From: Jeremy Sowden <jeremy@azazel.net>
Date: Wed, 4 Mar 2026 18:13:03 +0000 (+0000)
Subject: tests: iptables-test, xlate-test: use `os.unshare` Python function
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=4986dbaefd1c8b79de92f7d8ac2aea5de04b029e;p=thirdparty%2Fiptables.git

tests: iptables-test, xlate-test: use `os.unshare` Python function

Since Python 3.12 the standard library has included an `os.unshare` function.
Use it if it is available.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Phil Sutter <phil@nwl.cc>
---

diff --git a/iptables-test.py b/iptables-test.py
index 66db5521..40ed7703 100755
--- a/iptables-test.py
+++ b/iptables-test.py
@@ -572,7 +572,14 @@ def show_missing():
     print('\n'.join(missing))
 
 def spawn_netns():
-    # prefer unshare module
+    # prefer stdlib unshare function ...
+    try:
+        os.unshare(os.CLONE_NEWNET)
+        return True
+    except Exception as e:
+        pass
+
+    # ... or unshare module
     try:
         import unshare
         unshare.unshare(unshare.CLONE_NEWNET)
diff --git a/xlate-test.py b/xlate-test.py
index 1c8cfe71..24785293 100755
--- a/xlate-test.py
+++ b/xlate-test.py
@@ -203,7 +203,14 @@ def load_test_files():
 
 
 def spawn_netns():
-    # prefer unshare module
+    # prefer stdlib unshare function ...
+    try:
+        os.unshare(os.CLONE_NEWNET)
+        return True
+    except Exception as e:
+        pass
+
+    # ... or unshare module
     try:
         import unshare
         unshare.unshare(unshare.CLONE_NEWNET)