[Python-Dev] new buffer in python2.7 (original) (raw)
"Martin v. Löwis" martin at v.loewis.de
Mon Nov 1 07:22:14 CET 2010
- Previous message: [Python-Dev] new buffer in python2.7
- Next message: [Python-Dev] new buffer in python2.7
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
def readandunpack(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
- Previous message: [Python-Dev] new buffer in python2.7
- Next message: [Python-Dev] new buffer in python2.7
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]