diff options
Diffstat (limited to 'Doc/library')
| -rw-r--r-- | Doc/library/pickle.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Doc/library/pickle.rst b/Doc/library/pickle.rst index eb58178e0e..779b60ed4d 100644 --- a/Doc/library/pickle.rst +++ b/Doc/library/pickle.rst @@ -136,7 +136,7 @@ The module :mod:`pickletools` contains tools for analyzing data streams generated by :mod:`pickle`. :mod:`pickletools` source code has extensive comments about opcodes used by pickle protocols. -There are currently 5 different protocols which can be used for pickling. +There are currently 6 different protocols which can be used for pickling. The higher the protocol used, the more recent the version of Python needed to read the pickle produced. @@ -160,6 +160,10 @@ to read the pickle produced. Refer to :pep:`3154` for information about improvements brought by protocol 4. +* Protocol version 5 was added in Python 3.8. It adds support for out-of-band + data and speedup for in-band data. Refer to :pep:`574` for information about + improvements brought by protocol 5. + .. note:: Serialization is a more primitive notion than persistence; although :mod:`pickle` reads and writes file objects, it does not handle the issue of |