Enable viewport2.0 with antialias on opening secen for Autodesk Maya.

auto_enable_vp2.py

from textwrap import dedent

from maya import OpenMaya as om
from maya import cmds
from maya import mel


def auto_enable_vp2(arg):
    force_vp2_cmd = dedent("""
        string $panels[] = `getPanel -type modelPanel`;

        for( $panel in $panels ) {

            string $currentPanel = `getPanel -withFocus`;
            string $panelType = `getPanel -to $panel`;

            setRendererInModelPanel "vp2Renderer" $panel;

        }

        setAttr "hardwareRenderingGlobals.lineAAEnable" 1;
        setAttr "hardwareRenderingGlobals.multiSampleEnable" 1;
    """)
    mel.eval(force_vp2_cmd)


om.MSceneMessage.addCallback(
    om.MSceneMessage.kAfterOpen,
    auto_enable_vp2
)