults to functools.WRAPPER_UPDATES)
"""
for attr in assigned:
- setattr(wrapper, attr, getattr(wrapped, attr))
+ if hasattr(wrapped, attr):
+ setattr(wrapper, attr, getattr(wrapped, attr))
for attr in updated:
getattr(wrapper, attr).update(getattr(wrapped, attr, {}))
# Return the wrapper so this can be used as a decorator via partial()