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def getscore(struct):
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    score = 0.0
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    weight_score = 0.0
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    thickness_score = 0.0
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    category = struct.get("category")
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    max_weight = 250
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    min_weight = 60
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    max_thickness = 20
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    min_thickness = 9
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    if category == "Tablets":
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        max_weight = 740
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        min_weight = 400
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        max_thickness = 13
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        min_thickness = 10
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    if struct.has_key("features") :
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        features = struct.get("features")
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        # Weight : >250-10, <=60-10, others linear
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        if features.has_key("Weight") :
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            weight = features.get("Weight")
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            if len(weight) > 0 :
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                weight = float(weight[0])
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                print "weight=" + `weight`
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                if weight == -1:
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                    weight = 90.0
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                if weight > max_weight :
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                    weight_score = 0
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                elif weight <= min_weight :
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                    weight_score = 10
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                else :
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                    weight_score = 10 - (weight - min_weight) / (max_weight - min_weight) * 10
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        # Size : Thickness <=10-4, <=12-3, <=14-2, >14-1
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        if features.has_key("Size") :
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            size = features.get("Size")
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            if len(size) > 2 :
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                thickness = float(size[2])
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                print "thickness=" + `thickness`
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                if thickness == -1 :
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                    thickness = 12.0
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                if thickness <= min_thickness :
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                    thickness_score = 10
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                elif thickness > max_thickness :
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                    thickness_score = 0
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                else :
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                    thickness_score = 10 - (thickness - min_thickness) / (max_thickness - min_thickness) * 10
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    score = (weight_score*50 + thickness_score*50)/100.0
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    return score