Dan Sommers wrote:
> You could try the struct module. If your input comes in fixed sized
> chunks, just call struct.unpack and struct.pack once per chunk.
Thanks, but it was a bit awkward to use for big chunks.
I ended up writing my own byteswapper in Pyrex:
def swapbytes(data):
"Swap every two bytes of a even-sized python string, in place"
cdef int i
cdef char t, *p
p = data
for i from 0 <= i < len(data) / 2:
t = p[0]
p[0] = p[1]
p[1] = t
p = p + 2
Toby
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