From: Christian Heimes <christian@cheimes.de>
Date: Mon, 31 Dec 2007 03:07:24 +0000 (+0000)
Subject: Don't close sys.stdin with quit() if sys.stdin wraps fd 0. Otherwise it will raise... 
X-Git-Tag: v3.0a3~273
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=862543aa85249b46649b60da96743b4b14c6c83b;p=thirdparty%2FPython%2Fcpython.git

Don't close sys.stdin with quit() if sys.stdin wraps fd 0. Otherwise it will raise a warning: Lib/io.py:1221: RuntimeWarning: Trying to close unclosable fd
---

diff --git a/Lib/site.py b/Lib/site.py
index 4d64d20ccf74..3ba42121f6b0 100644
--- a/Lib/site.py
+++ b/Lib/site.py
@@ -247,7 +247,12 @@ def setquit():
             # Shells like IDLE catch the SystemExit, but listen when their
             # stdin wrapper is closed.
             try:
-                sys.stdin.close()
+                fd = -1
+                if hasattr(sys.stdin, "fileno"):
+                    fd = sys.stdin.fileno()
+                if fd != 0:
+                    # Don't close stdin if it wraps fd 0
+                    sys.stdin.close()
             except:
                 pass
             raise SystemExit(code)