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78 naveen 1 
import math
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from math import sqrt, log
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def getscore(struct):
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    score = 0.0
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    builtin_score = 0.0
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    expansion_type_score = 0.0
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    expansion_capacity_score = 0.0
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    if struct.has_key("features") :
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        features = struct.get("features")
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        if features.has_key("Built-in") :
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            builtin = features.get("Built-in")
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            if len(builtin) > 0 :
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                builtin = float(builtin[0])
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                print "builtin=" + `builtin`
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                if builtin <= 1024:
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                    builtin_score = 0.0
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                elif builtin < 1024*128:
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                    builtin_score = 1.0
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                elif builtin >= 64*1024*1024 :
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                    builtin_score = 10.0
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                else :
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                    builtin_score = log(builtin/1024*64, 2)
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        # REVISIT
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        # Expansion Type : microSD-2, others-1
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        if features.has_key("Expansion type") :
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            expansion_type = features.get("Expansion type")
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            if len(expansion_type) > 0 :
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                expansion_type = expansion_type[0]
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                if expansion_type ==  "MicroSD card" :
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                    expansion_type_score = 10
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                else :
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                    expansion_type_score = 0.0
78 naveen 44 
        # Expansion Capacity : 2, 4, 8, 16, 32
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        if features.has_key("Expansion capacity") :
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            expansion_capacity = features.get("Expansion capacity")
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            if len(expansion_capacity) > 0 :
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                expansion_capacity = float(expansion_capacity[0])
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                print "expansion_capacity=" + `expansion_capacity`
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                if expansion_capacity < 2*1024*1024 :
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                    expansion_capacity_score = 0.0
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                elif expansion_capacity >= 32*1024*1024 :
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                    expansion_capacity_score = 10
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                else :
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                    expansion_capacity_score = (sqrt(32*1024*1024) - sqrt(expansion_capacity)) / (sqrt(32*1024*1024) - sqrt(2*1024)) * 10
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    print "builtin_score" + `builtin_score`
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    print "expansion_type_score" + `expansion_type_score`
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    print "expansion_capacity_score" + `expansion_capacity_score`
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    score = (50*builtin_score + 10*expansion_type_score + 40*expansion_capacity_score)/100
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    return score