[Python-3000] Revised PEP for buffer protocol

Josiah Carlson jcarlson at uci.edu
Wed Mar 21 00:16:25 CET 2007


Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
> 
> Nick Coghlan wrote:
> 
> > I think the point is for there to be something in the standard library 
> > or Python core that makes it easy for a consumer to *copy* the data to a 
> > contiguous memory segment in the event the consumer can't directly 
> > handle non-contiguous data
> 
> It would be even more useful if the destination could
> be non-contiguous as well, but with a different stride.
> Then you could go from contiguous to non-contiguous,
> non-contiguous to contiguous, or repack between two
> different non-contiguous formats.

With writable views, presumably that would be a[w:x] = b[y:z], for any
such operation (assuming compatible values, etc.).

 - Josiah



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