bake some geometry from Grasshopper to Rhino using random colors for layers

ghBake.py

from Rhino.RhinoDoc import ActiveDoc as doc
from System.Drawing import Color
import random
import Rhino

def makeLayer(name):
    idx = doc.Layers.Find(name, True)
    if idx == -1:
        r = random.randint(0, 255)
        g = random.randint(0, 255)
        b = random.randint(0, 255)
        color = Color.FromArgb(r, g, b)
        idx = doc.Layers.Add(name, color)
    return idx

def layerAtts(name):
    atts = Rhino.DocObjects.ObjectAttributes()
    atts.LayerIndex = makeLayer(name)
    return atts

if layer and geometry and bake:
    atts = layerAtts(layer)
    for geom in geometry:
        doc.Objects.Add(geom, atts)