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Asked: 2026-06-05T11:37:27+00:00

In POSIX C we can use writev to write multiple arrays at once to

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In POSIX C we can use writev to write multiple arrays at once to a file descriptor. This is useful when you have to concatenate multiple buffers in order to form a single message to send through a socket (think of a HTTP header and body, for instance). This way I don’t need to call send twice, once for the header and once for the body (what prevent the messages to be split in different frames on the wire), nor I need to concatenate the buffers before sending.

My question is, is there a Python equivalent?

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1 Answer

  1. Editorial Team

    There is in the upcoming Python 3.3, now in alpha testing. See socket.sendmsg.

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