def get_docs_to_commit(self):
        try:
            spec = {'synced': False}
            fields = {'_id': 0}
            cur = self.db.docs.find(spec, fields)
        except Exception as e:
            raise DatabaseException(e)
        return list(cur)
def write():
	try:
		p = round(weather.pressure(),2)
		c = light.light()
		print('{"light": '+str(c)+', "pressure": '+str(p)+' }')
	except KeyboardInterrupt:
		pass