From: Raymond Hettinger <python@rcn.com>
Date: Sun, 21 Aug 2005 11:27:35 +0000 (+0000)
Subject: SF bug #1249837:  container methods raise KeyError not IndexError
X-Git-Tag: v2.4.2c1~98
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4a439c2f964b539d7b8e1f3fd3b811586e34077;p=thirdparty%2FPython%2Fcpython.git

SF bug #1249837:  container methods raise KeyError not IndexError

Minor clarification.
---

diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex
index 67ffe9ea1ee6..d78e546bf59f 100644
--- a/Doc/ref/ref3.tex
+++ b/Doc/ref/ref3.tex
@@ -1658,6 +1658,8 @@ If \var{key} is of an inappropriate type, \exception{TypeError} may be
 raised; if of a value outside the set of indexes for the sequence
 (after any special interpretation of negative values),
 \exception{IndexError} should be raised.
+For mapping types, if \var{key} is missing (not in the container),
+\exception{KeyError} should be raised.                     
 \note{\keyword{for} loops expect that an
 \exception{IndexError} will be raised for illegal indexes to allow
 proper detection of the end of the sequence.}