Liametc

from itertools import chain, groupby


def group_frame_numbers(frame_range, range_char="-", step_char="x", sep=","):
    """
    Take a list of frame numbers and group them according to step.
    
    i.e [1, 4, 5, 6, 12, 15, 18, 22, 25, 29, 33] -> 1,4-6,12-18x3,22,25-33x4
    
    :param frame_numbers: A list[int] of frame numbers representing a frame range.

Liametc

from maya import OpenMaya

# create selection
sel = OpenMaya.MSelectionList()
sel.add("locator1")
sel.add("camera1")

# get dag paths
loc_dag = OpenMaya.MDagPath()
sel.getDagPath(0, loc_dag)

Liametc

import maya.api.OpenMaya as om
import maya.cmds
import time


def is_normal_reversed(poly, mesh):
    """
    Check the normal faces in or out of the model by doing a simple ray cast and
    count results. Evens face out, odds face in.