[smart] Smart issue #193

[Gustavo Niemeyer]

Hello,

Can you please try the attached patch?

It will be integrated in the next version, which will be
released in the near future.

Thanks,

-- 
Gustavo Niemeyer
http://niemeyer.net
-------------- next part --------------
Index: smart/backends/rpm/pm.py
===================================================================
--- smart/backends/rpm/pm.py	(revision 617)
+++ smart/backends/rpm/pm.py	(working copy)
@@ -232,8 +232,10 @@
             else:
                 if self.rpmout:
                     self.rpmoutlock.release()
-                    self._rpmout()
-                    self.rpmoutlock.acquire()
+                    try:
+                        self._rpmout()
+                    finally:
+                        self.rpmoutlock.acquire()
                     os.dup2(sys.stdout.fileno(), 1)
                     os.dup2(sys.stderr.fileno(), 2)
                     sys.stdout = self.stdout
Index: smart/util/protectedread.py
===================================================================
--- smart/util/protectedread.py	(revision 617)
+++ smart/util/protectedread.py	(working copy)
@@ -22,6 +22,8 @@
 import codecs
 
 def protectedread(self, size=-1, chars=-1):
+    if not hasattr(self, "charbuffer"):
+        self.charbuffer = u""
     while True:
         if chars < 0:
             if self.charbuffer: