From 85ca42405c1114111defb777cfd4f94725708b28 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Tue, 13 Oct 2009 02:35:24 +0000
Subject: [PATCH] Implement __len__.

svn path=/main/trunk/; revision=14598
---
 pym/_emerge/BlockerCache.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pym/_emerge/BlockerCache.py b/pym/_emerge/BlockerCache.py
index f88a7c43f..de3b65e22 100644
--- a/pym/_emerge/BlockerCache.py
+++ b/pym/_emerge/BlockerCache.py
@@ -165,6 +165,11 @@ class BlockerCache(portage.cache.mappings.MutableMapping):
 			return iter([])
 		return iter(self._cache_data["blockers"])
 
+	def __len__(self):
+		"""This needs to be implemented in order to avoid
+		infinite recursion in some cases."""
+		return len(self._cache_data["blockers"])
+
 	def __delitem__(self, cpv):
 		del self._cache_data["blockers"][cpv]
 
-- 
2.26.2