Fredrik Lundh schrieb: > Thomas Heller wrote: > >>>> Naturally I tried to call base64.encodestring(buffer(ctypes_instance)) >>>> and it worked, so that was my answer. > >> >>> does ctypes_instance implement the buffer API ? if it does, is the >>> buffer() call even necessary ? >> >> Yes, in both cases. > > are you sure? does it implement the bf_getreadbuffer slot? afaik, > afaicr, and from what I can tell by looking briefly at the sources, the > binascii.b2a_base64 function uses the the s# marker, and that argument > type accepts strings *and* read only buffers, right away. no extra crud > should be necessary.
Yes, for binascii.b2a_base64 you are right: bf_getreadbuffer is sufficient. For binascii.b2a_hex (for example), it is not sufficient. But that was not the question. What about the status of the buffer function? All the above functions accept a buffer object. Thomas _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com