From 2f341cdba252e737fa0f59dcc0a0c03a8beeb80f Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Fri, 23 Mar 2007 00:16:32 +0000
Subject: [PATCH] Ignore non-existent directories for bug #171809.  This is
 required for readonly mode. (trunk r6264:6265)

svn path=/main/branches/2.1.2/; revision=6266
---
 pym/cache/flat_hash.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pym/cache/flat_hash.py b/pym/cache/flat_hash.py
index 48e8a175e..48145881c 100644
--- a/pym/cache/flat_hash.py
+++ b/pym/cache/flat_hash.py
@@ -107,7 +107,15 @@ class database(fs_template.FsBased):
 		dirs = [self.location]
 		len_base = len(self.location)
 		while len(dirs):
-			for l in os.listdir(dirs[0]):
+			try:
+				dir_list = os.listdir(dirs[0])
+			except OSError, e:
+				if e.errno != errno.ENOENT:
+					raise
+				del e
+				dirs.pop(0)
+				continue
+			for l in dir_list:
 				if l.endswith(".cpickle"):
 					continue
 				p = os.path.join(dirs[0],l)
-- 
2.26.2