From 9acab4bf3f3e863d1bda7695d680bf1363d2c8c2 Mon Sep 17 00:00:00 2001
From: Will Toohey <will@mon.im>
Date: Wed, 2 Sep 2026 21:42:08 +1000
Subject: [PATCH] Fix race with parallel `mkdir_silent` and nested folders

---
 src/ifstools/utils.py | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/src/ifstools/utils.py b/src/ifstools/utils.py
index 90ce88f..9044ad6 100644
--- a/src/ifstools/utils.py
+++ b/src/ifstools/utils.py
@@ -1,21 +1,8 @@
-import errno
 import os
 
+
 def mkdir_silent(dir):
-    try: # python 3
-        FileExistsError
-        try:
-            os.mkdir(dir)
-        except FileExistsError:
-            pass
-    except NameError: # python 2
-        try:
-            os.mkdir(dir)
-        except OSError as e:
-            if e.errno == errno.EEXIST:
-                pass
-            else:
-                raise
+    os.makedirs(dir, exist_ok=True)
 
 def save_with_timestamp(filename, data, timestamp):
     mkdir_silent(os.path.dirname(filename))