Amaury Forgeot d'Arc wrote:
> Hi,
>
> 2010/9/7 M.-A. Lemburg <m...@egenix.com>:
>>> Ok. I'm fine with excluding Py_UNICODE from the stable ABI. However,
>>> I think in the long run, I guess more support for wchar_t will then
>>> be needed in the API, e.g. more convenient argument parsing.
>>
>> Sure, we could add that.
>
> Just to be clear: does this mean that PyUnicode_FromUnicode() and
> PyUnicode_AsUnicode() won't belong to the stable ABI?
As I understood Martin's comment Py_UNICODE would not be part
of the ABI in the sense that you can access the Py_UNICODE
data from within the extension module.
It should still be fine, passing around opaque Py_UNICODE
buffers.
> PyUnicode_AsWideChar() is not as fast, because it needs to copy the data.
True.
Also see this patch which tries to address the issue:
http://bugs.python.org/issue8654
With the terminology used there, the stable ABI would implicitly
have Py_UNICODE_AGNOSTIC set - and then prevent exposing the
structure of Py_UNICODE* buffers while still allowing to pass
them around.
--
Marc-Andre Lemburg
eGenix.com
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