def getrefs(i, depth):
"""Get the i'th object in memory, return objects that reference it"""
import sys, gc, types
o = sys.getobjects(i)[-1]
for d in range(depth):
for ref in gc.get_referrers(o):
if type(ref) in (types.ListType, types.DictType,
types.InstanceType):
if type(ref) is types.DictType and ref.has_key('copyright'):
continue
o = ref
break
else:
print "Max depth ", d
return o
return o
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