David Pratt wrote:
(snip)
> Can someone advise a more efficient lookup when using lists of
> dictionaries. Many thanks.
>
>
> TEST_CONSTANTS = [
> {'color':'red', 'shape':'octagon'},
> {'color':'yellow', 'shape':'triangle'},
> {'color':'green', 'shape':'circle'}]
COLOR_INDEX = dict([(item['color'], item) for item in TEST_CONSTANT])
SHAPE_INDEX = dict([item['shape'], item) for item in TEST_CONSTANT])
def getShapeForColor(color):
return COLOR_INDEX.get(color, {'shape':None})['shape']
def getColorForShape(shape):
return SHAPE_INDEX.get(color, {'color': None})['color']
This of course assume that there are no duplicate colors nor shapes.
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bruno desthuilliers
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