Open Maya
General
Admittedly, I have an inferior knowledge on this API. It is somewhat low level but nevertheless powerful than the other Python APIs.
You can check a general overview on the official documentation.
Another comprehensive getting started resource.
MDAG Path https://gist.github.com/taikomatsu/b0a9eb29b19e3c890d1a
https://www.programcreek.com/python/example/103924/maya.OpenMaya.MDagPath
1import maya.api.OpenMaya as om # API 2.0
2
3import maya.api.OpenMayaAnim as omanim
4import maya.api.OpenMayaRender as omrender
5
6import maya.OpenMaya as om # API 1.0. No reason to use except for legacy purposes
1from maya.api.OpenMaya import MVector, MMatrix, MPoint
2import maya.cmds as cmds
3
4def get_world_transform (obj):
5 return MMatrix ( cmds.xform( obj, q=True, matrix=True, ws=True ) )
6
7selected_object = (cmds.ls(sl=1,sn=True))[0]
8
9print ( get_world_transform( selected_object ) )