From 48bf3a74a8599aca7ddf8dfbb9d08d8cd5172d25 Mon Sep 17 00:00:00 2001 From: Damien George Date: Fri, 11 Apr 2025 12:23:33 +1000 Subject: [PATCH] inspect: Fix isgenerator logic. Also optimise both `isgenerator()` and `isgeneratorfunction()` so they use the same lambda, and don't have to create it each time they are called. Fixes issue #997. Signed-off-by: Damien George --- python-stdlib/inspect/inspect.py | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/python-stdlib/inspect/inspect.py b/python-stdlib/inspect/inspect.py index 06aba876..fb2ad885 100644 --- a/python-stdlib/inspect/inspect.py +++ b/python-stdlib/inspect/inspect.py @@ -1,5 +1,7 @@ import sys +_g = lambda: (yield) + def getmembers(obj, pred=None): res = [] @@ -16,11 +18,11 @@ def isfunction(obj): def isgeneratorfunction(obj): - return isinstance(obj, type(lambda: (yield))) + return isinstance(obj, type(_g)) def isgenerator(obj): - return isinstance(obj, type(lambda: (yield)())) + return isinstance(obj, type((_g)())) class _Class: