From 4cfa24757b2f0946994aaa96ca5e135d30b49de3 Mon Sep 17 00:00:00 2001
From: Brett Cannon <bcannon@gmail.com>
Date: Tue, 22 Feb 2011 19:12:43 +0000
Subject: [PATCH] Add lib2to3.__main__ to make it easier for debugging purposes
 to run 2to3.

---
 Lib/lib2to3/__main__.py | 4 ++++
 Tools/scripts/2to3      | 5 ++---
 2 files changed, 6 insertions(+), 3 deletions(-)
 create mode 100644 Lib/lib2to3/__main__.py

diff --git a/Lib/lib2to3/__main__.py b/Lib/lib2to3/__main__.py
new file mode 100644
index 00000000000..80688baf27a
--- /dev/null
+++ b/Lib/lib2to3/__main__.py
@@ -0,0 +1,4 @@
+import sys
+from .main import main
+
+sys.exit(main("lib2to3.fixes"))
diff --git a/Tools/scripts/2to3 b/Tools/scripts/2to3
index fbd4aa6b838..2eb5dad00a4 100755
--- a/Tools/scripts/2to3
+++ b/Tools/scripts/2to3
@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-import sys
-from lib2to3.main import main
+import runpy
 
-sys.exit(main("lib2to3.fixes"))
+runpy.run_module('lib2to3', run_name='__main__', alter_sys=True)