efficiently create and fill array.array from C code?

[Hrvoje Niksic]

Thomas Jollans <thomas at jollans.com> writes:

> 1. allocate a buffer of a certain size
> 2. fill it
> 3. return it as an array.

The fastest and more robust approach (I'm aware of) is to use the
array.array('typecode', [0]) * size idiom to efficiently preallocate the
array, and then to get hold of the pointer pointing into array data
using the buffer interface.

Please send a message to capi-sig at python.org, a SIG specializing in the
Python/C API, if you need more help with implementing this.