From 9f14eeee43c2ecd82291c5d07bb4d5d977c026e1 Mon Sep 17 00:00:00 2001
From: Sebastian Ruiz <sruiz@mailbox.org>
Date: Fri, 25 Feb 2022 15:32:14 +0100
Subject: [PATCH] images are sorted based on number in the image name, so that
 the order is also preserved without padding like  0001.png etc...

---
 labelme/app.py | 3 ++-
 setup.py       | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/labelme/app.py b/labelme/app.py
index 43cf86aaa..f72971b66 100644
--- a/labelme/app.py
+++ b/labelme/app.py
@@ -6,6 +6,7 @@
 import os.path as osp
 import re
 import webbrowser
+import regex
 
 import imgviz
 from qtpy import QtCore
@@ -2075,5 +2076,5 @@ def scanAllImages(self, folderPath):
                 if file.lower().endswith(tuple(extensions)):
                     relativePath = osp.join(root, file)
                     images.append(relativePath)
-        images.sort(key=lambda x: x.lower())
+        images.sort(key=lambda f: int(regex.sub('\D', '', f.lower())))
         return images
diff --git a/setup.py b/setup.py
index cd8fa90ae..02cf37721 100644
--- a/setup.py
+++ b/setup.py
@@ -36,6 +36,7 @@ def get_install_requires():
         "PyYAML",
         "qtpy!=1.11.2",
         "termcolor",
+        "regex",
     ]
 
     # Find python binding for qt with priority: