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Re: [tor-bugs] #8605 [Stem]: Autodetect response type in ControlMessage.from_str()



#8605: Autodetect response type in ControlMessage.from_str()
----------------------------+-----------------------------------------------
    Reporter:  atagar       |       Owner:  atagar         
        Type:  enhancement  |      Status:  reopened       
    Priority:  normal       |   Milestone:                 
   Component:  Stem         |     Version:                 
  Resolution:               |    Keywords:  controller easy
      Parent:               |      Points:                 
Actualpoints:               |  
----------------------------+-----------------------------------------------

Comment(by atagar):

 > For the "synchronous" (non-650) responses, you will have exactly one
 outstanding request

 Yes, which is what the Controller does. It issues a GETINFO request then
 knows that the reply it gets should be parsed as such. The trouble here is
 that when txtorcon calls from_str() we *only* get the reply so we're
 missing that context.

 If you'd like then we can combine from_str() and convert() by adding an
 argument to from_str() for the type. That is to say, change from_str to...

 {{{
 def from_str(content, msg_type = None, **kwargs):
   msg = stem.socket.recv_message(StringIO.StringIO(content))

   if msg_type is not None:
     convert(msg_type, msg, **kwargs)

   return msg
 }}}

 Would this work for you? I'd rather not have stem attempt to infer the
 msg_type when undefined since that would lead to pretty confusing
 behaviour (for instance, why are PROTOCOLINFO responses automatically
 converted but not GETINFO?).

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8605#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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