From: Guido van Rossum <guido@python.org>
Date: Fri, 9 Aug 1996 21:23:47 +0000 (+0000)
Subject: Suggest using default values for __init__ arguments to make classes
X-Git-Tag: v1.4b3~164
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=12f0cc325a0cf5057f6d3563cfcb6ac243a44582;p=python

Suggest using default values for __init__ arguments to make classes
unpicklable.
---

diff --git a/Doc/lib/libpickle.tex b/Doc/lib/libpickle.tex
index 579992f049..128b29de46 100644
--- a/Doc/lib/libpickle.tex
+++ b/Doc/lib/libpickle.tex
@@ -86,7 +86,9 @@ First of all, the class must be defined at the top level in a module.
 \renewcommand{\indexsubitem}{(pickle protocol)}
 
 Next, it must normally be possible to create class instances by
-calling the class without arguments.  If this is undesirable, the
+calling the class without arguments.  Usually, this is best
+accomplished by providing default values for all arguments to its
+\code{__init__} method (if it has one).  If this is undesirable, the
 class can define a method \code{__getinitargs__()}, which should
 return a {\em tuple} containing the arguments to be passed to the
 class constructor (\code{__init__()}).
diff --git a/Doc/libpickle.tex b/Doc/libpickle.tex
index 579992f049..128b29de46 100644
--- a/Doc/libpickle.tex
+++ b/Doc/libpickle.tex
@@ -86,7 +86,9 @@ First of all, the class must be defined at the top level in a module.
 \renewcommand{\indexsubitem}{(pickle protocol)}
 
 Next, it must normally be possible to create class instances by
-calling the class without arguments.  If this is undesirable, the
+calling the class without arguments.  Usually, this is best
+accomplished by providing default values for all arguments to its
+\code{__init__} method (if it has one).  If this is undesirable, the
 class can define a method \code{__getinitargs__()}, which should
 return a {\em tuple} containing the arguments to be passed to the
 class constructor (\code{__init__()}).