bones.py

from mu import Mu
import sys

def dump_skin(obj):
    smr = obj.skinned_mesh_renderer
    print(smr.materials);
    print(smr.bones)
    print(smr.center);
    print(smr.size);
    print(smr.quality);
    print(smr.updateWhenOffscreen);
    mesh = smr.mesh
    for b in mesh.boneWeights:
        print(b.indices, b.weights, sum(b.weights))

def check_obj(obj):
    if hasattr(obj, "skinned_mesh_renderer"):
        print("skin on ", obj.transform.name)
        dump_skin(obj)
    for o in obj.children:
        check_obj(o)

def find_skins(fname):
    mu = Mu()
    if not mu.read(fname):
        print("could not read: " + fname)
        raise
    check_obj(mu.obj)

for f in sys.argv[1:]:
    find_skins(f)