# Error: line 1: TypeError: file D:/Libraries/My Documents/maya/scriptstoolboxShapes.py line 332: an integer is required #

import maya.cmds as cmds
import Attributor as attr #custom package to interact with nodes
import maya.api.OpenMaya as om
import maya.api.OpenMayaAnim as omAnim

class skinCluster(attr.node):
    outputGeometry = attr.connection("outputGeometry")

    def getInfl_IDs(self,dagObj=False,pathFirst=False):
        infDags = self.skinFn.influenceObjects()
        infIds = {}
        for x in xrange(len(infDags)):
            infPath = attr.joint(nodeName=infDags[x].fullPathName()) if dagObj else infDags[x].fullPathName()
            infId = int(self.skinFn.indexForInfluenceObject(infDags[x]))
            if pathFirst:
                infIds[infPath] = infId
            else:
                infIds[infId] = infPath
        return dict(infIds)
        # Returns something like {0:"joint1",1:"joint2"}
        # useful for figuring out what list indexes to edit with weight tools

    def __init__(self, nodeName=None, tracker=None, vertices=None, shapeNode=None):
        if not nodeName and vertices:
            nodeName = polygonShape(nodeName=vertices[0]).inMesh["in"][0]
        self.initialize(nodeName=nodeName, tracker=tracker)
        self.polygon = polygon(nodeName=self.outputGeometry["out"][0])
        self.shapeNode = shapeNode if shapeNode else polygonShape(nodeName=self.polygon.shapeNodes[0].path)
        self.skinFn = omAnim.MFnSkinCluster(self.tracker.obj)
        self.vertexComp = om.MFnSingleIndexedComponent().create(om.MFn.kMeshVertComponent)

    def getWeights(self, vertices=None):
        vertWeights = self.skinFn.getWeights(self.polygon.tracker.dag, self.vertexComp)
        weights = list(vertWeights[-2])
        infCount = vertWeights[-1]
        weights = [weights[x:x+infCount] for x in range(0,len(weights),infCount)]
        dicty = {}
        for i, weight in enumerate(weights):
            if not vertices or i in vertices:
                dicty.update({i:weight})
        return dicty
        # returns a vert weight list
        # {0:[0.1, 0.2, 0.3, 0.4], 1:[etc..]}

    def setWeights(self,values=None,normalize=True):
        vertices = values.keys() #gets all the verts that are going to be edited
        oldWeights = self.getWeights(vertices) #gets vert weights for undo
        oldValues = []
        newValues = []
        influences = self.getInfl_IDs().keys() # gets the influence indices
        for vert in vertices:
            oldValues += oldWeights[vert]   # combine weights into a list
            newValues += values[vert]  # combines the new weights to a list
        self.skinFn.setWeights(self.polygon.tracker.dag, self.vertexComp,
                               om.MIntArray(influences), om.MDoubleArray(newValues),
                               normalize=normalize, oldValues=om.MDoubleArray(oldValues))

<type 'OpenMaya.MDagPath'>
<type 'OpenMaya.MObject'>
<type 'OpenMaya.MIntArray'>
<type 'OpenMaya.MDoubleArray'>
<type 'bool'>
<type 'OpenMaya.MDoubleArray'>