[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/)