From e6728252a3598527bbda15c7ee17e03bf2c448f1 Mon Sep 17 00:00:00 2001
From: "Andrew M. Kuchling" <amk@amk.ca>
Date: Tue, 5 Sep 2006 13:19:18 +0000
Subject: [PATCH] [Bug #1526834] Fix crash in pdb when you do 'b f('; the
 function name was placed into a regex pattern and the unbalanced paren caused
 re.compile() to report an error

---
 Lib/pdb.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/pdb.py b/Lib/pdb.py
index 83884d7987f..dfa6fc8246e 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -23,7 +23,7 @@ __all__ = ["run", "pm", "Pdb", "runeval", "runctx", "runcall", "set_trace",
            "post_mortem", "help"]
 
 def find_function(funcname, filename):
-    cre = re.compile(r'def\s+%s\s*[(]' % funcname)
+    cre = re.compile(r'def\s+%s\s*[(]' % re.escape(funcname))
     try:
         fp = open(filename)
     except IOError: