[issue18003] New lzma crazy slow with line-oriented reading.

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Wrapping a raw LZMAFile in a BufferedReader is a simple solution. But I think about extending BufferedReader so that LZMAFile and BufferedReader could use a common buffer. Perhaps add a new method to BufferedIOBase which will be called when a buffer is underflowed. In BufferedIOBase it should call raw.read(), in LZMAFile it should call _fill_buffer().

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18003>
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