On 09/05/2014 00:10, Simon wrote:
I'd like to make a C memory buffer available inside Python via the Python C/API
without copying that memory into Python. How to do this? I've read [1] but it's
not clear that this functionality exists. In javascript it's possible using
String::NewExternal() [2].
"Creates a new external string using the ASCII data defined in the given
resource.
When the external string is no longer live on V8's heap the resource will be
disposed by calling its Dispose method. The caller of this function should not
otherwise delete or modify the resource. Neither should the underlying buffer be
deallocated or modified except through the destructor of the external string
resource."
[1] https://docs.python.org/2/c-api/buffer.html
[2]
http://izs.me/v8-docs/classv8_1_1String.html#a07c47bf675b802c550984fa24511a589
Does this help
http://jakevdp.github.io/blog/2014/05/05/introduction-to-the-python-buffer-protocol/
?
Also note that the Python 3 buffer protocol differs from that of Python
2, so make sure that you check out PEP 3118 that's referenced in the
above link.
--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.
Mark Lawrence
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