Mia Material Converter v0.8

import maya.cmds as mc

sl = mc.ls(sl=1)
# Progress Bar for Range

selectionLenghth = len(sl)

x = 1001
window = mc.window(t="Progress Bar")
mc.columnLayout()
progressControl = mc.progressBar(maxValue=selectionLenghth, width=300)
mc.showWindow( window )
i = 0
promptBox = mc.promptDialog(t="Convert to Mia",message = 'Select material Type to convert', button = ("Lambert","phonge","blinn"))
mc.window(t="Convert to Mia")
for s in sl:

    progressInc = mc.progressBar(progressControl, edit=True, pr=i+1)
    # Create Blinn
    if promptBox == "blinn":
        matInColor = mc.connectionInfo('%s.color'%s,sfd=1)
        try:
            matInSpecColor = mc.listConnections('%s'%s,s=1)[-1]
        except:
            print "no spec Connectinos"
        try:
            matInBump = mc.listConnections('%s'%s,s=1)[-2]
        except:
            print "no spec Bump"
        try:
            matOutColor = mc.connectAttr(matInColor, '%s_mia.diffuse'%sl[i])
        except:
            print "no Color"
        try:
            matOutSpecColor = mc.connectAttr('%s.outAlpha'%matInSpecColor,'%s_mi  a.refl_gloss'%sl[i])
        except:
            print "cannont connect Spec"
        try:
            matOutBump = mc.connectAttr('%s.outNormal'%matInBump, '%s_mia.overall_bump'%sl[i])
        except:
            print "cannont connect Bump"
# Create Phong  and make connections
    elif promptBox == "phonge":
        nwMat = mc.shadingNode('mia_material_x_passes',asShader=1,n='{0}_mia'.format(s))
        try:
            matInColor = mc.connectionInfo('{0}.color'.format(s),sfd=1)
        except:
            print 'No Color',matInColor
        try:
            matInSpecColor = mc.listConnections('{0}.specularColor'.format(s))[0]
        except:
            print "No specualColor", matInSpecColor
        try:
            matInBump = mc.listConnections('{0}.normalCamera'.format(s))[0]
        except:
            print "No Bump"
# Create new Material and connect atributes
        try:
            matOutColor = mc.connectAttr(matInColor, '{0}_mia.diffuse'.format(s))
        except:
            print 'no Color'
        try:
            matOutSpecColor = mc.connectAttr('{0}.outAlpha'.format(matInSpecColor),'{0}_mia.refl_gloss'.format(s))
        except:
            print 'No spec to Connect'
        try:
            matOutBump = mc.connectAttr('%s.outNormal'%matInBump, '{0}_mia.overall_bump'.format(s))
        except:
            print ' No bump '
        i+=1

    else:
        print 'Not complete'