[issue25863] ISO-2022 seeking forgets state

[Martin Panter]

Martin Panter added the comment:

After thinking about Issue 26158, I realize the seek() magic numbers don’t store any _encoder_ state, only _decoder_ state. That would explain the first bug (write, seek, then read). Though for this codec I suspect the decoder state is not recorded either, hence the bug with tell().

Personally I don’t care much for seeking text files. But if someone wanted to fix the second bug, that might require fixing the incremental decoder’s getstate() implementation.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25863>
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