Robert Rawlins - Think Blue wrote:
>Hello Guys, > >I have two applications which I need to get talking and sharing an object, what s the best way to do this? Basically my >first application parses an XML document into a bunch of lists and tuples etc, and I need to access the data in these lists >and tuples from my second application. Is this possible? And whats the simplest method? > >This problem all evolves from a hack/work around Ive had to place together as I have been having problems with >sched, these two applications used to be a single one to start with but for some reason when scheduling tasks using the >sched module they wouldnt ever run when supposed too, so Id schedule it to run every 2 minutes and it would run >between 3 and 15 minutes :-s so I ripped it out into its own application and it now runs every 2 minutes exactly. > >I either need to fix my sched issues or the memory share, either way Im quite happy, just need to get it working >smoothly. > >Any ideas? > You have already split the thing, so I would: schedule the XML parser and make it do its stuff. then pickle the results using cPickle then from this first thing, either: write the pickles to temp files and start the second thing using eg os.system() or start the second thing and use a named pipe to pass the pickles over for unpickling and processing, or use one of the popens, or have a look at Pyro, or start the second thing as a thread and use a Queue.. of course this whole scheme will fall apart if the combined processing takes longer than the scheduling interval. HTH - Hendrik
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