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Patch 533291. Deprecate None return form of __reduce__.

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Raymond Hettinger 2002-05-21 17:22:02 +00:00
parent 7f7d5bf438
commit 97394bc795
2 changed files with 12 additions and 4 deletions
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12
Doc/lib/libpickle.tex
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@ -444,6 +444,7 @@ or three, with the following semantics:
by name.
\item A tuple of arguments for the callable object, or \code{None}.
\deprecated{2.3}{Use the tuple of arguments instead}
\item Optionally, the object's state, which will be passed to
the object's \method{__setstate__()} method as described in
@ -456,10 +457,13 @@ or three, with the following semantics:
Upon unpickling, the callable will be called (provided that it meets
the above criteria), passing in the tuple of arguments; it should
return the unpickled object. If the second item was \code{None}, then
instead of calling the callable directly, its \method{__basicnew__()}
method is called without arguments. It should also return the
unpickled object.
return the unpickled object.
If the second item was \code{None}, then instead of calling the
callable directly, its \method{__basicnew__()} method is called
without arguments. It should also return the unpickled object.
\deprecated{2.3}{Use the tuple of arguments instead}
An alternative to implementing a \method{__reduce__()} method on the
object to be pickled, is to register the callable with the