Re-ocurring Events

Laurent Pointal laurent.pointal at
Thu Apr 26 16:32:30 CEST 2007

Daniel Nogradi a écrit :
>> A bit more of a complex one this time, and I thought I'd get your 
>> opinions
>> on the best way to achieve this. Basically I'm looking for a way to 
>> describe
>> a re-occurring event, like a calendar event or appointment I guess. I'm
>> likely to use an XML file for the definition of the events, but 
>> imagine I've
>> got an event that looks something like this.
>> <event start="2007-01-01 12:00:00" end="2007-01-01 15:00:00" 
>> repeat="daily"
>> />

May take a look at launchd (Apple) XML dialect, it may have at least the 
semantic for your need.

For other parts... elementtree, yes.

>> Now what I want to do is be able to build a class which has a function 
>> like
>> 'getCurrentEvent()' which will return any events that should be 
>> occurring at
>> that time. So if the current system time and date is 2007-01-03 13:00:00
>> then it will return THAT event to me, but if it was say 2007-01-03 
>> 16:00:00
>> then it would not, as the event isn't 'due' to occur at that time. Make
>> sense?
>> What's the best way of handling this? I'm really a little lost as to 
>> how I
>> might get started, checking a static date time isn't a problem, it's 
>> when it
>> comes to these re-occurring events that I struggle a little. The idea is
>> that I would have 5 core repetitions, none, daily, weekly, monthly and
>> annually.
> This will not solve all your problems, but a very convenient way of
> handling XML is the element tree module (that comes with python 2.5):
> HTH,
> Daniel

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