Skin Weight Painting Tools for Maya

bm_paintTools.py

import maya.cmds as cmds
import maya.mel as mel


# bm_paintTools

# Intelligent tools for attribute painting
# optional values of op (operation) are absolute and smooth. Absolute replaces

def floodSelection(value=0, op="absolute"):
    if len(cmds.ls(sl=1)) == 0:
        return

    # if we're not currently in the paint skin weights tool context, get us into it
    if cmds.currentCtx() != "artAttrSkinContext":
        mel.eval("ArtPaintSkinWeightsTool;")

    # first get the current settings so that the user doesn't have to switch back
    currOp = cmds.artAttrSkinPaintCtx(cmds.currentCtx(), q=1, selectedattroper=1)
    currValue = cmds.artAttrSkinPaintCtx(cmds.currentCtx(), q=1, value=1)

    # flood the current selection to zero

    # first set our tool to the selected operation
    cmds.artAttrSkinPaintCtx(cmds.currentCtx(), e=1, selectedattroper=op)
    # change the tool value to the selected value
    cmds.artAttrSkinPaintCtx(cmds.currentCtx(), e=1, value=value)
    # flood the tool
    cmds.artAttrSkinPaintCtx(cmds.currentCtx(), e=1, clear=1)

    # set the tools back to the way you found them
    cmds.artAttrSkinPaintCtx(cmds.currentCtx(), e=1, selectedattroper=currOp)
    cmds.artAttrSkinPaintCtx(cmds.currentCtx(), e=1, value=currValue)


def selectionToVerts():
    # converts the selection to verticies and gets us into the paint skin weights tool
    mel.eval("ConvertSelectionToVertices;")
    if cmds.currentCtx() != "artAttrSkinContext":
        mel.eval("ArtPaintSkinWeightsTool;")

_/ _
thanks