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Diffstat (limited to 'Doc/lib/libpickle.tex')
| -rw-r--r-- | Doc/lib/libpickle.tex | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/Doc/lib/libpickle.tex b/Doc/lib/libpickle.tex index dc6edff..d4a54cd 100644 --- a/Doc/lib/libpickle.tex +++ b/Doc/lib/libpickle.tex @@ -237,15 +237,20 @@ remembers which objects the pickler has already seen, so that shared or recursive objects pickled by reference and not by value. This method is useful when re-using picklers. -\strong{Note:} \method{clear_memo()} is only available on the picklers -created by \module{cPickle}. In the \module{pickle} module, picklers -have an instance variable called \member{memo} which is a Python -dictionary. So to clear the memo for a \module{pickle} module +\begin{notice} +Prior to Python 2.3, \method{clear_memo()} was only available on the +picklers created by \refmodule{cPickle}. In the \module{pickle} module, +picklers have an instance variable called \member{memo} which is a +Python dictionary. So to clear the memo for a \module{pickle} module pickler, you could do the following: \begin{verbatim} mypickler.memo.clear() \end{verbatim} + +Code that does not need to support older versions of Python should +simply use \method{clear_memo()}. +\end{notice} \end{methoddesc} It is possible to make multiple calls to the \method{dump()} method of |