From: Andrew M. Kuchling <amk@amk.ca>
Date: Sun, 6 Jun 2004 23:28:23 +0000 (+0000)
Subject: [Bug #953177] Mention .getlist(); text from Paul Moore
X-Git-Tag: v2.4a1~237
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=44cbfd7819fcc40209d8bcb960eccfa7237b1717;p=thirdparty%2FPython%2Fcpython.git

[Bug #953177] Mention .getlist(); text from Paul Moore
---

diff --git a/Doc/lib/libcgi.tex b/Doc/lib/libcgi.tex
index a14717ac887a..3cb07b2da3dd 100644
--- a/Doc/lib/libcgi.tex
+++ b/Doc/lib/libcgi.tex
@@ -135,19 +135,14 @@ instance but a list of such instances.  Similarly, in this situation,
 \samp{form.getvalue(\var{key})} would return a list of strings.
 If you expect this possibility
 (when your HTML form contains multiple fields with the same name), use
-the \function{isinstance()} built-in function to determine whether you
-have a single instance or a list of instances.  For example, this
+the \function{getlist()} function, which always returns a list of values (so that you
+do not need to special-case the single item case).  For example, this
 code concatenates any number of username fields, separated by
 commas:
 
 \begin{verbatim}
-value = form.getvalue("username", "")
-if isinstance(value, list):
-    # Multiple username fields specified
-    usernames = ",".join(value)
-else:
-    # Single or no username field specified
-    usernames = value
+value = form.getlist("username")
+usernames = ",".join(value)
 \end{verbatim}
 
 If a field represents an uploaded file, accessing the value via the