def _get_params(self, _data, kwds):
    params = dict()
data = build_data(_data, kwds)
author = data.pop('author')
params['author_id'] = cache.get('username:%s' % author)
tags = (tag.strip() for tag in data.pop('tags').split(','))
topic_bundles = []
for topic_name in tags:
    bundle = Topic(self._client).get_bundle(name=topic_name)
topic_bundles.append(bundle)
params['topic_bundles'] = topic_bundles
desired_keys = self.get_property_keys()
data = extract(desired_keys, data)
params['entry_bundle'] = self.get_bundle(data)
return params
Is there a equivalent to commit in bulbs framework for neo4j