[Python-Dev] Accepting PEP 3154 for 3.4? (original) (raw)

Guido van Rossum guido at python.org
Mon Nov 18 16:48:27 CET 2013

On Mon, Nov 18, 2013 at 3:28 AM, Serhiy Storchaka <storchaka at gmail.com>wrote:

18.11.13 07:53, Tim Peters написав(ла):

- Some easy sanity checking due to the tiny redundancy (if the byte immediately following the current frame is not a FRAME opcode, the pickle is corrupt; and also corrupt if a FRAME opcode is encountered inside the current frame).

For efficient unpickling a FRAME opcode followed by 8-byte count should be last thing in a frame (unless it is a last frame).

I don't understand that.

Clearly the framing is the weakest point of the PEP (== elicits the most bikeshedding). I am also unsure about the value of framing when pickles are written to strings.

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