From: Raymond Hettinger <python@rcn.com>
Date: Sat, 8 May 2004 20:57:16 +0000 (+0000)
Subject: SF #950057:  itertools.chain doesn't "process" exceptions as they occur
X-Git-Tag: v2.3.4c1~30
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9fbc1610e45e020a90ab2a766f6d7eb46a203847;p=thirdparty%2FPython%2Fcpython.git

SF #950057:  itertools.chain doesn't "process" exceptions as they occur

Both cycle() and chain() were handling exceptions only when switching
input sources.  The patch makes the handle more immediate.
---

diff --git a/Misc/NEWS b/Misc/NEWS
index 8c3f56cef98d..c331a13b1131 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -42,6 +42,10 @@ Core and builtins
 Library
 -------
 
+- Bug #950057: itertools.chain() and itertools.cycle() now handle
+               exceptions immediately instead of waiting until the
+               input source is updated.
+
 - Bug #931848: Fix _sre.CODESIZE on 64-bit machines in UCS-4 mode.
 
 - Bug #938076: Consider output encoding in XMLGenerator.