From c6772c4d592be2274a66ccd26b5956738fc6e4f8 Mon Sep 17 00:00:00 2001
From: R David Murray <rdmurray@bitdance.com>
Date: Thu, 26 Jun 2014 13:31:43 -0400
Subject: #21476: Unwrap fp in BytesParser so the file isn't unexpectedly
 closed.

This makes the behavior match that of Parser.  Patch by Vajrasky Kok.
---
 Lib/email/parser.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Lib/email/parser.py')

diff --git a/Lib/email/parser.py b/Lib/email/parser.py
index 9f5f95dfba..8c9bc9e44e 100644
--- a/Lib/email/parser.py
+++ b/Lib/email/parser.py
@@ -106,8 +106,10 @@ class BytesParser:
         meaning it parses the entire contents of the file.
         """
         fp = TextIOWrapper(fp, encoding='ascii', errors='surrogateescape')
-        with fp:
+        try:
             return self.parser.parse(fp, headersonly)
+        finally:
+            fp.detach()
 
 
     def parsebytes(self, text, headersonly=False):
-- 
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