[issue6715] xz compressor support

Amaury Forgeot d'Arc report at bugs.python.org
Fri Nov 26 08:32:58 CET 2010

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

Careful: the ctypes module is much slower with pypy than with cpython.

In any case, a C extension module is preferred because the (platform-dependent) details of the liblzma library are defined in a .h header file, not as a ctypes description.  Future versions of the library are likely to be source-compatible, but may change some struct member for example; this would break a ctypes-based interface.


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