From 06c45e6e9c9e199a39b874338fe7cdd21d1925b2 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Thu, 11 Feb 2016 13:29:28 +0200
Subject: Issue #25995: os.walk() no longer uses FDs proportional to the tree
 depth.

---
 Lib/os.py | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

(limited to 'Lib/os.py')

diff --git a/Lib/os.py b/Lib/os.py
index 674a7d7efd..a49e7ce456 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -369,22 +369,13 @@ def walk(top, topdown=True, onerror=None, followlinks=False):
             # Note that scandir is global in this module due
             # to earlier import-*.
             scandir_it = scandir(top)
+        entries = list(scandir(top))
     except OSError as error:
         if onerror is not None:
             onerror(error)
         return
 
-    while True:
-        try:
-            try:
-                entry = next(scandir_it)
-            except StopIteration:
-                break
-        except OSError as error:
-            if onerror is not None:
-                onerror(error)
-            return
-
+    for entry in entries:
         try:
             is_dir = entry.is_dir()
         except OSError:
-- 
cgit v1.2.1