bb.data_smart: use iter() for __len__

It seems the frozenset constructor in pypy runs len(), so we can't pass the
DataSmart instance directly to it, instead pass the iterator. Fixes pypy
support.

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/lib/bb/data_smart.py b/lib/bb/data_smart.py
index fa1e79427968ac208c0c9a8035304383180638e7..2ab884bb3923f738abf137057c9d824633244f11 100644 (file)
--- a/lib/bb/data_smart.py
+++ b/lib/bb/data_smart.py
@@ -917,7 +917,7 @@ class DataSmart(MutableMapping):
              yield k
 
     def __len__(self):
-        return len(frozenset(self))
+        return len(frozenset(iter(self)))
 
     def __getitem__(self, item):
         value = self.getVar(item, False)