Thanks for getting back to me Laurent. I've now made some pretty tidy progress on this and -think- it's going to shape up nicely, I'm just working on converting my date strings from the XML into a date_struct and we should be good to go.
I'll keep you all posted. Rob -----Original Message----- From: Laurent Pointal [mailto:[EMAIL PROTECTED] Sent: 27 April 2007 09:49 To: Robert Rawlins - Think Blue Subject: Re: Re-ocurring Events Robert Rawlins - Think Blue a écrit : > Thank you guys for your suggestions. > > I've been having a look at that launchd stuff from apple but couldnt really > see how that applies to my requirements. I was not thinking about launchd itself, but about its XML configuration files which manage timed events, as you need. > I've been putting some serious thought into how this should work as its > essentially the final part of the puzzle for my application, I'll have a > fully working model for my application. > > I've been thinking about the possibility of using a combination of xpath to > search the XML with some loops which change the date. As events won't ever > be set to start before 01-01-2007 I can set that as the ceiling for my loop. > So when I'm searching for weekly events, I 'simply' take today's date and > time and loop from now until 01-01-2007 decrementing the date by a week each > iteration of the loop and then search the XML for events in that date, make > sense? > > I know that's a fairly intensive way of doing it, but if it works it works. > > Now, the loop is where I'm really struggling, I've not done any looping with > dates, can anyone give me a hand with this? How can I loop back in time from > now to beginning of 07 a week at a time? Do we have some form of dateAdd() I > can use with a while loop? Perhaps. See datetime module, eventually third party mxDatetime. > Date = (now) > While date > 2007-01-01: > Date = dateAdd(date, -1, w) > > Something to that effect? Then I can quickly xpath for every iteration of > the loop. A+ Laurent. -- Laurent POINTAL CNRS-LIMSI dépt. CHM, groupes AMI et PS Courriel: [EMAIL PROTECTED] (prof) [EMAIL PROTECTED] (perso) Ouebe: http://www.limsi.fr/Individu/pointal/ Tél. 01 69 85 81 06 (prof) Fax. 01 69 85 80 88 -- http://mail.python.org/mailman/listinfo/python-list
