From 95e93f0660b42e2a947e58d1f3a18159febeb660 Mon Sep 17 00:00:00 2001
From: donovan <donovan@ell-ee-dee.local>
Date: Mon, 5 Jan 2009 18:47:00 -0800
Subject: [PATCH] When a wsgi application gives a unicode object to the server,
 which the spec says causes undefined behavior, write a 500 error to the
 browser instead of just hanging forever.

---
 eventlet/wsgi.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/eventlet/wsgi.py b/eventlet/wsgi.py
index ca5458d..0613fc9 100644
--- a/eventlet/wsgi.py
+++ b/eventlet/wsgi.py
@@ -181,7 +181,10 @@ class HttpProtocol(BaseHTTPServer.BaseHTTPRequestHandler):
                 towrite.append(data)
             joined = ''.join(towrite)
             length[0] = length[0] + len(joined)
-            _write(joined)
+            try:
+                _write(joined)
+            except UnicodeEncodeError:
+                _write("HTTP/1.0 500 Internal Server Error\r\nConnection: close\r\nContent-type: text/plain\r\nContent-length: 98\r\n\r\nInternal Server Error: wsgi application passed a unicode object to the server instead of a string.")
 
         def start_response(status, response_headers, exc_info=None):
             status_code[0] = status.split()[0]