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| -rw-r--r-- | Doc/library/pickle.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Doc/library/pickle.rst b/Doc/library/pickle.rst index 71fe3743c59..66aa51ceb84 100644 --- a/Doc/library/pickle.rst +++ b/Doc/library/pickle.rst @@ -401,6 +401,15 @@ The :mod:`pickle` module exports three classes, :class:`Pickler`, Use :func:`pickletools.optimize` if you need more compact pickles. + .. method:: clear_memo() + + Clears the pickler's "memo". + + The memo is the data structure that remembers which objects the + pickler has already seen, so that shared or recursive objects + are pickled by reference and not by value. This method is + useful when re-using picklers. + .. class:: Unpickler(file, *, fix_imports=True, encoding="ASCII", errors="strict", buffers=None) |