On Fri, Oct 23, 2009 at 9:05 AM, John <jfabi...@yolo.com> wrote:
> I'm using python 2.5
>
> I have a long list of if, elif, else. I always thought it was very NOT
> pythonic. It's easy to read but not pretty.
>
> for fldType in fieldList:
> if "int" in fldType:
> fld = "I"
> elif "char" in fldType :
> fld = "C"
> elif "bool" in fldType :
> fld = "B" .....
> else:
> fld = '?'
>
>
> I have considered:
>
> mydict = {'int': 'I', 'char':'C', 'bool':'B'....}
> for fldType in fieldList:
> try:
> fld = mydict[fldType]
> except:
> fld = '?'
>
> I also considered some sort of lambda function as
>
> x = lambda fld: mydict[fldType]
>
> But could not determine how to account for the key exception. So I tried
>
> x = lambda fldType: mydict[fldType]
> if fldType in mydict:
> x(fldType)
> else:
> fld = '?'
>
>
> Any suggestions would be helpful and would help me learn.
>
> Johnf
>
>
>
>
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John,
Using a Dictionary is the best method to use here and you can use dict.get
in order to bypass the KeyError
EX:
myDict.get(fldType, None)
this will output the value from myDict if the key exists, if not it will
return None
Vince
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