[issue13797] Allow objects implemented in pure Python to export PEP 3118 buffers

[Stefan Behnel]

Stefan Behnel <scoder at users.sourceforge.net> added the comment:

FWIW, Cython lets user code implement the buffer interface for extension types using the special methods "__getbuffer__()" and "__releasebuffer__()", so providing the same methods (although with a different signature) also for normal Python types would IMHO fit nicely.

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nosy: +scoder

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<http://bugs.python.org/issue13797>
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