list of functions question

[val at vtek.com]

John Machin wrote:
> On 27/04/2006 10:38 AM, val bykoski wrote:
> > Hi The List:
> >   I have a modeling app where i'm detecting events (in temporal
> > dynamics) applying a set of (boolean) functions - kind of:
> >
> > event_list = "f1 f2 etc".split()  # each fi detects a specific event
> > i have defs for functions fi, or simple boolean expressions for each, so
> > that evList is a list of defs or boolean expressions
> > for ev in evList:
> >    if ev:    # this supposedly is a call ev(t)
> >       # doing smth with the event
> >
> >    I didn't succeed, though, (blindly) trying various options.
> > I thought/tried "apply()" but couldn't get it work.
> > I'd appreciate pointers to how to handle this kind of
> > functions or events lists (or objects?) and how to call those
> > functions in a loop.
> >    thanks,val
>
> This may be something like what you are trying to achieve:
>
> # untested
> def fx(arg):
>      pass
> def fy(arg):
>      pass
> def fdefault(arg):
>      pass
>
> funcmap = {
>     'x1': fx,
>     'x2': fx,
>     'y' : fy,
> }
>
> eventlist = "y x2 x2 x1 y".split()
> for ev in eventlist:
>      efunc = funcmap.get(ev, fdefault)
>      if efunc(t): # what is t????
>          # do something

John,
Thanks alot.  It does work with the fx, fy,etc as (boolean)
expressions.
And it is faster vs. using defs.
Thanks again, the great list...
Val