From: Raymond Hettinger <python@rcn.com>
Date: Sun, 21 Aug 2005 11:26:14 +0000 (+0000)
Subject: SF bug #1249837:  container methods raise KeyError not IndexError
X-Git-Tag: v2.5a0~1499
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a30616a88db1ccc481cd5c8e4b78652df5c0f8cf;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 6754c27ca4c0..46388b2faaeb 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.}