alembic testing

at.py

import os
import pymel.core as pm

pm.loadPlugin('AbcExport.mll', quiet=True)
pm.loadPlugin('AbcImport.mll', quiet=True)

root = r'L:\ethel_and_ernest_0001\sequences\q060\q060c005\fx\cache'

driven = pm.PyNode('driven').members()
re_sim = []
for node in driven[:5]:
    f = os.path.join(root, node.name() + '.abc')
    if not os.path.exists(f):
        re_sim.append(driven.index(node))
        continue
    
    try:
        pm.system.createReference(f)
        pm.system.FileReference(f).remove()
    except:
        re_sim.append(driven.index(node))

print re_sim