[issue11114] TextIOWrapper.tell extremely slow

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Here is a proof-of-concept patch for the pure Python version of TextIOWrapper.tell(). It turns the O(CHUNK_SIZE) operation into an O(1) operation most of time (still O(CHUNK_SIZE) worst-case - weird decoders and/or crazy input).

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keywords: +patch
Added file: http://bugs.python.org/file20676/textiotell.patch

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<http://bugs.python.org/issue11114>
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