def numBits(n):
        if n==0:
            return 0
        s = "%x" % n
        return ((len(s)-1)*4) + \
        {'0':0, '1':1, '2':2, '3':2,
         '4':3, '5':3, '6':3, '7':3,
         '8':4, '9':4, 'a':4, 'b':4,
         'c':4, 'd':4, 'e':4, 'f':4,
         }[s[0]]
        return int(math.floor(math.log(n, 2))+1)
dataset/ETHPy150Open CollabQ/CollabQ/vendor/gdata/tlslite/utils/compat.py/numBits/original