Updates selected Maya joint's bind pose Credit to Ryan Porter (yantor3d)

UpdateJointBindPose.py

# Credit to Ryan Porter (yantor3d)

from maya import cmds

for jnt in cmds.ls(sl=True, type="joint"):
    matrixPlugs = cmds.listConnections(jnt + ".worldMatrix", type="skinCluster", p=True) or []
    
    for mp in matrixPlugs:
        bindPreMatrixPlug = mp.replace('matrix', 'bindPreMatrix')
        if cmds.listConnections(bindPreMatrixPlug, s=True, d=False):
            continue
            
        print cmds.listConnections(bindPreMatrixPlug, s=True)
        wim = cmds.getAttr(jnt + ".worldInverseMatrix")
        cmds.setAttr(bindPreMatrixPlug,  *wim, type="matrix")

cmds.skinCluster('skinCluster1', edit=True, recacheBindMatrices=True)