From 07fec3aa5a7c9fb6b1f8bae6bf6773892a702ea0 Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Tue, 1 Aug 2006 18:49:24 +0000
Subject: os.urandom no longer masks unrelated exceptions like SystemExit or
 KeyboardInterrupt.

---
 Lib/os.py | 2 +-
 Misc/NEWS | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Lib/os.py b/Lib/os.py
index 31002ac..2d1b29b 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -723,7 +723,7 @@ if not _exists("urandom"):
         """
         try:
             _urandomfd = open("/dev/urandom", O_RDONLY)
-        except:
+        except (OSError, IOError):
             raise NotImplementedError("/dev/urandom (or equivalent) not found")
         bytes = ""
         while len(bytes) < n:
diff --git a/Misc/NEWS b/Misc/NEWS
index 9eeeff8..b498cc3 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -61,6 +61,9 @@ Core and builtins
 Library
 -------
 
+- os.urandom no longer masks unrelated exceptions like SystemExit or
+  KeyboardInterrupt.
+
 - Bug #1525866: Don't copy directory stat times in 
   shutil.copytree on Windows
 
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