[Python-Dev] new buffer in python2.7
"Martin v. Löwis"
martin at v.loewis.de
Mon Nov 1 07:22:14 CET 2010
>> def read_and_unpack(stream, format):
>> data = stream.read(struct.calcsize(format))
>> return struct.unpack(format, data)
>>> Otherwise, I'm +1 on your suggestion, avoiding copying is a good
>> I believe my function also doesn't involve any unnecessary copies.
> You just moved your copying down one level into stream.read(). This
> magic function must be implemented by possibly concatenating
> several "socket.recv()" calls.
> This invariably involves data copying, either by "".join() or
Assuming there are multiple recv calls. For a typical struct, all data
will come out of the stream with a single recv. so no join will be
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