Select object objects, closest to cursor

Lazy_selection.py

import maya.cmds as cmds
from pymel.core import *
from pymel.core.datatypes import *
import maya.OpenMaya as om
import maya.OpenMayaUI as omui

class SamsClass():
	ctx = cmds.currentCtx()
	cto = cmds.contextInfo(ctx,c=1)
	print cto
	def __init__(self):
		pass
	
	def contextPress(self, *args):
		maya3DViewHandle = omui.M3dView()
		activeView = maya3DViewHandle.active3dView()
		self.Context = 'Context'
		self.meshSelection = cmds.ls(g=1)
		if cmds.draggerContext( self.Context, ex=1 ):
			cmds.deleteUI( self.Context )
		cmds.draggerContext( self.Context, dragCommand=self.onDrag, releaseCommand=self.onRelease, name=self.Context, cursor='crossHair' )
		cmds.setToolTo( self.Context )
		self.xIn=[]
		self.yIn=[]
		self.nmIn=[]
		for mesh in self.meshSelection:
			mSel = om.MSelectionList()
			mSel.add( mesh )
			mObj = om.MObject()
			mSel.getDependNode(0,mObj)
			mFnDependNode = om.MFnDependencyNode(mObj)
			self.nmIn.append(mFnDependNode.name())
			XYZ = cmds.objectCenter(mFnDependNode.name(),gl=1)
			vertexMPoint = om.MPoint(XYZ[0],XYZ[1],XYZ[2])
			argX = om.MScriptUtil()
			argX.createFromInt(0)
			x = argX.asShortPtr()
			argY = om.MScriptUtil()
			argY.createFromInt(0)
			y = argY.asShortPtr()
			activeView.worldToView(vertexMPoint, x, y)
			xPos = om.MScriptUtil().getShort(x)
			yPos = om.MScriptUtil().getShort(y)
			self.xIn.append(xPos)
			self.yIn.append(yPos)
		
	def onDrag(self):
		self.Context = 'Context'
		vpX, vpY, _ = cmds.draggerContext( self.Context, q=1, dp=1 )
		dista=[]
		for x in range (0,(len(self.xIn))):
			dist = math.hypot(self.xIn[x] - vpX, self.yIn[x] - vpY)
			dista.append(dist)
		cmds.select(self.nmIn[dista.index(min(dista))],r=1)
		cmds.refresh()
		
	def onRelease(self):
		if(self.cto=='manipMove'):
			cmds.setToolTo('moveSuperContext')
		elif(self.cto=='manipRotate'):
			cmds.setToolTo('RotateSuperContext')
		elif(self.cto=='manipScale'):
			cmds.setToolTo('scaleSuperContext')
		elif(self.cto=='selectTool'):
			cmds.setToolTo('selectSuperContext')

a = SamsClass()
a.contextPress()