>> 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 >>> thing. >> >> 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 > stringio.write()
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 necessary. Regards, Martin _______________________________________________ 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
