import maya.cmds as cmds

def connectTex(image,material,input):
    # if a file texture is already connected to this input, update it
    # otherwise, delete it
    conn = cmds.listConnections(material+'.'+input,type='file')
    if conn:
        # there is a file texture connected. replace it
        cmds.setAttr(conn[0]+'.fileTextureName',image,type='string')
    else:
        # no connected file texture, so make a new one
        newFile = cmds.shadingNode('file',asTexture=1)
        newPlacer = cmds.shadingNode('place2dTexture',asUtility=1)
        # make common connections between place2dTexture and file texture
        connections = ['rotateUV','offset','noiseUV','vertexCameraOne','vertexUvThree','vertexUvTwo','vertexUvOne','repeatUV','wrapV','wrapU','stagger','mirrorU','mirrorV','rotateFrame','translateFrame','coverage']
        cmds.connectAttr(newPlacer+'.outUV',newFile+'.uvCoord')
        cmds.connectAttr(newPlacer+'.outUvFilterSize',newFile+'.uvFilterSize')
        for i in connections:
            cmds.connectAttr(newPlacer+'.'+i,newFile+'.'+i)
        # now connect the file texture output to the material input
        cmds.connectAttr(newFile+'.outColor',material+'.'+input,f=1)
        # now set attributes on the file node.
        cmds.setAttr(newFile+'.fileTextureName',image,type='string')
        cmds.setAttr(newFile+'.filterType',0)

#grab all DX11Shaders
shaders = cmds.ls(type='dx11Shader')

#path to head vis map
LVmap = 'C:/Telltale/ArtData/Characters/Sk61/BatmanGM/Textures/sk_bm200sharedParts_headKit_Visibility.tga'


for i in shaders:

    #if the dx11shader has head in the name
    if 'head' in i:
        #build a dx11shader att string (material name + strange dx11 attr name for the head vis true/false value
		bULVString = (i + '.sMaterialStatic81a2c141682d2846_Value')
		#set the true false value to true
		cmds.setAttr(bULVString, 2)
		#string for the strange dx11shader attr for the texture channel of the line visibility
		LVchannel = 'sMaterialTexture87b579ec018fbd4d_texture'

		#run function to plug int he texture
		connectTex(LVmap, i, LVchannel)