recover pickled data: pickle data was truncated

[Chris Angelico]

On Thu, Dec 30, 2021 at 4:32 AM iMath <redstone-cold at 163.com> wrote:
>
> > You have lost the data in that case.
>
> But I found the size of the file of the shelve data didn't change much, so I guess the data are still in it , I just wonder any way to recover my data.

Unless two conflicting versions got interleaved, in which case I
strongly advise you NOT to try unpickling it.

If you really feel like delving into it, try manually decoding the
pickle stream, but be very careful.

ChrisA