From 8d6e12c0beb7bb9900bc950bffd41b86bc838bb4 Mon Sep 17 00:00:00 2001
From: Isis Lovecruft <isis@torproject.org>
Date: Wed, 6 Mar 2013 17:39:21 +0000
Subject: [PATCH] Fix possible IOError due to second write() call in
 _copy_data().

 * Fixes #1931.
---
 gnupg.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gnupg.py b/gnupg.py
index 4a73164..bae7890 100644
--- a/gnupg.py
+++ b/gnupg.py
@@ -114,7 +114,11 @@ def _copy_data(instream, outstream):
         try:
             outstream.write(data)
         except UnicodeError:
-            outstream.write(data.encode(enc))
+            try:
+                outstream.write(data.encode(enc))
+            except IOError:
+                logger.exception('Error sending data: Broken pipe')
+                break
         except IOError:
             # Can sometimes get 'broken pipe' errors even when the
             # data has all been sent