From b7cb1b83a8603407bc7c46f149300478b1d08b8a Mon Sep 17 00:00:00 2001
From: Pierre LALET <pierre.lalet@cea.fr>
Date: Wed, 4 Oct 2017 09:10:49 +0200
Subject: [PATCH] Fix get_temp_file() to use NamedTemporaryFile() properly

---
 scapy/utils.py | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/scapy/utils.py b/scapy/utils.py
index 28fa92c3c..d0213c315 100644
--- a/scapy/utils.py
+++ b/scapy/utils.py
@@ -33,11 +33,15 @@ from scapy.base_classes import BasePacketList
 ###########
 
 def get_temp_file(keep=False, autoext=""):
-    with tempfile.NamedTemporaryFile(prefix="scapy") as _f:
-        f = _f.name
+    """Create a temporary file and return its name. When keep is False,
+the file is deleted when scapy exits.
+
+    """
+    fname = tempfile.NamedTemporaryFile(prefix="scapy", suffix=autoext,
+                                        delete=False).name
     if not keep:
-        conf.temp_files.append(f+autoext)
-    return f + autoext
+        conf.temp_files.append(fname)
+    return fname
 
 def sane_color(x):
     r=""