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Thu Jan 27 22:47:03 CET 2011 · https://mail.python.org/pipermail/python-dev/2011-January/107722.html

Am 27.01.2011 20:06, schrieb Stefan Behnel:
> "Martin v. Löwis", 24.01.2011 21:17:
>> The Py_UNICODE type is still supported but deprecated. It is always
>> defined as a typedef for wchar_t, so the wstr representation can double
>> as Py_UNICODE representation.
> 
> It's too bad this isn't initialised by default, though. Py_UNICODE is
> the only representation that can be used efficiently from C code and
> Cython relies on it for fast text processing.

That's not true. The str representation can also be used efficiently from C.

> This proposal will
> therefore likely have a pretty negative performance impact on extensions
> written in Cython as the compiler could no longer expect this
> representation to be available instantaneously.

In any case, I've added this concern.

Regards,
Martin

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Showing content from https://mail.python.org/pipermail/python-dev/2011-January/107722.html below:

[Python-Dev] PEP 393: Flexible String Representation