From 42f5332f6de308c1d9b8f4df076aacf87d23ac11 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Thu, 29 Nov 2001 02:50:15 +0000
Subject: [PATCH] canonic(): don't use abspath() for filenames looking like
 <...>; this fixes the problem reported in SF bug #477023 (Jonathan Mark):
 "pdb: unexpected path confuses Emacs".

---
 Lib/bdb.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Lib/bdb.py b/Lib/bdb.py
index 7326a72d553..29cba8039f5 100644
--- a/Lib/bdb.py
+++ b/Lib/bdb.py
@@ -23,6 +23,8 @@ def __init__(self):
         self.fncache = {}
 
     def canonic(self, filename):
+        if filename == "<" + filename[1:-1] + ">":
+            return filename
         canonic = self.fncache.get(filename)
         if not canonic:
             canonic = os.path.abspath(filename)