pickle/marshal internal format 'life expectancy'/backward compatibility

Philippe C. Martin · *nix forums Guru Wannabe Joined: 19 Feb 2005 Posts: 267

Hi,

I am looking into using the pickle format to store object/complex data
structures into a smart card as it would make the design of the embedded
application very simple.

Yet the card might have to stay in the pocket of the customer for a few
years, during which the back office application responsible for
retrieving the information from the card might evolve as well as the
python release it relies upon.

Is there a commitment for python releases to be able to interpret
'older' pickle/marshal internal formats ?

Regards,

Philippe

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Philippe C. Martin
SnakeCard LLC
www.snakecard.com
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