From f5682690e98a943350b20438ee7b670265cf706a Mon Sep 17 00:00:00 2001
From: Wulian233 <1055917385@qq.com>
Date: Wed, 12 Feb 2025 20:18:38 +0800
Subject: [PATCH] Fixed `webbrowser.open` with `file:` URLs may launching
 editor instead of browser

---
 Lib/webbrowser.py                                           | 6 ++++++
 .../Library/2025-02-12-20-17-44.gh-issue-128540.veBJG_.rst  | 2 ++
 2 files changed, 8 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Library/2025-02-12-20-17-44.gh-issue-128540.veBJG_.rst

diff --git a/Lib/webbrowser.py b/Lib/webbrowser.py
index d2efc72113a917..d6118fd8d3e176 100644
--- a/Lib/webbrowser.py
+++ b/Lib/webbrowser.py
@@ -575,6 +575,8 @@ def register_standard_browsers():
     class WindowsDefault(BaseBrowser):
         def open(self, url, new=0, autoraise=True):
             sys.audit("webbrowser.open", url)
+            if url.startswith("file:"):
+                return False
             try:
                 os.startfile(url)
             except OSError:
@@ -595,6 +597,8 @@ def __init__(self, name='default'):
 
         def open(self, url, new=0, autoraise=True):
             sys.audit("webbrowser.open", url)
+            if url.startswith("file:"):
+                return False
             url = url.replace('"', '%22')
             if self.name == 'default':
                 script = f'open location "{url}"'  # opens in default browser
@@ -626,6 +630,8 @@ def open(self, url, new=0, autoraise=True):
     class IOSBrowser(BaseBrowser):
         def open(self, url, new=0, autoraise=True):
             sys.audit("webbrowser.open", url)
+            if url.startswith("file:"):
+                return False
             # If ctypes isn't available, we can't open a browser
             if objc is None:
                 return False
diff --git a/Misc/NEWS.d/next/Library/2025-02-12-20-17-44.gh-issue-128540.veBJG_.rst b/Misc/NEWS.d/next/Library/2025-02-12-20-17-44.gh-issue-128540.veBJG_.rst
new file mode 100644
index 00000000000000..40e216f7a3d716
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-02-12-20-17-44.gh-issue-128540.veBJG_.rst
@@ -0,0 +1,2 @@
+Fixed :func:`webbrowser.open` with ``file:`` URLs may launching editor
+instead of browser