Best way to share a python list of objects

Magnus Lycka lycka at carmen.se
Tue Oct 11 16:56:21 CEST 2005


kyle.tk wrote:
> So I have a central list of python objects that I want to be able to
> share between different process that are possibly on different
> computers on the network. Some of the processes will add objects to
> list and another process will be a GUI that will view objects in the
> list. I want this all to happen in real-time (e.g once a processes adds
> an object to the list the GUI will see it.)
> 
> What would be the best way to accomplish this. Some of my ideas:
> - An XML file r/w-able by all processes
> - Send pickled objects between all processes and each keeps it own list
> locally
> - A ascii type protocol akin to ftp the hands out all the info to the
> processes
> 
> Any other ideas? What would work the best

Relational database are useful for sharing data in a controlled way.
A better option for arbirary Python objects might be ZODB with ZEO.

http://www.zope.org/Wikis/ZODB/FrontPage
http://www.zope.org/Wikis/ZODB/FrontPage/guide/index.html



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