Ross Lagerwall <[email protected]> added the comment:
Attached is an updated patch that uses keyword arguments.
Using an offset with Linux was always supported although I have cleaned up the
documentation a bit to make that clearer.
E.g. the following script sends part of a file over a socket (shows using an
offset and None).
This requires listening with a socket on the same computer on port 8001 (e.g.
nc -l 8001).
import os
import socket
with open("/tmp/test", "wb") as fp:
fp.write(b"testdata\n" * 1000000)
cli = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
cli.connect(('localhost', 8010))
c = cli.fileno()
f = os.open("/tmp/test", os.O_RDONLY)
os.sendfile(c, f, 1, 7) # "estdata"
cli.send(b"\n\n")
os.sendfile(c, f, None, 4) # "test"
cli.send(b"\n\n")
os.sendfile(c, f, None, 4) # "data"
cli.send(b"\n\n")
----------
Added file: http://bugs.python.org/file20578/sendfile_v4.patch
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<http://bugs.python.org/issue10882>
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