Re: [Jython-users] IPC

[Kevin B. <kb...@ca...>]

One more I forgot to mention, which may be suitable for your application:

If you are going to have one of your processes spawn the other, you can 
just use os.popen* (in CPython) or Java's Runtime.exec (in Jython until 
I or someone else implements popen* functions) to spawn the child 
process. The parent then reads from/writes to the returned file handles, 
and the child reads/writes stdin/stdout.

kb

Kevin Butler wrote:

> You have several options, ranging in rough order of difficulty:
>
> - Python-specific RPC technology (PYRO http://pyro.sourceforge.net/ or 
> DOPY http://www.users.cloud9.net/~proteus/dopy/)
>    I actually haven't used either, as I've needed cross language 
> interoperability, but I probably would use one of them if I were doing 
> all-Python RPC
>
> - Python-based CORBA solution (Fnorb or omniorb and possibly Java's 
> CORBA interfaces)
>
> - XML-based RPC technology (xmlrpc/soap) (haven't done much with these)
>
> - custom sockets (probably using pickles, maybe SimpleTCPServer or 
> BaseHTTPServer)
>
> - some other communication mechanism you dream up - write to a file, 
> database, etc.
>
> In spite of what RPC vendors would have you think, none of this is 
> very difficult, and unless you
> have significant stability or performance requirements, all should be 
> quite suitable.  I imagine that
> if PYRO or DOPY works for you, they will be significantly easier than 
> any of the others, but all
> the others are pretty similar in difficulty.
>
> IMO, YMMV, etc.
>
> kb
>
> Stephen Naicken wrote:
>
>> I have a system made up of two parts.  One in Jython and the other in
>> CPython.  The reason for this is that I could not find a Gnutella
>> library in CPython, but I could in Java.  Also I have been having
>> difficulties with BerkeleyDB Java bindings, so I decided to use 
>> CPython's bsddb.
>>
>> Anyway, I would like the jython and python processes to communicate with
>> each other.  I was think of IPC using scokets, but I'm not sure if this
>> is the best option.
>>
>> I'd be grateful for any advice on this as I have not done this sort of
>> thing before.  Alternatively if anyone knows of a good python gnutella
>> library (like Jtella), that would be an alternative solution.
>>
>> Thanks Again.
>>
>> Stephen
>>
>>
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