[Python-Dev] PEP 3154 - pickle protocol 4 (original) (raw)

Alexandre Vassalotti alexandre at peadrop.com
Mon Aug 15 21:56:14 CEST 2011

On Fri, Aug 12, 2011 at 3:58 AM, Antoine Pitrou <solipsis at pitrou.net> wrote:

Hello, This PEP is an attempt to foster a number of small incremental improvements in a future pickle protocol version. The PEP process is used in order to gather as many improvements as possible, because the introduction of a new protocol version should be a rare occurrence. Feel free to suggest any additions. Your propositions sound all good to me. We will need to agree about the details, but I believe these improvements to the current protocol will be appreciated.

Also, one thing keeps coming back is the need for pickling functions and methods which are not part of the global namespace (e.g. issue 9276<http://bugs.python.org/issue9276>). Support for this would likely help us fixing another related namespace issue (i.e., issue 3657 <http://bugs.python.org/issue3657%C2%A0>). Finally, we currently missing support for pickling classes with new taking keyword-only arguments (i.e. issue 4727 <http://bugs.python.org/issue4727>).

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