sending executable data over network..
Larry Bates
larry.bates at websafe.com`
Wed Jun 25 11:28:10 EDT 2008
Cédric Lucantis wrote:
> Le Tuesday 24 June 2008 08:59:40 Piyush Anonymous, vous avez écrit :
>> hi,
>> i wish to change the way the function definition at run time in a running
>> server. new function code which is to be executed is provided by a client
>> at different location.
>> i am getting it by reading a file and sending it using makefile() with
>> server/client connected using sockets.
>>
>> how can make the lines received in a string array as new function
>> definition? or should i receive it in a different way?
>>
>> is there any better way to do the entire thing?
>
> One way is to transmit the code as a string and compile it on server-side with
> the 'compile' builtin function. Another is to compile it on client-side and
> transmit the resulting code object with the marshal module but there are many
> restrictions on it (specially the fact that the client and server will have
> to run the same python version) so carefully read the docs first. I'd choose
> the first solution, eventually using the pickle module to avoid encoding
> problems.
>
You may want to take a look at Twisted Python Perspective Broker. I believe it
does what you are looking for.
-Larry
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