boneNameFix.py

# [["name1", "name2"], ["name3", "name4"]]
def fixBones(boneArray):
  for anim in bpy.data.actions:
    for fc in anim.fcurves:
      d = fc.data_path
      if d.rpartition(".")[2] == "scale":
        anim.fcurves.remove(fc)
      else:
        for i in boneArray:
          o = str.format('"{}"', i[0])
          n = str.format('"{}"', i[1])
          if o in d:
            d = d.replace(o, n)
            fc.data_path = d
            if fc.group and i[0] in fc.group.name:
              fc.group.name = fc.group.name.replace(i[0], i[1])