summaryrefslogtreecommitdiff
path: root/Lib/functools.py
diff options
context:
space:
mode:
Diffstat (limited to 'Lib/functools.py')
-rw-r--r--Lib/functools.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/Lib/functools.py b/Lib/functools.py
index a54f030832..103dd426e3 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -12,7 +12,7 @@ from _functools import partial, reduce
# 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 @@ def update_wrapper(wrapper,
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()