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Showing content from https://mail.python.org/pipermail/python-dev/2002-July/026541.html below:

[Python-Dev] Fw: Behavior of buffer()

[Python-Dev] Fw: Behavior of buffer() [Python-Dev] Fw: Behavior of buffer()Guido van Rossum guido@python.org
Mon, 15 Jul 2002 11:34:50 -0400
> We have a very small extension function which creates writeable buffer 
> objects using the buffer type C-API.  

That's how the buffer API was supposed to be used.

> We also wrap suitable type instances with a "buffer object wrapper". 
>  I'm slowly gathering that this is unsafe.   :-(

I don't understand what you say, but I believe you.

> >Maybe instead of the buffer() function/type, there should be a way to
> >allocate raw memory?

> Yes.    It would also be nice to be able to:
> 
> 1.  Know (at the python level) that a type supports the buffer C-API.

Good idea.  (I guess right now you can see if calling buffer() with an
instance as argument works. :-)

> 2.  Copy bytes from one buffer to another (writeable buffer).  

Maybe you would like to work on a requirements gathering for a memory
object?

--Guido van Rossum (home page: http://www.python.org/~guido/)




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