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authorGuido van Rossum <guido@python.org>1996-08-09 21:23:47 (GMT)
committerGuido van Rossum <guido@python.org>1996-08-09 21:23:47 (GMT)
commit12f0cc325a0cf5057f6d3563cfcb6ac243a44582 (patch)
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parent4a5b27b525a0cf6423edf5abe7e192355510c976 (diff)
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Suggest using default values for __init__ arguments to make classes
unpicklable.
Diffstat (limited to 'Doc/lib/libpickle.tex')
-rw-r--r--Doc/lib/libpickle.tex4
1 files changed, 3 insertions, 1 deletions
diff --git a/Doc/lib/libpickle.tex b/Doc/lib/libpickle.tex
index 579992f..128b29d 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__()}).