scale joints

from pymel.core import *
import math
def getHiChild(jnt):# gets all children joints
    jnt = jnt
    jntHi = []
    catcher = 100
    while jnt:
        jntHi.append(jnt)
        jnt = listRelatives(jnt,c=1)
        if catcher == 0:
            print "breaking"
            break
        catcher -= 1
    return jntHi
def getHiPap(jnt):# gets all parent joint
    jntHi = []
    catcher = 100
    x = 1
    while jnt:
        if nodeType(jnt) != "joint":
            break
        if x:
            jntHi.append(jnt)
            x = 0
        else:
            jntHi.append(jnt[0])
        jnt = listRelatives(jnt,p=1)
        if catcher == 0:
            print "breaking"
            break
        catcher -= 1
    return jntHi
sl = selected()

for s in sl:
    shi = getHiPap(s)
    r = .1
    minS = .1
    maxS = 1
    range = len(shi)
    js = getAttr(shi[-1].radius)# joint size
    r = float(js)/float(range)
    x = 0
    for ss in shi:
        print x
        x += r
        setAttr(ss.radius, x)


    #norm = .1 +(x-A)*(10-1)/(B-A)
    #y = 1 + (x-A)*(10-1)/(B-A)
    """
    for ss in shi:

        #setAttr(ss.radius, r)
        normalized = (x-min(x))/(max(x)-min(x))
        r += .2
    """