BigRoy

cls.__path__ = None
if cls.__module__ != '__main__': # if not local (in-memory)
    try:
        cls.__path__ = inspect.getfile(cls)
    except RuntimeError, e:
        print e

BigRoy

import maya.cmds as mc


def offsets_to_input(mesh):
    num_pts = mc.getAttr('{0}.pnts'.format(mesh), size=True)
    for i in range(num_pts):
        # Get the internal offset
        offset = mc.getAttr('{0}.pnts[{1}]'.format(mesh, i))[0]
        
        # Move the vertex position by the internal offset value (relative)

BigRoy

import maya.OpenMaya as om
import maya.cmds as mc
import uuid

def ensure_id(node):
    """Add a uuid attribute on the given node with a unique value.
    
    Skips nodes that already have the attribute, unless when used upon duplicating.
    
    Maya temporarily assigns the prefix '__PrenotatoPerDuplicare_' so we use that

BigRoy

import maya.OpenMaya as om
import maya.cmds as mc
import uuid

def get_name(node):
    """Get the long name from the MObject where appropriate"""
    if node.hasFn(om.MFn.kDagNode):
        return om.MFnDagNode(node).fullPathName()
    else:
        return om.MFnDependencyNode(node).name()

BigRoy

import maya.OpenMaya as om
import maya.cmds as mc

def callback(node, clientData):
    fnDep = om.MFnDependencyNode(node)
    node_name = fnDep.name()
    print node_name
    
if __name__ == '__main__':
    # Delete previous run (testing only)

BigRoy

import maya.OpenMaya as om
import maya.cmds as mc
import uuid

def get_name(node):
    """Get the long name from the MObject where appropriate"""
    if node.hasFn(om.MFn.kDagNode):
        return om.MFnDagNode(node).fullPathName()
    else:
        return om.MFnDependencyNode(node).name()

BigRoy

"""
  maya.cmds.listHistory() will always include the node itself when history is returned.
  Here we're testing whether it's always the first node returned, if not a RuntimeError is raised.
  
  We're also checking whether all nodes in the scene will return a valid history list, which isn't True.
  The 'defaultColorMgtGlobals' node returns None instead of an empty list.
"""

from maya import cmds