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Re: Send data to asyncio coroutine

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El sábado, 1 de agosto de 2015, 21:15:07 (UTC+2), Marko Rauhamaa  escribió:
> Javier <jcarmena@gmail.com>:
> 
> > My intention now is to use the asyncio.StreamReader passed as argument
> > to the asyncio.start_server callback to read objects serialized with
> > pickle. The problems are that pickle cant read from it (because dont
> > yield from the full stack) and that I don't know the exact length of
> > each serialized object, so I can't extract data manually.
> >
> > Knows anybody the steps to follow?
> 
> You probably need to frame your pickled encoding. A simple thing would
> be to use struct.pack/unpack to encode the length of the pickle encoding
> in front of the pickle encoding. When decoding, you first read out the
> length, then the pickle encoding, and finally you unpickle the payload.
> 
> 
> Marko


Great! it works! I could not find a way to send an integer with fixed length, struct.pack/unpack does the job perfectly.

Thanks!

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Send data to asyncio coroutine jcarmena@gmail.com - 2015-07-21 04:31 -0700
  Re: Send data to asyncio coroutine Ian Kelly <ian.g.kelly@gmail.com> - 2015-07-21 07:35 -0600
    Re: Send data to asyncio coroutine Javier <jcarmena@gmail.com> - 2015-07-28 14:17 -0700
      Re: Send data to asyncio coroutine Javier <jcarmena@gmail.com> - 2015-07-28 15:41 -0700
        Re: Send data to asyncio coroutine Ian Kelly <ian.g.kelly@gmail.com> - 2015-07-28 15:20 -0800
      Re: Send data to asyncio coroutine Ian Kelly <ian.g.kelly@gmail.com> - 2015-07-28 15:06 -0800
        Re: Send data to asyncio coroutine Rustom Mody <rustompmody@gmail.com> - 2015-07-28 19:52 -0700
        Re: Send data to asyncio coroutine Javier <jcarmena@gmail.com> - 2015-07-29 07:24 -0700
  Re: Send data to asyncio coroutine Javier <jcarmena@gmail.com> - 2015-08-01 09:07 -0700
    Re: Send data to asyncio coroutine Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-08-01 17:41 +0100
      Re: Send data to asyncio coroutine Javier <jcarmena@gmail.com> - 2015-08-01 11:22 -0700
        Re: Send data to asyncio coroutine Marko Rauhamaa <marko@pacujo.net> - 2015-08-01 21:38 +0300
          Re: Send data to asyncio coroutine Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-08-01 19:45 +0100
            Re: Send data to asyncio coroutine Javier <jcarmena@gmail.com> - 2015-08-01 12:07 -0700
              Re: Send data to asyncio coroutine Marko Rauhamaa <marko@pacujo.net> - 2015-08-01 22:14 +0300
                Re: Send data to asyncio coroutine Javier <jcarmena@gmail.com> - 2015-08-01 17:50 -0700
              Re: Send data to asyncio coroutine Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-08-01 20:33 +0100
              Re: Send data to asyncio coroutine Chris Angelico <rosuav@gmail.com> - 2015-08-02 09:28 +1000
            Re: Send data to asyncio coroutine Marko Rauhamaa <marko@pacujo.net> - 2015-08-01 22:09 +0300
              Re: Send data to asyncio coroutine Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-08-01 20:29 +0100
    Re: Send data to asyncio coroutine Marko Rauhamaa <marko@pacujo.net> - 2015-08-01 20:18 +0300
      Re: Send data to asyncio coroutine Javier <jcarmena@gmail.com> - 2015-08-01 10:50 -0700
        Re: Send data to asyncio coroutine Marko Rauhamaa <marko@pacujo.net> - 2015-08-01 21:33 +0300

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