[Python-Dev] The buffer() function (original) (raw)
Thomas Heller theller at python.net
Thu Jul 13 19:38:28 CEST 2006
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Fredrik Lundh schrieb:
Thomas Heller wrote:
Naturally I tried to call base64.encodestring(buffer(ctypesinstance)) and it worked, so that was my answer. >> does ctypesinstance implement the buffer API ? if it does, is the buffer() call even necessary ? Yes, in both cases. are you sure? does it implement the bfgetreadbuffer slot? afaik, afaicr, and from what I can tell by looking briefly at the sources, the binascii.b2abase64 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
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