creating tar file and streaming it over HTTP?

[Steve Holden]

pbienst wrote:
> I would like to bundle up a number of files in a tar file and send it
> over a HTTP connection, but I would like to do this without creating
> the tar file on disk first.
> 
> I know I can get tarfile to output to a stream by doing something like
> 
> tar_pipe = tarfile.open(mode="w|", fileobj=my_file_obj)
> 
> However, I can't figure out which file object to use to send this over
> a HTTP connection.
> 
> I tried
> 
> conn = httplib.HTTPConnection(hostname, port)
> conn.putrequest("PUT", "/client/files")
> conn.endheaders()
> tar_pipe = tarfile.open(mode="w|", fileobj=conn.sock.makefile())
> for filename in filenames:
>     tar_pipe.add(filename)
> tar_pipe.close()
> conn.getresponse()
> 
> but that does not send any data...
> 
I haven't used socket.makefile() in a blue age so this is untested, but
I'm guessing you need a *write* file (remember, sockets have two
directions). So try

  .... fileobj=conn.sock.makefile("w")...

and let me know if that helps.

regards
 Steve

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