I am generating pages from some sensor data. Sometimes, if the sensors
glitch, instead of a number, there will be a 'NaN' in the number field.
Since I'm trying to keep my display logic separate, I'm doing things like
this:
${'%.0f' % ms2mph(lr.windSpeedAvg)}
in the template. Which is fine, until a value such as NaN comes along, and
then an exception is thrown. I have a couple of ideas, neither of which I
know how to do.
1. Overload the string formatting, and accept strings or None and
return 'N/A'. Is there anyway to overload that operation?
2. Create a formatting function. This I could do, but doing something like
this:
x = 1
'%.xf' % ms2mph(lr.windSpeedAvg)
doesn't produce the desired results. Any suggestions? I suppose I could do
an if/then tree since the we'd only be doing %.0f, %.1f, and %2f, basically.
Did I not google the right phrase? :)
j
--
Joshua Kugler
Lead System Admin -- Senior Programmer
http://www.eeinternet.com
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