def _decode_scope(obj):
"""Decodes a termset from a dictionary.
"""
instance = Scope()
instance.collections = [_decode_collection(i) if isinstance(i, dict) else i
for i in obj['collections']]
instance.description = obj['description']
instance.idx = obj['idx']
instance.label = obj['label']
instance.name = obj['name']
instance.uid = uuid.UUID(unicode(obj['uid']))
instance.url = obj['url']
# Wire hierarchy.
for collection in instance:
if isinstance(collection, Collection):
collection.scope = instance
return instance
